The register
The register lists Dementech Limited 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 Dementech Limited, number 10367905, incorporated 2016: 10 years of filings behind the name. The registered office is at Lister House, 11-12 Wimpole Street, London, W1G 9ST, W1G 9ST. By its SIC codes the business is in health care.
Holding a licence is the expensive, slow part done. For Dementech Limited the question each time is only whether the role and the pay fit the current rules, and that is checked per vacancy.