The register
The register lists Knewton Plus Academy Limited in London, England 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).
Companies House lists it as Knewton Plus Academy Limited, number 11108834, incorporated 2017: 8 years of filings behind the name. Registered office: 124 City Road, London, EC1V 2NX, EC1V 2NX. 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.