diff --git a/LawCompany/LawCompanyBusinessLogic/BusinessLogics/ConsultationLogic.cs b/LawCompany/LawCompanyBusinessLogic/BusinessLogics/ConsultationLogic.cs
new file mode 100644
index 0000000..6024678
--- /dev/null
+++ b/LawCompany/LawCompanyBusinessLogic/BusinessLogics/ConsultationLogic.cs
@@ -0,0 +1,140 @@
+using LawCompanyContracts.BindingModels;
+using LawCompanyContracts.BusinessLogicContracts;
+using LawCompanyContracts.SearchModels;
+using LawCompanyContracts.StoragesContracts;
+using LawCompanyContracts.ViewModels;
+using LawCompanyDataModels.Models;
+using Microsoft.Extensions.Logging;
+
+namespace LawCompanyBusinessLogic.BusinessLogics
+{
+    public class ConsultationLogic : IConsultationLogic
+    {
+        private readonly ILogger _logger;
+        private readonly IConsultationStorage _consultationStorage;
+
+        public ConsultationLogic(ILogger<ConsultationLogic> logger, IConsultationStorage consultationStorage)
+        {
+            _logger = logger;
+            _consultationStorage = consultationStorage;
+        }
+
+        public bool Create(ConsultationBindingModel model)
+        {
+            CheckModel(model);
+            if (_consultationStorage.Insert(model) == null)
+            {
+                _logger.LogWarning("Insert operation failed");
+                return false;
+            }
+            return true;
+        }
+
+        public bool Delete(ConsultationBindingModel model)
+        {
+            CheckModel(model, false);
+            _logger.LogInformation("Delete. Id:{Id}", model.Id);
+            if (_consultationStorage.Delete(model) == null)
+            {
+                _logger.LogWarning("Delete operation failed");
+                return false;
+            }
+            return true;
+        }
+
+        public ConsultationViewModel? ReadElement(ConsultationSearchModel model)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            _logger.LogInformation("ReadElement. ConsultationDate:{ConsultationDate}. Id:{Id}", model.ConsultationDate, model.Id);
+            var element = _consultationStorage.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<ConsultationViewModel>? ReadList(ConsultationSearchModel? model)
+        {
+            _logger.LogInformation("ReadList. ConsultationDate:{ConsultationDate}.Id:{Id}", model?.ConsultationDate, model?.Id);
+            var list = model == null ? _consultationStorage.GetFullList() : _consultationStorage.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(ConsultationBindingModel model)
+        {
+            CheckModel(model);
+            if (_consultationStorage.Update(model) == null)
+            {
+                _logger.LogWarning("Update operation failed");
+                return false;
+            }
+            return true;
+        }
+        public bool AddLawyerToConsultation(ConsultationSearchModel model, ILawyerModel lawyer)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+
+            var element = _consultationStorage.GetElement(model);
+
+            if (element == null)
+            {
+                return false;
+            }
+
+            element.ConsultationLawyers[lawyer.Id] = lawyer;
+
+            _consultationStorage.Update(new()
+            {
+                Id = element.Id,
+                Cost = element.Cost,
+                ConsultationDate = element.ConsultationDate,
+                CaseId = element.CaseId,
+                ConsultationLawyers = element.ConsultationLawyers,
+                GuarantorId = element.GuarantorId,
+            });
+
+            return true;
+        }
+        private void CheckModel(ConsultationBindingModel model, bool withParams = true)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            if (!withParams)
+            {
+                return;
+            }
+            if (string.IsNullOrEmpty((model.ConsultationDate).ToString()))
+            {
+                throw new ArgumentNullException("Не поставлено время", nameof(model.ConsultationDate));
+            }
+
+            _logger.LogInformation("Consultation. ConsultationDate:{ConsultationDate}. Id: {Id}  ", model.ConsultationDate, model.Id);
+            var element = _consultationStorage.GetElement(new ConsultationSearchModel
+            {
