The register
The register lists JON Optical 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).
Jon Optical Ltd is the registered name (Companies House number 13993527), a company limited by guarantee on the register since 2022. Registered office: 130 Broom Lane, Rotherham, S60 3NP, S60 3NP. 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.