Suggest an update Name* Categories* State* Locality* ZIP* Street address* Phone* Website* Company description* You have visited the company page H Clarkson and Co, which is in category Ammonia. The legal address of the company is 3 Lower Thames St, London, Greater London EC3R 6HE. For more information, call 02073340000 Your comments* (not for publishing) * — Required information H Clarkson and Co ← View details 3 Lower Thames St, London, Greater London EC3R 6HE, United Kingdom, London, Greater London 02073340000