The register
The register lists Flexserve UK Limited in Cockfosters, Barnet as a licensed sponsor on Skilled Worker, an entry that goes back to at least 2026. Rating on the current register: Worker (A rating).
Companies House lists it as Flexserve UK Limited, number 06875147, incorporated 2009: 17 years of filings behind the name. Registered office: Northside House Mount Pleasant, Cockfosters, Barnet, EN4 9EB, EN4 9EB. Its filed activity puts it in health care.
What the licence tells a candidate is that the door is not locked. Whether it is open this month is a question for Flexserve UK Limited's own careers page and the job boards, and the answer changes with the season and the order book.