Name
- Department of Overseas Trade, 1918-1953[remove]23
- Foreign Office, 1782-19687
- Board of Trade, 1786-19703
- British Legation, Tehran, c 1836-19443
- British Vice-Consul, Bushire, Early 20th century3
- Persian Gulf Political Residency, 1822-19713
- Political Resident, Persian Gulf, 1822-19713
- Colonial Office, 1854-19662
- Government of India, Foreign and Political Department, 1783-19372
- Secretary in Charge of Commercial Affairs, British Legation, Tehran, 1st half of the 20th century2
- Arabian American Oil Company, 1933-19881
- Arnhold & Company Limited, Merchants, 1866-1
- Bayldon, Robert Corbett, naval officer, 1881-19581
- Boulton Brothers and Co, bankers, 1907?-19241
- British Consul General, Beirut, 19th century-20th century1
- British Consul General, Yunnanfu, Early 20th century-Mid 20th century1
- British Consulate General, Meshed, 1807-19681
- British Cotton Growing Association, 1902-Late 20th century1
- British Trade Corporation, investment bank, 1917-19261
- Cable and Wireless Ltd, 1929-19811