+                ConsultationDate = model.ConsultationDate
+
+            });
+            if (element != null && element.Id != model.Id)
+            {
+                throw new InvalidOperationException("На данное время уже назначена консультация");
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/LawCompany/LawCompanyBusinessLogic/BusinessLogics/ExecutorLogic.cs b/LawCompany/LawCompanyBusinessLogic/BusinessLogics/ExecutorLogic.cs
index b7491cc..0dc5de3 100644
--- a/LawCompany/LawCompanyBusinessLogic/BusinessLogics/ExecutorLogic.cs
+++ b/LawCompany/LawCompanyBusinessLogic/BusinessLogics/ExecutorLogic.cs
@@ -119,8 +119,8 @@ namespace LawCompanyBusinessLogic.BusinessLogics
 			});
 			if (element != null && element.Id != model.Id)
 			{
-				throw new InvalidOperationException("Клиент с такими данными уже есть");
-			}
-		}
+                throw new InvalidOperationException("Исполнитель с такими данными уже есть");
+            }
+        }
 	}
 }
diff --git a/LawCompany/LawCompanyBusinessLogic/BusinessLogics/GuarantorLogic.cs b/LawCompany/LawCompanyBusinessLogic/BusinessLogics/GuarantorLogic.cs
new file mode 100644
index 0000000..3d179f1
--- /dev/null
+++ b/LawCompany/LawCompanyBusinessLogic/BusinessLogics/GuarantorLogic.cs
@@ -0,0 +1,121 @@
+using LawCompanyContracts.BindingModels;
+using LawCompanyContracts.BusinessLogicContracts;
+using LawCompanyContracts.SearchModels;
+using LawCompanyContracts.StoragesContracts;
+using LawCompanyContracts.ViewModels;
+using Microsoft.Extensions.Logging;
+
+namespace LawCompanyBusinessLogic.BusinessLogics
+{
+    public class GuarantorLogic : IGuarantorLogic
+    {
+        private readonly ILogger _logger;
+        private readonly IGuarantorStorage _guarantorStorage;
+
+        public GuarantorLogic(ILogger logger, IGuarantorStorage guarantorStorage)
+        {
+            _logger = logger;
+            _guarantorStorage = guarantorStorage;
+        }
+
+        public bool Create(GuarantorBindingModel model)
+        {
+            CheckModel(model);
+            if (_guarantorStorage.Insert(model) == null)
+            {
+                _logger.LogWarning("Insert operation failed");
+                return false;
+            }
+            return true;
+        }
+
+        public bool Update(GuarantorBindingModel model)
+        {
+            CheckModel(model);
+            if (_guarantorStorage.Update(model) == null)
+            {
+                _logger.LogWarning("Update operation failed");
+                return false;
+            }
+            return true;
+        }
+
+        public bool Delete(GuarantorBindingModel model)
+        {
+            CheckModel(model, false);
+            _logger.LogInformation("Delete. Id:{Id}", model.Id);
+            if (_guarantorStorage.Delete(model) == null)
+            {
+                _logger.LogWarning("Delete operation failed");
+                return false;
+            }
+            return true;
+        }
+
+        public List<GuarantorViewModel>? ReadList(GuarantorSearchModel? model)
+        {
+            _logger.LogInformation("ReadList. GuarantorName:{GuarantorName}.Id:{Id}", model?.FIO, model?.Id);
+            var list = model == null ? _guarantorStorage.GetFullList() : _guarantorStorage.GetFilteredList(model);
+            if (list == null)
+            {
+                _logger.LogWarning("ReadList return null list");
+                return null;
+            }
+            _logger.LogInformation("ReadList. Count:{Count}", list.Count);
+            return list;
+        }
+
+        public GuarantorViewModel? ReadElement(GuarantorSearchModel model)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            _logger.LogInformation("ReadElement. GuarantorName:{GuarantorName}. Id:{Id}", model.FIO, model.Id);
+            var element = _guarantorStorage.GetElement(model);
+            if (element == null)
+            {
+                _logger.LogWarning("ReadElement element not found");
+                return null;
+            }
+            _logger.LogInformation("ReadElement find. Id:{Id}", element.Id);
+            return element;
+        }
+
+        private void CheckModel(GuarantorBindingModel model, bool withParams = true)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            if (!withParams)
+            {
