It has more tax powers in Bermuda than any of the devolved Scottish, Welch and Northern Irish parliaments and those of other, larger but less affluent BOTs.
Only in external affairs and defence does the UK have a controlling interest.
Bermuda has chosen not to be treated as one of the Overseas Countries and Territories (OCT) of the European Union (EU).
Tabling and dating
It was the UK Government that approved that Bermudians could have, on application, a UK passport and be treated as full UK nationals in every other way, but that Britons in Bermuda who are not also Bermudian would not have reciprocal rights.
For much of the last century it was given to a senior British UK military officer on retirement, or a politician who had held senior office.
As a BOT, Her Majesty the Queen is Bermuda's official Head of State. which costs the Bermuda taxpayers $2 million a year.
The Governor and Commander-in-Chief of Bermuda (see next paragraph) is appointed by The Queen (on the advice of the British Government in London) after consultation with the Premier of Bermuda. It is for the upkeep of Government House and its 30-plus pristine acres and for the Governor and Deputy Governor's (both from Britain) salary and their cars, their security, their travel, their housekeepers, their domestic staff and their accommodation.
See Bermuda History with the Old and New Worlds since 1500.