The register
The register lists Sequence International 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).
Companies House lists the business as Sequence International Ltd, company number 16671674, a private limited company. The registered office is at Labs House, 15-19 Bloomsbury Way, London, WC1A 2TH, WC1A 2TH. Its filed activity puts it in professional and technical services.
For a candidate this means one less obstacle: Sequence International Limited already has the licence most employers would have to apply for. The rest is the ordinary job of getting the interview.