+                return;
+            }
+            if (string.IsNullOrEmpty(model.FIO))
+            {
+                throw new ArgumentNullException("Нет имени поручителя", nameof(model.FIO));
+            }
+            if (string.IsNullOrEmpty(model.Email))
+            {
+                throw new ArgumentNullException("Нет e-mail поручителя", nameof(model.Email));
+            }
+            if (string.IsNullOrEmpty(model.Password))
+            {
+                throw new ArgumentNullException("Нет пароля поручителя", nameof(model.Password));
+            }
+
+            _logger.LogInformation("Guarantor. GuarantorName:{FIO}. E-mail:{Email}. Password: {Password} Id: {Id} ", model.FIO, model.Email, model.Password, model.Id);
+            var element = _guarantorStorage.GetElement(new GuarantorSearchModel
+            {
+                FIO = model.FIO,
+                Email = model.Email,
+                Password = model.Password,
+            });
+            if (element != null && element.Id != model.Id)
+            {
+                throw new InvalidOperationException("Поручитель с такими данными уже есть");
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/LawCompany/LawCompanyBusinessLogic/BusinessLogics/HearingLogic.cs b/LawCompany/LawCompanyBusinessLogic/BusinessLogics/HearingLogic.cs
new file mode 100644
index 0000000..08c0aef
--- /dev/null
+++ b/LawCompany/LawCompanyBusinessLogic/BusinessLogics/HearingLogic.cs
@@ -0,0 +1,139 @@
+using LawCompanyContracts.BindingModels;
+using LawCompanyContracts.BusinessLogicContracts;
+using LawCompanyContracts.SearchModels;
+using LawCompanyContracts.StoragesContracts;
+using LawCompanyContracts.ViewModels;
+using LawCompanyDataModels.Models;
+using Microsoft.Extensions.Logging;
+
+namespace LawCompanyBusinessLogic.BusinessLogics
+{
+    public class HearingLogic : IHearingLogic
+    {
+        private readonly ILogger _logger;
+        private readonly IHearingStorage _hearingStorage;
+
+        public HearingLogic(ILogger<HearingLogic> logger, IHearingStorage hearingStorage)
+        {
+            _logger = logger;
+            _hearingStorage = hearingStorage;
+        }
+
+        public bool Create(HearingBindingModel model)
+        {
+            CheckModel(model);
+            if (_hearingStorage.Insert(model) == null)
+            {
+                _logger.LogWarning("Insert operation failed");
+                return false;
+            }
+            return true;
+        }
+
+        public bool Delete(HearingBindingModel model)
+        {
+            CheckModel(model, false);
+            _logger.LogInformation("Delete. Id:{Id}", model.Id);
+            if (_hearingStorage.Delete(model) == null)
+            {
+                _logger.LogWarning("Delete operation failed");
+                return false;
+            }
+            return true;
+        }
+
+        public HearingViewModel? ReadElement(HearingSearchModel model)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            _logger.LogInformation("ReadElement. HearingDate:{HearingDate}. Id:{Id}", model.HearingDate, model.Id);
+            var element = _hearingStorage.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<HearingViewModel>? ReadList(HearingSearchModel? model)
+        {
+            _logger.LogInformation("ReadList. HearingDate:{HearingDate}.Id:{Id}", model?.HearingDate, model?.Id);
+            var list = model == null ? _hearingStorage.GetFullList() : _hearingStorage.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(HearingBindingModel model)
+        {
+            CheckModel(model);
+            if (_hearingStorage.Update(model) == null)
+            {
+                _logger.LogWarning("Update operation failed");
+                return false;
+            }
+            return true;
+        }
+        public bool AddLawyerToHearing(HearingSearchModel model, ILawyerModel lawyer)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+
+            var element = _hearingStorage.GetElement(model);
+
+            if (element == null)
+            {
+                return false;
+            }
+
+            element.HearingLawyers[lawyer.Id] = lawyer;
+
+            _hearingStorage.Update(new()
+            {
+                Id = element.Id,
