The register
The register lists Nubridge Publishing Limited in London as a licensed sponsor on Skilled Worker, an entry that goes back to at least 2026. Rating on the current register: Worker (A rating).
Companies House lists it as Nubridge Publishing Limited, number 07024732, incorporated 2009: 17 years of filings behind the name. Registered office: 16 Wolstonbury, Woodside Park, London, N12 7BA, N12 7BA. By its SIC codes the business is in education.
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.