diff --git a/FurnitureAssembly/FurnitureAssemFileImplement/DataFileSingleton.cs b/FurnitureAssembly/FurnitureAssemFileImplement/DataFileSingleton.cs
index 7fb64b5..cc7ceb4 100644
--- a/FurnitureAssembly/FurnitureAssemFileImplement/DataFileSingleton.cs
+++ b/FurnitureAssembly/FurnitureAssemFileImplement/DataFileSingleton.cs
@@ -14,9 +14,11 @@ namespace FurnitureAssemFileImplement
         private readonly string ComponentFileName = "Component.xml";
         private readonly string OrderFileName = "Order.xml";
         private readonly string FurnitureFileName = "Furniture.xml";
+        private readonly string ClientFileName = "Client.xml";
         public List<Component> Components { get; private set; }
         public List<Order> Orders { get; private set; }
         public List<Furniture> Furnitures { get; private set; }
+        public List<Client> Clients { get; private set; }
         public static DataFileSingleton GetInstance()
         {
             if (instance == null)
@@ -28,11 +30,13 @@ namespace FurnitureAssemFileImplement
         public void SaveComponents() => SaveData(Components, ComponentFileName, "Components", x => x.GetXElement);
         public void SaveFurnitures() => SaveData(Furnitures, FurnitureFileName, "Furnitures", x => x.GetXElement);
         public void SaveOrders() => SaveData(Orders, OrderFileName, "Orders", x => x.GetXElement);
+        public void SaveClients() => SaveData(Clients, ClientFileName, "Clients", x => x.GetXElement);
         private DataFileSingleton()
         {
             Components = LoadData(ComponentFileName, "Component", x => Component.Create(x)!)!;
             Furnitures = LoadData(FurnitureFileName, "Furniture", x => Furniture.Create(x)!)!;
             Orders = LoadData(OrderFileName, "Order", x => Order.Create(x)!)!;
+            Clients = LoadData(ClientFileName, "Client", x => Client.Create(x)!)!;
         }
         private static List<T>? LoadData<T>(string filename, string xmlNodeName,
        Func<XElement, T> selectFunction)
diff --git a/FurnitureAssembly/FurnitureAssemFileImplement/Implements/ClientStorage.cs b/FurnitureAssembly/FurnitureAssemFileImplement/Implements/ClientStorage.cs
new file mode 100644
index 0000000..1463245
--- /dev/null
+++ b/FurnitureAssembly/FurnitureAssemFileImplement/Implements/ClientStorage.cs
@@ -0,0 +1,91 @@
+using FurnitureAssemblyContracts.BindingModels;
+using FurnitureAssemblyContracts.SearchModels;
+using FurnitureAssemblyContracts.StoragesContracts;
+using FurnitureAssemblyContracts.ViewModels;
+using FurnitureAssemFileImplement.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FurnitureAssemFileImplement.Implements
+{
+    public class ClientStorage : IClientStorage
+    {
+        private readonly DataFileSingleton source;
+        public ClientStorage()
+        {
+            source = DataFileSingleton.GetInstance();
+        }
+        public ClientViewModel? Delete(ClientBindingModel model)
+        {
+            var client = source.Clients.FirstOrDefault(x => x.Id == model.Id);
+            if (client != null)
+            {
+                source.Clients.Remove(client);
+                source.SaveClients();
+                return client.GetViewModel;
+            }
+            return null;
+        }
+
+        public ClientViewModel? GetElement(ClientSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.Email) && !model.Id.HasValue)
+            {
+                return null;
+            }
+            return source.Clients
+            .FirstOrDefault(x =>
+           (!string.IsNullOrEmpty(model.Email) && x.Email ==
+           model.Email) ||
+            (model.Id.HasValue && x.Id == model.Id))
+            ?.GetViewModel;
+        }
+
+        public List<ClientViewModel> GetFilteredList(ClientSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.Email))
+            {
+                return new();
+            }
+            return source.Clients
+            .Where(x => x.Email.Contains(model.Email))
+           .Select(x => x.GetViewModel)
+           .ToList();
+        }
+
+        public List<ClientViewModel> GetFullList()
+        {
+            return source.Clients
+            .Select(x => x.GetViewModel)
+           .ToList();
+        }
+
+        public ClientViewModel? Insert(ClientBindingModel model)
+        {
+            model.Id = source.Clients.Count > 0 ? source.Clients.Max(x => x.Id) + 1 : 1;
+            var newClient = Client.Create(model);
+            if (newClient == null)
+            {
+                return null;
+            }
+            source.Clients.Add(newClient);
+            source.SaveClients();
+            return newClient.GetViewModel;
+        }
+
+        public ClientViewModel? Update(ClientBindingModel model)
+        {
+            var client = source.Clients.FirstOrDefault(x => x.Id == model.Id);
+            if (client == null)
