The register
Leni's Model Management is licensed to sponsor on Skilled Worker and Creative Worker. Its entry on the register dates back to at least 2026, and the organisation is based in London. Rating on the current register: Worker (A rating), Temporary Worker (A rating).
Companies House lists it as Leni's Model Management Limited, number 06931305, incorporated 2009: 17 years of filings behind the name. The registered office is at C/O Valentine & Co, Galley House, Moon Lane, Barnet, EN5 5YL, EN5 5YL. By its SIC codes the business is in recruitment and employment agencies.
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.