The register
The register lists Christiansons Limited in London 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 Christiansons Limited, number 09897000, incorporated 2015: 10 years of filings behind the name. The registered office is at Sterling House, Fulbourne Road, London, E17 4EE, E17 4EE. Its filed activity puts it in professional and technical services.
What the licence tells a candidate is that the door is not locked. Whether it is open this month is a question for Christiansons Limited's own careers page and the job boards, and the answer changes with the season and the order book.