diff --git a/AdminUi/src/AdminUi.Infrastructure.Database.Postgres/Migrations/20230929151518_ClientsOverview.Designer.cs b/AdminUi/src/AdminUi.Infrastructure.Database.Postgres/Migrations/20230929151518_ClientsOverview.Designer.cs
new file mode 100644
index 0000000000..5726294f8d
--- /dev/null
+++ b/AdminUi/src/AdminUi.Infrastructure.Database.Postgres/Migrations/20230929151518_ClientsOverview.Designer.cs
@@ -0,0 +1,106 @@
+// <auto-generated />
+using System;
+using AdminUi.Infrastructure.Persistence.Database;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+using Npgsql.EntityFrameworkCore.PostgreSQL.Metadata;
+
+#nullable disable
+
+namespace AdminUi.Infrastructure.Database.Postgres.Migrations
+{
+    [DbContext(typeof(AdminUiDbContext))]
+    [Migration("20230929151518_ClientsOverview")]
+    partial class ClientsOverview
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "7.0.10")
+                .HasAnnotation("Relational:MaxIdentifierLength", 63);
+
+            NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
+
+            modelBuilder.Entity("AdminUi.Infrastructure.DTOs.ClientOverview", b =>
+                {
+                    b.Property<string>("ClientId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("DefaultTier")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("DisplayName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<int>("NumberOfIdentities")
+                        .HasColumnType("integer");
+
+                    b.ToTable((string)null);
+
+                    b.ToView("ClientOverviews", (string)null);
+                });
+
+            modelBuilder.Entity("AdminUi.Infrastructure.DTOs.IdentityOverview", b =>
+                {
+                    b.Property<string>("Address")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<string>("CreatedWithClient")
+                        .HasColumnType("text");
+
+                    b.Property<int?>("DatawalletVersion")
+                        .HasColumnType("integer");
+
+                    b.Property<byte>("IdentityVersion")
+                        .HasColumnType("smallint");
+
+                    b.Property<DateTime?>("LastLoginAt")
+                        .HasColumnType("timestamp with time zone");
+
+                    b.Property<int?>("NumberOfDevices")
+                        .HasColumnType("integer");
+
+                    b.Property<string>("TierId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("TierName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.ToTable((string)null);
+
+                    b.ToView("IdentityOverviews", (string)null);
+                });
+
+            modelBuilder.Entity("AdminUi.Infrastructure.DTOs.TierOverview", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("text");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<int>("NumberOfIdentities")
+                        .HasColumnType("integer");
+
+                    b.ToTable((string)null);
+
+                    b.ToView("TierOverviews", (string)null);
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}
diff --git a/AdminUi/src/AdminUi.Infrastructure.Database.Postgres/Migrations/20230929151518_ClientsOverview.cs b/AdminUi/src/AdminUi.Infrastructure.Database.Postgres/Migrations/20230929151518_ClientsOverview.cs
new file mode 100644
index 0000000000..a6e4c43409
--- /dev/null
+++ b/AdminUi/src/AdminUi.Infrastructure.Database.Postgres/Migrations/20230929151518_ClientsOverview.cs
@@ -0,0 +1,35 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace AdminUi.Infrastructure.Database.Postgres.Migrations
+{
+    /// <inheritdoc />
+    public partial class ClientsOverview : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.Sql("""
+                CREATE VIEW "ClientOverviews" AS
+                    SELECT
+                        CLIENTS."ClientId" AS "ClientId",
+                        CLIENTS."DisplayName" AS "DisplayName",
+                        CLIENTS."DefaultTier" AS "DefaultTier",
+                        CLIENTS."CreatedAt" AS "CreatedAt",
+                        (
+        		            SELECT COUNT("ClientId") 
+        		            FROM "Devices"."Identities"
+        		            WHERE "ClientId" = CLIENTS."ClientId"
+        	            ) AS "NumberOfIdentities"
+                    FROM "Devices"."OpenIddictApplications" CLIENTS
+        """);
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.Sql(""" DROP VIEW "ClientOverviews" """);
+        }
+    }
+}
diff --git a/AdminUi/src/AdminUi.Infrastructure.Database.Postgres/Migrations/AdminUiDbContextModelSnapshot.cs b/AdminUi/src/AdminUi.Infrastructure.Database.Postgres/Migrations/AdminUiDbContextModelSnapshot.cs
index 103a29097d..47e8cf0f12 100644
--- a/AdminUi/src/AdminUi.Infrastructure.Database.Postgres/Migrations/AdminUiDbContextModelSnapshot.cs
+++ b/AdminUi/src/AdminUi.Infrastructure.Database.Postgres/Migrations/AdminUiDbContextModelSnapshot.cs
@@ -22,6 +22,28 @@ protected override void BuildModel(ModelBuilder modelBuilder)
 
