Although both governments also have close relationships with many other nations, the level of cooperation between the UK and the U.S. in trade and commerce, military planning, execution of military operations, nuclear weapons technology, and intelligence sharing has been described as "unparalleled" among major world powers.
Meskipun Britania dan Amerika juga menjalin hubungan yang dekat dengan negara lainnya, tingkat kerjasama antar kedua negara ini dalam bidang ekonomi, perdagangan, perencanaan militer, pelaksanaan operasi militer, teknologi senjata nuklir, dan intelijen dianggap sebagai hubungan yang "tak tertandingi" di antara negara-negara besar.