I have been working at OEE Consulting as a contractor (More than 10 years)
Very down to earth and collaborative culture that puts people at all levels at the heart of the change agenda.
Travel to client sites can be considerable, but you can get to experience some great places and it also means you can live pretty much anywhere in the country.
Advice to Management
As you grow, try not to dilute the culture.
We had a great visit to Imperial College to meet MBA students last week, as part of our ongoing business school engagement programme. Full story and campus events calendar available here: http://glassdoor.com/slink.htm?key=vIMT1