             NpgsqlModelBuilderExtensions.UseIdentityByDefaultColumns(modelBuilder);
 
+            modelBuilder.Entity("AdminUi.Infrastructure.DTOs.ClientOverview", b =>
+                {
+                    b.Property<string>("ClientId")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("DefaultTier")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<string>("DisplayName")
+                        .IsRequired()
+                        .HasColumnType("text");
+
+                    b.Property<int>("NumberOfIdentities")
+                        .HasColumnType("integer");
+
+                    b.ToTable((string)null);
+
+                    b.ToView("ClientOverviews", (string)null);
+                });
+
             modelBuilder.Entity("AdminUi.Infrastructure.DTOs.IdentityOverview", b =>
                 {
                     b.Property<string>("Address")
diff --git a/AdminUi/src/AdminUi.Infrastructure.Database.SqlServer/Migrations/20230929144733_ClientsOverview.Designer.cs b/AdminUi/src/AdminUi.Infrastructure.Database.SqlServer/Migrations/20230929144733_ClientsOverview.Designer.cs
new file mode 100644
index 0000000000..1cc6a75e57
--- /dev/null
+++ b/AdminUi/src/AdminUi.Infrastructure.Database.SqlServer/Migrations/20230929144733_ClientsOverview.Designer.cs
@@ -0,0 +1,106 @@
+// <auto-generated />
+using System;
+using AdminUi.Infrastructure.Persistence.Database;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Infrastructure;
+using Microsoft.EntityFrameworkCore.Metadata;
+using Microsoft.EntityFrameworkCore.Migrations;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
+
+#nullable disable
+
+namespace AdminUi.Infrastructure.Database.SqlServer.Migrations
+{
+    [DbContext(typeof(AdminUiDbContext))]
+    [Migration("20230929144733_ClientsOverview")]
+    partial class ClientsOverview
+    {
+        /// <inheritdoc />
+        protected override void BuildTargetModel(ModelBuilder modelBuilder)
+        {
+#pragma warning disable 612, 618
+            modelBuilder
+                .HasAnnotation("ProductVersion", "7.0.10")
+                .HasAnnotation("Relational:MaxIdentifierLength", 128);
+
+            SqlServerModelBuilderExtensions.UseIdentityColumns(modelBuilder);
+
+            modelBuilder.Entity("AdminUi.Infrastructure.DTOs.ClientOverview", b =>
+                {
+                    b.Property<string>("ClientId")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("DefaultTier")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("DisplayName")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<int>("NumberOfIdentities")
+                        .HasColumnType("int");
+
+                    b.ToTable((string)null);
+
+                    b.ToView("ClientOverviews", (string)null);
+                });
+
+            modelBuilder.Entity("AdminUi.Infrastructure.DTOs.IdentityOverview", b =>
+                {
+                    b.Property<string>("Address")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<DateTime>("CreatedAt")
+                        .HasColumnType("datetime2");
+
+                    b.Property<string>("CreatedWithClient")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<int?>("DatawalletVersion")
+                        .HasColumnType("int");
+
+                    b.Property<byte>("IdentityVersion")
+                        .HasColumnType("tinyint");
+
+                    b.Property<DateTime?>("LastLoginAt")
+                        .HasColumnType("datetime2");
+
+                    b.Property<int?>("NumberOfDevices")
+                        .HasColumnType("int");
+
+                    b.Property<string>("TierId")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("TierName")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.ToTable((string)null);
+
+                    b.ToView("IdentityOverviews", (string)null);
+                });
+
+            modelBuilder.Entity("AdminUi.Infrastructure.DTOs.TierOverview", b =>
+                {
+                    b.Property<string>("Id")
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("Name")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<int>("NumberOfIdentities")
+                        .HasColumnType("int");
+
+                    b.ToTable((string)null);
+
+                    b.ToView("TierOverviews", (string)null);
+                });
+#pragma warning restore 612, 618
+        }
+    }
+}
diff --git a/AdminUi/src/AdminUi.Infrastructure.Database.SqlServer/Migrations/20230929144733_ClientsOverview.cs b/AdminUi/src/AdminUi.Infrastructure.Database.SqlServer/Migrations/20230929144733_ClientsOverview.cs
new file mode 100644
index 0000000000..79e1f37b47
--- /dev/null
+++ b/AdminUi/src/AdminUi.Infrastructure.Database.SqlServer/Migrations/20230929144733_ClientsOverview.cs
@@ -0,0 +1,35 @@
+using Microsoft.EntityFrameworkCore.Migrations;
+
+#nullable disable
+
+namespace AdminUi.Infrastructure.Database.SqlServer.Migrations
+{
+    /// <inheritdoc />
+    public partial class ClientsOverview : Migration
+    {
+        /// <inheritdoc />
+        protected override void Up(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.Sql("""
+                CREATE VIEW ClientOverviews AS
+                    SELECT
+                        CLIENTS.ClientId,
+                        CLIENTS.DisplayName,
+                        CLIENTS.DefaultTier,
+                        CLIENTS.CreatedAt,
+                        (
+        		            SELECT COUNT(ClientId) 
+        		            FROM Devices.Identities
+        		            WHERE ClientId = CLIENTS.ClientId
+        	            ) AS NumberOfIdentities
+                    FROM Devices.OpenIddictApplications CLIENTS
+        """);
+        }
+
+        /// <inheritdoc />
+        protected override void Down(MigrationBuilder migrationBuilder)
+        {
+            migrationBuilder.Sql(""" DROP VIEW ClientOverviews """);
+        }
+    }
+}
diff --git a/AdminUi/src/AdminUi.Infrastructure.Database.SqlServer/Migrations/AdminUiDbContextModelSnapshot.cs b/AdminUi/src/AdminUi.Infrastructure.Database.SqlServer/Migrations/AdminUiDbContextModelSnapshot.cs
index d3f8db0cef..2b9f621290 100644
--- a/AdminUi/src/AdminUi.Infrastructure.Database.SqlServer/Migrations/AdminUiDbContextModelSnapshot.cs
+++ b/AdminUi/src/AdminUi.Infrastructure.Database.SqlServer/Migrations/AdminUiDbContextModelSnapshot.cs
@@ -22,6 +22,28 @@ protected override void BuildModel(ModelBuilder modelBuilder)
 
