diff --git a/apps/cs/app/(with-base-layout)/groups/page.tsx b/apps/cs/app/(with-base-layout)/groups/page.tsx
new file mode 100644
index 000000000..8491e59bb
--- /dev/null
+++ b/apps/cs/app/(with-base-layout)/groups/page.tsx
@@ -0,0 +1,2 @@
+import { GroupsPage } from "@/pages/groups";
+export default GroupsPage;
diff --git a/apps/cs/src/entities/menu-authority/api/menu-authority-service.ts b/apps/cs/src/entities/menu-authority/api/menu-authority-service.ts
index 14988eee0..ec07d88ad 100644
--- a/apps/cs/src/entities/menu-authority/api/menu-authority-service.ts
+++ b/apps/cs/src/entities/menu-authority/api/menu-authority-service.ts
@@ -35,6 +35,16 @@ export class MenuAuthorityApiService implements MenuAuthorityService {
     );
     return response.data;
   }
+
+  public async getGroupMenuAuthorityList(
+    params: MenuAuthorityParams,
+  ): Promise<MenuAuthorityList> {
+    const response = await client.get<MenuAuthorityList>(
+      `${ENDPOINT.CMS_SERVICE.MENU_AUTHRTS}/group`,
+      { params },
+    );
+    return response.data;
+  }
 }
 
 export const MenuAuthorityApi = new MenuAuthorityApiService();
diff --git a/apps/cs/src/entities/menu-authority/index.ts b/apps/cs/src/entities/menu-authority/index.ts
index 2a555b77e..5a1b11606 100644
--- a/apps/cs/src/entities/menu-authority/index.ts
+++ b/apps/cs/src/entities/menu-authority/index.ts
@@ -1,2 +1,9 @@
+export { MenuAuthorityApi } from "./api/menu-authority-service";
+export {
+  menuAuthorityFormSchema,
+  type MenuAuthority,
+  type MenuAuthorityPayload,
+  type MenuAuthorityFormData,
+} from "./model/menu-authority-interface";
 export { AuthorityButton } from "./ui/authority-button";
 export { ManagementAuthorityDialog } from "./ui/management-authority-dialog";
diff --git a/apps/cs/src/entities/menu-authority/model/menu-authority-interface.ts b/apps/cs/src/entities/menu-authority/model/menu-authority-interface.ts
index b59574c2f..7f5401872 100644
--- a/apps/cs/src/entities/menu-authority/model/menu-authority-interface.ts
+++ b/apps/cs/src/entities/menu-authority/model/menu-authority-interface.ts
@@ -43,6 +43,9 @@ export type MenuAuthorityFormData = z.infer<typeof menuAuthorityFormSchema>;
 
 export interface MenuAuthorityService {
   getMenuAuthorityList(params: MenuAuthorityParams): Promise<MenuAuthorityList>;
+  getGroupMenuAuthorityList(
+    params: MenuAuthorityParams,
+  ): Promise<MenuAuthorityList>;
   getPageMenuAuthority(menuCd: number): Promise<PageMenuAuthority[]>;
   saveMenuAuthority(data: MenuAuthorityPayload[]): Promise<void>;
 }
diff --git a/apps/cs/src/pages/role/api/role-service.ts b/apps/cs/src/entities/role/api/role-service.ts
similarity index 95%
rename from apps/cs/src/pages/role/api/role-service.ts
rename to apps/cs/src/entities/role/api/role-service.ts
index d2db7e5bc..95aac330f 100644
--- a/apps/cs/src/pages/role/api/role-service.ts
+++ b/apps/cs/src/entities/role/api/role-service.ts
@@ -9,7 +9,7 @@ import type {
 } from "../model/role-interface";
 
 export class RoleApiService implements RoleService {
-  public async getRoles(params: RoleParams): Promise<RoleList> {
+  public async getRoles(params?: RoleParams): Promise<RoleList> {
     const response = await client.get<RoleList>(ENDPOINT.USER_SERVICE.ROLES, {
       params,
     });
diff --git a/apps/cs/src/entities/role/index.ts b/apps/cs/src/entities/role/index.ts
new file mode 100644
index 000000000..28fe5f7fb
--- /dev/null
+++ b/apps/cs/src/entities/role/index.ts
@@ -0,0 +1,8 @@
+export { RoleApi } from "./api/role-service";
+export {
+  roleFormSchema,
+  type Role,
+  type RoleParams,
+  type RoleFormData,
+  type RoleList,
+} from "./model/role-interface";
diff --git a/apps/cs/src/pages/role/model/role-interface.ts b/apps/cs/src/entities/role/model/role-interface.ts
similarity index 94%
rename from apps/cs/src/pages/role/model/role-interface.ts
rename to apps/cs/src/entities/role/model/role-interface.ts
index 1b9b8eea2..065d89259 100644
--- a/apps/cs/src/pages/role/model/role-interface.ts
+++ b/apps/cs/src/entities/role/model/role-interface.ts
@@ -28,7 +28,7 @@ export type RoleList = PageableList<Role>;
 export type RoleFormData = z.infer<typeof roleFormSchema>;
 
 export interface RoleService {
-  getRoles: (params: RoleParams) => Promise<RoleList>;
+  getRoles: (params?: RoleParams) => Promise<RoleList>;
   getRoleInfo: (roleId: string) => Promise<Role>;
   createRole: (data: RoleFormData) => Promise<void>;
   updateRole: (roleId: string, data: RoleFormData) => Promise<void>;
diff --git a/apps/cs/src/entities/site/ui/site-select.tsx b/apps/cs/src/entities/site/ui/site-select.tsx
index 6c5a0d005..3d56a5658 100644
--- a/apps/cs/src/entities/site/ui/site-select.tsx
+++ b/apps/cs/src/entities/site/ui/site-select.tsx
@@ -1,5 +1,6 @@
 import { useQuery } from "@tanstack/react-query";
 import {
+  cn,
   Select,
   SelectContent,
   SelectItem,
@@ -12,12 +13,14 @@ import { SiteApi } from "../api/site-service";
 type SiteSelectProps = {
   placeholder?: string;
   enabledAllSite?: boolean;
+  className?: string;
 } & React.ComponentPropsWithoutRef<typeof Select>;
 
 function SiteSelect({
   defaultValue,
   placeholder = "선택",
   enabledAllSite,
+  className,
   ...props
 }: SiteSelectProps) {
   const { data: sites } = useQuery({
@@ -36,7 +39,7 @@ function SiteSelect({
 
   return (
     <Select {...props}>
-      <SelectTrigger className="w-[12rem]">
+      <SelectTrigger className={cn("w-[12rem]", className)}>
         <SelectValue placeholder={defaultValueText} />
       </SelectTrigger>
       <SelectContent>
diff --git a/apps/cs/src/pages/groups/api/group-users-service.ts b/apps/cs/src/pages/groups/api/group-users-service.ts
index 69a81e366..2a11038e6 100644
--- a/apps/cs/src/pages/groups/api/group-users-service.ts
+++ b/apps/cs/src/pages/groups/api/group-users-service.ts
@@ -58,12 +58,14 @@ export class GroupUsersApiService implements GroupUserService {
 
