diff --git a/app/actions/remote/groups.ts b/app/actions/remote/groups.ts
index 01487aaeb9..64d1fa99b3 100644
--- a/app/actions/remote/groups.ts
+++ b/app/actions/remote/groups.ts
@@ -17,6 +17,17 @@ export const fetchGroupsForChannel = async (serverUrl: string, channelId: string
     }
 };
 
+export const fetchGroupsForMembership = async (serverUrl: string, userId: string) => {
+    let client: Client;
+    try {
+        client = NetworkManager.getClient(serverUrl);
+        return client.getAllGroupsAssociatedToMembership(userId);
+    } catch (error) {
+        forceLogoutIfNecessary(serverUrl, error as ClientErrorProps);
+        return {error};
+    }
+};
+
 export const fetchGroupsForTeam = async (serverUrl: string, teamId: string) => {
     let client: Client;
     try {
@@ -38,3 +49,56 @@ export const fetchGroupsForAutocomplete = async (serverUrl: string, query: strin
         return {error};
     }
 };
+
+export const fetchMembershipsForGroup = async (serverUrl: string, groupId: string) => {
+    let client: Client;
+    try {
+        client = NetworkManager.getClient(serverUrl);
+        return client.getAllMembershipsAssociatedToGroup(groupId);
+    } catch (error) {
+        forceLogoutIfNecessary(serverUrl, error as ClientErrorProps);
+        return {error};
+    }
+};
+
+export const fetchTeamsForGroup = async (serverUrl: string, groupId: string) => {
+    let client: Client;
+    try {
+        client = NetworkManager.getClient(serverUrl);
+        return client.getAllTeamsAssociatedToGroup(groupId);
+    } catch (error) {
+        forceLogoutIfNecessary(serverUrl, error as ClientErrorProps);
+        return {error};
+    }
+};
+
+export const fetchChannelsForGroup = async (serverUrl: string, groupId: string) => {
+    let client: Client;
+    try {
+        client = NetworkManager.getClient(serverUrl);
+        return client.getAllChannelsAssociatedToGroup(groupId);
+    } catch (error) {
+        forceLogoutIfNecessary(serverUrl, error as ClientErrorProps);
+        return {error};
+    }
+};
+
+export const fetchFilteredTeamGroups = async (serverUrl: string, teamId: string, searchTerm: string) => {
+    const response = await fetchGroupsForTeam(serverUrl, teamId);
+
+    if (response && 'groups' in response) {
+        return response.groups.filter((g) => g.name.toLowerCase().includes(searchTerm.toLowerCase()));
+    }
+
+    return [];
+};
+
+export const fetchFilteredChannelGroups = async (serverUrl: string, channelId: string, searchTerm: string) => {
+    const response = await fetchGroupsForChannel(serverUrl, channelId);
+
+    if (response && 'groups' in response) {
+        return response.groups.filter((g) => g.name.toLowerCase().includes(searchTerm.toLowerCase()));
+    }
+
+    return [];
+};
diff --git a/app/client/rest/groups.ts b/app/client/rest/groups.ts
index f431af77ca..f0e6a5740c 100644
--- a/app/client/rest/groups.ts
+++ b/app/client/rest/groups.ts
@@ -7,8 +7,12 @@ import {PER_PAGE_DEFAULT} from './constants';
 
 export interface ClientGroupsMix {
     getGroups: (query?: string, filterAllowReference?: boolean, page?: number, perPage?: number, since?: number) => Promise<Group[]>;
-    getAllGroupsAssociatedToTeam: (teamID: string, filterAllowReference?: boolean) => Promise<{groups: Group[]; total_group_count: number}>;
-    getAllGroupsAssociatedToChannel: (channelID: string, filterAllowReference?: boolean) => Promise<{groups: Group[]; total_group_count: number}>;
+    getAllGroupsAssociatedToChannel: (channelId: string, filterAllowReference?: boolean) => Promise<{groups: Group[]; total_group_count: number}>;
+    getAllGroupsAssociatedToMembership: (userId: string, filterAllowReference?: boolean) => Promise<{groups: Group[]; total_group_count: number}>;
+    getAllGroupsAssociatedToTeam: (teamId: string, filterAllowReference?: boolean) => Promise<{groups: Group[]; total_group_count: number}>;
+    getAllChannelsAssociatedToGroup: (groupId: string, filterAllowReference?: boolean) => Promise<{groupChannels: GroupChannel[]}>;
+    getAllMembershipsAssociatedToGroup: (groupId: string, filterAllowReference?: boolean) => Promise<{groupMemberships: GroupMembership; total_member_count: number}>;
+    getAllTeamsAssociatedToGroup: (groupId: string, filterAllowReference?: boolean) => Promise<{groupTeams: GroupTeam[]}>;
 }
 
 const ClientGroups = (superclass: any) => class extends superclass {
@@ -19,16 +23,44 @@ const ClientGroups = (superclass: any) => class extends superclass {
         );
     };
 
