MeeStart pricing split in 3 categories, to keep things simple. 

Monthly 30$ / Agent so you can register your staff, with their skills, availability. 

Monthly 30$ / Company to be registered company, so you can add your partners and partners can add you. This is fixed price whatever size of the company or number of partners you have.  

There is no price per project, or per partners. This is all you have to pay.