The register
ONE Advisory Limited, London, holds a Home Office sponsor licence on the Skilled Worker route, and has been on the register since at least 2026. The register records its rating as Worker (A rating).
Companies House lists it as One Advisory Limited, number 05226417, incorporated 2004: 22 years of filings behind the name. The registered office is at 110 Cannon Street, London, EC4N 6EU, EC4N 6EU. By its SIC codes the business is in professional and technical services. It has traded under other names before, including Cms Corporate Consultants Limited, Combined Management Services Limited.
Holding a licence is the expensive, slow part done. For ONE Advisory Limited the question each time is only whether the role and the pay fit the current rules, and that is checked per vacancy.