diff --git a/Storehouse/StorehouseBusinessLogics/BusinessLogics/ClientLogic.cs b/Storehouse/StorehouseBusinessLogics/BusinessLogics/ClientLogic.cs
new file mode 100644
index 0000000..4615cd1
--- /dev/null
+++ b/Storehouse/StorehouseBusinessLogics/BusinessLogics/ClientLogic.cs
@@ -0,0 +1,116 @@
+using StorehouseContracts.BindingModels;
+using StorehouseContracts.BusinessLogicsContracts;
+using StorehouseContracts.SearchModels;
+using StorehouseContracts.StoragesContracts;
+using StorehouseContracts.ViewModels;
+using Microsoft.Extensions.Logging;
+
+namespace StorehouseBusinessLogics.BusinessLogics
+{
+	public class ClientLogic : IClientLogic
+	{
+		private readonly ILogger _logger;
+		private readonly IClientStorage _clientStorage;
+		public ClientLogic(ILogger<ClientLogic> logger, IClientStorage clientStorage)
+		{
+			_logger = logger;
+			_clientStorage = clientStorage;
+		}
+
+		public bool Create(ClientBindingModel model)
+		{
+			CheckModel(model);
+			if (_clientStorage.Insert(model) == null)
+			{
+				_logger.LogWarning("Insert operation failed");
+				return false;
+			}
+			return true;
+		}
+		public bool Update(ClientBindingModel model)
+		{
+			CheckModel(model);
+			if (_clientStorage.Update(model) == null)
+			{
+				_logger.LogWarning("Update operation failed");
+				return false;
+			}
+			return true;
+		}
+
+		public bool Delete(ClientBindingModel model)
+		{
+			CheckModel(model, false);
+			_logger.LogInformation("Delete. Id:{Id}", model.Id);
+			if (_clientStorage.Delete(model) == null)
+			{
+				_logger.LogWarning("Delete operation failed");
+				return false;
+			}
+			return true;
+		}
+
+		public ClientViewModel? ReadElement(ClientSearchModel model)
+		{
+			if (model == null)
+			{
+				throw new ArgumentNullException(nameof(model));
+			}
+			_logger.LogInformation("ReadElement. Email:{Email}.Id:{ Id}", model.Email, model.Id);
+			var element = _clientStorage.GetElement(model);
+			if (element == null)
+			{
+				_logger.LogWarning("ReadElement element not found");
+				return null;
+			}
+			_logger.LogInformation("ReadElement find. Id:{Id}", element.Id);
+			return element;
+		}
+
+		public List<ClientViewModel>? ReadList(ClientSearchModel? model)
+		{
+			_logger.LogInformation("ReadList. Email:{Email}.Id:{ Id} ", model?.Email, model?.Id);
+			var list = (model == null) ? _clientStorage.GetFullList() : _clientStorage.GetFilteredList(model);
+			if (list == null)
+			{
+				_logger.LogWarning("ReadList return null list");
+				return null;
+			}
+			_logger.LogInformation("ReadList. Count:{Count}", list.Count);
+			return list;
+		}
+
+		private void CheckModel(ClientBindingModel model, bool withParams = true)
+		{
+			if (model == null)
+			{
+				throw new ArgumentNullException(nameof(model));
+			}
+			if (!withParams)
+			{
+				return;
+			}
+			if (string.IsNullOrEmpty(model.ClientFIO))
+			{
+				throw new ArgumentNullException("Нет ФИО клиента", nameof(model.ClientFIO));
+			}
+			if (string.IsNullOrEmpty(model.Email))
+			{
+				throw new ArgumentNullException("Нет логина(почты) клиента", nameof(model.Email));
+			}
+			if (string.IsNullOrEmpty(model.Password))
+			{
+				throw new ArgumentNullException("Нет пароля клиента", nameof(model.Password));
+			}
