diff --git a/SoftwareInstallation/SoftwareInstallationBusinessLogic/BusinessLogic/StoreLogic.cs b/SoftwareInstallation/SoftwareInstallationBusinessLogic/BusinessLogic/StoreLogic.cs
new file mode 100644
index 0000000..ef1a978
--- /dev/null
+++ b/SoftwareInstallation/SoftwareInstallationBusinessLogic/BusinessLogic/StoreLogic.cs
@@ -0,0 +1,176 @@
+using Microsoft.Extensions.Logging;
+using SofrwareInstallationContracts.BindingModels;
+using SofrwareInstallationContracts.BusinessLogicsContracts;
+using SofrwareInstallationContracts.SearchModels;
+using SofrwareInstallationContracts.StoragesContracts;
+using SofrwareInstallationContracts.ViewModels;
+using SoftwareInstallationDataModels.Models;
+
+namespace SoftwareInstallationBusinessLogic.BusinessLogic
+{
+    public class StoreLogic : IStoreLogic
+    {
+        private readonly ILogger _logger;
+        private readonly IStoreStorage _storeStorage;
+        public StoreLogic(ILogger<StoreLogic> logger, IStoreStorage storeStorage)
+        {
+            _logger = logger;
+            _storeStorage = storeStorage;
+        }
+        public bool AddPackage(StoreSearchModel model, IPackageModel package, int quantity)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+
+            if (quantity <= 0)
+            {
+                throw new ArgumentException("Количество добавляемого изделия должно быть больше 0", nameof(quantity));
+            }
+
+            _logger.LogInformation("AddPackageInStore. StoreName:{StoreName}.Id:{ Id}", model.StoreName, model.Id);
+            var element = _storeStorage.GetElement(model);
+
+            if (element == null)
+            {
+                _logger.LogWarning("AddPackageInStore element not found");
+                return false;
+            }
+
+            _logger.LogInformation("AddPackageInStore find. Id:{Id}", element.Id);
+
+            if (element.Packages.TryGetValue(package.Id, out var pair))
+            {
+                element.Packages[package.Id] = (package, quantity + pair.Item2);
+                _logger.LogInformation("AddPackageInStore. Has been added {quantity} {package} in {StoreName}", quantity, package.PackageName, element.StoreName);
+            }
+            else
+            {
+                element.Packages[package.Id] = (package, quantity);
+                _logger.LogInformation("AddPastryInShop. Has been added {quantity} new Package {package} in {StoreName}", quantity, package.PackageName, element.StoreName);
+            }
+
+            _storeStorage.Update(new()
+            {
+                Id = element.Id,
+                StoreAdress = element.StoreAdress,
+                StoreName = element.StoreName,
+                OpeningDate = element.OpeningDate,
+                Packages = element.Packages
+            });
+            return true;
+        }
+
+        public bool Create(StoreBindingModel model)
+        {
+            CheckModel(model);
+            model.Packages = new();
+
+            if (_storeStorage.Insert(model) == null)
+            {
+                _logger.LogWarning("Insert operation failed");
+                return false;
+            }
+
+            return true;
+        }
+
+        public bool Delete(StoreBindingModel model)
+        {
+            CheckModel(model, false);
+            _logger.LogInformation("Delete. Id:{Id}", model.Id);
+
+            if (_storeStorage.Delete(model) == null)
+            {
+                _logger.LogWarning("Delete operation failed");
+                return false;
+            }
+
+            return true;
+        }
+
+        public StoreViewModel? ReadElement(StoreSearchModel model)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+
+            _logger.LogInformation("ReadElement. StoreName:{StoreName}.Id:{ Id}", model.StoreName, model.Id);
+            var element = _storeStorage.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<StoreViewModel>? ReadList(StoreSearchModel? model)
+        {
+            _logger.LogInformation("ReadList. StoreName:{StoreName}.Id:{ Id} ", model?.StoreName, model?.Id);
+
+            var list = (model == null) ? _storeStorage.GetFullList() : _storeStorage.GetFilteredList(model);
+
+            if (list == null)
+            {
+                _logger.LogWarning("ReadList return null list");
+                return null;
+            }
+
+            _logger.LogInformation("ReadList. Count:{Count}", list.Count);
