Name
- Foreign Office, 1782-19683
- Director-General of the Persian Postal Service, Early 20th century2
- Government of Persia, Qājār dynasty, 1794-19252
- HM Ambassador to Iran, 1807-19802
- Political Resident, Persian Gulf, 1822-19712
- Secretary of State for Foreign Affairs, 1782-19682
- Universal Postal Union, 1874-2
- Anglo-Iranian Oil Company Limited, 1909-19541
- British Consul, Kerman, c 1895-19471
- British Consul, Tehran, Mid 19th century - Early 20th century1
- Euphrates and Tigris Steam Navigation Company, 1861-19601
- General Post Office, 1660-19691
- Government of India, 1834-19471
- Government of India, Director-General of Posts and Telegraphs, 1914-19471
- Government of India, Foreign Secretary, 1843-19371
- HM Ambassador to Spain, 1788-1
- HM Chargé d'Affaires to Iran, Mid 19th century-Mid 20th century1
- Mesopotamia Expeditionary Force, Chief Political Officer, 1914-1920?1
- Mesopotamia Expeditionary Force, Deputy Chief Political Officer, 1914-1920?1
- Minister for Foreign Affairs, Iran, 1821-1