The register
The register lists Sunna (UK) Limited in London 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).
At Companies House the business is Sunna (UK) Limited (company number 08560747), a private limited company incorporated in 2013, 13 years ago. Registered office: 296 Bethnal Green Road, London, E2 0AG, E2 0AG. By its SIC codes the business is in retail.
Holding a licence is the expensive, slow part done. For Sunna (UK) Limited the question each time is only whether the role and the pay fit the current rules, and that is checked per vacancy.