diff --git a/JewelryStoreBusinessLogic/BusinessLogics/StoreLogic .cs b/JewelryStoreBusinessLogic/BusinessLogics/StoreLogic .cs
new file mode 100644
index 0000000..52e2036
--- /dev/null
+++ b/JewelryStoreBusinessLogic/BusinessLogics/StoreLogic .cs	
@@ -0,0 +1,181 @@
+using Microsoft.Extensions.Logging;
+using JewelryStoreContracts.BindingModels;
+using JewelryStoreContracts.BusinessLogicsContracts;
+using JewelryStoreContracts.SearchModels;
+using JewelryStoreContracts.StoragesContracts;
+using JewelryStoreDataModels.Models;
+using JewelryStoreContracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace JewelryStoreBusinessLogic.BusinessLogics
+{
+    internal class StoreLogic : IStoreLogic
+    {
+        private readonly ILogger _logger;
+        private readonly IStoreStorage _storeStorage;
+        public StoreLogic(ILogger<StoreLogic> logger, IStoreStorage storeStorage)
+        {
+            _logger = logger;
+            _storeStorage = storeStorage;
+        }
+        public bool AddJewel(StoreSearchModel model, IJewelModel jewel, 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("AddJewelInStore. StoreName:{StoreName}.Id:{ Id}", model.StoreName, model.Id);
+            var element = _storeStorage.GetElement(model);
+
+            if (element == null)
+            {
+                _logger.LogWarning("AddJewelInStore element not found");
+                return false;
+            }
+
+            _logger.LogInformation("AddJewelInStore find. Id:{Id}", element.Id);
+
+            if (element.Jewels.TryGetValue(jewel.Id, out var pair))
+            {
+                element.Jewels[jewel.Id] = (jewel, quantity + pair.Item2);
+                _logger.LogInformation("AddJewelInStore. Has been added {quantity} {jewel} in {StoreName}", quantity, jewel.JewelName, element.StoreName);
+            }
+            else
+            {
+                element.Jewels[jewel.Id] = (jewel, quantity);
+                _logger.LogInformation("AddPastryInShop. Has been added {quantity} new Jewel {jewel} in {StoreName}", quantity, jewel.JewelName, element.StoreName);
+            }
+
+            _storeStorage.Update(new()
+            {
+                Id = element.Id,
+                StoreAdress = element.StoreAdress,
+                StoreName = element.StoreName,
+                OpeningDate = element.OpeningDate,
+                Jewels = element.Jewels
+            });
+            return true;
+        }
+
+        public bool Create(StoreBindingModel model)
+        {
+            CheckModel(model);
+            model.Jewels = 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/JewelryStoreContracts/BindingModels/StoreBindingModel.cs b/JewelryStoreContracts/BindingModels/StoreBindingModel.cs
new file mode 100644
index 0000000..9198ea6
--- /dev/null
+++ b/JewelryStoreContracts/BindingModels/StoreBindingModel.cs
@@ -0,0 +1,21 @@
+using JewelryStoreDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace JewelryStoreContracts.BindingModels
+{
+    public class StoreBindingModel: IStoreModel
+    {
+        public string StoreName { get; set; } = string.Empty;
+        public string StoreAdress { get; set; } = string.Empty;
+
+        public DateTime OpeningDate { get; set; } = DateTime.Now;
+
+        public Dictionary<int, (IJewelModel, int)> Jewels { get; set; } = new();
+
+        public int Id { get; set; }
+    }
+}
diff --git a/JewelryStoreContracts/BusinessLogicsContracts/IStoreLogic.cs b/JewelryStoreContracts/BusinessLogicsContracts/IStoreLogic.cs
new file mode 100644
index 0000000..4bf2807
--- /dev/null
+++ b/JewelryStoreContracts/BusinessLogicsContracts/IStoreLogic.cs
@@ -0,0 +1,22 @@
+using JewelryStoreContracts.BindingModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using JewelryStoreContracts.SearchModels;
+using JewelryStoreContracts.ViewModels;
+using JewelryStoreDataModels.Models;
+
+namespace JewelryStoreContracts.BusinessLogicsContracts
+{
+    public interface IStoreLogic
+    {
+        List<StoreViewModel>? ReadList(StoreSearchModel? model);
+        StoreViewModel? ReadElement(StoreSearchModel model);
+        bool Create(StoreBindingModel model);
+        bool Update(StoreBindingModel model);
+        bool Delete(StoreBindingModel model);
+        bool AddJewel(StoreSearchModel model, IJewelModel jewel, int quantity);
+    }
+}
diff --git a/JewelryStoreContracts/SearchModels/StoreSearchModel.cs b/JewelryStoreContracts/SearchModels/StoreSearchModel.cs
new file mode 100644
index 0000000..1ffd758
--- /dev/null
+++ b/JewelryStoreContracts/SearchModels/StoreSearchModel.cs
@@ -0,0 +1,14 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace JewelryStoreContracts.SearchModels
+{
+    public class StoreSearchModel
+    {
+        public int? Id { get; set; }
+        public string? StoreName { get; set; }
+    }
+}
