Defaults.Exposed › Country › United Kingdom
How secure are United Kingdom's business domains?
Most businesses in United Kingdom use a .uk domain. Across 5,559,413 of them, here's how their security stacks up — aggregate patterns only, never an individual business. As of 2026-06-28.
We use .uk as a stand-in for United Kingdom, based on the domain's ending rather than where a company is legally registered — so a United Kingdom business on a generic ending like .com isn't counted here.
Grade distribution
| Grade | Domains | Share |
|---|---|---|
| A+ | 181 | 0% |
| A | 1,320 | 0% |
| B | 38,114 | 0.7% |
| C | 313,375 | 5.6% |
| D | 799,126 | 14.4% |
| F | 4,407,297 | 79.3% |
See exactly where your own United Kingdom domain ranks — free and private → Check your domain. Or browse .uk in detail and the most & least secure TLDs.