The register
The register lists Transdermal Diagnostics Ltd in Bristol, England as a licensed sponsor on Skilled Worker, an entry that goes back to at least 2026. Rating on the current register: Worker (A rating).
Companies House lists it as Transdermal Diagnostics Ltd, number 13566819, incorporated 2021: 5 years of filings behind the name. The registered office is at Lab06 - Science Creates Old Market, Midland Road, Bristol, BS2 0NS, BS2 0NS. Its filed activity puts it 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.