The register
The register lists Biz Associates Ltd in Uxbridge as a licensed sponsor on Skilled Worker, an entry that goes back to at least 2026. Rating on the current register: Worker (A rating).
Companies House lists it as Biz Associates Ltd, number 08637934, incorporated 2013: 13 years of filings behind the name. The registered office is at 12 Linden Square, Uxbridge, Greater London, UB9 6TQ, UB9 6TQ. Its filed activity puts it in it, software and media. It has traded under other names before, including Biz Accounting 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.