diff --git a/apps/settings/src/components/UserList.vue b/apps/settings/src/components/UserList.vue
index 00c7ec547cb..80ba7923e5d 100644
--- a/apps/settings/src/components/UserList.vue
+++ b/apps/settings/src/components/UserList.vue
@@ -34,8 +34,6 @@
 				users,
 				settings,
 				hasObfuscated,
-				groups,
-				subAdminsGroups,
 				quotaOptions,
 				languages,
 				externalActions,
@@ -179,11 +177,6 @@ export default {
 				.sort((a, b) => a.name.localeCompare(b.name))
 		},
 
-		subAdminsGroups() {
-			// data provided php side
-			return this.$store.getters.getSubadminGroups
-		},
-
 		quotaOptions() {
 			// convert the preset array into objects
 			const quotaPreset = this.settings.quotaPreset.reduce((acc, cur) => acc.concat({
diff --git a/apps/settings/src/components/Users/UserRow.vue b/apps/settings/src/components/Users/UserRow.vue
index 485a139e285..02badf79736 100644
--- a/apps/settings/src/components/Users/UserRow.vue
+++ b/apps/settings/src/components/Users/UserRow.vue
@@ -117,6 +117,8 @@
 					label="name"
 					:no-wrap="true"
 					:create-option="(value) => ({ name: value, isCreating: true })"
+					@open="loadGroupDetails"
+					@search="searchGroups"
 					@option:created="createGroup"
 					@option:selected="options => addUserGroup(options.at(-1))"
 					@option:deselected="removeUserGroup" />
@@ -127,10 +129,10 @@
 			</span>
 		</td>
 
-		<td v-if="subAdminsGroups.length > 0 && (settings.isAdmin || settings.isDelegatedAdmin)"
+		<td v-if="userSubAdminGroups.length > 0 && (settings.isAdmin || settings.isDelegatedAdmin)"
 			data-cy-user-list-cell-subadmins
 			class="row__cell row__cell--large row__cell--multiline">
-			<template v-if="editing && (settings.isAdmin || settings.isDelegatedAdmin) && subAdminsGroups.length > 0">
+			<template v-if="editing && (settings.isAdmin || settings.isDelegatedAdmin) && userSubAdminGroups.length > 0">
 				<label class="hidden-visually"
 					:for="'subadmins' + uniqueId">
 					{{ t('settings', 'Set account as admin for') }}
@@ -145,15 +147,17 @@
 					:append-to-body="false"
 					:multiple="true"
 					:no-wrap="true"
-					:options="subAdminsGroups"
+					:options="availableSubAdminGroups"
 					:placeholder="t('settings', 'Set account as admin for')"
-					:value="userSubAdminsGroups"
+					:value="userSubAdminGroups"
+					@open="loadGroupDetails"
+					@search="searchGroups"
 					@option:deselected="removeUserSubAdmin"
 					@option:selected="options => addUserSubAdmin(options.at(-1))" />
 			</template>
 			<span v-else-if="!isObfuscated"
-				:title="userSubAdminsGroupsLabels?.length > 40 ? userSubAdminsGroupsLabels : null">
-				{{ userSubAdminsGroupsLabels }}
+				:title="userSubAdminGroupsLabels?.length > 40 ? userSubAdminGroupsLabels : null">
+				{{ userSubAdminGroupsLabels }}
 			</span>
 		</td>
 
@@ -296,6 +300,8 @@ import UserRowActions from './UserRowActions.vue'
 
 import UserRowMixin from '../../mixins/UserRowMixin.js'
 import { isObfuscated, unlimitedQuota } from '../../utils/userUtils.ts'
+import { formatGroup } from '../../utils/groups.ts'
+import logger from '../../logger.ts'
 
 export default {
 	name: 'UserRow',
@@ -330,14 +336,6 @@ export default {
 			type: Boolean,
 			required: true,
 		},
-		groups: {
-			type: Array,
-			default: () => [],
-		},
-		subAdminsGroups: {
-			type: Array,
-			required: true,
-		},
 		quotaOptions: {
 			type: Array,
 			required: true,
@@ -381,6 +379,8 @@ export default {
 			editedDisplayName: this.user.displayname,
 			editedPassword: '',
 			editedMail: this.user.email ?? '',
+			// Cancelable promise for search groups request
+			promise: null,
 		}
 	},
 
@@ -412,13 +412,13 @@ export default {
 
 		userGroupsLabels() {
 			return this.userGroups
-				.map(group => group.name)
+				.map(group => group.name ?? group.id)
 				.join(', ')
 		},
 
-		userSubAdminsGroupsLabels() {
-			return this.userSubAdminsGroups
-				.map(group => group.name)
+		userSubAdminGroupsLabels() {
+			return this.userSubAdminGroups
+				.map(group => group.name ?? group.id)
 				.join(', ')
 		},
 
@@ -554,6 +554,46 @@ export default {
 			this.loadingPossibleManagers = false
 		},
 
