The register
The register lists Whumzee Group Ltd in Sheffield as a licensed sponsor on Skilled Worker, an entry that goes back to at least 2026. Rating on the current register: Worker (A rating).
At Companies House the business is Whumzee Group Ltd (company number 16005526), a private limited company incorporated in 2024, 2 years ago. Registered office: 130 Abbeydale Road, Sheffield, S7 1FF, S7 1FF. By its SIC codes the business is 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.