diff --git a/test/test.ts b/test/test.ts
index 8aac4b4..9d88688 100644
--- a/test/test.ts
+++ b/test/test.ts
@@ -52,4 +52,14 @@ tap.test('should return a change Observable', async tools => {
   subscription.unsubscribe();
 });
 
+// SERVICES
+tap.test('should activate swarm mode', async () => {
+  await testDockerHost.activateSwarm();
+});
+
+tap.test('should list all services', async tools => {
+  const services = await docker.DockerService.getServices(testDockerHost);
+  console.log(services);
+});
+
 tap.start();
diff --git a/ts/docker.classes.host.ts b/ts/docker.classes.host.ts
index 2186479..a5d75cd 100644
--- a/ts/docker.classes.host.ts
+++ b/ts/docker.classes.host.ts
@@ -65,10 +65,10 @@ export class DockerHost {
   /**
    * activates docker swarm
    */
-  public async activateSwarm(addvertisementIpArg: string) {
+  public async activateSwarm(addvertisementIpArg?: string) {
     const response = await this.request('POST', '/swarm/init', {
       ListenAddr: '0.0.0.0:2377',
-      AdvertiseAddr: `${addvertisementIpArg}:2377`,
+      AdvertiseAddr: addvertisementIpArg ? `${addvertisementIpArg}:2377`: undefined,
       DataPathPort: 4789,
       DefaultAddrPool: ['10.10.0.0/8', '20.20.0.0/8'],
       SubnetSize: 24,
diff --git a/ts/docker.classes.service.ts b/ts/docker.classes.service.ts
index e1d76b3..b8009f1 100644
--- a/ts/docker.classes.service.ts
+++ b/ts/docker.classes.service.ts
@@ -3,4 +3,39 @@ import * as interfaces from './interfaces';
 
 import { DockerHost } from './docker.classes.host';
 
-export class DockerService {}
+export class DockerService {
+  // STATIC
+  public static async getServices(dockerHost: DockerHost) {
+    const services: DockerService[] = [];
+    const response = await dockerHost.request('GET', '/services');
+    for (const serviceObject of response.body) {
+      services.push(new DockerService(dockerHost, serviceObject));
+    }
+    return services;
+  }
+
+
+  /**
+   * creates a service
+   */
+  public static async createService(dockerHost: DockerHost, serviceCreationDescriptor: interfaces.IServiceCreationDescriptor) {
+    dockerHost.request('POST', '/services/create', {
+      Name: serviceCreationDescriptor.Name,
+      TaskTemplate: {
+        ContainerSpec: {
+          Image: serviceCreationDescriptor.Image,
+          Labels: serviceCreationDescriptor.Labels
+        }
+      },
+      Labels: serviceCreationDescriptor.Labels
+    });
+  }
+
+  // INSTANCE
+  public dockerHost: DockerHost;
+
+  constructor(dockerHostArg: DockerHost, serviceObject) {
+    this.dockerHost = dockerHostArg;
+    Object.assign(this, serviceObject);
+  }
+}
diff --git a/ts/interfaces/index.ts b/ts/interfaces/index.ts
index c309b1d..af9eddf 100644
--- a/ts/interfaces/index.ts
+++ b/ts/interfaces/index.ts
@@ -3,3 +3,5 @@ export * from './image';
 export * from './label';
 export * from './network';
 export * from './port';
+export * from './service';
+
diff --git a/ts/interfaces/service.ts b/ts/interfaces/service.ts
new file mode 100644
index 0000000..c0146b1
--- /dev/null
+++ b/ts/interfaces/service.ts
@@ -0,0 +1,7 @@
+import * as interfaces from './'
+
+export interface IServiceCreationDescriptor {
+  Name: string;
+  Image: string;
+  Labels: interfaces.TLabels;
+}
\ No newline at end of file