The register
Qumu Ltd is licensed to sponsor on Skilled Worker and Global Business Mobility: Senior or Specialist Worker. Its entry on the register dates back to at least 2026, and the organisation is based in London. Rating on the current register: Worker (A rating).
Companies House lists it as Qumu Ltd, number 04602658, incorporated 2002: 23 years of filings behind the name. The registered office is at Imperium, Imperial Way, Reading, Berkshire, RG2 0TD, RG2 0TD. Its filed activity puts it in it, software and media. It has traded under other names before, including Kulu Valley Ltd, Magix Solutions Ltd.
A licence says an organisation may sponsor; it does not say it is hiring today. The way to find out is the same as for any employer: the careers page, the job boards, and a direct approach with a UK-style CV that says early that sponsorship would be needed.