   // 그룹 사용자 삭제
   public async deleteGroupUser(
-    grpSn: number,
+    groupId: string,
     userUnqId: string,
   ): Promise<boolean> {
     const response = await client.delete<boolean>(
-      `${ENDPOINT.CMS_SERVICE.GROUP_USERS}/${grpSn}/${userUnqId}`,
+      `${ENDPOINT.CMS_SERVICE.GROUP_USERS}/${groupId}/${userUnqId}`,
     );
     return response.data;
   }
 }
+
+export const GroupUsersApi = new GroupUsersApiService();
diff --git a/apps/cs/src/pages/groups/api/groups-service.ts b/apps/cs/src/pages/groups/api/groups-service.ts
index 2b570c3cb..1cc06e914 100644
--- a/apps/cs/src/pages/groups/api/groups-service.ts
+++ b/apps/cs/src/pages/groups/api/groups-service.ts
@@ -5,8 +5,7 @@ import type {
   GroupSearchParams,
   GroupList,
   GroupDetailResponse,
-  GroupSaveData,
-  GroupUpdateData,
+  GroupFormData,
 } from "../model/groups-interface";
 
 export class GroupsApiService implements GroupService {
@@ -20,15 +19,15 @@ export class GroupsApiService implements GroupService {
   }
 
   // 그룹 단건 조회
-  public async findById(id: number): Promise<GroupDetailResponse> {
+  public async findById(groupId: string): Promise<GroupDetailResponse> {
     const response = await client.get<GroupDetailResponse>(
-      `${ENDPOINT.CMS_SERVICE.GROUPS}/${id}`,
+      `${ENDPOINT.CMS_SERVICE.GROUPS}/${groupId}`,
     );
     return response.data;
   }
 
   // 그룹 저장
-  public async saveGroup(data: GroupSaveData): Promise<GroupDetailResponse> {
+  public async saveGroup(data: GroupFormData): Promise<GroupDetailResponse> {
     const response = await client.post<GroupDetailResponse>(
       `${ENDPOINT.CMS_SERVICE.GROUPS}`,
       data,
@@ -38,21 +37,23 @@ export class GroupsApiService implements GroupService {
 
   // 그룹 수정
   public async updateGroup(
-    id: number,
-    data: GroupUpdateData,
+    groupId: string,
+    data: GroupFormData,
   ): Promise<GroupDetailResponse> {
     const response = await client.put<GroupDetailResponse>(
-      `${ENDPOINT.CMS_SERVICE.GROUPS}/${id}`,
+      `${ENDPOINT.CMS_SERVICE.GROUPS}/${groupId}`,
       data,
     );
     return response.data;
   }
 
