The register
The register lists Northern Data Services (UK) Limited in London as a licensed sponsor on Skilled Worker, an entry that goes back to at least 2026. The register records its rating as Worker (A rating).
Companies House lists it as Northern Data Services (UK) Limited, number 09027295, incorporated 2014: 12 years of filings behind the name. The registered office is at 68 King William Street, London, EC4N 7HR, EC4N 7HR. Its filed activity puts it in professional and technical services. It has traded under other names before, including Hydro66 UK Limited.
What the licence tells a candidate is that the door is not locked. Whether it is open this month is a question for Northern Data Services (UK) Limited's own careers page and the job boards, and the answer changes with the season and the order book.