A chamber of commerce (or board of trade) is a form of business network, whose goal is to further the interests of businesses. it is formed by Business owners in towns and cities to advocate on behalf of the business community.
A chamber of commerce is a voluntary association of business firms belonging to different trades and industries. They serve as spokesmen and representatives of business community. They differ from country to country. It is made up of entrepreneurs, who work independently to achieve their goals.