The register
The register lists Contrasol Ltd in St Albans 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).
Companies House lists it as Contrasol Ltd, number 05870053, incorporated 2006: 20 years of filings behind the name. Registered office: Unit 9 Cedar Court Parkway, Porters Wood, St Albans, Herts, AL3 6PA, AL3 6PA. By its SIC codes the business is in construction.
Holding a licence is the expensive, slow part done. For Contrasol Ltd the question each time is only whether the role and the pay fit the current rules, and that is checked per vacancy.