+                HearingDate = element.HearingDate,
+                Judge = element.Judge,
+                HearingLawyers = element.HearingLawyers,
+                GuarantorId = element.GuarantorId,
+            });
+
+            return true;
+        }
+        private void CheckModel(HearingBindingModel model, bool withParams = true)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            if (!withParams)
+            {
+                return;
+            }
+            if (string.IsNullOrEmpty((model.HearingDate).ToString()))
+            {
+                throw new ArgumentNullException("Не поставлено время", nameof(model.HearingDate));
+            }
+
+            _logger.LogInformation("Hearing. HearingDate:{HearingDate}. Id: {Id}  ", model.HearingDate, model.Id);
+            var element = _hearingStorage.GetElement(new HearingSearchModel
+            {
+                HearingDate = model.HearingDate
+
+            });
+            if (element != null && element.Id != model.Id)
+            {
+                throw new InvalidOperationException("На данное время уже назначено слушание");
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/LawCompany/LawCompanyBusinessLogic/BusinessLogics/LawyerLogic.cs b/LawCompany/LawCompanyBusinessLogic/BusinessLogics/LawyerLogic.cs
new file mode 100644
index 0000000..91740b8
--- /dev/null
+++ b/LawCompany/LawCompanyBusinessLogic/BusinessLogics/LawyerLogic.cs
@@ -0,0 +1,153 @@
+using LawCompanyContracts.BindingModels;
+using LawCompanyContracts.BusinessLogicContracts;
+using LawCompanyContracts.SearchModels;
+using LawCompanyContracts.StoragesContracts;
+using LawCompanyContracts.ViewModels;
+using Microsoft.Extensions.Logging;
+
+namespace LawCompanyBusinessLogic.BusinessLogics
+{
+    public class LawyerLogic : ILawyerLogic
+    {
+        private readonly ILogger _logger;
+        private readonly ILawyerStorage _lawyerStorage;
+
+        public LawyerLogic(ILogger<LawyerLogic> logger, ILawyerStorage lawyerStorage)
+        {
+            _logger = logger;
+            _lawyerStorage = lawyerStorage;
+        }
+
+        public bool Create(LawyerBindingModel model)
+        {
+            CheckModel(model);
+            if (_lawyerStorage.Insert(model) == null)
+            {
+                _logger.LogWarning("Insert operation failed");
+                return false;
+            }
+            return true;
+        }
+
+        public bool Delete(LawyerBindingModel model)
+        {
+            CheckModel(model, false);
+            _logger.LogInformation("Delete. Id:{Id}", model.Id);
+            if (_lawyerStorage.Delete(model) == null)
+            {
+                _logger.LogWarning("Delete operation failed");
+                return false;
+            }
+            return true;
+        }
+
+        public List<LawyerViewModel>? ReadHearingElementList(HearingSearchModel? model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            var list = _lawyerStorage.GetLawyerHearingList(model);
+            if (list == null)
+            {
+                _logger.LogWarning("ReadList return null list");
+                return null;
+            }
+            _logger.LogInformation("ReadList. Count:{Count}", list.Count);
+            return list;
+        }
+
+        public List<LawyerViewModel>? ReadConsultationElementList(ConsultationSearchModel? model)
+        {
+            if (model == null)
+            {
+                return null;
+            }
+            var list = _lawyerStorage.GetLawyerConsultationList(model);
+            if (list == null)
+            {
+                _logger.LogWarning("ReadList return null list");
+                return null;
+            }
+            _logger.LogInformation("ReadList. Count:{Count}", list.Count);
+            return list;
+        }
+
+        public LawyerViewModel? ReadElement(LawyerSearchModel model)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            _logger.LogInformation("ReadElement. LawyerName:{FIO}. Id:{Id}", model.FIO, model.Id);
+            var element = _lawyerStorage.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<LawyerViewModel>? ReadList(LawyerSearchModel? model)
+        {
+            _logger.LogInformation("ReadList. LawyerName:{LawyerName}.Id:{Id}", model?.FIO, model?.Id);