+		async loadGroupDetails() {
+			this.loading.groups = true
+			try {
+				const { data } = await this.$store.dispatch('getUserGroups', {
+					userId: this.user.id,
+				})
+				const groups = data.ocs?.data?.groups
+				if (!groups) {
+					logger.error(t('settings', 'Failed to load groups with details'))
+					return
+				}
+				this.availableGroups = this.availableGroups.map(availableGroup => groups.find(group => group.id === availableGroup.id) ?? availableGroup)
+			} catch (error) {
+				logger.error(t('settings', 'Failed to load groups with details'), { error })
+			}
+			this.loading.groups = false
+		},
+
+		async searchGroups(query, toggleLoading) {
+			if (this.promise) {
+				this.promise.cancel()
+			}
+			this.loading.groups = true
+			toggleLoading(true)
+			try {
+				this.promise = await searchGroups({
+					search: query,
+					offset: 0,
+					limit: 25,
+				})
+				const groups = (await this.promise).data.ocs?.data?.groups ?? []
+				this.availableGroups = groups.map(formatGroup)
+			} catch (error) {
+				logger.error(t('settings', 'Failed to search groups'), { error })
+			}
+			this.promise = null
+			this.loading.groups = false
+			toggleLoading(false)
+		},
+
 		async searchUserManager(query) {
 			await this.$store.dispatch('searchUsers', { offset: 0, limit: 10, search: query }).then(response => {
 				const users = response?.data ? this.filterManagers(Object.values(response?.data.ocs.data.users)) : []
@@ -703,6 +743,7 @@ export default {
 			this.loading = { groups: true, subadmins: true }
 			try {
 				await this.$store.dispatch('addGroup', gid)
+				this.availableGroups.push({ id: gid, name: gid })
 				const userid = this.user.id
 				await this.$store.dispatch('addUserGroup', { userid, gid })
 			} catch (error) {
@@ -732,6 +773,7 @@ export default {
 			}
 			try {
 				await this.$store.dispatch('addUserGroup', { userid, gid })
+				this.userGroups.push({ id: group.id, name: group.id })
 			} catch (error) {
 				console.error(error)
 			} finally {
@@ -756,6 +798,7 @@ export default {
 					userid,
 					gid,
 				})
+				this.userGroups = this.userGroups.filter(group => group.id !== gid)
 				this.loading.groups = false
 				// remove user from current list if current list is the removed group
 				if (this.$route.params.selectedGroup === gid) {
@@ -780,6 +823,7 @@ export default {
 					userid,
 					gid,
 				})
+				this.userSubAdminGroups.push({ id: group.id, name: group.id })
 				this.loading.subadmins = false
 			} catch (error) {
 				console.error(error)
@@ -801,6 +845,7 @@ export default {
 					userid,
 					gid,
 				})
+				this.userSubAdminGroups = this.userSubAdminGroups.filter(group => group.id !== gid)
 			} catch (error) {
 				console.error(error)
 			} finally {
diff --git a/apps/settings/src/mixins/UserRowMixin.js b/apps/settings/src/mixins/UserRowMixin.js
index 984607ef3d3..2cb69ff2e96 100644
--- a/apps/settings/src/mixins/UserRowMixin.js
+++ b/apps/settings/src/mixins/UserRowMixin.js
@@ -16,14 +16,6 @@ export default {
 			type: Object,
 			default: () => ({}),
 		},
-		groups: {
-			type: Array,
-			default: () => [],
-		},
-		subAdminsGroups: {
-			type: Array,
-			default: () => [],
-		},
 		quotaOptions: {
 			type: Array,
 			default: () => [],
@@ -49,38 +41,19 @@ export default {
 			formattedFullTime,
 		}
 	},
+	data() {
+		return {
+			availableGroups: this.user.groups.map(id => ({ id, name: id })),
+			availableSubAdminGroups: this.user.subadmin.map(id => ({ id, name: id })),
+			userGroups: this.user.groups.map(id => ({ id, name: id })),
+			userSubAdminGroups: this.user.subadmin.map(id => ({ id, name: id })),
+		}
+	},
 	computed: {
 		showConfig() {
 			return this.$store.getters.getShowConfig
 		},
 
-		/* GROUPS MANAGEMENT */
-		userGroups() {
-			const userGroups = this.groups.filter(group => this.user.groups.includes(group.id))
-			return userGroups
-		},
-		userSubAdminsGroups() {
-			const userSubAdminsGroups = this.subAdminsGroups.filter(group => this.user.subadmin.includes(group.id))
-			return userSubAdminsGroups
-		},
-		availableGroups() {
-			return this.groups.map((group) => {
-				// clone object because we don't want
-				// to edit the original groups
-				const groupClone = Object.assign({}, group)
-
-				// two settings here:
-				// 1. user NOT in group but no permission to add
-				// 2. user is in group but no permission to remove
-				groupClone.$isDisabled
-					= (group.canAdd === false
-						&& !this.user.groups.includes(group.id))
-					|| (group.canRemove === false
-						&& this.user.groups.includes(group.id))
-				return groupClone
-			})
-		},
-
 		/* QUOTA MANAGEMENT */
 		usedSpace() {
 			const quotaUsed = this.user.quota.used > 0 ? this.user.quota.used : 0
diff --git a/apps/settings/src/store/users.js b/apps/settings/src/store/users.js
index 2a3a2d272d9..0914db6471b 100644
--- a/apps/settings/src/store/users.js
+++ b/apps/settings/src/store/users.js
@@ -464,6 +464,24 @@ const actions = {
 			.catch((error) => context.commit('API_FAILURE', error))
 	},
 
+	/**
+	 * Get user groups
+	 *
+	 * @param {object} context store context
+	 * @param {object} options destructuring object
+	 * @param {number} options.userId User id
+	 * @return {Promise}
+	 */
+	async getUserGroups(context, { userId }) {
+		const url = generateOcsUrl('cloud/users/{userId}/groups/details', { userId })
+		try {
+			const response = await api.get(url)
+			return response
+		} catch (error) {
+			context.commit('API_FAILURE', error)
+		}
+	},
+
 	/**
 	 * Get all users with full details
 	 *