| 27 May 1847 |
|
Treaty of Friendship and Commerce and for the Suppression of the Slave Trade between Great Britain and Borneo. |
| 17 September 1888 |
17 September 1888 |
Agreement between the British Government and the Sultan of Brunei, for the establishment of a British Protectorate |
| 8 September 1951 |
|
Agreement between the United Kingdom and the United Nations World Health Organisation (WHO) on the provision of Technical Assistance with respect to Brunei |
| 29 September 1959 |
|
Overseas Service Agreement between the United Kingdom and Brunei |
| 29 September 1959 |
|
Agreement concerning Defence and External Affairs |