diff --git a/SecuritySystem/SecuritySystem.sln b/SecuritySystem/SecuritySystem.sln
index 44e590e..c4ffe5b 100644
--- a/SecuritySystem/SecuritySystem.sln
+++ b/SecuritySystem/SecuritySystem.sln
@@ -5,6 +5,10 @@ VisualStudioVersion = 17.6.33815.320
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SecuritySystemView", "SecuritySystemView\SecuritySystemView.csproj", "{B4D0310E-1162-4BCF-A7E0-2AC41959C963}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SecuritySystemDataModels", "SecuritySystemDataModels\SecuritySystemDataModels.csproj", "{37DD658F-D5C0-4C97-A83D-A21EE0076C55}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SecuritySystemContracts", "SecuritySystemContracts\SecuritySystemContracts.csproj", "{0737BCB2-EEDB-44A4-8BD2-5B5EA689A7FF}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -15,6 +19,14 @@ Global
 		{B4D0310E-1162-4BCF-A7E0-2AC41959C963}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{B4D0310E-1162-4BCF-A7E0-2AC41959C963}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{B4D0310E-1162-4BCF-A7E0-2AC41959C963}.Release|Any CPU.Build.0 = Release|Any CPU
+		{37DD658F-D5C0-4C97-A83D-A21EE0076C55}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{37DD658F-D5C0-4C97-A83D-A21EE0076C55}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{37DD658F-D5C0-4C97-A83D-A21EE0076C55}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{37DD658F-D5C0-4C97-A83D-A21EE0076C55}.Release|Any CPU.Build.0 = Release|Any CPU
+		{0737BCB2-EEDB-44A4-8BD2-5B5EA689A7FF}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{0737BCB2-EEDB-44A4-8BD2-5B5EA689A7FF}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{0737BCB2-EEDB-44A4-8BD2-5B5EA689A7FF}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{0737BCB2-EEDB-44A4-8BD2-5B5EA689A7FF}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE
diff --git a/SecuritySystem/SecuritySystemContracts/SecuritySystemContracts.csproj b/SecuritySystem/SecuritySystemContracts/SecuritySystemContracts.csproj
new file mode 100644
index 0000000..0237985
--- /dev/null
+++ b/SecuritySystem/SecuritySystemContracts/SecuritySystemContracts.csproj
@@ -0,0 +1,17 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <Folder Include="BindingModels\" />
+    <Folder Include="SearchModels\" />
+    <Folder Include="ViewModels\" />
+    <Folder Include="BusinessLogicsContracts\" />
+    <Folder Include="StoragesContracts\" />
+  </ItemGroup>
+
+</Project>
diff --git a/SecuritySystem/SecuritySystemDataModels/Enums/OrderStatus.cs b/SecuritySystem/SecuritySystemDataModels/Enums/OrderStatus.cs
new file mode 100644
index 0000000..c423671
--- /dev/null
+++ b/SecuritySystem/SecuritySystemDataModels/Enums/OrderStatus.cs
@@ -0,0 +1,11 @@
+namespace SecuritySystemDataModels.Enums
+{
+    public enum OrderStatus
+    {
+        Неизвестен = -1,
+        Принят = 0,
+        Выполняется = 1,
+        Готов = 2,
+        Выдан = 3
+    }
+}
diff --git a/SecuritySystem/SecuritySystemDataModels/IId.cs b/SecuritySystem/SecuritySystemDataModels/IId.cs
new file mode 100644
index 0000000..aa1a466
--- /dev/null
+++ b/SecuritySystem/SecuritySystemDataModels/IId.cs
@@ -0,0 +1,7 @@
+namespace SecuritySystemDataModels
+{
+    public interface IId
+    {
+        int Id { get; }
+    }
+}
diff --git a/SecuritySystem/SecuritySystemDataModels/Models/IComponentModel.cs b/SecuritySystem/SecuritySystemDataModels/Models/IComponentModel.cs
new file mode 100644
index 0000000..56c0829
--- /dev/null
+++ b/SecuritySystem/SecuritySystemDataModels/Models/IComponentModel.cs
@@ -0,0 +1,8 @@
+namespace SecuritySystemDataModels.Models
+{
+    public interface IComponentModel : IId
+    {
+        string ComponentName { get; }
+        double Cost { get; }
+    }
+}
diff --git a/SecuritySystem/SecuritySystemDataModels/Models/IOrderModel.cs b/SecuritySystem/SecuritySystemDataModels/Models/IOrderModel.cs
new file mode 100644
index 0000000..c6fd126
--- /dev/null
+++ b/SecuritySystem/SecuritySystemDataModels/Models/IOrderModel.cs
@@ -0,0 +1,14 @@
+using SecuritySystemDataModels.Enums;
+
+namespace SecuritySystemDataModels.Models
+{
+    public interface IOrderModel : IId
+    {
+        int SecureId { get; }
+        int Count { get; }
+        double Sum { get; }
+        OrderStatus Status { get; }
+        DateTime DateCreate { get; }
+        DateTime? DateImplement { get; }
+    }
+}
diff --git a/SecuritySystem/SecuritySystemDataModels/Models/ISecureModel.cs b/SecuritySystem/SecuritySystemDataModels/Models/ISecureModel.cs
new file mode 100644
index 0000000..50588c7
--- /dev/null
+++ b/SecuritySystem/SecuritySystemDataModels/Models/ISecureModel.cs
@@ -0,0 +1,9 @@
+namespace SecuritySystemDataModels.Models
+{
+    public interface ISecureModel : IId
+    {
+        string SecureName { get; }
+        double Price { get; }
+        Dictionary<int, (IComponentModel, int)> SecureComponents { get; }
+    }
+}
diff --git a/SecuritySystem/SecuritySystemDataModels/SecuritySystemDataModels.csproj b/SecuritySystem/SecuritySystemDataModels/SecuritySystemDataModels.csproj
new file mode 100644
index 0000000..132c02c
--- /dev/null
+++ b/SecuritySystem/SecuritySystemDataModels/SecuritySystemDataModels.csproj
@@ -0,0 +1,9 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>