             SqlServerModelBuilderExtensions.UseIdentityColumns(modelBuilder);
 
+            modelBuilder.Entity("AdminUi.Infrastructure.DTOs.ClientOverview", b =>
+                {
+                    b.Property<string>("ClientId")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("DefaultTier")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<string>("DisplayName")
+                        .IsRequired()
+                        .HasColumnType("nvarchar(max)");
+
+                    b.Property<int>("NumberOfIdentities")
+                        .HasColumnType("int");
+
+                    b.ToTable((string)null);
+
+                    b.ToView("ClientOverviews", (string)null);
+                });
+
             modelBuilder.Entity("AdminUi.Infrastructure.DTOs.IdentityOverview", b =>
                 {
                     b.Property<string>("Address")
diff --git a/AdminUi/src/AdminUi.Infrastructure/DTOs/ClientOverview.cs b/AdminUi/src/AdminUi.Infrastructure/DTOs/ClientOverview.cs
new file mode 100644
index 0000000000..51a66a066e
--- /dev/null
+++ b/AdminUi/src/AdminUi.Infrastructure/DTOs/ClientOverview.cs
@@ -0,0 +1,9 @@
+namespace AdminUi.Infrastructure.DTOs;
+public class ClientOverview
+{
+    public string ClientId { get; set; }
+    public string DisplayName { get; set; }
+    public string DefaultTier { get; set; }
+    public DateTime CreatedAt { get; set; }
+    public int NumberOfIdentities { get; set; }
+}
diff --git a/AdminUi/src/AdminUi.Infrastructure/Persistence/Database/AdminUiDbContext.cs b/AdminUi/src/AdminUi.Infrastructure/Persistence/Database/AdminUiDbContext.cs
index a24c97743d..dd3bd2420e 100644
--- a/AdminUi/src/AdminUi.Infrastructure/Persistence/Database/AdminUiDbContext.cs
+++ b/AdminUi/src/AdminUi.Infrastructure/Persistence/Database/AdminUiDbContext.cs
@@ -22,6 +22,8 @@ public AdminUiDbContext(DbContextOptions<AdminUiDbContext> options, IServiceProv
 
     public DbSet<TierOverview> TierOverviews { get; set; }
 
+    public DbSet<ClientOverview> ClientOverviews { get; set; }
+
     protected override void OnModelCreating(ModelBuilder builder)
     {
         base.OnModelCreating(builder);
diff --git a/AdminUi/src/AdminUi.Infrastructure/Persistence/Database/EntityTypeConfigurations/ClientOverviewEntityTypeConfiguration.cs b/AdminUi/src/AdminUi.Infrastructure/Persistence/Database/EntityTypeConfigurations/ClientOverviewEntityTypeConfiguration.cs
new file mode 100644
index 0000000000..5ed176bf05
--- /dev/null
+++ b/AdminUi/src/AdminUi.Infrastructure/Persistence/Database/EntityTypeConfigurations/ClientOverviewEntityTypeConfiguration.cs
@@ -0,0 +1,13 @@
+using AdminUi.Infrastructure.DTOs;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Metadata.Builders;
+
+namespace AdminUi.Infrastructure.Persistence.Database.EntityTypeConfigurations;
+public class ClientOverviewEntityTypeConfiguration : IEntityTypeConfiguration<ClientOverview>
+{
+    public void Configure(EntityTypeBuilder<ClientOverview> builder)
+    {
+        builder.ToView("ClientOverviews");
+        builder.HasNoKey();
+    }
+}
diff --git a/AdminUi/src/AdminUi/ClientApp/src/app/components/client/client-edit/client-edit.component.ts b/AdminUi/src/AdminUi/ClientApp/src/app/components/client/client-edit/client-edit.component.ts
index 1ace609bbd..80a5704eda 100644
--- a/AdminUi/src/AdminUi/ClientApp/src/app/components/client/client-edit/client-edit.component.ts
+++ b/AdminUi/src/AdminUi/ClientApp/src/app/components/client/client-edit/client-edit.component.ts
@@ -1,7 +1,7 @@
 import { Component } from "@angular/core";
 import { MatSnackBar } from "@angular/material/snack-bar";
 import { ActivatedRoute } from "@angular/router";
-import { Client, ClientDTO, UpdateClientRequest, ClientServiceService } from "src/app/services/client-service/client-service";
+import { Client, UpdateClientRequest, ClientServiceService } from "src/app/services/client-service/client-service";
 import { TierOverview, TierService } from "src/app/services/tier-service/tier.service";
 import { HttpResponseEnvelope } from "src/app/utils/http-response-envelope";
 import { PagedHttpResponseEnvelope } from "src/app/utils/paged-http-response-envelope";
@@ -76,10 +76,10 @@ export class ClientEditComponent {
     public getClient(): void {
         this.loading = true;
         this.clientService.getClientById(this.clientId!).subscribe({
-            next: (data: HttpResponseEnvelope<ClientDTO>) => {
+            next: (data: HttpResponseEnvelope<Client>) => {
                 this.client = {
                     clientId: data.result.clientId,
-                    displayName: data.result.displayName!,
+                    displayName: data.result.displayName,
                     defaultTier: data.result.defaultTier,
                     createdAt: data.result.createdAt
                 } as Client;
@@ -149,10 +149,10 @@ export class ClientEditComponent {
         } as UpdateClientRequest;
 
