Greenwich , Bexley and Lewisham Chamber of Commerce
- Promotes the interests of professional businesses and provides a platform for the exchange of views on trade and welfare of traders in the Boroughs.
- http://www.chamber-of-commerce.org.uk/

JCI London
- Provide opportunities for personal and professional advancement for young professionals working in and around London.
- http://www.jcilondon.org.uk/

The Business Connection
- A networking club for new business people in West London.
- http://businessconnection.org.uk/

The London Food Centre
- None profit making organisation set up to help food businesses, in the London area, expand and improve profitability. Offer practical advice on all food related matters from start-up to export.
- http://www.londonfood.org.uk/

Institution of Electrical Engineers ( IEE )
- The IEE represents the profession of electrical, electronic, manufacturing and systems engineering and related sciences.
- http://www.iee.org/

London Farmers' Markets
- Details of where and when, jobs, recipes and how to sell.
- http://www.lfm.org.uk/

North London Chamber of Commerce
- Advice, information, representation and networking opportunities for North London based businesses. Covers London Boroughs of Barnet, Enfield and Haringey
- http://www.nlcc.co.uk

International Institute of Communications (IIC)
- The International Institute of Communications is an independent non-profit organisation with members around the world. Its interests span all areas of communications and information, including broadcasting, telecommunication and new media.
- http://www.iicom.org/

The Tobacco Manufacturers' Association
- Represents tobacco companies that operate in the United Kingdom and provides information about issues such as taxation, smuggling, smoking in public places and youth access prevention.
- http://www.the-tma.org.uk/