+            return list;
+        }
+
+        public bool Update(StoreBindingModel model)
+        {
+            CheckModel(model, false);
+
+            if (string.IsNullOrEmpty(model.StoreName))
+            {
+                throw new ArgumentNullException("Нет названия магазина", nameof(model.StoreName));
+            }
+
+            if (_storeStorage.Update(model) == null)
+            {
+                _logger.LogWarning("Update operation failed");
+                return false;
+            }
+            return true;
+        }
+
+        private void CheckModel(StoreBindingModel model, bool withParams = true)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+
+            if (!withParams)
+            {
+                return;
+            }
+
+            if (string.IsNullOrEmpty(model.StoreName))
+            {
+                throw new ArgumentNullException("Нет названия магазина", nameof(model.StoreName));
+            }
+
+            _logger.LogInformation("Store. StoreName:{0}.StoreAdress:{1}. Id: {2}", model.StoreName, model.StoreAdress, model.Id);
+            var element = _storeStorage.GetElement(new StoreSearchModel
+            {
+                StoreName = model.StoreName
+            });
+
+            if (element != null && element.Id != model.Id && element.StoreName == model.StoreName)
+            {
+                throw new InvalidOperationException("Магазин с таким названием уже есть");
+            }
+        }
+
+    }
+}
diff --git a/SoftwareInstallation/SoftwareInstallationDataModels/Models/IStoreModel.cs b/SoftwareInstallation/SoftwareInstallationDataModels/Models/IStoreModel.cs
index 5422c7a..90e7e5f 100644
--- a/SoftwareInstallation/SoftwareInstallationDataModels/Models/IStoreModel.cs
+++ b/SoftwareInstallation/SoftwareInstallationDataModels/Models/IStoreModel.cs
@@ -2,8 +2,8 @@
 {
     public interface IStoreModel : IId
     {
-        public string StoreName { get; set; }
-        public string StoreAdress { get; set; }
+        public string StoreName { get; }
+        public string StoreAdress { get; }
         DateTime OpeningDate { get; }
         Dictionary<int, (IPackageModel, int)> Packages { get; }
     }
diff --git a/SoftwareInstallation/SoftwareInstallationListImplement/DataListSingleton.cs b/SoftwareInstallation/SoftwareInstallationListImplement/DataListSingleton.cs
index 22a2815..4e02dc5 100644
--- a/SoftwareInstallation/SoftwareInstallationListImplement/DataListSingleton.cs
+++ b/SoftwareInstallation/SoftwareInstallationListImplement/DataListSingleton.cs
@@ -1,4 +1,5 @@
 using SoftwareInstallationListImplement.Models;
+using static System.Formats.Asn1.AsnWriter;
 
 namespace SoftwareInstallationListImplement
 {
@@ -8,12 +9,14 @@ namespace SoftwareInstallationListImplement
         public List<Component> Components { get; set; }
         public List<Order> Orders { get; set; }
         public List<Package> Packages { get; set; }
+        public List<Store> Stores { get; set; }
 
         private DataListSingleton()
         {
             Components = new List<Component>();
             Orders = new List<Order>();
             Packages = new List<Package>();
+            Stores = new List<Store>();
         }
 
         public static DataListSingleton GetInstance()
diff --git a/SoftwareInstallation/SoftwareInstallationListImplement/Implements/StoreStorage.cs b/SoftwareInstallation/SoftwareInstallationListImplement/Implements/StoreStorage.cs
new file mode 100644
index 0000000..b30cf73
--- /dev/null
+++ b/SoftwareInstallation/SoftwareInstallationListImplement/Implements/StoreStorage.cs
@@ -0,0 +1,118 @@
+using SofrwareInstallationContracts.BindingModels;
+using SofrwareInstallationContracts.SearchModels;
+using SofrwareInstallationContracts.StoragesContracts;
+using SofrwareInstallationContracts.ViewModels;
+using SoftwareInstallationListImplement.Models;
+
+namespace SoftwareInstallationListImplement.Implements
+{
+    public class StoreStorage : IStoreStorage
+    {
+        private readonly DataListSingleton _source;
+        public StoreStorage()
+        {
+            _source=DataListSingleton.GetInstance();
+        }
+        public StoreViewModel? Delete(StoreBindingModel model)
+        {
+            for (int i = 0; i < _source.Stores.Count; ++i)
+            {
+                if (_source.Stores[i].Id == model.Id)
+                {
