diff --git a/src/models/creation/CreateRunnerGroup.ts b/src/models/creation/CreateRunnerGroup.ts
new file mode 100644
index 0000000..33cb5a9
--- /dev/null
+++ b/src/models/creation/CreateRunnerGroup.ts
@@ -0,0 +1,30 @@
+import { IsNotEmpty, IsObject, IsOptional, IsString } from 'class-validator';
+import { GroupContact } from '../entities/GroupContact';
+
+export abstract class CreateRunnerGroup {
+    /**
+     * The group's name.
+     */
+    @IsNotEmpty()
+    @IsString()
+    name: string;
+
+    /**
+     * The group's contact.
+     * Optional
+     */
+    @IsObject()
+    @IsOptional()
+    contact?: GroupContact;
+
+    /**
+     * Deals with the contact for groups this.
+     */
+    public async getContact(): Promise<GroupContact> {
+        let newGroupContact: GroupContact;
+
+        //TODO:
+
+        return newGroupContact;
+    }
+}
\ No newline at end of file
diff --git a/src/models/creation/CreateRunnerOrganisation.ts b/src/models/creation/CreateRunnerOrganisation.ts
index ff4ec65..b90162d 100644
--- a/src/models/creation/CreateRunnerOrganisation.ts
+++ b/src/models/creation/CreateRunnerOrganisation.ts
@@ -1,13 +1,47 @@
-import { IsNotEmpty, IsString } from 'class-validator';
+import { IsInt, IsObject, IsOptional } from 'class-validator';
+import { getConnectionManager } from 'typeorm';
+import { ParticipantOnlyOneAddressAllowedError } from '../../errors/ParticipantErrors';
+import { Address } from '../entities/Address';
 import { RunnerOrganisation } from '../entities/RunnerOrganisation';
+import { CreateAddress } from './CreateAddress';
+import { CreateRunnerGroup } from './CreateRunnerGroup';
 
-export class CreateRunnerOrganisation {
+export class CreateRunnerOrganisation extends CreateRunnerGroup {
     /**
-     * The Organisation's name.
+     * The new participant's address's id.
+     * Optional - please provide either addressId or address.
      */
-    @IsString()
-    @IsNotEmpty()
-    name: string;
+    @IsInt()
+    @IsOptional()
+    addressId?: number;
+
+    /**
+     * The new participant's address.
+     * Optional - please provide either addressId or address.
+     */
+    @IsObject()
+    @IsOptional()
+    address?: CreateAddress;
+
+    /**
+     * Creates a Participant entity from this.
+     */
+    public async getAddress(): Promise<Address> {
+        let address: Address;
+
+        if (this.addressId !== undefined && this.address !== undefined) {
+            throw new ParticipantOnlyOneAddressAllowedError
+        }
+        if (this.addressId === undefined && this.address === undefined) {
+            return null;
+        }
+
+        if (this.addressId) {
+            return await getConnectionManager().get().getRepository(Address).findOne({ id: this.addressId });
+        }
+
+        return this.address.toAddress();
+    }
 
     /**
      * Creates a RunnerOrganisation entity from this.
@@ -16,6 +50,8 @@ export class CreateRunnerOrganisation {
         let newRunnerOrganisation: RunnerOrganisation = new RunnerOrganisation();
 
         newRunnerOrganisation.name = this.name;
+        newRunnerOrganisation.contact = await this.getContact();
+        newRunnerOrganisation.address = await this.getAddress();
 
         return newRunnerOrganisation;
     }