The register
The register lists Silverbrook Holdings Limited in London as a licensed sponsor on Skilled Worker and Global Business Mobility: Senior or Specialist Worker, 2 routes in all, and has done since at least 2026. The register records its rating as Worker (A rating).
At Companies House the business is Silverbrook Holdings Ltd (company number 08404725), a private limited company incorporated in 2013, 13 years ago. The registered office is at 5 Jewry Street, London, EC3N 2EX, EC3N 2EX. Its filed activity puts it in finance and insurance. It has traded under other names before, including Crescent Global Holdings (UK) Ltd.
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.