   // 그룹 삭제
-  public async deleteGroup(id: number): Promise<boolean> {
+  public async deleteGroup(groupId: string): Promise<boolean> {
     const response = await client.delete<boolean>(
-      `${ENDPOINT.CMS_SERVICE.GROUPS}/${id}`,
+      `${ENDPOINT.CMS_SERVICE.GROUPS}/${groupId}`,
     );
     return response.data;
   }
 }
+
+export const GroupsApi = new GroupsApiService();
diff --git a/apps/cs/src/pages/groups/api/index.ts b/apps/cs/src/pages/groups/api/index.ts
deleted file mode 100644
index 3d10f342e..000000000
--- a/apps/cs/src/pages/groups/api/index.ts
+++ /dev/null
@@ -1,2 +0,0 @@
-export * from "./groups-service";
-export * from "./group-users-service";
diff --git a/apps/cs/src/pages/groups/index.ts b/apps/cs/src/pages/groups/index.ts
new file mode 100644
index 000000000..269abb44a
--- /dev/null
+++ b/apps/cs/src/pages/groups/index.ts
@@ -0,0 +1 @@
+export { GroupsPage } from "./ui/groups-page";
diff --git a/apps/cs/src/pages/groups/model/group-menu-authority-table-columns.tsx b/apps/cs/src/pages/groups/model/group-menu-authority-table-columns.tsx
new file mode 100644
index 000000000..0a56a6701
--- /dev/null
+++ b/apps/cs/src/pages/groups/model/group-menu-authority-table-columns.tsx
@@ -0,0 +1,117 @@
+import type { ColumnDef } from "@tanstack/react-table";
+import type { UseFormReturn } from "react-hook-form";
+import { Checkbox } from "@common/components";
+import type {
+  MenuAuthority,
+  MenuAuthorityPayload,
+  MenuAuthorityFormData,
+} from "@/entities/menu-authority";
+
+export const createColumns = (
+  form: UseFormReturn<MenuAuthorityFormData>,
+): ColumnDef<MenuAuthority>[] => {
+  const getCurrentRow = (i: number) => form.watch("menuAuthority")[i];
+
+  const handleCheckedChange =
+    (i: number, key: keyof MenuAuthorityPayload) => (checked: boolean) => {
+      if (getCurrentRow(i)?.mode === "R") {
+        form.setValue(`menuAuthority.${i}.mode`, "U");
+      }
+      form.setValue(`menuAuthority.${i}.${key}`, checked ? "Y" : "N");
+    };
+
+  return [
+    {
+      accessorKey: "menuNm",
+      header: "메뉴명",
+    },
+    {
+      accessorKey: "mngAuthrtYn",
+      header: "관리권한",
+      cell: ({ row }) => {
+        return (
+          <Checkbox
+            checked={getCurrentRow(row.index)?.mngAuthrtYn === "Y"}
+            onCheckedChange={(checked) => {
+              if (checked) {
+                handleCheckedChange(
+                  row.index,
+                  "regAuthrtYn",
+                )(checked as boolean);
+                handleCheckedChange(
+                  row.index,
+                  "mdfcnAuthrtYn",
+                )(checked as boolean);
+                handleCheckedChange(
+                  row.index,
+                  "delAuthrtYn",
+                )(checked as boolean);
+                handleCheckedChange(
+                  row.index,
+                  "inqAuthrtYn",
+                )(checked as boolean);
+              }
+              handleCheckedChange(row.index, "mngAuthrtYn")(checked as boolean);
+            }}
+          />
+        );
+      },
+    },
+    {
+      accessorKey: "regAuthrtYn",
+      header: "등록권한",
+      cell: ({ row }) => {
+        return (
+          <Checkbox
+            checked={getCurrentRow(row.index)?.regAuthrtYn === "Y"}
+            onCheckedChange={(checked) => {
+              if (checked) {
+                handleCheckedChange(
+                  row.index,
+                  "inqAuthrtYn",
+                )(checked as boolean);
+              }
+              handleCheckedChange(row.index, "regAuthrtYn")(checked as boolean);
+            }}
+          />
+        );
+      },
+    },
+    {
+      accessorKey: "mdfcnAuthrtYn",
+      header: "수정권한 ",
+      cell: ({ row }) => {
+        return (
+          <Checkbox
+            checked={getCurrentRow(row.index)?.mdfcnAuthrtYn === "Y"}
+            onCheckedChange={handleCheckedChange(row.index, "mdfcnAuthrtYn")}
+          />
+        );
+      },
+    },
+    {
+      accessorKey: "delAuthrtYn",
+      header: "삭제권한",
+      cell: ({ row }) => {
+        return (
+          <Checkbox
+            checked={getCurrentRow(row.index)?.delAuthrtYn === "Y"}
+            onCheckedChange={handleCheckedChange(row.index, "delAuthrtYn")}
+          />
+        );
+      },
+    },
+    {
+      accessorKey: "inqAuthrtYn",
+      header: "조회권한",
+      cell: ({ row }) => {
+        return (
+          <Checkbox
+            checked={getCurrentRow(row.index)?.inqAuthrtYn === "Y"}
+            onCheckedChange={handleCheckedChange(row.index, "inqAuthrtYn")}
+          />
+        );
+      },
+    },
+  ];
+};
diff --git a/apps/cs/src/pages/groups/model/group-users-interface.ts b/apps/cs/src/pages/groups/model/group-users-interface.ts
index e26f1fa09..1587522a8 100644
--- a/apps/cs/src/pages/groups/model/group-users-interface.ts
+++ b/apps/cs/src/pages/groups/model/group-users-interface.ts
@@ -1,11 +1,8 @@
+import type { PageableParams } from "@/shared/model";
+
 // 그룹 사용자 검색 파라미터 인터페이스
-export interface GroupUserSearchParams {
-  page?: number;
-  size?: number;
-  sort?: string;
-  grpSn?: number;
-  userId?: string;
-  userName?: string;
+export interface GroupUserSearchParams extends PageableParams {
+  keyword?: string;
 }
 
 // 그룹 사용자 목록 응답 인터페이스
@@ -103,5 +100,5 @@ export interface GroupUserService {
   ) => Promise<GroupUserDetailResponse>;
 
   // 그룹 사용자 삭제
-  deleteGroupUser: (grpSn: number, userUnqId: string) => Promise<boolean>;
+  deleteGroupUser: (groupId: string, userUnqId: string) => Promise<boolean>;
 }
diff --git a/apps/cs/src/pages/groups/model/group-users-table-columns.tsx b/apps/cs/src/pages/groups/model/group-users-table-columns.tsx
new file mode 100644
index 000000000..1f36b9867
--- /dev/null
+++ b/apps/cs/src/pages/groups/model/group-users-table-columns.tsx
@@ -0,0 +1,57 @@
+import { Checkbox } from "@common/components";
+import { type Table, type Row, type ColumnDef } from "@tanstack/react-table";
+import { type GroupUserListResponseDto } from "./group-users-interface";
+
+export const columns: ColumnDef<GroupUserListResponseDto>[] = [
+  {
+    id: "select",
+    header: ({ table }: { table: Table<GroupUserListResponseDto> }) => (
+      <Checkbox
+        checked={
+          table.getIsAllPageRowsSelected() ||
+          (table.getIsSomePageRowsSelected() && "indeterminate")
+        }
+        onCheckedChange={(value) => table.toggleAllPageRowsSelected(!!value)}
+        aria-label="전체 선택"
+      />
+    ),
+    cell: ({ row }: { row: Row<GroupUserListResponseDto> }) => (
+      <Checkbox
+        checked={row.getIsSelected()}
+        onCheckedChange={(value) => row.toggleSelected(!!value)}
+        aria-label="행 선택"
+      />
+    ),
+    enableSorting: false,
+    enableHiding: false,
+  },
+  {
+    accessorKey: "groupId",
+    header: "사용자ID",
+  },
+  {
+    accessorKey: "userName",
+    header: "이름",
+  },
+  {
+    accessorKey: "ogdpSeNm",
+    header: "소속",
+  },
+  {
+    accessorKey: "mphn",
+    header: "연락처",
+    cell: ({ row }) => {
+      const phone = row.getValue("mphn") as string;
+      if (!phone) return "";
+
+      const numbers = phone.replace(/\D/g, "");
+      if (numbers.length === 10) {
+        return `${numbers.slice(0, 3)}-${numbers.slice(3, 6)}-${numbers.slice(6)}`;
+      } else if (numbers.length === 11) {
+        return `${numbers.slice(0, 3)}-${numbers.slice(3, 7)}-${numbers.slice(7)}`;
+      } else {
+        return phone;
+      }
+    },
+  },
+];
diff --git a/apps/cs/src/pages/groups/model/groups-interface.ts b/apps/cs/src/pages/groups/model/groups-interface.ts
index c8d2c35fb..06d4cd286 100644
--- a/apps/cs/src/pages/groups/model/groups-interface.ts
+++ b/apps/cs/src/pages/groups/model/groups-interface.ts
@@ -1,56 +1,38 @@
+import { z } from "zod";
+import type { PageableList, PageableParams } from "@/shared/model";
+
 // 그룹 검색 파라미터 인터페이스
-export interface GroupSearchParams {
-  page?: number;
-  size?: number;
-  sort?: string;
-  grpNm?: string;
-  useYn?: string;
+export interface GroupSearchParams extends PageableParams {
+  keywordType?: string;
+  keyword?: string;
+  groupId?: string;
+  groupNm?: string;
+  groupSeCd?: string;
+  delYn?: string;
+  authrtId?: string;
+  siteId?: string;
+  groupExpln?: string;
+  roleId?: string;
+  mngrYn?: string;
 }
 
