In fact it's Business Object, which was recently acquired by SAP, who is building tools that take the concepts of social networking into a business to business environment. Check out this video, not exactly what you need in a 35-person agency, but a real efficiency boost for large corporations.
http://vimeo.com/moogaloop.swf?clip_id=4293994&server=vimeo.com&show_title=1&show_byline=1&show_portrait=0&color=00ADEF&fullscreen=1
