One brand name, two separate sites
The single most useful thing a UK player can know about Yukon Gold Casino is that it does not run one website — it runs two, and they are not interchangeable. The UK-facing address, yukongoldcasino.co.uk, sits under a Gambling Commission licence. The international address, yukongold.casino, does not. They wear the same brand, the same artwork and the same name, so it is easy to assume that whichever you reach is "the same casino". For the purposes of your money, it is not.
We verified the UK side against the Gambling Commission's public register on . The licence belongs to Apollo Entertainment Limited under account 38620 — an active licence holding 27 .co.uk domains across the Casino Rewards stable, with no regulatory actions recorded against it. That is the version a UK player should want to be on: a real UK licence carries a complaints route, an approved dispute scheme and a regulator that can act.
The international .casino domain is a different proposition. We could not find it on the UKGC licence; the regulation behind it is Kahnawake, not the Gambling Commission. For a player based in Britain that distinction is the whole game — here is how to confirm which side you are on in about two minutes, before you deposit a penny.