The register
The register lists Barker Langham 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).
Barker Langham Limited is the registered name (Companies House number 05531073), a private limited company on the register since 2005. Registered office: 160 Packington Street, London, N1 8RA, N1 8RA. By its SIC codes the business is in professional and technical services. It has traded under other names before, including Djb Consulting (UK) Limited.
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.