Website Developer Familiar with User Driven Content Sites

Looking for a reputable design company who's familiar with social sites.

[Timetraveler]

Hi,

I'm looking for a reputable company, not necessarily a freelancer to build a user driven content building site. I'll need customization of course but in general it would need to be similar to a Wikipedia type site but without "anyone" being able to edit the content. Just the person logged in would have access to the page.

Also, the pages being created would all have a template so to speak to make it easier on users to create their "myspace" type page.

So basically I'm looking for a company that's familiar with social media sites and offers higher end customization. I'm willing to pay a good price for a quality product and service. SEO knowledge is an absolute must for onpage optimization for this product.

If anyone has any recommendations on whom to start with that would be great.

Thanks

[Timetraveler]

To be more precise I'm looking for a company that can build a linkedin type site, but offers customization.

[Timetraveler]

Nobody knows of any Linkedin specialists they can recommend? Any help is appreciated. I cringe when I have to resort to getafreelancer