diff --git a/BeautySaloon/BeautySaloon.sln b/BeautySaloon/BeautySaloon.sln
index 366ad95..346cccf 100644
--- a/BeautySaloon/BeautySaloon.sln
+++ b/BeautySaloon/BeautySaloon.sln
@@ -5,6 +5,8 @@ VisualStudioVersion = 17.3.32929.385
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "BeautySaloonView", "BeautySaloonView\BeautySaloonView.csproj", "{4098AFA1-025D-4259-A4FD-4546A533DE60}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "BeautySaloonDataModels", "BeautySaloonDataModels\BeautySaloonDataModels.csproj", "{A83AC6FD-F6BD-4BD2-AC69-3BB5BA30FF7D}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -15,6 +17,10 @@ Global
 		{4098AFA1-025D-4259-A4FD-4546A533DE60}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{4098AFA1-025D-4259-A4FD-4546A533DE60}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{4098AFA1-025D-4259-A4FD-4546A533DE60}.Release|Any CPU.Build.0 = Release|Any CPU
+		{A83AC6FD-F6BD-4BD2-AC69-3BB5BA30FF7D}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{A83AC6FD-F6BD-4BD2-AC69-3BB5BA30FF7D}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{A83AC6FD-F6BD-4BD2-AC69-3BB5BA30FF7D}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{A83AC6FD-F6BD-4BD2-AC69-3BB5BA30FF7D}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
diff --git a/BeautySaloon/BeautySaloonDataModels/BeautySaloonDataModels.csproj b/BeautySaloon/BeautySaloonDataModels/BeautySaloonDataModels.csproj
new file mode 100644
index 0000000..27ac386
--- /dev/null
+++ b/BeautySaloon/BeautySaloonDataModels/BeautySaloonDataModels.csproj
@@ -0,0 +1,9 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>
diff --git a/BeautySaloon/BeautySaloonDataModels/Models/IClientModel.cs b/BeautySaloon/BeautySaloonDataModels/Models/IClientModel.cs
new file mode 100644
index 0000000..f7385c4
--- /dev/null
+++ b/BeautySaloon/BeautySaloonDataModels/Models/IClientModel.cs
@@ -0,0 +1,12 @@
+namespace BeautySaloonDataModels.Models
+{
+    public interface IClientModel
+    {
+        int Id { get; }
+        string Name { get; }
+        string Surname { get; }
+        string Patronymic { get; }
+        string Phone { get; }
+        List<IOrderModel> Orders { get; }
+    }
+}
diff --git a/BeautySaloon/BeautySaloonDataModels/Models/IEmployeeModel.cs b/BeautySaloon/BeautySaloonDataModels/Models/IEmployeeModel.cs
new file mode 100644
index 0000000..2893bb5
--- /dev/null
+++ b/BeautySaloon/BeautySaloonDataModels/Models/IEmployeeModel.cs
@@ -0,0 +1,12 @@
+namespace BeautySaloonDataModels.Models
+{
+    public interface IEmployeeModel
+    {
+        int Id { get; }
+        string Name { get; }
+        string Surname { get; }
+        string Patronymic { get; }
+        string Phone { get; }
+        int PositionId { get; }
+    }
+}
diff --git a/BeautySaloon/BeautySaloonDataModels/Models/IOrderModel.cs b/BeautySaloon/BeautySaloonDataModels/Models/IOrderModel.cs
new file mode 100644
index 0000000..a4ec9a0
--- /dev/null
+++ b/BeautySaloon/BeautySaloonDataModels/Models/IOrderModel.cs
@@ -0,0 +1,11 @@
+namespace BeautySaloonDataModels.Models
+{
+    public interface IOrderModel
+    {
+        int Id { get; }
+        DateTime Date { get; }
+        double Sum { get; }
+        int ClientId { get; }
+        Dictionary<IServiceModel, (IEmployeeModel, DateTime)> OrderServices { get; }
+    }
+}
diff --git a/BeautySaloon/BeautySaloonDataModels/Models/IPositionModel.cs b/BeautySaloon/BeautySaloonDataModels/Models/IPositionModel.cs
new file mode 100644
index 0000000..b712b80
--- /dev/null
+++ b/BeautySaloon/BeautySaloonDataModels/Models/IPositionModel.cs
@@ -0,0 +1,8 @@
+namespace BeautySaloonDataModels.Models
+{
+    public interface IPositionModel 
+    {
+        int Id { get; }
+        string Name { get; }
+    }
+}
diff --git a/BeautySaloon/BeautySaloonDataModels/Models/IServiceModel.cs b/BeautySaloon/BeautySaloonDataModels/Models/IServiceModel.cs
new file mode 100644
index 0000000..54801f8
--- /dev/null
+++ b/BeautySaloon/BeautySaloonDataModels/Models/IServiceModel.cs
@@ -0,0 +1,9 @@
+namespace BeautySaloonDataModels.Models
+{
+    public interface IServiceModel
+    {
+        int Id { get; }
+        string Name { get; }
+        double Price { get; }
+    }
+}