         this.clientService.updateClient(this.client.clientId!, request).subscribe({
-            next: (data: HttpResponseEnvelope<ClientDTO>) => {
+            next: (data: HttpResponseEnvelope<Client>) => {
                 this.client = {
                     clientId: data.result.clientId,
-                    displayName: data.result.displayName!,
+                    displayName: data.result.displayName,
                     defaultTier: data.result.defaultTier,
                     createdAt: data.result.createdAt
                 } as Client;
diff --git a/AdminUi/src/AdminUi/ClientApp/src/app/components/client/client-list/client-list.component.css b/AdminUi/src/AdminUi/ClientApp/src/app/components/client/client-list/client-list.component.css
index 309fbc8f00..95a28b24cf 100644
--- a/AdminUi/src/AdminUi/ClientApp/src/app/components/client/client-list/client-list.component.css
+++ b/AdminUi/src/AdminUi/ClientApp/src/app/components/client/client-list/client-list.component.css
@@ -1,11 +1,34 @@
 .mat-column-clientId,
-.mat-column-displayName,
-.mat-column-defaultTier,
-.mat-column-createdAt {
+.mat-column-displayName {
     width: 20%;
     word-break: break-all;
 }
 
+.mat-column-defaultTier {
+    width: 15%;
+    word-break: break-all;
+}
+
+.mat-column-numberOfIdentities {
+    width: 10%;
+    word-break: normal;
+}
+
+.mat-column-createdAt {
+    width: 15%;
+    word-break: normal;
+}
+
+.mat-column-actions {
+    width: 20%;
+    word-break: normal;
+}
+
+.actions-button {
+    min-height: 36px;
+    height: auto;
+}
+
 .disabled-container {
     pointer-events: none;
     opacity: 0.4;
diff --git a/AdminUi/src/AdminUi/ClientApp/src/app/components/client/client-list/client-list.component.html b/AdminUi/src/AdminUi/ClientApp/src/app/components/client/client-list/client-list.component.html
index be112cfe80..c2ea0863d4 100644
--- a/AdminUi/src/AdminUi/ClientApp/src/app/components/client/client-list/client-list.component.html
+++ b/AdminUi/src/AdminUi/ClientApp/src/app/components/client/client-list/client-list.component.html
@@ -54,6 +54,12 @@ <h2 class="header-title">{{ header }}</h2>
                     {{ client.defaultTier }}
                 </td>
             </ng-container>
+            <ng-container matColumnDef="numberOfIdentities">
+                <th mat-header-cell *matHeaderCellDef>Number of Identities</th>
+                <td mat-cell *matCellDef="let client" data-label="Number of Identities:" (click)="editClient(client.clientId)">
+                    {{ client.numberOfIdentities }}
+                </td>
+            </ng-container>
             <ng-container matColumnDef="createdAt">
                 <th mat-header-cell *matHeaderCellDef>Created At</th>
                 <td mat-cell *matCellDef="let client" data-label="Created At:" (click)="editClient(client.clientId)">
@@ -63,7 +69,7 @@ <h2 class="header-title">{{ header }}</h2>
             <ng-container matColumnDef="actions">
                 <th mat-header-cell *matHeaderCellDef>Actions</th>
                 <td mat-cell *matCellDef="let client" data-label="">
-                    <button mat-raised-button color="primary" (click)="openChangeSecretDialog(client.clientId)">Change Client Secret</button>
+                    <button mat-raised-button class="actions-button" color="primary" (click)="openChangeSecretDialog(client.clientId)">Change Client Secret</button>
                 </td>
             </ng-container>
             <tr mat-header-row *matHeaderRowDef="displayedColumns"></tr>
diff --git a/AdminUi/src/AdminUi/ClientApp/src/app/components/client/client-list/client-list.component.ts b/AdminUi/src/AdminUi/ClientApp/src/app/components/client/client-list/client-list.component.ts
index f476381251..670f8a69ad 100644
--- a/AdminUi/src/AdminUi/ClientApp/src/app/components/client/client-list/client-list.component.ts
+++ b/AdminUi/src/AdminUi/ClientApp/src/app/components/client/client-list/client-list.component.ts
@@ -4,7 +4,7 @@ import { MatSnackBar } from "@angular/material/snack-bar";
 import { SelectionModel } from "@angular/cdk/collections";
 import { Router } from "@angular/router";
 import { MatDialog } from "@angular/material/dialog";
-import { ClientDTO, ClientServiceService } from "src/app/services/client-service/client-service";
+import { ClientOverview, ClientServiceService } from "src/app/services/client-service/client-service";
 import { PagedHttpResponseEnvelope } from "src/app/utils/paged-http-response-envelope";
 import { forkJoin, Observable } from "rxjs";
 import { ConfirmationDialogComponent } from "../../shared/confirmation-dialog/confirmation-dialog.component";
@@ -18,13 +18,13 @@ export class ClientListComponent {
     @ViewChild(MatPaginator) public paginator!: MatPaginator;
     public header: string;
     public headerDescription: string;
-    public clients: ClientDTO[];
+    public clients: ClientOverview[];
     public totalRecords: number;
     public pageSize: number;
     public pageIndex: number;
     public loading = false;
-    public selection = new SelectionModel<ClientDTO>(true, []);
-    public displayedColumns: string[] = ["select", "clientId", "displayName", "defaultTier", "createdAt", "actions"];
+    public selection = new SelectionModel<ClientOverview>(true, []);
+    public displayedColumns: string[] = ["select", "clientId", "displayName", "defaultTier", "numberOfIdentities", "createdAt", "actions"];
 
