Name
- Foreign Office, 1782-19683
- British Bank of Iran and the Middle East, 1889-19522
- British Legation, Tehran, c 1836-19442
- Government of Persia, Qājār dynasty, 1794-19252
- HM Treasury, 12th century-2
- Civil Commissioner, Mesopotamia, 1917-19201
- Government of India, Finance Department, 1834-19471
- Government of India, Foreign and Political Department, 1783-19371
- Government of Iran, Pahlavi dynasty, 1925-19791
- Political Agent and Consul, Muscat, 1861-19711
- Political Resident, Persian Gulf, 1822-19711
- Sultan of Muscat and Oman, Āl Bū Sa‘īd Dynasty, 1861-19701