Name
- British Legation, Tehran, c 1836-19447
- Foreign Office, 1782-19686
- Government of Iran, Pahlavi dynasty, 1925-19795
- Cable and Wireless Ltd, 1929-19814
- Indo-European Telegraph Company, 1868-19293
- Indo-European Telegraph Department, 1862-19313
- Government of India, Foreign Secretary, 1843-19372
- Minister for Foreign Affairs, Iran, 1821-2
- British Consul, Seistan and Kain, 1903?-1935?1
- Colonial Office, 1854-19661
- Government of Hejaz and Najd, 1927-19321
- Government of India, 1834-19471
- Government of India, Foreign and Political Department, 1783-19371
- Government of Iraq, Early 20th century-Mid 20th century1
- Government of Persia, Qājār dynasty, 1794-19251
- Government of Turkey, 1920-1
- HM Ambassador to Saudi Arabia, 1930-1
- HM Ambassador to the Republic of Turkey, 1920-1
- HM Chargé d'Affaires to Iran, Mid 19th century-Mid 20th century1
- High Commissioner, Egypt, 1914-19361