diff --git a/api/FilterLists.Api/Controllers/ListsController.cs b/api/FilterLists.Api/Controllers/ListsController.cs
index 673fd8e47..383fe0eca 100644
--- a/api/FilterLists.Api/Controllers/ListsController.cs
+++ b/api/FilterLists.Api/Controllers/ListsController.cs
@@ -1,4 +1,5 @@
 using FilterLists.Services;
+using FilterLists.Services.Contracts;
 using Microsoft.AspNetCore.Mvc;
 
 namespace FilterLists.Api.Controllers
diff --git a/api/FilterLists.Api/FilterLists.Api.csproj b/api/FilterLists.Api/FilterLists.Api.csproj
index 987954ede..ca5919255 100644
--- a/api/FilterLists.Api/FilterLists.Api.csproj
+++ b/api/FilterLists.Api/FilterLists.Api.csproj
@@ -25,6 +25,7 @@
   </ItemGroup>
   <ItemGroup>
     <ProjectReference Include="..\FilterLists.Data\FilterLists.Data.csproj" />
+    <ProjectReference Include="..\FilterLists.Services.Contracts\FilterLists.Services.Contracts.csproj" />
     <ProjectReference Include="..\FilterLists.Services\FilterLists.Services.csproj" />
   </ItemGroup>
   <ItemGroup>
diff --git a/api/FilterLists.Data.Tests/FilterLists.Data.Tests.csproj b/api/FilterLists.Data.Tests/FilterLists.Data.Tests.csproj
index f03259659..d4939c470 100644
--- a/api/FilterLists.Data.Tests/FilterLists.Data.Tests.csproj
+++ b/api/FilterLists.Data.Tests/FilterLists.Data.Tests.csproj
@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>    
     <TargetFramework>netcoreapp1.1</TargetFramework>
@@ -10,4 +10,8 @@
     <PackageReference Include="xunit.runner.visualstudio" Version="2.2.0" />
   </ItemGroup>
 
+  <ItemGroup>
+    <Service Include="{82a7f48d-3b50-4b1e-b82e-3ada8210c358}" />
+  </ItemGroup>
+
 </Project>
diff --git a/api/FilterLists.Services.Contracts/FilterLists.Services.Contracts.csproj b/api/FilterLists.Services.Contracts/FilterLists.Services.Contracts.csproj
new file mode 100644
index 000000000..5784fbcc0
--- /dev/null
+++ b/api/FilterLists.Services.Contracts/FilterLists.Services.Contracts.csproj
@@ -0,0 +1,11 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>netcoreapp1.1</TargetFramework>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\FilterLists.Models\FilterLists.Models.csproj" />
+  </ItemGroup>
+
+</Project>
\ No newline at end of file
diff --git a/api/FilterLists.Services/IListService.cs b/api/FilterLists.Services.Contracts/IListService.cs
similarity index 78%
rename from api/FilterLists.Services/IListService.cs
rename to api/FilterLists.Services.Contracts/IListService.cs
index 32f4d14db..4aa375cd6 100644
--- a/api/FilterLists.Services/IListService.cs
+++ b/api/FilterLists.Services.Contracts/IListService.cs
@@ -1,7 +1,7 @@
 using System.Collections.Generic;
 using FilterLists.Models;
 
-namespace FilterLists.Services
+namespace FilterLists.Services.Contracts
 {
     public interface IListService
     {
diff --git a/api/FilterLists.Services.Tests/FilterLists.Services.Tests.csproj b/api/FilterLists.Services.Tests/FilterLists.Services.Tests.csproj
index f03259659..d4939c470 100644
--- a/api/FilterLists.Services.Tests/FilterLists.Services.Tests.csproj
+++ b/api/FilterLists.Services.Tests/FilterLists.Services.Tests.csproj
@@ -1,4 +1,4 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
   <PropertyGroup>    
     <TargetFramework>netcoreapp1.1</TargetFramework>
@@ -10,4 +10,8 @@
     <PackageReference Include="xunit.runner.visualstudio" Version="2.2.0" />
   </ItemGroup>
 
+  <ItemGroup>
+    <Service Include="{82a7f48d-3b50-4b1e-b82e-3ada8210c358}" />
+  </ItemGroup>
+
 </Project>
diff --git a/api/FilterLists.Services/DependencyInjection/Extensions/ConfigureServicesCollection.cs b/api/FilterLists.Services/DependencyInjection/Extensions/ConfigureServicesCollection.cs
index e13b3a29f..35a31d5fa 100644
--- a/api/FilterLists.Services/DependencyInjection/Extensions/ConfigureServicesCollection.cs
+++ b/api/FilterLists.Services/DependencyInjection/Extensions/ConfigureServicesCollection.cs
@@ -1,4 +1,5 @@
-using Microsoft.Extensions.DependencyInjection;
+using FilterLists.Services.Contracts;
+using Microsoft.Extensions.DependencyInjection;
 using Microsoft.Extensions.DependencyInjection.Extensions;
 
 namespace FilterLists.Services.DependencyInjection.Extensions
diff --git a/api/FilterLists.Services/FilterLists.Services.csproj b/api/FilterLists.Services/FilterLists.Services.csproj
index 0ed1882f3..ec2285ff8 100644
--- a/api/FilterLists.Services/FilterLists.Services.csproj
+++ b/api/FilterLists.Services/FilterLists.Services.csproj
@@ -11,6 +11,7 @@
   <ItemGroup>
     <ProjectReference Include="..\FilterLists.Data.Contracts\FilterLists.Data.Contracts.csproj" />
     <ProjectReference Include="..\FilterLists.Models\FilterLists.Models.csproj" />
+    <ProjectReference Include="..\FilterLists.Services.Contracts\FilterLists.Services.Contracts.csproj" />
   </ItemGroup>
 
 </Project>
\ No newline at end of file
diff --git a/api/FilterLists.Services/ListService.cs b/api/FilterLists.Services/ListService.cs
index 12f3bb81e..360ca3cdc 100644
--- a/api/FilterLists.Services/ListService.cs
+++ b/api/FilterLists.Services/ListService.cs
@@ -1,6 +1,7 @@
 using System.Collections.Generic;
 using FilterLists.Data.Contracts.Repositories;
 using FilterLists.Models;
+using FilterLists.Services.Contracts;
 
 namespace FilterLists.Services
 {
diff --git a/api/FilterLists.sln b/api/FilterLists.sln
index e14e4b761..8a1c727c2 100644
--- a/api/FilterLists.sln
+++ b/api/FilterLists.sln
@@ -17,6 +17,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "FilterLists.Services.Tests"
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "FilterLists.Data.Tests", "FilterLists.Data.Tests\FilterLists.Data.Tests.csproj", "{AE4E5758-92F3-4BFA-B71E-6A05F5E71FAC}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "FilterLists.Services.Contracts", "FilterLists.Services.Contracts\FilterLists.Services.Contracts.csproj", "{C001DB46-2DE7-40C1-B0F8-75E831C09E6C}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -51,6 +53,10 @@ Global
 		{AE4E5758-92F3-4BFA-B71E-6A05F5E71FAC}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{AE4E5758-92F3-4BFA-B71E-6A05F5E71FAC}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{AE4E5758-92F3-4BFA-B71E-6A05F5E71FAC}.Release|Any CPU.Build.0 = Release|Any CPU
+		{C001DB46-2DE7-40C1-B0F8-75E831C09E6C}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{C001DB46-2DE7-40C1-B0F8-75E831C09E6C}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{C001DB46-2DE7-40C1-B0F8-75E831C09E6C}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{C001DB46-2DE7-40C1-B0F8-75E831C09E6C}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE