The register
The register lists Greenstone Landscaping Ltd in London as a licensed sponsor on Skilled Worker, an entry that goes back to at least 2026. Its rating on the register is Worker (A rating).
Greenstone Landscaping Limited is the registered name (Companies House number 02179085), a private limited company on the register since 1987. Registered office: 3rd Floor, 16 Black Friars Lane, London, EC4V 6EB, EC4V 6EB. By its SIC codes the business is in security, cleaning and facilities. It has traded under other names before, including Needlebeck Limited.
For a candidate this means one less obstacle: Greenstone Landscaping Ltd already has the licence most employers would have to apply for. The rest is the ordinary job of getting the interview.