+            {
+                return null;
+            }
+            client.Update(model);
+            source.SaveClients();
+            return client.GetViewModel;
+        }
+    }
+}
diff --git a/FurnitureAssembly/FurnitureAssemFileImplement/Models/Client.cs b/FurnitureAssembly/FurnitureAssemFileImplement/Models/Client.cs
new file mode 100644
index 0000000..d7b6e6a
--- /dev/null
+++ b/FurnitureAssembly/FurnitureAssemFileImplement/Models/Client.cs
@@ -0,0 +1,79 @@
+using FurnitureAssemblyContracts.BindingModels;
+using FurnitureAssemblyContracts.ViewModels;
+using FurnitureAssemblyDataModels.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+using System.Xml.Linq;
+
+namespace FurnitureAssemFileImplement.Models
+{
+    public class Client : IClientModel
+    {
+        public int Id { get; private set; }
+
+        public string ClientFIO { get; private set; } = string.Empty;
+
+        public string Email { get; private set; } = string.Empty;
+
+        public string Password { get; private set; } = string.Empty;
+
+        public static Client? Create(ClientBindingModel model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Client()
+            {
+                Id = model.Id,
+                ClientFIO = model.ClientFIO,
+                Email = model.Email,
+                Password = model.Password
+            };
+        }
+
+        public static Client? Create(XElement element)
+        {
+            if (element == null)
+            {
+                return null;
+            }
+            return new Client()
+            {
+                Id = Convert.ToInt32(element.Attribute("Id")!.Value),
+                ClientFIO = element.Element("ClientFIO")!.Value,
+                Email = element.Element("Email")!.Value,
+                Password = element.Element("Password")!.Value
+            };
+        }
+
+        public void Update(ClientBindingModel model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            ClientFIO = model.ClientFIO;
+            Email = model.Email;
+            Password = model.Password;
+        }
+
+        public ClientViewModel GetViewModel => new()
+        {
+            Id = Id,
+            ClientFIO = ClientFIO,
+            Email = Email,
+            Password = Password
+        };
+
+        public XElement GetXElement => new("Client",
+        new XAttribute("Id", Id),
+        new XElement("ClientFIO", ClientFIO),
+        new XElement("Email", Email),
+        new XElement("Password", Password)
+        );
+    }
+}
diff --git a/FurnitureAssembly/FurnitureAssemblyDatabaseImplement/FurnitureAssemblyDatabase.cs b/FurnitureAssembly/FurnitureAssemblyDatabaseImplement/FurnitureAssemblyDatabase.cs
index a0ce249..6bd8454 100644
--- a/FurnitureAssembly/FurnitureAssemblyDatabaseImplement/FurnitureAssemblyDatabase.cs
+++ b/FurnitureAssembly/FurnitureAssemblyDatabaseImplement/FurnitureAssemblyDatabase.cs
@@ -22,5 +22,6 @@ namespace FurnitureAssemblyDatabaseImplement
         public virtual DbSet<Furniture> Furnitures { set; get; }
         public virtual DbSet<FurnitureComponent> FurnitureComponents { set; get; }
         public virtual DbSet<Order> Orders { set; get; }
+        public virtual DbSet<Client> Clients { set; get; }
     }
 }
diff --git a/FurnitureAssembly/FurnitureAssemblyDatabaseImplement/Implements/ClientStorage.cs b/FurnitureAssembly/FurnitureAssemblyDatabaseImplement/Implements/ClientStorage.cs
new file mode 100644
index 0000000..2907901
--- /dev/null
+++ b/FurnitureAssembly/FurnitureAssemblyDatabaseImplement/Implements/ClientStorage.cs
@@ -0,0 +1,90 @@
+using FurnitureAssemblyContracts.BindingModels;
+using FurnitureAssemblyContracts.SearchModels;
+using FurnitureAssemblyContracts.StoragesContracts;
+using FurnitureAssemblyContracts.ViewModels;
+using FurnitureAssemblyDatabaseImplement.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace FurnitureAssemblyDatabaseImplement.Implements
+{
+    public class ClientStorage : IClientStorage
+    {
+        public ClientViewModel? Delete(ClientBindingModel model)
+        {
+            using var context = new FurnitureAssemblyDatabase();
+            var element = context.Clients.FirstOrDefault(rec => rec.Id == model.Id);
+            if (element != null)
+            {
+                context.Clients.Remove(element);
+                context.SaveChanges();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+
+        public ClientViewModel? GetElement(ClientSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.Email) && !model.Id.HasValue)
+            {
+                return null;
+            }
+            using var context = new FurnitureAssemblyDatabase();
+            return context.Clients
+            .FirstOrDefault(x =>
+           (!string.IsNullOrEmpty(model.Email) && x.Email == model.Email) ||
+            (model.Id.HasValue && x.Id == model.Id))
