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The following units of the British and Sarawakian forces under Rajah James Brooke, fought against the Bruneian and Marudu forces, led by Sultan Omar Ali Saifuddien II and Syarif Osman respectively during the Anglo-Bruneian War.
Rajah James Brooke, Commander-in-Chief
Headquarters
| Brigade | Battalion | Companies | 
|---|---|---|
| Sarawakian Army | Several armies of Brooke aligned chiefs and local volunteers | Smaller village armies | 
| Royal Navy Adm. Thomas John Cochrane | Labuan 
 | Squadron of from six to eight ships [4] [1] | 
| Marudu 
 | 
Sultan Omar Ali Saifuddien II, Commander-in-Chief
Headquarters
| Brigade | Battalion | Companies | 
|---|---|---|
| Bruneian Army | Muara | none | 
| Sarawak 
 | Sarawakian Kedayan company [7] | |
| Bruneian Navy | Membakut 
 | none | 
| Pirates [4]  [1] Pengiran Yusof(k) | 
Rajah Syarif Osman(wm) 1,000 warriors [8]