 // 그룹 목록 응답 인터페이스
 export interface GroupListResponseDto {
-  grpSn: number;
-  grpNm: string;
-  grpExpln: string;
-  useYn: string;
-  regDt: string;
-  rgtr: string;
+  groupId: string;
+  groupNm: string;
+  groupSeCd: string;
+  groupSeNm: string;
+  delYn: string;
+  authrtId: string;
+  groupExpln: string;
+  siteId: string;
+  mngrYn: string;
+  roleId: string;
+  roleNm: string;
   mdfcnDt: string;
-  mdfr: string;
-  rgtrNm: string;
   mdfrNm: string;
 }
 
-// 그룹 페이지 응답 인터페이스
-export interface GroupList {
-  content: GroupListResponseDto[];
-  pageable: {
-    sort: {
-      empty: boolean;
-      sorted: boolean;
-      unsorted: boolean;
-    };
-    offset: number;
-    pageSize: number;
-    pageNumber: number;
-    paged: boolean;
-    unpaged: boolean;
-  };
-  last: boolean;
-  totalPages: number;
-  totalElements: number;
-  size: number;
-  number: number;
-  sort: {
-    empty: boolean;
-    sorted: boolean;
-    unsorted: boolean;
-  };
-  first: boolean;
-  numberOfElements: number;
-  empty: boolean;
-}
-
 // 그룹 상세 응답 인터페이스
 export interface GroupDetailResponse {
   grpSn: number;
@@ -65,19 +47,20 @@ export interface GroupDetailResponse {
   mdfrNm: string;
 }
 
-// 그룹 저장 데이터 인터페이스
-export interface GroupSaveData {
-  grpNm: string;
-  grpExpln: string;
-  useYn: string;
-}
+// 그룹 저장 데이터 스키마
+export const groupFormSchema = z.object({
+  groupId: z.string().min(1, { message: "그룹 ID를 입력해주세요." }),
+  groupNm: z.string().min(1, { message: "그룹명을 입력해주세요." }),
+  groupSeCd: z.string().min(1, { message: "그룹구분을 선택해주세요." }),
+  groupExpln: z.string().optional(),
+  delYn: z.string().default("N"),
+  authrtId: z.string().min(1, { message: "권한ID를 선택해주세요." }),
+  siteId: z.string().optional(),
+  mngrYn: z.string().default("N"),
+});
 
-// 그룹 수정 데이터 인터페이스
-export interface GroupUpdateData {
-  grpNm: string;
-  grpExpln: string;
-  useYn: string;
-}
+export type GroupList = PageableList<GroupListResponseDto>;
+export type GroupFormData = z.infer<typeof groupFormSchema>;
 
 // 그룹 서비스 인터페이스
 export interface GroupService {
@@ -85,17 +68,17 @@ export interface GroupService {
   findPageGroup: (params: GroupSearchParams) => Promise<GroupList>;
 
   // 그룹 단건 조회
-  findById: (id: number) => Promise<GroupDetailResponse>;
+  findById: (groupId: string) => Promise<GroupDetailResponse>;
 
   // 그룹 저장
-  saveGroup: (data: GroupSaveData) => Promise<GroupDetailResponse>;
+  saveGroup: (data: GroupFormData) => Promise<GroupDetailResponse>;
 
   // 그룹 수정
   updateGroup: (
-    id: number,
-    data: GroupUpdateData,
+    groupId: string,
+    data: GroupFormData,
   ) => Promise<GroupDetailResponse>;
 