diff --git a/JewelryStoreContracts/StoragesContracts/IStoreStorage.cs b/JewelryStoreContracts/StoragesContracts/IStoreStorage.cs
new file mode 100644
index 0000000..ded1a42
--- /dev/null
+++ b/JewelryStoreContracts/StoragesContracts/IStoreStorage.cs
@@ -0,0 +1,21 @@
+using JewelryStoreContracts.BindingModels;
+using JewelryStoreContracts.SearchModels;
+using JewelryStoreContracts.ViewModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace JewelryStoreContracts.StoragesContracts
+{
+    public interface IStoreStorage
+    {
+        List<StoreViewModel> GetFullList();
+        List<StoreViewModel> GetFilteredList(StoreSearchModel model);
+        StoreViewModel? GetElement(StoreSearchModel model);
+        StoreViewModel? Insert(StoreBindingModel model);
+        StoreViewModel? Update(StoreBindingModel model);
+        StoreViewModel? Delete(StoreBindingModel model);
+    }
+}
diff --git a/JewelryStoreContracts/ViewModels/StoreViewModel.cs b/JewelryStoreContracts/ViewModels/StoreViewModel.cs
new file mode 100644
index 0000000..3487455
--- /dev/null
+++ b/JewelryStoreContracts/ViewModels/StoreViewModel.cs
@@ -0,0 +1,23 @@
+using JewelryStoreDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.ComponentModel;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace JewelryStoreContracts.ViewModels
+{
+    public class StoreViewModel : IStoreModel
+    {
+        public Dictionary<int, (IJewelModel, int)> Jewels { get; set; } = new();
+        public int Id { get; set; }
+
+        [DisplayName("Название магазина")]
+        public string StoreName { get; set; } = string.Empty;
+        [DisplayName("Адрес магазина")]
+        public string StoreAdress { get; set; } = string.Empty;
+        [DisplayName("Дата открытия")]
+        public DateTime OpeningDate { get; set; } = DateTime.Now;
+    }
+}
diff --git a/JewelryStoreDataModels/Models/IStoreModel.cs b/JewelryStoreDataModels/Models/IStoreModel.cs
new file mode 100644
index 0000000..b4c8b1b
--- /dev/null
+++ b/JewelryStoreDataModels/Models/IStoreModel.cs
@@ -0,0 +1,16 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace JewelryStoreDataModels.Models
+{
+    public interface IStoreModel : IId
+    {
+        public string StoreName { get; }
+        public string StoreAdress { get; }
+        DateTime OpeningDate { get; }
+        Dictionary<int, (IJewelModel, int)> Jewels { get; }
+    }
+}
diff --git a/JewelryStoreListImplement/DataListSingleton.cs b/JewelryStoreListImplement/DataListSingleton.cs
index 1b280c4..49ea268 100644
--- a/JewelryStoreListImplement/DataListSingleton.cs
+++ b/JewelryStoreListImplement/DataListSingleton.cs
@@ -13,11 +13,13 @@ namespace JewelryStoreListImplement
         public List<Component> Components { get; set; }
         public List<Order> Orders { get; set; }
         public List<Jewel> Jewels { get; set; }
+        public List<Store> Stores { get; set; } 
         private DataListSingleton()
         {
             Components = new List<Component>();
             Orders = new List<Order>();
             Jewels = new List<Jewel>();
+            Stores = new List<Store>();
         }
         public static DataListSingleton GetInstance()
         {
diff --git a/JewelryStoreListImplement/Implements/StoreStorage.cs b/JewelryStoreListImplement/Implements/StoreStorage.cs
new file mode 100644
index 0000000..023c1ff
--- /dev/null
+++ b/JewelryStoreListImplement/Implements/StoreStorage.cs
@@ -0,0 +1,123 @@
+using JewelryStoreContracts.BindingModels;
+using JewelryStoreContracts.SearchModels;
+using JewelryStoreContracts.StoragesContracts;
+using JewelryStoreContracts.ViewModels;
+using JewelryStoreListImplement.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace JewelryStoreListImplement.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/JewelryStoreListImplement/Models/Store.cs b/JewelryStoreListImplement/Models/Store.cs
new file mode 100644
index 0000000..e1b80f3
--- /dev/null
+++ b/JewelryStoreListImplement/Models/Store.cs
@@ -0,0 +1,60 @@
+using JewelryStoreDataModels.Models;
+using JewelryStoreContracts.ViewModels;
+using JewelryStoreContracts.BindingModels;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace JewelryStoreListImplement.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, (IJewelModel, int)> Jewels { 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,
+                Jewels = new()
+            };
+        }
+
+        public void Update(StoreBindingModel? model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            StoreName = model.StoreName;
+            StoreAdress = model.StoreAdress;
+            OpeningDate = model.OpeningDate;
+            Jewels = model.Jewels;
+        }
+
+        public StoreViewModel GetViewModel => new()
+        {
+            Id = Id,
+            StoreName = StoreName,
+            StoreAdress = StoreAdress,
+            OpeningDate = OpeningDate,
+            Jewels = Jewels
+        };
+    }
+}