Suggest an update Name* Categories* State* Locality* ZIP* Street address* Phone* Website* Company description* You have visited the company page Gems - The Defence Ideas Scheme, which is in category armed forces. The legal address of the company is Main Building, Whitehall, London SW1A 2HB. For more information, call 02072189000 Your comments* (not for publishing) * — Required information Gems - The Defence Ideas Scheme ← View details Main Building, Whitehall, London SW1A 2HB, United Kingdom, Whitehall, London 02072189000