The register
The register lists Swifterio Limited 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 Swifterio Limited (company number 13997251), a private limited company incorporated in 2022, 4 years ago. The registered office is at First Floor 690 Great West Road, Osterley Village, Isleworth, TW7 4PU, TW7 4PU. Its filed activity puts it in it, software and media. It has traded under other names before, including Tsn Tech Limited.
Holding a licence is the expensive, slow part done. For Swifterio Limited the question each time is only whether the role and the pay fit the current rules, and that is checked per vacancy.