The register
The register lists Datawhizz Limited in Reading, Berkshire 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).
Companies House lists it as Datawhizz Limited, number 04204985, incorporated 2001: 25 years of filings behind the name. The registered office is at 400 Thames Valley Park Drive, Thames Valley Park, Reading, Berkshire, RG6 1PT, RG6 1PT. Its filed activity puts it in it, software and media. It has traded under other names before, including Kbase Solutions Limited, Einfolink Limited.
What the licence tells a candidate is that the door is not locked. Whether it is open this month is a question for Datawhizz Limited's own careers page and the job boards, and the answer changes with the season and the order book.