There seems to be many people that are joining the ranks of solo service providers around social tools. Fortunately there are some that are insanely great people taking these steps. Stewart Mader is one of these insanely great people now fully out on his own. Stewart Mader's Wiki Adoption Services are the place to start for not only initial stages of thinking through and planning successful wiki projects, but also for working through the different needs and perspectives that come with the 6 month and one year realizations.
Those of you not familiar with Stewart, he wrote the best book on understanding wikis and adoption, Wikipatterns and is my personal favorite speaker on the subject of wikis. Others may have more broadly known names, but can not come close to touching his breadth nor depth of knowledge on the subject. His understandings of wikis and their intersection with other forms and types of social tools is unsurpassed.
I welcome Stewart to the realm of social tool soloists experts. I look forward to one day working on a project with Stewart.