The register
The register lists Cogent Networks 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 Cogent Networks Ltd (company number 12215764), a private limited company incorporated in 2019, 7 years ago. The registered office is at 167 - 169 Great Portland Street, Fifth Floor, London, W1W 5PF, W1W 5PF. Its filed activity puts it in it, software and media.
For a candidate this means one less obstacle: Cogent Networks Ltd already has the licence most employers would have to apply for. The rest is the ordinary job of getting the interview.