The register
The register lists Speakers Corner (London) Ltd in London 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).
At Companies House the business is Speakers Corner (london) Limited (company number 06763241), a private limited company incorporated in 2008, 17 years ago. Registered office: 5-6 Mallow Street, London, EC1Y 8RQ, EC1Y 8RQ. Its filed activity puts it in retail.
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.