   // 그룹 삭제
-  deleteGroup: (id: number) => Promise<boolean>;
+  deleteGroup: (groupId: string) => Promise<boolean>;
 }
diff --git a/apps/cs/src/pages/groups/model/groups-table-columns.tsx b/apps/cs/src/pages/groups/model/groups-table-columns.tsx
new file mode 100644
index 000000000..a70b3144d
--- /dev/null
+++ b/apps/cs/src/pages/groups/model/groups-table-columns.tsx
@@ -0,0 +1,27 @@
+import { type ColumnDef } from "@tanstack/react-table";
+import { type GroupListResponseDto } from "./groups-interface";
+import { MenuAuthorityDialog } from "../ui/menu-authority-dialog";
+
+export const columns: ColumnDef<GroupListResponseDto>[] = [
+  {
+    accessorKey: "groupId",
+    header: "그룹코드",
+  },
+  {
+    accessorKey: "groupNm",
+    header: "그룹명",
+  },
+  {
+    accessorKey: "siteNm",
+    header: "사이트",
+  },
+  {
+    id: "actions",
+    header: "관리",
+    cell: ({ row }) => (
+      <div className="flex justify-center gap-2">
+        <MenuAuthorityDialog groupId={row.original.groupId} />
+      </div>
+    ),
+  },
+];
diff --git a/apps/cs/src/pages/groups/model/index.ts b/apps/cs/src/pages/groups/model/index.ts
deleted file mode 100644
index 0852eb491..000000000
--- a/apps/cs/src/pages/groups/model/index.ts
+++ /dev/null
@@ -1,2 +0,0 @@
-export * from "./groups-interface";
-export * from "./group-users-interface";
diff --git a/apps/cs/src/pages/groups/ui/group-form.tsx b/apps/cs/src/pages/groups/ui/group-form.tsx
new file mode 100644
index 000000000..3d8e4498f
--- /dev/null
+++ b/apps/cs/src/pages/groups/ui/group-form.tsx
@@ -0,0 +1,204 @@
+"use client";
+
+import type { UseFormReturn } from "react-hook-form";
+import {
+  Input,
+  Label,
+  RadioGroup,
+  RadioGroupItem,
+  Table,
+  TableBody,
+  TableCell,
+  TableHead,
+  TableRow,
+  Textarea,
+} from "@common/components";
+import {
+  FormControl,
+  FormField,
+  FormItem,
+  FormMessage,
+} from "@/shared/ui/form";
+import { CodeSelect } from "@/entities/code";
+import { SiteSelect } from "@/entities/site";
+import { RoleSelect } from "./role-select";
+import type { GroupFormData } from "../model/groups-interface";
+
+type GroupFormProps = {
+  form: UseFormReturn<GroupFormData>;
+};
+
+function GroupForm({ form }: GroupFormProps) {
+  return (
+    <Table variant="secondary">
+      <colgroup>
+        <col width="15%" />
+        <col width="85%" />
+      </colgroup>
+      <TableBody>
+        <TableRow>
+          <TableHead>그룹코드</TableHead>
+          <TableCell className="border">
+            <FormField
+              control={form.control}
+              name="groupId"
+              render={({ field }) => (
+                <FormItem>
+                  <FormControl>
+                    <Input
+                      {...field}
+                      value={field.value ?? ""}
+                      className="w-[24rem] !text-[1.3rem]"
+                      placeholder="그룹코드를 입력하세요"
+                    />
+                  </FormControl>
+                  <FormMessage />
+                </FormItem>
+              )}
+            />
+          </TableCell>
+        </TableRow>
+        <TableRow>
+          <TableHead>그룹명</TableHead>
+          <TableCell className="border">
+            <FormField
+              control={form.control}
+              name="groupNm"
+              render={({ field }) => (
+                <FormItem>
+                  <FormControl>
+                    <Input
+                      {...field}
+                      value={field.value ?? ""}
+                      className="w-[24rem] !text-[1.3rem]"
+                      placeholder="그룹명을 입력하세요"
+                    />
+                  </FormControl>
+                  <FormMessage />
+                </FormItem>
+              )}
+            />
+          </TableCell>
+        </TableRow>
+        <TableRow>
+          <TableHead>그룹구분</TableHead>
+          <TableCell className="border">
+            <FormField
+              control={form.control}
+              name="groupSeCd"
+              render={({ field }) => (
+                <FormItem>
+                  <FormControl>
+                    <CodeSelect
+                      upCd="GROUPSECD"
+                      value={field.value ?? ""}
+                      onValueChange={field.onChange}
+                      className="w-[24rem]"
+                    />
+                  </FormControl>
+                  <FormMessage />
+                </FormItem>
+              )}
+            />
+          </TableCell>
+        </TableRow>
+        <TableRow>
+          <TableHead>그룹설명</TableHead>
+          <TableCell className="border">
+            <FormField
+              control={form.control}
+              name="groupExpln"
+              render={({ field }) => (
+                <FormItem>
+                  <FormControl>
+                    <Textarea
+                      {...field}
+                      value={field.value ?? ""}
+                      className="h-[10rem] resize-none !text-[1.3rem]"
+                      placeholder="그룹설명을 입력하세요"
+                    />
+                  </FormControl>
+                  <FormMessage />
+                </FormItem>
+              )}
+            />
+          </TableCell>
+        </TableRow>
+        <TableRow>
+          <TableHead>사이트</TableHead>
+          <TableCell className="border">
+            <FormField
+              control={form.control}
+              name="siteId"
+              render={({ field }) => (
+                <FormItem>
+                  <FormControl>
+                    <SiteSelect
+                      value={field.value ?? ""}
+                      onValueChange={field.onChange}
+                      className="w-[24rem]"
+                    />
+                  </FormControl>
+                  <FormMessage />
+                </FormItem>
+              )}
+            />
+          </TableCell>
+        </TableRow>
+        <TableRow>
+          <TableHead>관리권한</TableHead>
+          <TableCell className="border">
+            <FormField
+              control={form.control}
+              name="mngrYn"
+              render={({ field }) => (
+                <FormItem>
+                  <FormControl>
+                    <RadioGroup
+                      {...field}
+                      name="mngrYn"
+                      onValueChange={field.onChange}
+                    >
+                      <div className="flex items-center space-x-2">
+                        <RadioGroupItem value="Y" id="mngrY" />
+                        <Label htmlFor="mngrY">Y</Label>
+                      </div>
+                      <div className="flex items-center space-x-2">
+                        <RadioGroupItem value="N" id="mngrN" />
+                        <Label htmlFor="mngrN">N</Label>
+                      </div>
+                    </RadioGroup>
+                  </FormControl>
+                  <FormMessage />
+                </FormItem>
+              )}
+            />
+          </TableCell>
+        </TableRow>
+        <TableRow>
+          <TableHead>권한</TableHead>
+          <TableCell className="border">
+            <FormField
+              control={form.control}
+              name="authrtId"
+              render={({ field }) => (
+                <FormItem>
+                  <FormControl>
+                    <RoleSelect
+                      value={field.value ?? ""}
+                      onValueChange={field.onChange}
+                      mngrYn={form.watch("mngrYn")}
+                    />
+                  </FormControl>
+                  <FormMessage />
+                </FormItem>
+              )}
+            />
+          </TableCell>
+        </TableRow>
+      </TableBody>
