The register
The register lists Hexis Support Services Ltd in London 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).
Companies House lists it as Hexis Support Services Ltd, number 09971250, incorporated 2016: 10 years of filings behind the name. Registered office: 167 - 169 Great Portland Street, 5th Floor,, London, W1W 5PF, W1W 5PF. By its SIC codes the business is in recruitment and employment agencies. It has traded under other names before, including Acre Tweed Bespoke Security & FM Ltd, Secure FM Group 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.