diff --git a/ShoppingAssistantApi.Application/Exceptions/UnAuthorizedException.cs b/ShoppingAssistantApi.Application/Exceptions/UnAuthorizedException.cs
new file mode 100644
index 0000000..da8a0fa
--- /dev/null
+++ b/ShoppingAssistantApi.Application/Exceptions/UnAuthorizedException.cs
@@ -0,0 +1,11 @@
+using MongoDB.Bson;
+using ShoppingAssistantApi.Domain.Common;
+
+namespace ShoppingAssistantApi.Application.Exceptions;
+
+public class UnAuthorizedException<TEntity> : Exception where TEntity : EntityBase
+{
+    public UnAuthorizedException() { }
+
+    public UnAuthorizedException(ObjectId id) : base(String.Format($"Access to object {id} of type {typeof(TEntity).Name} denied.")) { }
+}
diff --git a/ShoppingAssistantApi.Application/IRepositories/IMessagerepository.cs b/ShoppingAssistantApi.Application/IRepositories/IMessagerepository.cs
new file mode 100644
index 0000000..5387549
--- /dev/null
+++ b/ShoppingAssistantApi.Application/IRepositories/IMessagerepository.cs
@@ -0,0 +1,5 @@
+using ShoppingAssistantApi.Domain.Entities;
+
+namespace ShoppingAssistantApi.Application.IRepositories;
+
+public interface IMessagesRepository : IBaseRepository<Message> { }
diff --git a/ShoppingAssistantApi.Application/IRepositories/IWishlistRepository.cs b/ShoppingAssistantApi.Application/IRepositories/IWishlistRepository.cs
new file mode 100644
index 0000000..f5789e5
--- /dev/null
+++ b/ShoppingAssistantApi.Application/IRepositories/IWishlistRepository.cs
@@ -0,0 +1,5 @@
+using ShoppingAssistantApi.Domain.Entities;
+
+namespace ShoppingAssistantApi.Application.IRepositories;
+
+public interface IWishlistsRepository : IBaseRepository<Wishlist> { }
diff --git a/ShoppingAssistantApi.Application/IServices/IWishlistService.cs b/ShoppingAssistantApi.Application/IServices/IWishlistService.cs
new file mode 100644
index 0000000..5ba8be9
--- /dev/null
+++ b/ShoppingAssistantApi.Application/IServices/IWishlistService.cs
@@ -0,0 +1,11 @@
+using ShoppingAssistantApi.Application.Models.CreateDtos;
+using ShoppingAssistantApi.Application.Models.Dtos;
+
+namespace ShoppingAssistantApi.Application.IServices;
+
+public interface IWishlistsService
+{
+    Task<WishlistDto> StartPersonalWishlistAsync(WishlistCreateDto dto, CancellationToken cancellationToken);
+
+    Task<MessageDto> AddMessageToPersonalWishlistAsync(string wishlistId, MessageCreateDto dto, CancellationToken cancellationToken);
+}
diff --git a/ShoppingAssistantApi.Infrastructure/InfrastructureExtentions/ServicesExtention.cs b/ShoppingAssistantApi.Infrastructure/InfrastructureExtentions/ServicesExtention.cs
index a462de4..0db9d03 100644
--- a/ShoppingAssistantApi.Infrastructure/InfrastructureExtentions/ServicesExtention.cs
+++ b/ShoppingAssistantApi.Infrastructure/InfrastructureExtentions/ServicesExtention.cs
@@ -14,6 +14,7 @@ public static class ServicesExtention
         services.AddScoped<IUserManager, UserManager>();
         services.AddScoped<ITokensService, TokensService>();
         services.AddScoped<IUsersService, UsersService>();
+        services.AddScoped<IWishlistsService, WishlistsService>();
 