+            ?.GetViewModel;
+        }
+
+        public List<ClientViewModel> GetFilteredList(ClientSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.Email))
+            {
+                return new();
+            }
+            using var context = new FurnitureAssemblyDatabase();
+            return context.Clients
+            .Where(x => x.Email.Contains(model.Email))
+           .Select(x => x.GetViewModel)
+           .ToList();
+        }
+
+        public List<ClientViewModel> GetFullList()
+        {
+            using var context = new FurnitureAssemblyDatabase();
+            return context.Clients
+            .Select(x => x.GetViewModel)
+           .ToList();
+        }
+
+        public ClientViewModel? Insert(ClientBindingModel model)
+        {
+            var newClient = Client.Create(model);
+            if (newClient == null)
+            {
+                return null;
+            }
+            using var context = new FurnitureAssemblyDatabase();
+            context.Clients.Add(newClient);
+            context.SaveChanges();
+            return newClient.GetViewModel;
+        }
+
+        public ClientViewModel? Update(ClientBindingModel model)
+        {
+            using var context = new FurnitureAssemblyDatabase();
+            var client = context.Clients.FirstOrDefault(x => x.Id == model.Id);
+            if (client == null)
+            {
+                return null;
+            }
+            client.Update(model);
+            context.SaveChanges();
+            return client.GetViewModel;
+        }
+    }
+}
diff --git a/FurnitureAssembly/FurnitureAssemblyDatabaseImplement/Models/Client.cs b/FurnitureAssembly/FurnitureAssemblyDatabaseImplement/Models/Client.cs
new file mode 100644
index 0000000..70088d6
--- /dev/null
+++ b/FurnitureAssembly/FurnitureAssemblyDatabaseImplement/Models/Client.cs
@@ -0,0 +1,64 @@
+using FurnitureAssemblyContracts.BindingModels;
+using FurnitureAssemblyContracts.ViewModels;
+using FurnitureAssemblyDataModels.Models;
+using System.ComponentModel.DataAnnotations;
+
+
+namespace FurnitureAssemblyDatabaseImplement.Models
+{
+    public class Client : IClientModel
+    {
+        public int Id { get; private set; }
+        [Required]
+        public string ClientFIO { get; private set; } = string.Empty;
+        [Required]
+        public string Email { get; private set; } = string.Empty;
+        [Required]
+        public string Password { get; private set; } = string.Empty;
+
+        public static Client? Create(ClientBindingModel model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Client()
+            {
+                Id = model.Id,
+                ClientFIO = model.ClientFIO,
+                Email = model.Email,
+                Password = model.Password
+            };
+        }
+        public static Client Create(ClientViewModel model)
+        {
+            return new Client
+            {
+                Id = model.Id,
+                ClientFIO = model.ClientFIO,
+                Email = model.Email,
+                Password = model.Password
+            };
+        }
+        public void Update(ClientBindingModel model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+
+            ClientFIO = model.ClientFIO;
+            Email = model.Email;
+            Password = model.Password;
+        }
+        public ClientViewModel GetViewModel => new()
+        {
+            Id = Id,
+            ClientFIO = ClientFIO,
+            Email = Email,
+            Password = Password
+        };
+
+
+    }
+}
diff --git a/FurnitureAssembly/FurnitureAssemblyListImplement/DataListSingleton.cs b/FurnitureAssembly/FurnitureAssemblyListImplement/DataListSingleton.cs
index d3d6d9d..05651df 100644
--- a/FurnitureAssembly/FurnitureAssemblyListImplement/DataListSingleton.cs
+++ b/FurnitureAssembly/FurnitureAssemblyListImplement/DataListSingleton.cs
@@ -13,11 +13,13 @@ namespace FurnitureAssemblyListImplement
         public List<Component> Components { get; set; }
         public List<Order> Orders { get; set; }
         public List<Furniture> Furnitures { get; set; }
+        public List<Client> Clients { get; set; }
         private DataListSingleton()
         {
             Components = new List<Component>();
             Orders = new List<Order>();
             Furnitures = new List<Furniture>();
+            Clients = new List<Client>();
         }
         public static DataListSingleton GetInstance()
         {
diff --git a/FurnitureAssembly/FurnitureAssemblyListImplement/Implements/ClientStorage.cs b/FurnitureAssembly/FurnitureAssemblyListImplement/Implements/ClientStorage.cs
new file mode 100644
index 0000000..f72ae5f
--- /dev/null
+++ b/FurnitureAssembly/FurnitureAssemblyListImplement/Implements/ClientStorage.cs
@@ -0,0 +1,110 @@
+using FurnitureAssemblyContracts.BindingModels;
+using FurnitureAssemblyContracts.SearchModels;
