The register
The register lists Nightingale Hammerson in London, Choose a County as a licensed sponsor on Skilled Worker and Charity Worker, 2 routes in all, and has done since at least 2026. Its rating on the register is Worker (A rating), Temporary Worker (A rating).
Companies House lists it as Nightingale Hammerson Trustee Company Limited, number 07990530, incorporated 2012: 14 years of filings behind the name. Registered office: 105 Nightingale Lane, London, SW12 8NB, SW12 8NB. By its SIC codes the business is in social care and care homes.
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.