The register
The register lists McArthurGlen UK Ltd in London 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 Mcarthurglen UK Limited, number 02810264, incorporated 1993: 33 years of filings behind the name. Registered office: Nations House, 3rd Floor, 103 Wigmore Street, London, W1U 1QS, W1U 1QS. By its SIC codes the business is in property. It has traded under other names before, including Bmg UK Limited, Baa-mcarthur/glen UK Limited.
What the licence tells a candidate is that the door is not locked. Whether it is open this month is a question for McArthurGlen UK Ltd's own careers page and the job boards, and the answer changes with the season and the order book.