Leave: 'EU trade tariffs restrict our freedom'
With giants such as Amazon in the marketplace, storing foreign goods and then distributing them to UK customers has become big business.
Stephen Britt's grandfather founded Anchor Storage in the 1920s near Tower Bridge. The company is now based in Suffolk and primarily deals with China and North America.
Stephen, who is the company's managing director, would like to see Britain leave the European Union because he thinks it would enable businesses like his to come to "mutually agreeable" terms with other countries around the world, rather than having to comply with EU trade tariffs.
You can find more from our series 'EU: Business talks' here