Here's the thing: British IPTV regional grouping depends entirely on the IPTV reseller panel configuration. The British IPTV reseller can create categories like "Scotland," "Wales," "Northern Ireland," "Poland," "India." Most British IPTV reseller operators don't. They dump all UK channels into "UK" and all international channels into "International." You scroll through 500 channels to find the 5 you want.
In most cases, the British IPTV reseller imports categories from their source. If the source has bad grouping, your British IPTV has bad grouping. The British IPTV reseller could manually recategorize. That takes hours. Most don't.
What actually works is asking: "How do you group channels by region or language?" A British IPTV reseller who says "we have categories for Scotland, Wales, Ireland, Poland, and India" has done the work. One who says "everything is in UK or International" has not. Test by browsing. If you find your regional channels easily, grouping is good.
The pattern that keeps showing up is this: British IPTV services targeting expat communities have excellent regional grouping. A British IPTV reseller serving Polish expats in the UK will have "Poland" category with 50 channels. General services have no grouping.
Take a real example. A British IPTV reseller puts all 5,000 channels in "All Channels." You want Scottish channels. You scroll for 10 minutes. Find 3. Another British IPTV reseller has "Scotland" category with 20 channels. You find them in 5 seconds.
Honestly, you can create your own regional groups in many players. TiviMate lets you create custom categories. Add your regional channels. Name it "My Scotland." Takes 10 minutes once. The British IPTV reseller's bad grouping becomes irrelevant.
That said, some British IPTV reseller operators have automatic regional grouping. Their IPTV panel analyzes channel names and places them in logical categories. "BBC Scotland" goes to "Scotland." "S4C" goes to "Wales." Works 90% of the time.
The best British IPTV services for regional content are those where your home region has its own category. You click one folder. All your channels are there. No scrolling. No searching. Their IPTV panel is configured for real people, not database dumps.