The register
The register lists Calyx Solutions UK Ltd in London as a licensed sponsor on Skilled Worker, an entry that goes back to at least 2026. Rating on the current register: Worker (A rating).
At Companies House the business is Calyx Solutions UK Ltd (company number 09277495), a private limited company incorporated in 2014, 12 years ago. Registered office: 20 Wenlock Road, London, N1 7GU, N1 7GU. Its filed activity puts it in it, software and media.
Holding a licence is the expensive, slow part done. For Calyx Solutions UK Ltd the question each time is only whether the role and the pay fit the current rules, and that is checked per vacancy.