The register
The register lists London Stone Paving Ltd in Slough, Berkshire as a licensed sponsor on Skilled Worker, an entry that goes back to at least 2026. The register records its rating as Worker (A rating).
Companies House lists the business as London Stone Paving Limited, company number 16495517, a private limited company. Registered office: Berkshire Garden Centre, Sutton Lane, Langley, Berkshire, SL3 8AH, SL3 8AH.
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.