The register
The register lists Nexik Limited in Slough as a licensed sponsor on Skilled Worker, an entry that goes back to at least 2026. Rating on the current register: Worker (A rating).
Nexik Limited is the registered name (Companies House number 12466956), a private limited company on the register since 2020. Registered office: 124 City Road, London, EC1V 2NX, EC1V 2NX. Its filed activity puts it in retail. It has traded under other names before, including Gadgets4UK Ent Limited, Gadgets Trends 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.