+			_logger.LogInformation("Client. Id: {Id}, FIO: {fio}, email: {email}", model.Id, model.ClientFIO, model.Email);
+			var element = _clientStorage.GetElement(new ClientSearchModel
+			{
+				Email = model.Email,
+			});
+			if (element != null && element.Id != model.Id)
+			{
+				throw new InvalidOperationException("Клиент с таким логином(почтой) уже есть");
+			}
+		}
+	}
+}
diff --git a/Storehouse/StorehouseBusinessLogics/BusinessLogics/ProductLogic.cs b/Storehouse/StorehouseBusinessLogics/BusinessLogics/ProductLogic.cs
new file mode 100644
index 0000000..3590570
--- /dev/null
+++ b/Storehouse/StorehouseBusinessLogics/BusinessLogics/ProductLogic.cs
@@ -0,0 +1,110 @@
+using Microsoft.Extensions.Logging;
+using StorehouseContracts.BindingModels;
+using StorehouseContracts.BusinessLogicsContracts;
+using StorehouseContracts.SearchModels;
+using StorehouseContracts.StoragesContracts;
+using StorehouseContracts.ViewModels;
+
+namespace StorehouseBusinessLogics.BusinessLogics
+{
+	public class ProductLogic : IProductLogic
+	{
+		private readonly ILogger _logger;
+		private readonly IProductStorage _productStorage;
+		public ProductLogic(ILogger<ProductLogic> logger, IProductStorage productStorage)
+		{
+			_logger = logger;
+			_productStorage = productStorage;
+		}
+		public bool Create(ProductBindingModel model)
+		{
+			CheckModel(model);
+			if (_productStorage.Insert(model) == null)
+			{
+				_logger.LogWarning("Insert operation failed");
+				return false;
+			}
+			return true;
+		}
+		public bool Update(ProductBindingModel model)
+		{
+			CheckModel(model);
+			if (_productStorage.Update(model) == null)
+			{
+				_logger.LogWarning("Update operation failed");
+				return false;
+			}
+			return true;
+		}
+		public bool Delete(ProductBindingModel model)
+		{
+			CheckModel(model, false);
+			_logger.LogInformation("Delete. Id:{Id}", model.Id);
+			if (_productStorage.Delete(model) == null)
+			{
+				_logger.LogWarning("Delete operation failed");
+				return false;
+			}
+			return true;
+		}
+		public ProductViewModel? ReadElement(ProductSearchModel model)
+		{
+			if (model == null)
+			{
+				throw new ArgumentNullException(nameof(model));
+			}
+			_logger.LogInformation("ReadElement. Id:{ Id}. ProductName:{ ProductName} ", model.Id, model.ProductName);
+			var element = _productStorage.GetElement(model);
+			if (element == null)
+			{
+				_logger.LogWarning("ReadElement element not found");
+				return null;
+			}
+			_logger.LogInformation("ReadElement find. Id:{Id}", element.Id);
+			return element;
+		}
+		public List<ProductViewModel>? ReadList(ProductSearchModel? model)
+		{
+			_logger.LogInformation("ReadList. Id:{ Id}. ProductName:{ ProductName} ", model?.Id, model?.ProductName);
+			var list = (model == null) ? _productStorage.GetFullList() : _productStorage.GetFilteredList(model);
+			if (list == null)
+			{
+				_logger.LogWarning("ReadList return null list");
+				return null;
+			}
+			_logger.LogInformation("ReadList. Count:{Count}", list.Count);
+			return list;
+		}
+		private void CheckModel(ProductBindingModel model, bool withParams = true) 
+		{
+			if (model == null)
+			{
+				throw new ArgumentNullException(nameof(model));
+			}
+			if (!withParams)
+			{
+				return;
+			}
+			if (string.IsNullOrEmpty(model.ProductName))
+			{
