The register
The register lists Warmup Plc in London 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).
Warmup PLC is the registered name (Companies House number 02955213), a public limited company on the register since 1994. The registered office is at 704, Tudor Estate Abbey Road, London, NW10 7UW, NW10 7UW. Its filed activity puts it in manufacturing and engineering.
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.