diff --git a/SecuritySystem/SecuritySystemBusinessLogic/BusinessLogics/ShopLogic.cs b/SecuritySystem/SecuritySystemBusinessLogic/BusinessLogics/ShopLogic.cs
new file mode 100644
index 0000000..e4ecee5
--- /dev/null
+++ b/SecuritySystem/SecuritySystemBusinessLogic/BusinessLogics/ShopLogic.cs
@@ -0,0 +1,178 @@
+using Microsoft.Extensions.Logging;
+using SecuritySystemContracts.BindingModels;
+using SecuritySystemContracts.BusinessLogicsContracts;
+using SecuritySystemContracts.SearchModels;
+using SecuritySystemContracts.StoragesContracts;
+using SecuritySystemContracts.ViewModels;
+using SecuritySystemDataModels.Models;
+
+namespace SecuritySystemBusinessLogic.BusinessLogics
+{
+    public class ShopLogic : IShopLogic
+    {
+        private readonly ILogger _logger;
+        private readonly IShopStorage _shopStorage;
+
+        public ShopLogic(ILogger<ShopLogic> logger, IShopStorage shopStorage)
+        {
+            _logger = logger;
+            _shopStorage = shopStorage;
+        }
+
+        public ShopViewModel? ReadElement(ShopSearchModel model)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+
+            _logger.LogInformation("ReadElement. Shop Name:{0}, ID:{1}", model.Name, model.Id);
+
+            var element = _shopStorage.GetElement(model);
+            if (element == null)
+            {
+                _logger.LogWarning("ReadElement. element not found");
+                return null;
+            }
+
+            _logger.LogInformation("ReadElement found. Id:{Id}", element.Id);
+
+            return element;
+        }
+
+        public List<ShopViewModel>? ReadList(ShopSearchModel? model)
+        {
+            _logger.LogInformation("ReadList. Shop Name:{0}, ID:{1} ", model?.Name, model?.Id);
+
+            var list = (model == null) ? _shopStorage.GetFullList() : _shopStorage.GetFilteredList(model);
+
+            if (list == null)
+            {
+                _logger.LogWarning("ReadList return null list");
+                return null;
+            }
+
+            _logger.LogInformation("ReadList. Count:{Count}", list.Count);
+
+            return list;
+        }
+
+        public bool SupplySecures(ShopSearchModel model, ISecureModel secure, int count)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+
+            if (secure == null)
+            {
+                throw new ArgumentNullException(nameof(secure));
+            }
+
+            if (count <= 0)
+            {
+                throw new ArgumentNullException("Count of secures in supply must be more than 0", nameof(count));
+            }
+
+            var shopElement = _shopStorage.GetElement(model);
+            if (shopElement == null)
+            {
+                _logger.LogWarning("Required shop element not found in storage");
+                return false;
+            }
+
+            _logger.LogInformation("Shop element found. ID: {0}, Name: {1}", shopElement.Id, shopElement.Name);
+
+            if (shopElement.ShopSecures.TryGetValue(secure.Id, out var sameSecure))
+            {
+                shopElement.ShopSecures[secure.Id] = (secure, sameSecure.Item2 + count);
+                _logger.LogInformation("Same secure found by supply. Added {0} of {1} in {2} shop", count, secure.SecureName, shopElement.Name);
+            }
+            else
+            {
+                shopElement.ShopSecures[secure.Id] = (secure, count);
+                _logger.LogInformation("New secure added by supply. Added {0} of {1} in {2} shop", count, secure.SecureName, shopElement.Name);
+            }
+
+            _shopStorage.Update(new()
+            {
+                Id = shopElement.Id,
+                Name = shopElement.Name,
+                Address = shopElement.Address,
+                OpeningDate = shopElement.OpeningDate,
+                ShopSecures = shopElement.ShopSecures
+            });
+
+            return true;
+        }
+
+        public bool Create(ShopBindingModel model)
+        {
+            CheckModel(model);
+
+            if (_shopStorage.Insert(model) == null)
+            {
+                _logger.LogWarning("Insert operation failed");
+                return false;
+            }
+
+            return true;
+        }
+
+        public bool Update(ShopBindingModel model)
+        {
+            CheckModel(model);
+
+            if (_shopStorage.Update(model) == null)
+            {
+                _logger.LogWarning("Update operation failed");
+                return false;
+            }
+
+            return true;
+        }
+
+        public bool Delete(ShopBindingModel model)
+        {
+            CheckModel(model, false);
+
+            if (_shopStorage.Delete(model) == null)
+            {
+                _logger.LogWarning("Delete operation failed");
+                return false;
+            }
+
+            return true;
+        }
+
+        private void CheckModel(ShopBindingModel model, bool withParams = true)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+
+            if (!withParams)
+            {
+                return;
+            }
+
+            if (string.IsNullOrEmpty(model.Name))
+            {
+                throw new ArgumentNullException("Нет названия магазина!", nameof(model.Name));
+            }
+
+            _logger.LogInformation("Shop. Name: {0}, Address: {1}, ID: {2}", model.Name, model.Address, model.Id);
+
+            var element = _shopStorage.GetElement(new ShopSearchModel
+            {
+                Name = model.Name
+            });
+
+            if (element != null && element.Id != model.Id)
+            {
+                throw new InvalidOperationException("Магазин с таким названием уже есть");
+            }
+        }
+    }
+}