This is my past and present client list:

Training, Consultancy, Presentations
Galaxy Zoo – consultation and strategy
BBC – research and writing
DSGi/Equanet – training
CTRL-Shift – consultation and brainstorming
Carnegie UK Trust – research and report writing
Interaction London – consultation and training
More Creative – consultation and presentation
The British Council (via Tuttle Consulting) – consultation
Media Standards Trust – consultation
University of Lancashire – teaching
The Book Oven – consultation and social functionality design
ipVA – consultation and strategy
McKinsey – presentation
Pfizer – consultation and strategy
CHA – consultation
Holiday Extras – consultation and training
Global Partners – commissioned to write a report
British Council – presentation
Band & Brown – consultation
Oracle – presentation
NESTA – consultation and training
Edelman – consultation and presenation
Jackie Cooper PR – training and consultation
Socialtext/Dresdner Kleinwort Wasserstein – training
Fotango – brainstorming
Reuters – brainstorming
City Lit University – lecture
BBC News Interactive – presentation
BUPA – presentation
Guidewire Group – BlogOn conference producer
De Montfort University – lecture
MSN and Red Consultancy – presentation
Corante – consultation
Headshift – consultation
Fresca – consultation

The Guardian – freelance writer
Computer Weekly – blogger
Open Rights Group – Executive Director
Linux User and Developer – columnist