The register
The register lists Green Fuels Research Ltd in Berkeley as a licensed sponsor on Skilled Worker, an entry that goes back to at least 2026. Its rating on the register is Worker (A rating).
Green Fuels Research Ltd. is the registered name (Companies House number 08718815), a private limited company on the register since 2013. Registered office: B21 Gloucestershire Science And Technology Park, Berkeley, GL13 9FB, GL13 9FB. By its SIC codes the business is in professional and technical services.
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.