The register
The register lists Class Workwear 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).
At Companies House the business is Class Workwear Limited (company number 11139485), a private limited company incorporated in 2018, 8 years ago. Registered office: Unit 9 Trade City Business Park, Cowley Mill Road, Uxbridge, UB8 2DB, UB8 2DB. Its filed activity puts it in manufacturing. It has traded under other names before, including Milano Embroidery & Printing Ltd, Milano Embroidery & T-shirt Printing Ltd.
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.