create a website similar to freelancer

Greetings all, i would like to make a website similar to freelancer, same structure, same concept but diffrent brand name, will require , it will be mainly for taking consultancy from lawyers, but still can make it for general consultancy, any expert can bid on the job and place a bid on the project the user created. as laws differs in each and every country, its better to have an option to put in there while creating the project where the user place preferation from which country service providers he likes to recieve bids from, this will help in narrowing the search and get him what he requires . lawyers can place thier bids for initial consultancy for the fees they see fit, payment system will be same as free lancer with mile stones, after the user discuss the case and provide the einitial consultancy for the user, the user and the service provider are obliged to continue the case within our website as it is the platform where they met, payment will be made as milestones for whatever project discussed just like they agreed on, our website will charge fees similar to freelancer. need someone efficient and can deliver something professional with an affordable fee place bids with confidence as long you believe you can deliver the above