+    </Table>
+  );
+}
+
+export { GroupForm };
diff --git a/apps/cs/src/pages/groups/ui/group-users-section.tsx b/apps/cs/src/pages/groups/ui/group-users-section.tsx
new file mode 100644
index 000000000..87b5ae7af
--- /dev/null
+++ b/apps/cs/src/pages/groups/ui/group-users-section.tsx
@@ -0,0 +1,92 @@
+"use client";
+
+import { useState } from "react";
+import { keepPreviousData, useQuery } from "@tanstack/react-query";
+import {
+  getCoreRowModel,
+  useReactTable,
+  type PaginationState,
+  type RowSelectionState,
+} from "@tanstack/react-table";
+import { Button, DataTable } from "@common/components";
+import { ENDPOINT } from "@/shared/config";
+import { columns } from "../model/group-users-table-columns";
+import { GroupUsersApi } from "../api/group-users-service";
+
+type GroupUsersSectionProps = {
+  groupId?: string;
+};
+
+function GroupUsersSection({ groupId }: GroupUsersSectionProps) {
+  const [pagination, setPagination] = useState<PaginationState>({
+    pageIndex: 0,
+    pageSize: 10,
+  });
+  const [rowSelection, setRowSelection] = useState<RowSelectionState>({});
+
+  const { data: groupUsersList, refetch } = useQuery({
+    queryKey: [ENDPOINT.CMS_SERVICE.GROUP_USERS, groupId, pagination],
+    queryFn: () =>
+      GroupUsersApi.findPageGroupUser({
+        keyword: groupId,
+        page: pagination.pageIndex,
+        size: pagination.pageSize,
+      }),
+    enabled: !!groupId,
+    placeholderData: keepPreviousData,
+  });
+
+  const table = useReactTable({
+    data: groupUsersList?.content ?? [],
+    columns,
+    rowCount: groupUsersList?.totalElements ?? 0,
+    state: { pagination, rowSelection },
+    manualPagination: true,
+    enableRowSelection: true,
+    enableMultiRowSelection: true,
+    getCoreRowModel: getCoreRowModel(),
+    onPaginationChange: setPagination,
+    onRowSelectionChange: setRowSelection,
+    getRowId: (row) => row.userUnqId,
+  });
+
+  const handleDeleteSelected = async () => {
+    const selectedRows = Object.keys(rowSelection);
+    if (selectedRows.length === 0 || !groupId) return;
+
+    try {
+      for (const userUnqId of selectedRows) {
+        await GroupUsersApi.deleteGroupUser(groupId, userUnqId);
+      }
+      refetch();
+      setRowSelection({});
+    } catch (error) {
+      console.error(error);
+    }
+  };
+
+  return (
+    <div className="flex-1">
+      <div className="card card-border">
+        <div className="card-header">
+          <h3 className="text-2xl font-medium text-label">그룹 사용자 목록</h3>
+          <div className="flex gap-2">
+            <Button>등록</Button>
+            <Button
+              color="red"
+              disabled={table.getSelectedRowModel().rows.length === 0}
+              onClick={handleDeleteSelected}
+            >
+              선택삭제
+            </Button>
+          </div>
+        </div>
+        <div className="card !m-4 h-[calc(100vh-25.5rem)] overflow-auto !p-0">
+          <DataTable table={table} viewPagination />
+        </div>
+      </div>
+    </div>
+  );
+}
+
+export { GroupUsersSection };
diff --git a/apps/cs/src/pages/groups/ui/groups-dialog.tsx b/apps/cs/src/pages/groups/ui/groups-dialog.tsx
new file mode 100644
index 000000000..bd59f58ef
--- /dev/null
+++ b/apps/cs/src/pages/groups/ui/groups-dialog.tsx
@@ -0,0 +1,112 @@
+"use client";
+
+import { memo, useState } from "react";
+import { useForm } from "react-hook-form";
+import { zodResolver } from "@hookform/resolvers/zod";
+import { useConfirm } from "@frontend-opensource/use-react-hooks";
+import {
+  Button,
+  Dialog,
+  DialogContent,
+  DialogFooter,
+  DialogHeader,
+  DialogTitle,
+  DialogTrigger,
+  DialogClose,
+} from "@common/components";
+import { Form } from "@/shared/ui/form";
+import { useAlertStore, useMutationWrapper } from "@/shared/lib";
+import { GroupForm } from "./group-form";
+import { GroupsApi } from "../api/groups-service";
+import { groupFormSchema, type GroupFormData } from "../model/groups-interface";
+
+type GroupsDialogProps = {
+  groupId?: string;
+  onSuccess?: () => void;
+};
+
+const GroupsDialog = memo(
+  ({ groupId, onSuccess, ...props }: GroupsDialogProps) => {
+    const isRegistration = !groupId;
+    const { confirm } = useConfirm();
+    const alert = useAlertStore((state) => state.setMessage);
+    const [open, setOpen] = useState(false);
+
+    const form = useForm<GroupFormData>({
+      resolver: zodResolver(groupFormSchema),
+      defaultValues: {
+        mngrYn: "N",
+      },
+    });
+
+    const { mutateAsync: createGroup } = useMutationWrapper({
+      mutationFn: (data: GroupFormData) => GroupsApi.saveGroup(data),
+      onSuccess: () => {
+        alert("등록되었습니다.", () => {
+          setOpen(false);
+          onSuccess?.();
+        });
+      },
+    });
+
+    const { mutateAsync: updateGroup } = useMutationWrapper({
+      mutationFn: (data: GroupFormData) =>
+        GroupsApi.updateGroup(groupId ?? "", data),
+      onSuccess: () => {
+        alert("수정되었습니다.", () => {
+          setOpen(false);
+          onSuccess?.();
+        });
+      },
+    });
+
+    const onSubmit =
+      (callback: (data: GroupFormData) => void) =>
+      async (data: GroupFormData) => {
+        const confirmMessage = isRegistration
+          ? "등록하시겠습니까?"
+          : "수정하시겠습니까?";
+
+        if (await confirm(confirmMessage)) callback(data);
+      };
+
+    return (
+      <Dialog open={open} onOpenChange={setOpen} {...props}>
+        <DialogTrigger asChild>
+          <Button>등록</Button>
+        </DialogTrigger>
+        <DialogContent className="max-w-[60rem]" aria-describedby={undefined}>
+          <DialogHeader>
+            <DialogTitle>
+              {isRegistration ? "그룹 등록" : "그룹 수정"}
+            </DialogTitle>
+          </DialogHeader>
+          <Form {...form}>
+            <form
+              onSubmit={form.handleSubmit(
+                onSubmit(isRegistration ? createGroup : updateGroup),
+              )}
+              className="space-y-4"
+            >
+              <GroupForm form={form} />
+              <DialogFooter className="!justify-center">
+                <Button type="submit" size="lg">
+                  {isRegistration ? "등록" : "수정"}
+                </Button>
+                <DialogClose asChild>
+                  <Button type="button" color="white" size="lg">
+                    취소
+                  </Button>
+                </DialogClose>
+              </DialogFooter>
+            </form>
+          </Form>
+        </DialogContent>
+      </Dialog>
+    );
+  },
+);
+
+GroupsDialog.displayName = "GroupsDialog";
+
+export { GroupsDialog };
diff --git a/apps/cs/src/pages/groups/ui/groups-page.tsx b/apps/cs/src/pages/groups/ui/groups-page.tsx
new file mode 100644
index 000000000..96351bd90
--- /dev/null
+++ b/apps/cs/src/pages/groups/ui/groups-page.tsx
@@ -0,0 +1,18 @@
+"use client";
+
+import { useState } from "react";
+import { GroupsSection } from "./groups-section";
+import { GroupUsersSection } from "./group-users-section";
+
+function GroupsPage() {
+  const [selectedGroupId, setSelectedGroupId] = useState("");
+
+  return (
+    <div className="flex">
+      <GroupsSection handleSelectedGroup={setSelectedGroupId} />
+      <GroupUsersSection groupId={selectedGroupId} />
+    </div>
+  );
+}
+
+export { GroupsPage };
diff --git a/apps/cs/src/pages/groups/ui/groups-section.tsx b/apps/cs/src/pages/groups/ui/groups-section.tsx
new file mode 100644
index 000000000..14bdc81ff
--- /dev/null
+++ b/apps/cs/src/pages/groups/ui/groups-section.tsx
@@ -0,0 +1,68 @@
+"use client";
+
+import { useState } from "react";
+import { keepPreviousData, useQuery } from "@tanstack/react-query";
+import {
+  getCoreRowModel,
+  useReactTable,
+  type PaginationState,