+            var list = model == null ? _lawyerStorage.GetFullList() : _lawyerStorage.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(LawyerBindingModel model)
+        {
+            CheckModel(model);
+            if (_lawyerStorage.Update(model) == null)
+            {
+                _logger.LogWarning("Update operation failed");
+                return false;
+            }
+            return true;
+        }
+        private void CheckModel(LawyerBindingModel model, bool withParams = true)
+        {
+            if (model == null)
+            {
+                throw new ArgumentNullException(nameof(model));
+            }
+            if (!withParams)
+            {
+                return;
+            }
+            if (string.IsNullOrEmpty(model.FIO))
+            {
+                throw new ArgumentNullException("Нет имени юриста", nameof(model.FIO));
+            }
+            if (string.IsNullOrEmpty(model.Phone))
+            {
+                throw new ArgumentNullException("Нет телефона юриста", nameof(model.Phone));
+            }
+            if (string.IsNullOrEmpty(model.Email))
+            {
+                throw new ArgumentNullException("Нет e-mail юриста", nameof(model.Email));
+            }
+
+            _logger.LogInformation("Lawyer. LawyerName:{FIO}. Phone: {Phone}. E-mail:{Email}. Id: {Id} ", model.FIO, model.Phone, model.Email, model.Id);
+            var element = _lawyerStorage.GetElement(new LawyerSearchModel
+            {
+                FIO = model.FIO,
+                Phone = model.Phone,
+                Email = model.Email,
+
+            });
+            if (element != null && element.Id != model.Id)
+            {
+                throw new InvalidOperationException("Юрист с такими данными уже есть");
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/LawCompany/LawCompanyContracts/BindingModels/ConsultationBindingModel.cs b/LawCompany/LawCompanyContracts/BindingModels/ConsultationBindingModel.cs
index 7e97719..00e95f0 100644
--- a/LawCompany/LawCompanyContracts/BindingModels/ConsultationBindingModel.cs
+++ b/LawCompany/LawCompanyContracts/BindingModels/ConsultationBindingModel.cs
@@ -5,7 +5,7 @@ namespace LawCompanyContracts.BindingModels
     public class ConsultationBindingModel : IConsultationModel
     {
         public int Id { get; set; }
-        public string Cost { get; set; }
+        public double Cost { get; set; }
         public DateTime ConsultationDate { get; set; }
         public int CaseId { get; set; }
         public int GuarantorId { get; set; }
diff --git a/LawCompany/LawCompanyContracts/ViewModels/ConsultationViewModel.cs b/LawCompany/LawCompanyContracts/ViewModels/ConsultationViewModel.cs
index 76f03fe..d4ac4c2 100644
--- a/LawCompany/LawCompanyContracts/ViewModels/ConsultationViewModel.cs
+++ b/LawCompany/LawCompanyContracts/ViewModels/ConsultationViewModel.cs
@@ -9,6 +9,8 @@ namespace LawCompanyContracts.ViewModels
         public int Id { get; set; }
         [DisplayName("Цена консультации")]
         public double Cost { get; set; }
+        [DisplayName("Дата консультации")]
+        public DateTime ConsultationDate { get; set; }
         [DisplayName("Дело")]
         public string CaseName { get; set; } = string.Empty;
         public int CaseId { get; set; }
diff --git a/LawCompany/LawCompanyDatabaseImplement/Implements/ConsultationStorage.cs b/LawCompany/LawCompanyDatabaseImplement/Implements/ConsultationStorage.cs
new file mode 100644
index 0000000..81d75e7
--- /dev/null
+++ b/LawCompany/LawCompanyDatabaseImplement/Implements/ConsultationStorage.cs
@@ -0,0 +1,111 @@
+using LawCompanyContracts.BindingModels;
+using LawCompanyContracts.SearchModels;
+using LawCompanyContracts.StoragesContracts;
+using LawCompanyContracts.ViewModels;
+using LawCompanyDatabaseImplement.Models;
+using Microsoft.EntityFrameworkCore;
+
+namespace LawCompanyDatabaseImplement.Implements
+{
+    public class ConsultationStorage : IConsultationStorage
+    {
+        public List<ConsultationViewModel> GetFullList()
+        {
+            using var context = new LawCompanyDatabase();
+            return context.Consultations
+             .Include(x => x.Lawyers)
+            .ThenInclude(x => x.Lawyer)
+            .ToList()