-    getAllGroupsAssociatedToTeam = async (teamID: string, filterAllowReference = false) => {
+    getAllGroupsAssociatedToChannel = async (channelId: string, filterAllowReference = false) => {
         return this.doFetch(
-            `${this.urlVersion}/teams/${teamID}/groups${buildQueryString({paginate: false, filter_allow_reference: filterAllowReference})}`,
+            `${this.urlVersion}/channels/${channelId}/groups${buildQueryString({paginate: false, filter_allow_reference: filterAllowReference})}`,
             {method: 'get'},
         );
     };
 
-    getAllGroupsAssociatedToChannel = async (channelID: string, filterAllowReference = false) => {
+    getAllGroupsAssociatedToTeam = async (teamId: string, filterAllowReference = false) => {
         return this.doFetch(
-            `${this.urlVersion}/channels/${channelID}/groups${buildQueryString({paginate: false, filter_allow_reference: filterAllowReference})}`,
+            `${this.urlVersion}/teams/${teamId}/groups${buildQueryString({paginate: false, filter_allow_reference: filterAllowReference})}`,
+            {method: 'get'},
+        );
+    };
+
+    getAllGroupsAssociatedToMembership = async (userId: string, filterAllowReference = false) => {
+        return this.doFetch(
+            `${this.urlVersion}/users/${userId}/groups${buildQueryString({paginate: false, filter_allow_reference: filterAllowReference})}`,
+            {method: 'get'},
+        );
+    };
+
+    getAllTeamsAssociatedToGroup = async (groupId: string, filterAllowReference = false) => {
+        return this.doFetch(
+            `${this.urlVersion}/groups/${groupId}/teams${buildQueryString({filter_allow_reference: filterAllowReference})}`,
+            {method: 'get'},
+        );
+    };
+
+    getAllChannelsAssociatedToGroup = async (groupId: string, filterAllowReference = false) => {
+        return this.doFetch(
+            `${this.urlVersion}/groups/${groupId}/channels${buildQueryString({filter_allow_reference: filterAllowReference})}`,
+            {method: 'get'},
+        );
+    };
+
+    getAllMembershipsAssociatedToGroup = async (groupId: string, filterAllowReference = false) => {
+        return this.doFetch(
+            `${this.urlVersion}/groups/${groupId}/members${buildQueryString({filter_allow_reference: filterAllowReference})}`,
             {method: 'get'},
         );
     };
diff --git a/app/components/autocomplete/at_mention/at_mention.tsx b/app/components/autocomplete/at_mention/at_mention.tsx
index 2e6715d032..0dd747fa7d 100644
--- a/app/components/autocomplete/at_mention/at_mention.tsx
+++ b/app/components/autocomplete/at_mention/at_mention.tsx
@@ -5,7 +5,7 @@ import {debounce} from 'lodash';
 import React, {useCallback, useEffect, useMemo, useState} from 'react';
 import {Platform, SectionList, SectionListData, SectionListRenderItemInfo} from 'react-native';
 
-import {fetchGroupsForAutocomplete, fetchGroupsForChannel, fetchGroupsForTeam} from '@actions/remote/groups';
+import {fetchFilteredChannelGroups, fetchFilteredTeamGroups, fetchGroupsForAutocomplete} from '@actions/remote/groups';
 import {searchUsers} from '@actions/remote/user';
 import GroupMentionItem from '@components/autocomplete/at_mention_group/at_mention_group';
 import AtMentionItem from '@components/autocomplete/at_mention_item';
@@ -172,26 +172,6 @@ const makeSections = (teamMembers: Array<UserProfile | UserModel>, usersInChanne
     return newSections;
 };
 
-const getFilteredTeamGroups = async (serverUrl: string, teamId: string, searchTerm: string) => {
-    const response = await fetchGroupsForTeam(serverUrl, teamId);
-
-    if (response && 'groups' in response) {
-        return response.groups.filter((g) => g.name.toLowerCase().includes(searchTerm.toLowerCase()));
-    }
-
-    return [];
-};
-
-const getFilteredChannelGroups = async (serverUrl: string, channelId: string, searchTerm: string) => {
-    const response = await fetchGroupsForChannel(serverUrl, channelId);
-
-    if (response && 'groups' in response) {
-        return response.groups.filter((g) => g.name.toLowerCase().includes(searchTerm.toLowerCase()));
-    }
-
-    return [];
-};
-
 type Props = {
     channelId?: string;
     teamId?: string;
@@ -383,7 +363,7 @@ const AtMention = ({
         if (useGroupMentions && matchTerm && matchTerm !== '') {
             // If the channel is constrained, we only show groups for that channel
             if (isChannelConstrained && channelId) {
-                getFilteredChannelGroups(serverUrl, channelId, matchTerm).then((g) => {
+                fetchFilteredChannelGroups(serverUrl, channelId, matchTerm).then((g) => {
                     setGroups(g.length ? g : emptyGroupList);
                 }).catch(() => {
                     setGroups(emptyGroupList);
@@ -392,7 +372,7 @@ const AtMention = ({
 
             // If there is no channel constraint, but a team constraint - only show groups for team
             if (isTeamConstrained && !isChannelConstrained) {
-                getFilteredTeamGroups(serverUrl, teamId!, matchTerm).then((g) => {
+                fetchFilteredTeamGroups(serverUrl, teamId!, matchTerm).then((g) => {
                     setGroups(g.length ? g : emptyGroupList);
                 }).catch(() => {
                     setGroups(emptyGroupList);