The register
The register lists Raspberry Pi Foundation in Cambridge 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 Raspberry PI Foundation, number 06758215, incorporated 2008: 17 years of filings behind the name. Registered office: 37 Hills Road, Cambridge, CB2 1NT, CB2 1NT. Its filed activity puts it in professional and technical services.
What the licence tells a candidate is that the door is not locked. Whether it is open this month is a question for Raspberry Pi Foundation's own careers page and the job boards, and the answer changes with the season and the order book.