The register
The register lists 3i Constructions Ltd in London 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).
3I Constructions Ltd is the registered name (Companies House number 13142340), a private limited company on the register since 2021. The registered office is at Suite, 3 - 119 The Grove, Stratford, London, E15 1EN, E15 1EN.
What the licence tells a candidate is that the door is not locked. Whether it is open this month is a question for 3i Constructions Ltd's own careers page and the job boards, and the answer changes with the season and the order book.