The register
The register lists Greenpixie 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 Greenpixie Ltd (company number 13444475), a private limited company incorporated in 2021, 5 years ago. The registered office is at City Tower, 4th Floor East, 40 Basinghall Street, London, EC2V 5DE, EC2V 5DE. By its SIC codes the business is in it, software and media. It has traded under other names before, including Greenpixie Services Ltd.
For a candidate this means one less obstacle: Greenpixie Ltd already has the licence most employers would have to apply for. The rest is the ordinary job of getting the interview.