# Who owns williamhill438? williamhill438 (williamhill438.com) is operated by [Mayfly Entertainment Limited](https://app.igregulator.io/operators/mayfly-entertainment-limited), licensed by the Isle of Man Gambling Supervision Commission (iGregulator ref [IOM/OGRA/mayfly-entertainment-limited](https://app.igregulator.io/licenses/043d6fc0-0a74-4cdf-9be8-6c0a59e6ea90); the register publishes no licence number) — status active.[1][2] Last verified against the register on 2026-10-23 04:25 UTC (19 h ago). Operator [Mayfly Entertainment Limited](https://app.igregulator.io/operators/mayfly-entertainment-limited) Regulator Isle of Man Gambling Supervision Commission (IOM) Licence iGregulator ref[IOM/OGRA/mayfly-entertainment-limited](https://app.igregulator.io/licenses/043d6fc0-0a74-4cdf-9be8-6c0a59e6ea90)the register publishes no licence number Licence status ● active Domain on the licence ● listed Register last read 2026-10-23 04:25 UTC [Check it on the regulator's page ↗](https://www.isleofmangsc.com/gambling/supervision/online-gambling-licensee-register/) ## Data freshness Register read on schedule The Isle of Man Gambling Supervision Commission register was last read 2026-10-23 04:25 UTC. We aim to re-read it within 24 hours. ## Where williamhill438.com is listed on 1 of 14 registers we read - Isle of ManIOM · listed · active - UKGCUKGC · not listed - MGAMGA · not listed - CuraçaoCW · not listed - AnjouanAN · not listed - KahnawakeKH · not listed - TobiqueTGC · not listed - OntarioON · not listed - SwedenSE · not listed - SpainES · not listed - BelgiumBE · not listed - GermanyDE · not listed - ColombiaCO · not listed - UkraineUA · not listed “Not listed” means this domain is not on that register in our data — it says nothing about a licence elsewhere. For Sweden, Spain, Belgium, Germany, Colombia and Ukraine we read only online licence types. ## History 1. 2026-10-23 Register last read The Isle of Man Gambling Supervision Commission register listed the licence as active. 2. 2026-10-09 williamhill438.com first recorded under Mayfly Entertainment Limited When iGregulator first saw this listing — not when the regulator first made it. 3. 2015-12-21 Licence issued Per the Isle of Man Gambling Supervision Commission register. ## About williamhill438.com iGregulator first recorded williamhill438.com under Mayfly Entertainment Limited on 2026-10-09. Isle of Man Gambling Supervision Commission licence (iGregulator ref [IOM/OGRA/mayfly-entertainment-limited](https://app.igregulator.io/licenses/043d6fc0-0a74-4cdf-9be8-6c0a59e6ea90); the register publishes no licence number) — issued 2015-12-21, expiry not published by the register.[1] ## Mayfly Entertainment Limited [operator profile →](https://app.igregulator.io/operators/mayfly-entertainment-limited) ## Other brands listed for Mayfly Entertainment Limited - [williamhill7679.com](https://app.igregulator.io/brands/williamhill7679.com) - [xiaowei2276.com](https://app.igregulator.io/brands/xiaowei2276.com) - [xiaowei3911.com](https://app.igregulator.io/brands/xiaowei3911.com) - [333weide.com](https://app.igregulator.io/brands/333weide.com) - [777weide.com](https://app.igregulator.io/brands/777weide.com) - [betvictor248.com](https://app.igregulator.io/brands/betvictor248.com) - [betvictor283.com](https://app.igregulator.io/brands/betvictor283.com) - [biying3633.com](https://app.igregulator.io/brands/biying3633.com) 12 live domains are listed for Mayfly Entertainment Limited in all — [see the full domain list](https://app.igregulator.io/operators/mayfly-entertainment-limited/domains). ## Evidence [how we verify →](https://igregulator.io/methodology/) ## Sources · 2 - [1] Isle of Man Gambling Supervision Commission register — - Isle of Man licence (iGregulator ref IOM/OGRA/mayfly-entertainment-limited): status active, read from this page on 2026-10-23. Stored copy: SHA-256 `f7ce40f73a7d0d5be0e815353a0feecb281a684633915196fa15b3d220301d95`, first captured 2026-10-09. - Isle of Man licence (iGregulator ref IOM/OGRA/mayfly-entertainment-limited): listed here; last seen listed on 2026-10-23. - [2] How iGregulator verifies — - How we read each register, how a domain is linked to an operator, and why a status only changes on a page a regulator published. Run Mayfly Entertainment Limited, or see something wrong? [Request a correction](mailto:founder@igregulator.io?subject=Correction%3A%20williamhill438.com) — we check every request against the register, and log what we withdraw on [/corrections](https://app.igregulator.io/corrections). ## Check williamhill438 from your code A **free REST API** and a **hosted MCP server** — **no credit card**, no waitlist, 10 requests/hour without a key. [get a free API key →](https://app.igregulator.io/signup?from=brand) ### REST API ``` curl "https://api.igregulator.io/v1/check?domain=williamhill438.com" ``` ``` { "query": { "domain": "williamhill438.com" }, "verdict": "licensed", "verdict_detail": "williamhill438.com is listed, as of our read on 2026-10-23, on an active Isle of Man Gambling Supervision Commission licence held by Mayfly Entertainment Limited.", "match": { "confidence": "high", "match_type": "domain_exact", "operator": "Mayfly Entertainment Limited", "operator_slug": "mayfly-entertainment-limited", "jurisdiction": "IOM", "regulator_name": "Isle of Man Gambling Supervision Commission", "license_id": "043d6fc0-0a74-4cdf-9be8-6c0a59e6ea90", "license_number": "IOM/OGRA/mayfly-entertainment-limited", "license_reference_is_ours": true, "status": "active", "status_source_url": "https://www.isleofmangsc.com/gambling/supervision/online-gambling-licensee-register/", "status_observed_at": "2026-10-23T04:25:11.003Z", "expires_at": null, "domain_association": "direct", "domain_status": "active", "matched_domain": "williamhill438.com", "domain_last_listed_at": "2026-10-23T04:25:11.022Z", "upstream_status": "Active", "status_qualifier": null, "verification_url": null, "verification_page_kind": null, "verification_page_status": null, "verification_page_read_at": null }, "alternatives": [], "confidence": "high" } ``` response trimmed: the live one also carries \_meta (source URL, read times, register freshness) A free account raises the limit and unlocks licence history, regulatory actions, domain portfolios and webhooks across fourteen regulators — UKGC, MGA, Curaçao, Kahnawake, Anjouan, Tobique, the Isle of Man, Ontario, Sweden, Spain, Belgium, Germany, Colombia and Ukraine. AI agents can connect over MCP at `mcp.igregulator.io/mcp`. ### MCP server Add iGregulator to Claude, ChatGPT, Cursor or any MCP client, then ask “Who owns williamhill438.com?” ``` https://mcp.igregulator.io/mcp ``` [MCP setup →](https://igregulator.io/docs/mcp/) ## Questions about williamhill438 ### Who runs williamhill438.com? Mayfly Entertainment Limited: williamhill438.com is listed on the Isle of Man Gambling Supervision Commission licence it holds. ### How current is this? We last read the Isle of Man Gambling Supervision Commission register on 2026-10-23 04:25 UTC and aim to re-read it within 24 hours. ## Related records [~/operators/mayfly-entertainment-limited](https://app.igregulator.io/operators/mayfly-entertainment-limited) · [~/licenses/Isle of Man licence (iGregulator ref IOM/OGRA/mayfly-entertainment-limited)](https://app.igregulator.io/licenses/043d6fc0-0a74-4cdf-9be8-6c0a59e6ea90) · [~/brands A–Z](https://app.igregulator.io/brands?letter=w) --- [Operators A–Z](https://app.igregulator.io/operators) · [Brands A–Z](https://app.igregulator.io/brands) · [Jurisdictions](https://app.igregulator.io/jurisdictions) · [Corrections](https://app.igregulator.io/corrections) · [Pricing](https://app.igregulator.io/pricing) · [API docs](https://igregulator.io/docs/) · [MCP](https://igregulator.io/docs/mcp/)