- Association of Chartered Certified Accountants
- HM Revenue and Customs
- HM Treasury
- Companies House
- The Charity Commission
- Financial Services Authority
- National Business Register
- East London Small Business Centre
- Department of Trade and Industry
- Office of Fair Trading
- Office of Information Commissioner
- Department for Education and Employment
- Business Link for London
- Confederation of British Industry
- Institute of Directors
- London Stock Exchange
- FTSE
- Enterpriseenfield
- North London Chamber of Commerce