i agree with jarrko.
I used to work in sales. Something my sales manager addressed constantly was "working smart" and "getting others to do the work for you" it sounds like he is trying to drive in my more business by utilizing you.
What i used to do: I would walk around the community usually around businesses ask to speak to their manager and tell them about the "community outreach program" we were doing and if he wanted to help with the "community outreach program" and by doing so we would give him "complimentary" goods. Usually by him "helping" as he thought, he was actually working for us because "helping" would usually involve him/her slipping in a few business cards/ flyers into their new member packages, or us coming by his business to solicit our product to their clients, or actually since we were allowed indoors to solicit, our # 1 target was his/her employees. Sure he/she got some good things out of it, but we usually drained the cow til there was nothing left. We would do this over and over again different businesses.
First of all find out exactly who he is when you meet him in person (for all you know he's probably just a recruiter lol) if its the main guy try to figure out if he's a "i'll scratch your back if you scratch my back" analyze him, and keep asking yourself will he will scratch your back if you scratch his (sounds funny i know), that way you know if you guys will be working as a team or if hes a jerk. If hes not that type of guy and you have a gut feeling he isnt then i wouldnt do it. After the analyzation process figure out his objective. Figure out what exactly he wants to do with you (if he wants you to bring work with him, or work for him) then find out what "complimentary" goods you get out of it if its worth it take it.
If you understand his objective and if there is compensation make sure you get it in writing nothing word of mouth. And always remember if it aint broken dont fix it. If you are doing fine in your basement, dont try fixing something that isnt broken. For all you know once you bring the clients to his studio its buh bye clients.
If he literally wants to co-own or co-start something with you then thats great its 50/50 but get that in writing too. Watch the movie SOCIAL NETOWRK you'll learn a lot about politics and how shady people can be.