The register
The register lists Castell Ventures Limited in Ewloe, Deeside as a licensed sponsor on Skilled Worker, an entry that goes back to at least 2026. Its rating on the register is Worker (A rating).
Companies House lists it as Castell Ventures Limited, number 08292028, incorporated 2012: 13 years of filings behind the name. Registered office: Unit 1 Evolution House, Lakeside Business Village, St David's Business Park, Ewloe, Deeside, CH5 3XP, CH5 3XP. By its SIC codes the business is in social care and care homes. It has traded under other names before, including Castell Ventures Ltd, Castell Homes Ltd.
What the licence tells a candidate is that the door is not locked. Whether it is open this month is a question for Castell Ventures Limited's own careers page and the job boards, and the answer changes with the season and the order book.