Name
- Foreign Office, 1782-19687
- Political Resident, Persian Gulf, 1822-19717
- Government of the German Empire, 1871-19184
- Robert Wönckhaus and Company, 1890s-Early 20th century4
- Emir of Sharjah, al-Qāsimī dynasty, 1866-3
- Frank C Strick and Company Limited, shipping company, 1885-19723
- German Consul, Bushire, Early 20th century3
- Government of Persia, Qājār dynasty, 1794-19253
- Persian Railways Syndicate, 1911-19393
- Viceroy and Governor-General of India in Council, 1773-19473
- Ambassador of France to the United Kingdom, Early 18th century-2
- Ambassador of the Russian Empire to the United Kingdom, 1706-19172
- British Consul, Bandar Abbas, 19th century-19522
- British Legation, Tehran, c 1836-19442
- HM Ambassador to Iran, 1807-19802
- Société Internationale d'Etudes du Chemin de fer Transpersan, 1912-early 20th century2
- Trans-Iranian Railway, 1927-2
- Baring Brothers and Company Limited, 1891-19951
- Board of Trade, 1786-19701
- British Bank of Iran and the Middle East, 1889-19521