+                    var element = _source.Stores[i];
+                    _source.Stores.RemoveAt(i);
+                    return element.GetViewModel;
+                }
+            }
+            return null;
+        }
+
+        public StoreViewModel? GetElement(StoreSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.StoreName) && !model.Id.HasValue)
+            {
+                return null;
+            }
+
+            foreach (var store in _source.Stores)
+            {
+                if ((!string.IsNullOrEmpty(model.StoreName) && store.StoreName == model.StoreName) || (model.Id.HasValue && store.Id == model.Id))
+                {
+                    return store.GetViewModel;
+                }
+            }
+
+            return null;
+        }
+
+        public List<StoreViewModel> GetFilteredList(StoreSearchModel model)
+        {
+            var result = new List<StoreViewModel>();
+
+            if (string.IsNullOrEmpty(model.StoreName))
+            {
+                return result;
+            }
+
+            foreach (var store in _source.Stores)
+            {
+                if (store.StoreName.Contains(model.StoreName))
+                {
+                    result.Add(store.GetViewModel);
+                }
+            }
+
+            return result;
+        }
+
+        public List<StoreViewModel> GetFullList()
+        {
+            var result = new List<StoreViewModel>();
+
+            foreach (var store in _source.Stores)
+            {
+                result.Add(store.GetViewModel);
+            }
+
+            return result;
+        }
+
+        public StoreViewModel? Insert(StoreBindingModel model)
+        {
+            model.Id = 1;
+
+            foreach (var store in _source.Stores)
+            {
+                if (model.Id <= store.Id)
+                {
+                    model.Id = store.Id + 1;
+                }
+            }
+
+            var newStore = Store.Create(model);
+
+            if (newStore == null)
+            {
+                return null;
+            }
+
+            _source.Stores.Add(newStore);
+
+            return newStore.GetViewModel;
+        }
+
+        public StoreViewModel? Update(StoreBindingModel model)
+        {
+            foreach (var store in _source.Stores)
+            {
+                if (store.Id == model.Id)
+                {
+                    store.Update(model);
+                    return store.GetViewModel;
+                }
+            }
+
+            return null;
+        }
+    }
+}
diff --git a/SoftwareInstallation/SoftwareInstallationListImplement/Models/Store.cs b/SoftwareInstallation/SoftwareInstallationListImplement/Models/Store.cs
new file mode 100644
index 0000000..cf6c3ac
--- /dev/null
+++ b/SoftwareInstallation/SoftwareInstallationListImplement/Models/Store.cs
@@ -0,0 +1,57 @@
+using SofrwareInstallationContracts.BindingModels;
+using SofrwareInstallationContracts.ViewModels;
+using SoftwareInstallationDataModels.Models;
+using System.Diagnostics;
+using System.Reflection;
+
+namespace SoftwareInstallationListImplement.Models
+{
+    public class Store : IStoreModel
+    {
+        public string StoreName { get; private set; } = string.Empty;
+        public string StoreAdress { get; private set; } = string.Empty;
+
+        public DateTime OpeningDate { get; private set; }
+
+        public Dictionary<int, (IPackageModel, int)> Packages { get; private set; } = new();
+
+        public int Id { get; private set; }
+
+        public static Store? Create(StoreBindingModel? model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Store()
+            {
+                Id = model.Id,
+                StoreName = model.StoreName,
+                StoreAdress = model.StoreAdress,
+                OpeningDate = model.OpeningDate,
+                Packages=new()
+            };
+        }
+
+        public void Update(StoreBindingModel? model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            StoreName = model.StoreName;
+            StoreAdress = model.StoreAdress;
+            OpeningDate = model.OpeningDate;
+            Packages = model.Packages;
+        }
+
+        public StoreViewModel GetViewModel => new()
+        {
+            Id = Id,
+            StoreName = StoreName,
+            StoreAdress = StoreAdress,
+            OpeningDate = OpeningDate,
+            Packages = Packages
+        };
+    }
+}