+            .Select(x => x.GetViewModel)
+            .ToList();
+        }
+        public List<ConsultationViewModel> GetFilteredList(ConsultationSearchModel model)
+        {
+            if (!model.Id.HasValue && !model.Cost.HasValue && !model.ConsultationDate.HasValue
+                && !model.CaseId.HasValue && !model.GuarantorId.HasValue)
+            {
+                return new();
+            }
+            if (!model.DateFrom.HasValue || !model.DateTo.HasValue)
+            {
+                using var context = new LawCompanyDatabase();
+                return context.Consultations
+                .Include(x => x.Lawyers).ThenInclude(x => x.Lawyer)
+                .Where(x => x.Id == model.Id)
+                .Select(x => x.GetViewModel)
+                .ToList();
+            }
+            else
+            {
+                using var context = new LawCompanyDatabase();
+                return context.Consultations
+                .Include(x => x.Lawyers).ThenInclude(x => x.Lawyer)
+                .Where(x => x.ConsultationDate >= model.DateFrom && x.ConsultationDate <= model.DateTo)
+                .Select(x => x.GetViewModel)
+                .ToList();
+            }
+        }
+        public ConsultationViewModel? GetElement(ConsultationSearchModel model)
+        {
+            if (!model.Id.HasValue && !model.ConsultationDate.HasValue && !model.CaseId.HasValue)
+            {
+                return new();
+            }
+            using var context = new LawCompanyDatabase();
+            return context.Consultations.Include(x => x.Lawyers).ThenInclude(x => x.Lawyer)
+            .FirstOrDefault(x => (model.CaseId.HasValue && x.Case == model.CaseId)
+                || (model.Id.HasValue && x.Id == model.Id))
+            ?.GetViewModel;
+        }
+        public ConsultationViewModel? Insert(ConsultationBindingModel model)
+        {
+            using var context = new LawCompanyDatabase();
+            var newConsultation = Consultation.Create(context, model);
+            if (newConsultation == null)
+            {
+                return null;
+            }
+            context.Consultations.Add(newConsultation);
+            context.SaveChanges();
+            return newConsultation.GetViewModel;
+        }
+        public ConsultationViewModel? Update(ConsultationBindingModel model)
+        {
+            using var context = new LawCompanyDatabase();
+            using var transaction = context.Database.BeginTransaction();
+            try
+            {
+                var consultation = context.Consultations.FirstOrDefault(rec =>
+                rec.Id == model.Id);
+                if (consultation == null)
+                {
+                    return null;
+                }
+                consultation.Update(model);
+                context.SaveChanges();
+                consultation.UpdateLawyers(context, model);
+                transaction.Commit();
+                return consultation.GetViewModel;
+            }
+            catch
+            {
+                transaction.Rollback();
+                throw;
+            }
+        }
+        public ConsultationViewModel? Delete(ConsultationBindingModel model)
+        {
+            using var context = new LawCompanyDatabase();
+            var element = context.Consultations
+            .Include(x => x.Lawyers)
+            .FirstOrDefault(rec => rec.Id == model.Id);
+            if (element != null)
+            {
+                context.Consultations.Remove(element);
+                context.SaveChanges();
+                return element.GetViewModel;
+            }
+            return null;
+        }
+    }
+}
diff --git a/LawCompany/LawCompanyDatabaseImplement/LawFirmDatabase.cs b/LawCompany/LawCompanyDatabaseImplement/LawCompanyDatabase.cs
similarity index 82%
rename from LawCompany/LawCompanyDatabaseImplement/LawFirmDatabase.cs
rename to LawCompany/LawCompanyDatabaseImplement/LawCompanyDatabase.cs
index f0efe40..b5a8dc0 100644
--- a/LawCompany/LawCompanyDatabaseImplement/LawFirmDatabase.cs
+++ b/LawCompany/LawCompanyDatabaseImplement/LawCompanyDatabase.cs
@@ -6,7 +6,7 @@ using System.Threading.Tasks;
 
 namespace LawCompanyDatabaseImplement
 {
-	internal class LawFirmDatabase
+	internal class LawCompanyDatabase
 	{
 	}
 }