+using FurnitureAssemblyContracts.StoragesContracts;
+using FurnitureAssemblyContracts.ViewModels;
+using FurnitureAssemblyListImplement.Models;
+
+
+namespace FurnitureAssemblyListImplement.Implements
+{
+    public class ClientStorage : IClientStorage
+    {
+        private readonly DataListSingleton _source;
+
+        public ClientStorage()
+        {
+            _source = DataListSingleton.GetInstance();
+        }
+
+        public ClientViewModel? Delete(ClientBindingModel model)
+        {
+            for (int i = 0; i < _source.Clients.Count; ++i)
+            {
+                if (_source.Clients[i].Id == model.Id)
+                {
+                    var element = _source.Clients[i];
+                    _source.Clients.RemoveAt(i);
+                    return element.GetViewModel;
+                }
+            }
+            return null;
+        }
+
+        public ClientViewModel? GetElement(ClientSearchModel model)
+        {
+            if (string.IsNullOrEmpty(model.Email) && !model.Id.HasValue)
+            {
+                return null;
+            }
+
+            foreach (var client in _source.Clients)
+            {
+                if ((!string.IsNullOrEmpty(model.Email) && client.Email == model.Email) 
+                    || (model.Id.HasValue && client.Id == model.Id))
+                {
+                    return client.GetViewModel;
+                }
+            }
+            return null;
+        }
+
+        public List<ClientViewModel> GetFilteredList(ClientSearchModel model)
+        {
+            var result = new List<ClientViewModel>();
+            if (string.IsNullOrEmpty(model.Email))
+            {
+                return result;
+            }
+            foreach (var client in _source.Clients)
+            {
+                if (client.Email.Contains(model.Email))
+                {
+                    result.Add(client.GetViewModel);
+                }
+            }
+            return result;
+        }
+
+        public List<ClientViewModel> GetFullList()
+        {
+            var result = new List<ClientViewModel>();
+            foreach (var client in _source.Clients)
+            {
+                result.Add(client.GetViewModel);
+            }
+            return result;
+        }
+
+        public ClientViewModel? Insert(ClientBindingModel model)
+        {
+            model.Id = 1;
+            foreach (var client in _source.Clients)
+            {
+                if (model.Id <= client.Id)
+                {
+                    model.Id = client.Id + 1;
+                }
+            }
+            var newClient = Client.Create(model);
+            if (newClient == null)
+            {
+                return null;
+            }
+            _source.Clients.Add(newClient);
+            return newClient.GetViewModel;
+        }
+
+        public ClientViewModel? Update(ClientBindingModel model)
+        {
+            foreach (var client in _source.Clients)
+            {
+                if (client.Id == model.Id)
+                {
+                    client.Update(model);
+                    return client.GetViewModel;
+                }
+            }
+            return null;
+        }
+    }
+}
diff --git a/FurnitureAssembly/FurnitureAssemblyListImplement/Models/Client.cs b/FurnitureAssembly/FurnitureAssemblyListImplement/Models/Client.cs
new file mode 100644
index 0000000..1b90751
--- /dev/null
+++ b/FurnitureAssembly/FurnitureAssemblyListImplement/Models/Client.cs
@@ -0,0 +1,50 @@
+using FurnitureAssemblyContracts.BindingModels;
+using FurnitureAssemblyContracts.ViewModels;
+using FurnitureAssemblyDataModels.Models;
+
+
+namespace FurnitureAssemblyListImplement.Models
+{
+    public class Client : IClientModel
+    {
+        public int Id { get; private set; }
+
+        public string ClientFIO { get; private set; } = string.Empty;
+
+        public string Email { get; private set; } = string.Empty;
+
+        public string Password { get; private set; } = string.Empty;
+
+        public static Client? Create(ClientBindingModel? model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            return new Client()
+            {
+                Id = model.Id,
+                ClientFIO = model.ClientFIO,
+                Email = model.Email,
+                Password = model.Password
+            };
+        }
+        public void Update(ClientBindingModel? model)
+        {
+            if (model == null)
+            {
+                return;
+            }
+            ClientFIO = model.ClientFIO;
+            Email = model.Email;
+            Password = model.Password;
+        }
+        public ClientViewModel GetViewModel => new()
+        {
+            Id = Id,
+            ClientFIO = ClientFIO,
+            Email = Email,
+            Password = Password
+        };
+    }
+}