We recommend that you do not contact any specific companies but hire specialists in your staff to work on the project. Employment is carried out according to smart contracts, which stipulate everything: both the responsibility of the parties, and the guarantees of the developers, and their fee in case of successful completion of the project.
Only working in close contact with customers will give developers the opportunity to show all their abilities. And here the question arises - where to find such highly qualified specialists? Call to Alfee - we have hundreds of experienced professionals from whom you can choose a team to implement your project. We will be glad to start cooperation with you.