What is the British equivalent to the American Chamber of Commerce?

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I have worked in many places in the world and now I am on the British territory working freelance. The Italian Camera di commercio, and American Chamber of Commerce were always useful places to access assistance and courses for running a business activity. It does not seem as straight forward here in England. USA also had a Better Business Bureau to help aspiring neo business holders.

What is the British equivalent to the American Chamber of Commerce?