diff --git a/Portfolio.Application/Portfolio.Application.csproj b/Portfolio.Application/Portfolio.Application.csproj
new file mode 100644
index 0000000..afb0ea7
--- /dev/null
+++ b/Portfolio.Application/Portfolio.Application.csproj
@@ -0,0 +1,13 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\Portfolio.Domain\Portfolio.Domain.csproj" />
+  </ItemGroup>
+
+</Project>
diff --git a/Portfolio.Domain/Portfolio.Domain.csproj b/Portfolio.Domain/Portfolio.Domain.csproj
new file mode 100644
index 0000000..fa71b7a
--- /dev/null
+++ b/Portfolio.Domain/Portfolio.Domain.csproj
@@ -0,0 +1,9 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>
diff --git a/Portfolio.WebUI.Server/Portfolio.WebUI.Server.csproj b/Portfolio.WebUI.Server/Portfolio.WebUI.Server.csproj
index 1b28a01..d61bb2c 100644
--- a/Portfolio.WebUI.Server/Portfolio.WebUI.Server.csproj
+++ b/Portfolio.WebUI.Server/Portfolio.WebUI.Server.csproj
@@ -6,4 +6,8 @@
     <ImplicitUsings>enable</ImplicitUsings>
   </PropertyGroup>
 
+  <ItemGroup>
+    <ProjectReference Include="..\Portfolio.Application\Portfolio.Application.csproj" />
+  </ItemGroup>
+
 </Project>
diff --git a/Portfolio.sln b/Portfolio.sln
index 97e72c4..bfb8575 100644
--- a/Portfolio.sln
+++ b/Portfolio.sln
@@ -7,6 +7,10 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "src", "src", "{491A0B76-7D9
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "Portfolio.WebUI.Server", "Portfolio.WebUI.Server\Portfolio.WebUI.Server.csproj", "{334A4A79-9DF9-4FAD-9B06-B2FA02443620}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Portfolio.Domain", "Portfolio.Domain\Portfolio.Domain.csproj", "{48065C06-C40E-4A69-B013-8DF2D266D7CF}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Portfolio.Application", "Portfolio.Application\Portfolio.Application.csproj", "{24C9C19A-22CE-4E7B-A393-7423A471513E}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -17,12 +21,22 @@ Global
 		{334A4A79-9DF9-4FAD-9B06-B2FA02443620}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{334A4A79-9DF9-4FAD-9B06-B2FA02443620}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{334A4A79-9DF9-4FAD-9B06-B2FA02443620}.Release|Any CPU.Build.0 = Release|Any CPU
+		{48065C06-C40E-4A69-B013-8DF2D266D7CF}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{48065C06-C40E-4A69-B013-8DF2D266D7CF}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{48065C06-C40E-4A69-B013-8DF2D266D7CF}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{48065C06-C40E-4A69-B013-8DF2D266D7CF}.Release|Any CPU.Build.0 = Release|Any CPU
+		{24C9C19A-22CE-4E7B-A393-7423A471513E}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{24C9C19A-22CE-4E7B-A393-7423A471513E}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{24C9C19A-22CE-4E7B-A393-7423A471513E}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{24C9C19A-22CE-4E7B-A393-7423A471513E}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
 	EndGlobalSection
 	GlobalSection(NestedProjects) = preSolution
 		{334A4A79-9DF9-4FAD-9B06-B2FA02443620} = {491A0B76-7D94-42C5-BD6B-F90036F33A04}
+		{48065C06-C40E-4A69-B013-8DF2D266D7CF} = {491A0B76-7D94-42C5-BD6B-F90036F33A04}
+		{24C9C19A-22CE-4E7B-A393-7423A471513E} = {491A0B76-7D94-42C5-BD6B-F90036F33A04}
 	EndGlobalSection
 	GlobalSection(ExtensibilityGlobals) = postSolution
 		SolutionGuid = {9BE77343-6369-422B-B64A-32CF27B8D257}