+} from "@tanstack/react-table";
+import { DataTable } from "@common/components";
+import { ENDPOINT } from "@/shared/config";
+import { columns } from "../model/groups-table-columns";
+import { GroupsApi } from "../api/groups-service";
+import { GroupsDialog } from "./groups-dialog";
+
+type GroupsSectionProps = {
+  handleSelectedGroup: (groupId: string) => void;
+};
+
+function GroupsSection({ handleSelectedGroup }: GroupsSectionProps) {
+  const [pagination, setPagination] = useState<PaginationState>({
+    pageIndex: 0,
+    pageSize: 10,
+  });
+
+  const { data: groupsList, refetch } = useQuery({
+    queryKey: [ENDPOINT.CMS_SERVICE.GROUPS, pagination],
+    queryFn: () =>
+      GroupsApi.findPageGroup({
+        page: pagination.pageIndex,
+        size: pagination.pageSize,
+      }),
+    placeholderData: keepPreviousData,
+  });
+
+  const table = useReactTable({
+    data: groupsList?.content ?? [],
+    columns,
+    rowCount: groupsList?.totalElements ?? 0,
+    state: { pagination },
+    manualPagination: true,
+    enableMultiRowSelection: false,
+    getCoreRowModel: getCoreRowModel(),
+    onPaginationChange: setPagination,
+    getRowId: (row) => row.groupId,
+  });
+
+  const handleRowClick = (row: { groupId: string }) => {
+    table.setRowSelection({ [row.groupId]: true });
+    handleSelectedGroup(row.groupId);
+  };
+
+  return (
+    <div className="flex-1">
+      <div className="card card-border">
+        <div className="card-header">
+          <h3 className="text-2xl font-medium text-label">그룹 목록</h3>
+          <GroupsDialog onSuccess={refetch} />
+        </div>
+        <div className="card !m-4 h-[calc(100vh-25.5rem)] overflow-auto !p-0">
+          <DataTable table={table} onRowClick={handleRowClick} viewPagination />
+        </div>
+      </div>
+    </div>
+  );
+}
+
+export { GroupsSection };
diff --git a/apps/cs/src/pages/groups/ui/index.ts b/apps/cs/src/pages/groups/ui/index.ts
new file mode 100644
index 000000000..3139984a1
--- /dev/null
+++ b/apps/cs/src/pages/groups/ui/index.ts
@@ -0,0 +1 @@
+export { GroupsPage } from "./groups-page";
diff --git a/apps/cs/src/pages/groups/ui/menu-authority-dialog.tsx b/apps/cs/src/pages/groups/ui/menu-authority-dialog.tsx
new file mode 100644
index 000000000..a3095576f
--- /dev/null
+++ b/apps/cs/src/pages/groups/ui/menu-authority-dialog.tsx
@@ -0,0 +1,110 @@
+import { useState } from "react";
+import { useForm } from "react-hook-form";
+import { zodResolver } from "@hookform/resolvers/zod";
+import { useQuery } from "@tanstack/react-query";
+import { getCoreRowModel, useReactTable } from "@tanstack/react-table";
+import { useConfirm } from "@frontend-opensource/use-react-hooks";
+import {
+  Button,
+  DataTable,
+  Dialog,
+  DialogClose,
+  DialogContent,
+  DialogFooter,
+  DialogHeader,
+  DialogTitle,
+  DialogTrigger,
+} from "@common/components";
+import {
+  MenuAuthorityApi,
+  menuAuthorityFormSchema,
+  type MenuAuthorityPayload,
+  type MenuAuthorityFormData,
+} from "@/entities/menu-authority";
+import { ENDPOINT } from "@/shared/config";
+import { useAlertStore, useMutationWrapper } from "@/shared/lib";
+import { createColumns } from "../model/group-menu-authority-table-columns";
+
+type MenuAuthorityDialogProps = {
+  groupId: string;
+} & React.ComponentProps<typeof Dialog>;
+
+function MenuAuthorityDialog({ groupId }: MenuAuthorityDialogProps) {
+  const { confirm } = useConfirm();
+  const alert = useAlertStore((state) => state.setMessage);
+  const [open, setOpen] = useState(false);
+
+  const { data: menuAuthorityList } = useQuery({
+    queryKey: [ENDPOINT.CMS_SERVICE.MENU_AUTHRTS, groupId],
+    queryFn: () => MenuAuthorityApi.getGroupMenuAuthorityList({ groupId }),
+    enabled: open && !!groupId,
+  });
+
+  const { mutateAsync: saveMenuAuthority } = useMutationWrapper({
+    mutationFn: (data: MenuAuthorityPayload[]) =>
+      MenuAuthorityApi.saveMenuAuthority(data),
+    onSuccess: () => {
+      alert("저장되었습니다.");
+    },
+  });
+
+  const form = useForm<MenuAuthorityFormData>({
+    resolver: zodResolver(menuAuthorityFormSchema),
+    values: {
+      menuAuthority: menuAuthorityList?.content ?? [],
+    },
+  });
+
+  const table = useReactTable({
+    data: menuAuthorityList?.content ?? [],
+    columns: createColumns(form),
+    getCoreRowModel: getCoreRowModel(),
+  });
+
+  const handleSave = async (e: React.MouseEvent) => {
+    e.stopPropagation();
+    if (await confirm("저장하시겠습니까?")) {
+      const data = form.getValues("menuAuthority");
+      const filteredData = data.filter((item) => item.mode !== "R");
+      const menuAuthorityData = filteredData.map((item) => ({
+        ...item,
+        groupId,
+      }));
+      await saveMenuAuthority(menuAuthorityData);
+    }
+  };
+
+  return (
+    <Dialog open={open} onOpenChange={setOpen}>
+      <DialogTrigger asChild>
+        <Button size="sm" onClick={(e) => e.stopPropagation()}>
+          메뉴권한
+        </Button>
+      </DialogTrigger>
+      <DialogContent className="max-w-[60rem]" aria-describedby={undefined}>
+        <DialogHeader>
+          <DialogTitle>그룹별 메뉴 권한</DialogTitle>
+        </DialogHeader>
+        <div className="max-h-[40rem] overflow-auto">
+          <DataTable table={table} />
+        </div>
+        <DialogFooter className="!justify-center">
+          <Button size="lg" onClick={handleSave}>
+            저장
+          </Button>
+          <DialogClose asChild>
+            <Button
+              size="lg"
+              color="white"
+              onClick={(e) => e.stopPropagation()}
+            >
+              취소
+            </Button>
+          </DialogClose>
+        </DialogFooter>
+      </DialogContent>
+    </Dialog>
+  );
+}
+
+export { MenuAuthorityDialog };
diff --git a/apps/cs/src/pages/groups/ui/role-select.tsx b/apps/cs/src/pages/groups/ui/role-select.tsx
new file mode 100644
index 000000000..56cd587c3
--- /dev/null
+++ b/apps/cs/src/pages/groups/ui/role-select.tsx
@@ -0,0 +1,41 @@
+import { useQuery } from "@tanstack/react-query";
+import {
+  Select,
+  SelectContent,
+  SelectItem,
+  SelectTrigger,
+  SelectValue,
+} from "@common/components";
+import { RoleApi } from "@/entities/role";
+import { ENDPOINT } from "@/shared/config";
+
+type RoleSelectProps = React.ComponentPropsWithoutRef<typeof Select> & {
+  mngrYn?: string;
+};
+
+function RoleSelect({ mngrYn = "N", ...props }: RoleSelectProps) {
+  const { data: roles } = useQuery({
+    queryKey: [ENDPOINT.USER_SERVICE.ROLES],
+    queryFn: () => RoleApi.getRoles(),
+    select: (data) => {
+      return data.content.filter((role) => role.mngrYn === mngrYn);
+    },
+  });
+
+  return (
+    <Select {...props}>
+      <SelectTrigger className="w-[24rem]">
+        <SelectValue placeholder="선택" />
+      </SelectTrigger>
+      <SelectContent>
+        {roles?.map((role) => (
+          <SelectItem key={role.roleId} value={role.roleId}>
+            {role.roleName}
+          </SelectItem>
+        ))}
+      </SelectContent>
+    </Select>
+  );
+}
+
+export { RoleSelect };
diff --git a/apps/cs/src/pages/role/ui/create-page.tsx b/apps/cs/src/pages/role/ui/create-page.tsx
index c19d2add5..06722a5a4 100644
--- a/apps/cs/src/pages/role/ui/create-page.tsx
+++ b/apps/cs/src/pages/role/ui/create-page.tsx
@@ -3,10 +3,9 @@
 import { useRouter } from "next/navigation";
 import { useForm } from "react-hook-form";
 import { zodResolver } from "@hookform/resolvers/zod";
+import { RoleApi, roleFormSchema, type RoleFormData } from "@/entities/role";
 import { useAlertStore, useMutationWrapper } from "@/shared/lib";
 import { RoleForm } from "./role-form";
-import { RoleApi } from "../api/role-service";
-import { roleFormSchema, type RoleFormData } from "../model/role-interface";
 
 function CreatePage() {
   const router = useRouter();
diff --git a/apps/cs/src/pages/role/ui/modify-page.tsx b/apps/cs/src/pages/role/ui/modify-page.tsx
index 2a9cd6f19..4042c335a 100644
--- a/apps/cs/src/pages/role/ui/modify-page.tsx
+++ b/apps/cs/src/pages/role/ui/modify-page.tsx
@@ -4,11 +4,10 @@ import { useRouter } from "next/navigation";
 import { useForm } from "react-hook-form";
 import { zodResolver } from "@hookform/resolvers/zod";
 import { useQuery } from "@tanstack/react-query";
+import { RoleApi, roleFormSchema, type RoleFormData } from "@/entities/role";
 import { useAlertStore, useMutationWrapper } from "@/shared/lib";
 import { ENDPOINT } from "@/shared/config";
 import { RoleForm } from "./role-form";
-import { RoleApi } from "../api/role-service";
-import { roleFormSchema, type RoleFormData } from "../model/role-interface";
 
 function ModifyPage({ roleId }: { roleId: string }) {
   const router = useRouter();
diff --git a/apps/cs/src/pages/role/ui/role-form.tsx b/apps/cs/src/pages/role/ui/role-form.tsx
index 0dbc692d0..cd54d1e0b 100644
--- a/apps/cs/src/pages/role/ui/role-form.tsx
+++ b/apps/cs/src/pages/role/ui/role-form.tsx
@@ -13,10 +13,9 @@ import {
   TableRow,
 } from "@common/components";
 import { FormWrapper } from "@/widgets/form-wrapper";
+import { RoleApi, type RoleFormData } from "@/entities/role";
 import { FormField, FormItem, FormControl } from "@/shared/ui/form";
 import { useAlertStore, useMutationWrapper } from "@/shared/lib";
-import { RoleApi } from "../api/role-service";
-import type { RoleFormData } from "../model/role-interface";
 
 type RoleFormProps = {
   roleId?: string;
diff --git a/apps/cs/src/pages/role/ui/role-page.tsx b/apps/cs/src/pages/role/ui/role-page.tsx
index ca57084b0..f2e9273aa 100644
--- a/apps/cs/src/pages/role/ui/role-page.tsx
+++ b/apps/cs/src/pages/role/ui/role-page.tsx
@@ -9,10 +9,9 @@ import {
   type PaginationState,
 } from "@tanstack/react-table";
 import { Button, DataTable, Input, Label } from "@common/components";
+import { RoleApi, type Role, type RoleParams } from "@/entities/role";
 import { ENDPOINT } from "@/shared/config";
-import { RoleApi } from "../api/role-service";
 import { columns } from "../model/table-columns";
-import type { Role, RoleParams } from "../model/role-interface";
 
 function RolePage() {
   const router = useRouter();