     public constructor(
         private readonly router: Router,
@@ -47,9 +47,9 @@ export class ClientListComponent {
 
     public getPagedData(): void {
         this.loading = true;
-        this.selection = new SelectionModel<ClientDTO>(true, []);
+        this.selection = new SelectionModel<ClientOverview>(true, []);
         this.clientService.getClients(this.pageIndex, this.pageSize).subscribe({
-            next: (data: PagedHttpResponseEnvelope<ClientDTO>) => {
+            next: (data: PagedHttpResponseEnvelope<ClientOverview>) => {
                 this.clients = data.result;
                 if (data.pagination) {
                     this.totalRecords = data.pagination.totalRecords!;
@@ -143,7 +143,7 @@ export class ClientListComponent {
         this.selection.select(...this.clients);
     }
 
-    public checkboxLabel(index?: number, row?: ClientDTO): string {
+    public checkboxLabel(index?: number, row?: ClientOverview): string {
         if (!row || !index) {
             return `${this.isAllSelected() ? "deselect" : "select"} all`;
         }
diff --git a/AdminUi/src/AdminUi/ClientApp/src/app/services/client-service/client-service.ts b/AdminUi/src/AdminUi/ClientApp/src/app/services/client-service/client-service.ts
index ef92fd2d59..665b162b65 100644
--- a/AdminUi/src/AdminUi/ClientApp/src/app/services/client-service/client-service.ts
+++ b/AdminUi/src/AdminUi/ClientApp/src/app/services/client-service/client-service.ts
@@ -14,16 +14,16 @@ export class ClientServiceService {
         this.apiUrl = `${environment.apiUrl}/Clients`;
     }
 
-    public getClientById(id: string): Observable<HttpResponseEnvelope<ClientDTO>> {
-        return this.http.get<HttpResponseEnvelope<ClientDTO>>(`${this.apiUrl}/${id}`);
+    public getClientById(id: string): Observable<HttpResponseEnvelope<Client>> {
+        return this.http.get<HttpResponseEnvelope<Client>>(`${this.apiUrl}/${id}`);
     }
 
-    public getClients(pageNumber: number, pageSize: number): Observable<PagedHttpResponseEnvelope<ClientDTO>> {
+    public getClients(pageNumber: number, pageSize: number): Observable<PagedHttpResponseEnvelope<ClientOverview>> {
         const httpOptions = {
             params: new HttpParams().set("PageNumber", pageNumber + 1).set("PageSize", pageSize)
         };
 
-        return this.http.get<PagedHttpResponseEnvelope<ClientDTO>>(this.apiUrl, httpOptions);
+        return this.http.get<PagedHttpResponseEnvelope<ClientOverview>>(this.apiUrl, httpOptions);
     }
 
     public createClient(client: Client): Observable<HttpResponseEnvelope<Client>> {
@@ -38,16 +38,17 @@ export class ClientServiceService {
         return this.http.patch<HttpResponseEnvelope<Client>>(`${this.apiUrl}/${clientId}/ChangeSecret`, request);
     }
 
-    public updateClient(clientId: string, request: UpdateClientRequest): Observable<HttpResponseEnvelope<ClientDTO>> {
-        return this.http.patch<HttpResponseEnvelope<ClientDTO>>(`${this.apiUrl}/${clientId}`, request);
+    public updateClient(clientId: string, request: UpdateClientRequest): Observable<HttpResponseEnvelope<Client>> {
+        return this.http.patch<HttpResponseEnvelope<Client>>(`${this.apiUrl}/${clientId}`, request);
     }
 }
 
-export interface ClientDTO {
+export interface ClientOverview {
     clientId: string;
     displayName?: string;
     defaultTier: string;
     createdAt: Date;
+    numberOfIdentities: number;
 }
 
 export interface Client {
diff --git a/AdminUi/src/AdminUi/Controllers/ClientsController.cs b/AdminUi/src/AdminUi/Controllers/ClientsController.cs
index 36a444b6cd..e378d64b22 100644
--- a/AdminUi/src/AdminUi/Controllers/ClientsController.cs
+++ b/AdminUi/src/AdminUi/Controllers/ClientsController.cs
@@ -1,16 +1,18 @@
-using Backbone.Modules.Devices.Application.Clients.Commands.ChangeClientSecret;
+using AdminUi.Infrastructure.DTOs;
+using AdminUi.Infrastructure.Persistence.Database;
+using Backbone.Modules.Devices.Application.Clients.Commands.ChangeClientSecret;
 using Backbone.Modules.Devices.Application.Clients.Commands.CreateClient;
 using Backbone.Modules.Devices.Application.Clients.Commands.DeleteClient;
 using Backbone.Modules.Devices.Application.Clients.Commands.UpdateClient;
 using Backbone.Modules.Devices.Application.Clients.DTOs;
 using Backbone.Modules.Devices.Application.Clients.Queries.GetClient;
-using Backbone.Modules.Devices.Application.Clients.Queries.ListClients;
 using Enmeshed.BuildingBlocks.API;
 using Enmeshed.BuildingBlocks.API.Mvc;
 using Enmeshed.BuildingBlocks.API.Mvc.ControllerAttributes;
 using MediatR;
 using Microsoft.AspNetCore.Authorization;
 using Microsoft.AspNetCore.Mvc;
+using Microsoft.EntityFrameworkCore;
 
 namespace AdminUi.Controllers;
 
@@ -18,15 +20,20 @@ namespace AdminUi.Controllers;
 [Authorize("ApiKey")]
 public class ClientsController : ApiControllerBase
 {
-    public ClientsController(IMediator mediator) : base(mediator) { }
+    private readonly AdminUiDbContext _adminUiDbContext;
+
+    public ClientsController(IMediator mediator, AdminUiDbContext adminUiDbContext) : base(mediator)
+    {
+        _adminUiDbContext = adminUiDbContext;
+    }
 
     [HttpGet]
-    [ProducesResponseType(typeof(HttpResponseEnvelopeResult<ListClientsResponse>), StatusCodes.Status200OK)]
+    [ProducesResponseType(typeof(HttpResponseEnvelopeResult<ClientOverview>), StatusCodes.Status200OK)]
     [ProducesResponseType(StatusCodes.Status404NotFound)]
     public async Task<IActionResult> GetAllClients(CancellationToken cancellationToken)
     {
-        var clients = await _mediator.Send(new ListClientsQuery(), cancellationToken);
-        return Ok(clients);
+        var clientOverviews = await _adminUiDbContext.ClientOverviews.ToListAsync(cancellationToken);
+        return Ok(clientOverviews);
     }
 
