The register
The register lists Ace Laboratories Ltd in Edgware as a licensed sponsor on Skilled Worker, an entry that goes back to at least 2026. Rating on the current register: Worker (A rating).
At Companies House the business is Ace Laboratories Limited (company number 08556513), a private limited company incorporated in 2013, 13 years ago. Registered office: 1 Roundwood Avenue, Stockley Park, Uxbridge, Middlesex, UB11 1AF, UB11 1AF. Its filed activity puts it in professional and technical services. It has traded under other names before, including Ace Pharma Limited.
What the licence tells a candidate is that the door is not locked. Whether it is open this month is a question for Ace Laboratories Ltd's own careers page and the job boards, and the answer changes with the season and the order book.