The register
The register lists The Apax Foundation in London as a licensed sponsor on Skilled Worker, an entry that goes back to at least 2026. The register records its rating as Worker (A rating).
At Companies House the business is The Apax Foundation (company number 05662690), a company limited by guarantee incorporated in 2005, 20 years ago. Registered office: 1 Knightsbridge, London, SW1X 7LX, SW1X 7LX. By its SIC codes the business is in business services.
What the licence tells a candidate is that the door is not locked. Whether it is open this month is a question for The Apax Foundation's own careers page and the job boards, and the answer changes with the season and the order book.