+				throw new ArgumentNullException("Нет названия продукта", nameof(model.ProductName));
+			}
+			if (model.ProductNum <= 0)
+			{
+				throw new ArgumentNullException("Количество элементов должно быть больше 0", nameof(model.ProductNum));
+			}
+			if (string.IsNullOrEmpty(model.Password))
+			{
+				throw new ArgumentNullException("Нет пароля клиента", nameof(model.Password));
+			}
+			_logger.LogInformation("Client. Id: {Id}, FIO: {fio}, email: {email}", model.Id, model.ClientFIO, model.Email);
+			var element = _clientStorage.GetElement(new ClientSearchModel
+			{
+				Email = model.Email,
+			});
+			if (element != null && element.Id != model.Id)
+			{
+
+			}
+		}
+}
diff --git a/Storehouse/StorehouseBusinessLogics/BusinessLogics/ProviderLogic.cs b/Storehouse/StorehouseBusinessLogics/BusinessLogics/ProviderLogic.cs
new file mode 100644
index 0000000..3c36c7e
--- /dev/null
+++ b/Storehouse/StorehouseBusinessLogics/BusinessLogics/ProviderLogic.cs
@@ -0,0 +1,12 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace StorehouseBusinessLogics.BusinessLogics
+{
+	internal class ProviderLogic
+	{
+	}
+}
diff --git a/Storehouse/StorehouseBusinessLogics/BusinessLogics/SaleLogic.cs b/Storehouse/StorehouseBusinessLogics/BusinessLogics/SaleLogic.cs
new file mode 100644
index 0000000..2f429a5
--- /dev/null
+++ b/Storehouse/StorehouseBusinessLogics/BusinessLogics/SaleLogic.cs
@@ -0,0 +1,12 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace StorehouseBusinessLogics.BusinessLogics
+{
+	internal class SaleLogic
+	{
+	}
+}
diff --git a/Storehouse/StorehouseBusinessLogics/BusinessLogics/SupplyLogic.cs b/Storehouse/StorehouseBusinessLogics/BusinessLogics/SupplyLogic.cs
new file mode 100644
index 0000000..f955710
--- /dev/null
+++ b/Storehouse/StorehouseBusinessLogics/BusinessLogics/SupplyLogic.cs
@@ -0,0 +1,12 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace StorehouseBusinessLogics.BusinessLogics
+{
+	internal class SupplyLogic
+	{
+	}
+}
diff --git a/Storehouse/StorehouseBusinessLogics/StorehouseBusinessLogics.csproj b/Storehouse/StorehouseBusinessLogics/StorehouseBusinessLogics.csproj
index 132c02c..d75e7de 100644
--- a/Storehouse/StorehouseBusinessLogics/StorehouseBusinessLogics.csproj
+++ b/Storehouse/StorehouseBusinessLogics/StorehouseBusinessLogics.csproj
@@ -6,4 +6,13 @@
     <Nullable>enable</Nullable>
   </PropertyGroup>
 
+  <ItemGroup>
+    <PackageReference Include="Microsoft.Extensions.Logging" Version="8.0.0" />
+  </ItemGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\StorehouseContracts\StorehouseContracts.csproj" />
+    <ProjectReference Include="..\StorehouseDataModels\StorehouseDataModels.csproj" />
+  </ItemGroup>
+
 </Project>
diff --git a/Storehouse/StorehouseContracts/BindingModels/ProductBindingModel.cs b/Storehouse/StorehouseContracts/BindingModels/ProductBindingModel.cs
index 193b519..73f5b8c 100644
--- a/Storehouse/StorehouseContracts/BindingModels/ProductBindingModel.cs
+++ b/Storehouse/StorehouseContracts/BindingModels/ProductBindingModel.cs
@@ -8,6 +8,6 @@ namespace StorehouseContracts.BindingModels
 		public int Id { get; set; }
 		public string ProductName { get; set; } = string.Empty;
 		public int ProductNum { get; set; }
-		public ProductType ProductType { get; set; }
+		public ProductType ProductType { get; set; } = ProductType.Неизвестен;
 	}
 }