The register
The register lists Lexnis Services Ltd in Hertfordshire as a licensed sponsor on Skilled Worker, an entry that goes back to at least 2026. Rating on the current register: Worker (A rating).
Lexnis Services Limited is the registered name (Companies House number 12575676), a private limited company on the register since 2020. Registered office: Fifth Floor, 167-169 Great Portland Street, London, W1W 5PF, W1W 5PF. Its filed activity puts it in it, software and media. It has traded under other names before, including Lexnis Security Limited.
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.