     [HttpGet("{id}")]
diff --git a/AdminUi/test/AdminUi.Tests.Integration/API/ClientsApi.cs b/AdminUi/test/AdminUi.Tests.Integration/API/ClientsApi.cs
index d93b67fbd6..aa3319626f 100644
--- a/AdminUi/test/AdminUi.Tests.Integration/API/ClientsApi.cs
+++ b/AdminUi/test/AdminUi.Tests.Integration/API/ClientsApi.cs
@@ -7,9 +7,9 @@ public class ClientsApi : BaseApi
 {
     public ClientsApi(IOptions<HttpClientOptions> httpConfiguration, HttpClientFactory factory) : base(httpConfiguration, factory) { }
 
-    public async Task<HttpResponse<List<ClientDTO>>> GetAllClients(RequestConfiguration requestConfiguration)
+    public async Task<HttpResponse<List<ClientOverviewDTO>>> GetAllClients(RequestConfiguration requestConfiguration)
     {
-        return await Get<List<ClientDTO>>("/Clients", requestConfiguration);
+        return await Get<List<ClientOverviewDTO>>("/Clients", requestConfiguration);
     }
 
     public async Task<HttpResponse<ClientDTO>> GetClient(string clientId, RequestConfiguration requestConfiguration)
diff --git a/AdminUi/test/AdminUi.Tests.Integration/Features/Clients/GET.feature b/AdminUi/test/AdminUi.Tests.Integration/Features/Clients/GET.feature
index 2b7916e7d3..071c48d364 100644
--- a/AdminUi/test/AdminUi.Tests.Integration/Features/Clients/GET.feature
+++ b/AdminUi/test/AdminUi.Tests.Integration/Features/Clients/GET.feature
@@ -1,9 +1,9 @@
-@Integration
+@Integration
 Feature: GET Clients
 
-User requests a Client List
+User requests a Client Overview List
 
-Scenario: Requesting an Client List
+Scenario: Requesting a list of existing Clients
 	When a GET request is sent to the /Clients endpoint
 	Then the response status code is 200 (OK)
 	And the response contains a paginated list of Clients
diff --git a/AdminUi/test/AdminUi.Tests.Integration/Models/ClientOverviewDTO.cs b/AdminUi/test/AdminUi.Tests.Integration/Models/ClientOverviewDTO.cs
new file mode 100644
index 0000000000..e9207ab67a
--- /dev/null
+++ b/AdminUi/test/AdminUi.Tests.Integration/Models/ClientOverviewDTO.cs
@@ -0,0 +1,8 @@
+namespace AdminUi.Tests.Integration.Models;
+public class ClientOverviewDTO
+{
+    public string ClientId { get; set; }
+    public string DisplayName { get; set; }
+    public string DefaultTier { get; set; }
+    public int NumberOfIdentities { get; set; }
+}
diff --git a/AdminUi/test/AdminUi.Tests.Integration/StepDefinitions/ClientsStepDefinitions.cs b/AdminUi/test/AdminUi.Tests.Integration/StepDefinitions/ClientsStepDefinitions.cs
index f084eef76c..7f7bc87502 100644
--- a/AdminUi/test/AdminUi.Tests.Integration/StepDefinitions/ClientsStepDefinitions.cs
+++ b/AdminUi/test/AdminUi.Tests.Integration/StepDefinitions/ClientsStepDefinitions.cs
@@ -18,7 +18,7 @@ public class ClientsStepDefinitions : BaseStepDefinitions
     private string _tierId;
     private string _tier1Id;
     private string _tier2Id;
-    private HttpResponse<List<ClientDTO>>? _getClientsResponse;
+    private HttpResponse<List<ClientOverviewDTO>>? _getClientsResponse;
     private readonly HttpResponse<ClientDTO>? _getClientResponse;
     private readonly HttpResponse<CreateClientResponse>? _createClientResponse;
     private HttpResponse<ChangeClientSecretResponse>? _changeClientSecretResponse;