The register
The register lists Circle Leaf Ltd in Coulsdon 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 Circle Leaf Ltd (company number 06180814), a private limited company incorporated in 2007, 19 years ago. Registered office: 124 City Road, London, EC1V 2NX, EC1V 2NX. By its SIC codes the business is in professional and technical services. It has traded under other names before, including Jackcy Ltd.
Holding a licence is the expensive, slow part done. For Circle Leaf Ltd the question each time is only whether the role and the pay fit the current rules, and that is checked per vacancy.