The register
The register lists Portclean Services Solutions Limited in London 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).
At Companies House the business is Portclean Services Solutions Limited (company number 10440148), a private limited company incorporated in 2016, 10 years ago. Registered office: 581 Wandsworth Road, South Lambeth, London, SW8 3JD, SW8 3JD. Its filed activity puts it in construction. It has traded under other names before, including Portclean Service Solutions Ltd, Port Services Solutions 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.