I need a digital lawyer

hello good I am creating a website with explicit content for adults and I need to register the company here in the United Kingdom to be able to hire the payment gateway for my website, I also need a lawyer to prepare the contracts, terms and policies of use and cookies for my page under the laws and legislation that they have here in the united kingdom I would also like to know the cost and what other steps I must follow to have everything legal thanks

I don't know how much what I need costs that's why I have put (small project) thanks