The register
Post Office 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).
At Companies House the business is Post Office Limited (company number 02154540), a private limited company incorporated in 1987, 39 years ago. Registered office: 100 Wood Street, London, EC2V 7ER, EC2V 7ER. Its filed activity puts it in retail. It has traded under other names before, including Post Office Counters Ltd.
A licence says an organisation may sponsor; it does not say it is hiring today. The way to find out is the same as for any employer: the careers page, the job boards, and a direct approach with a UK-style CV that says early that sponsorship would be needed.