About and sources
Source and date
The complete HMRC list of all registered CASCs is dated 17 July 2026. The date is confirmed by the publication update history and the spreadsheet metadata. It is the source date, not a live status check.
Reuse
Source: HM Revenue & Customs (HMRC). Contains public sector information licensed under the Open Government Licence v3.0.
Requests and privacy
The free-check form asks for a club, address or postcode, email address and consent to reply. Do not send identity documents or financial details. Requests are recorded for a reply by email. The site uses first-party cookieless events to count visits and form interactions; event capture respects Do Not Track and Global Privacy Control.