         return services;
     }
diff --git a/ShoppingAssistantApi.Infrastructure/Services/WishlistsService.cs b/ShoppingAssistantApi.Infrastructure/Services/WishlistsService.cs
new file mode 100644
index 0000000..f667126
--- /dev/null
+++ b/ShoppingAssistantApi.Infrastructure/Services/WishlistsService.cs
@@ -0,0 +1,74 @@
+using AutoMapper;
+using MongoDB.Bson;
+using ShoppingAssistantApi.Application.Exceptions;
+using ShoppingAssistantApi.Application.GlobalInstances;
+using ShoppingAssistantApi.Application.IRepositories;
+using ShoppingAssistantApi.Application.IServices;
+using ShoppingAssistantApi.Application.Models.CreateDtos;
+using ShoppingAssistantApi.Application.Models.Dtos;
+using ShoppingAssistantApi.Application.Paging;
+using ShoppingAssistantApi.Domain.Entities;
+using ShoppingAssistantApi.Domain.Enums;
+
+namespace ShoppingAssistantApi.Infrastructure.Services;
+
+public class WishlistsService : IWishlistsService
+{
+    private readonly IWishlistsRepository _wishlistsRepository;
+    private readonly IMessagesRepository _messagesRepository;
+    private readonly IMapper _mapper;
+
+    public WishlistsService(IWishlistsRepository wishlistRepository, IMessagesRepository messageRepository, IMapper mapper)
+    {
+        _wishlistsRepository = wishlistRepository;
+        _messagesRepository = messageRepository;
+        _mapper = mapper;
+    }
+
+    public async Task<WishlistDto> StartPersonalWishlistAsync(WishlistCreateDto dto, CancellationToken cancellationToken)
+    {
+        var newWishlist = _mapper.Map<Wishlist>(dto);
+
+        newWishlist.CreatedById = (ObjectId) GlobalUser.Id;
+        newWishlist.CreatedDateUtc = DateTime.UtcNow;
+        newWishlist.Name = $"{newWishlist.Type} Search";
+
+        var createdWishlist = await _wishlistsRepository.AddAsync(newWishlist, cancellationToken);
+
+        var newMessage = new Message
+        {
+            Text = dto.FirstMessageText,
+            Role = MessageRoles.User.ToString(),
+            WishlistId = createdWishlist.Id
+        };
+        var createdMessage = await _messagesRepository.AddAsync(newMessage, cancellationToken);
+
+        return _mapper.Map<WishlistDto>(createdWishlist);
+    }
+
+    public async Task<MessageDto> AddMessageToPersonalWishlistAsync(string wishlistId, MessageCreateDto dto, CancellationToken cancellationToken)
+    {
+        var newMessage = _mapper.Map<Message>(dto);
+
+        if (!ObjectId.TryParse(wishlistId, out var wishlistObjectId))
+        {
+            throw new InvalidDataException("Provided id is invalid.");
+        }
+        newMessage.WishlistId = wishlistObjectId;
+        newMessage.Role = MessageRoles.User.ToString();
+        newMessage.CreatedById = (ObjectId) GlobalUser.Id;
+        newMessage.CreatedDateUtc = DateTime.UtcNow;
+
+        var relatedWishlistPage = await _wishlistsRepository.GetPageAsync(1, 1, x => x.Id == wishlistObjectId && x.CreatedById == GlobalUser.Id, cancellationToken);
+        var relatedWishlist = relatedWishlistPage.FirstOrDefault();
+
+        if (relatedWishlist == null)
+        {
+            throw new UnAuthorizedException<Wishlist>();
+        }
+
+        var createdMessage = await _messagesRepository.AddAsync(newMessage, cancellationToken);
+
+        return _mapper.Map<MessageDto>(createdMessage);
+    }
+}
diff --git a/ShoppingAssistantApi.Persistance/PersistanceExtentions/RepositoriesExtention.cs b/ShoppingAssistantApi.Persistance/PersistanceExtentions/RepositoriesExtention.cs
index 1ff1855..e48ae73 100644
--- a/ShoppingAssistantApi.Persistance/PersistanceExtentions/RepositoriesExtention.cs
+++ b/ShoppingAssistantApi.Persistance/PersistanceExtentions/RepositoriesExtention.cs
@@ -13,6 +13,8 @@ public static class RepositoriesExtention
 
         services.AddScoped<IRolesRepository, RolesRepository>();
         services.AddScoped<IUsersRepository, UsersRepository>();
+        services.AddScoped<IWishlistsRepository, WishlistsRepository>();
+        services.AddScoped<IMessagesRepository, MessagesRepository>();
         
         return services;
     }
diff --git a/ShoppingAssistantApi.Persistance/Repositories/MessagesRepository.cs b/ShoppingAssistantApi.Persistance/Repositories/MessagesRepository.cs
new file mode 100644
index 0000000..06481f6
--- /dev/null
+++ b/ShoppingAssistantApi.Persistance/Repositories/MessagesRepository.cs
@@ -0,0 +1,10 @@
+using ShoppingAssistantApi.Application.IRepositories;
+using ShoppingAssistantApi.Domain.Entities;
+using ShoppingAssistantApi.Persistance.Database;
+
+namespace ShoppingAssistantApi.Persistance.Repositories;
+
+public class MessagesRepository : BaseRepository<Message>, IMessagesRepository
+{
+    public MessagesRepository(MongoDbContext db) : base(db, "Messages") { }
+}
diff --git a/ShoppingAssistantApi.Persistance/Repositories/WishlistsRepository.cs b/ShoppingAssistantApi.Persistance/Repositories/WishlistsRepository.cs
new file mode 100644
index 0000000..da92066
--- /dev/null
+++ b/ShoppingAssistantApi.Persistance/Repositories/WishlistsRepository.cs
@@ -0,0 +1,10 @@
+using ShoppingAssistantApi.Application.IRepositories;
+using ShoppingAssistantApi.Domain.Entities;
+using ShoppingAssistantApi.Persistance.Database;
+
+namespace ShoppingAssistantApi.Persistance.Repositories;
+
+public class WishlistsRepository : BaseRepository<Wishlist>, IWishlistsRepository
+{
+    public WishlistsRepository(MongoDbContext db) : base(db, "Wishlists") { }
+}