The register
The register lists Couchbase Limited in London as a licensed sponsor on Global Business Mobility: Senior or Specialist Worker and Skilled Worker, 2 routes in all, and has done since at least 2026. The register records its rating as Worker (A rating).
Companies House lists it as Couchbase Limited, number 08051754, incorporated 2012: 14 years of filings behind the name. Registered office: C/O Forvis Mazars Llp The Pinnacle, 160 Midsummer Boulevard, Milton Keynes, Buckinghamshire, MK9 1FF, MK9 1FF. Its filed activity puts it in it, software and media.
What the licence tells a candidate is that the door is not locked. Whether it is open this month is a question for Couchbase Limited's own careers page and the job boards, and the answer changes with the season and the order book.