The register
The register lists Klh UK 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 Klh UK Limited, number 05558008, incorporated 2005: 21 years of filings behind the name. Registered office: 23 Jacob Street, London, SE1 2BG, SE1 2BG. Its filed activity puts it in construction.
What the licence tells a candidate is that the door is not locked. Whether it is open this month is a question for Klh UK Limited's own careers page and the job boards, and the answer changes with the season and the order book.