The register
The register lists Pentatonic 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).
Companies House lists it as Pentatonic Ltd, number 11621602, incorporated 2018: 8 years of filings behind the name. The registered office is at 27 Downham Road, Units 5 & 6, London, N1 5AA, N1 5AA. Its filed activity puts it in it, software and media.
For a candidate this means one less obstacle: Pentatonic Limited already has the licence most employers would have to apply for. The rest is the ordinary job of getting the interview.