The register
The register lists Optibrium Ltd in Cambridge, Cambs 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).
Companies House lists it as Optibrium Limited, number 06715106, incorporated 2008: 18 years of filings behind the name. Registered office: F10-13 Blenheim House, Cambridge Innovation Park Denny End Road, Waterbeach, Cambridge, CB25 9GL, CB25 9GL. By its SIC codes the business is in it, software and media. It has traded under other names before, including Optilibrium Ltd.
What the licence tells a candidate is that the door is not locked. Whether it is open this month is a question for Optibrium Ltd's own careers page and the job boards, and the answer changes with the season and the order book.