The register
The register lists Gilco Corp 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).
Gilco Corporation Limited is the registered name (Companies House number 05951279), a private limited company on the register since 2006. The registered office is at 22 Page Street, London, SW1P 4EN, SW1P 4EN. Its filed activity puts it in health care.
For a candidate this means one less obstacle: Gilco Corp Ltd already has the licence most employers would have to apply for. The rest is the ordinary job of getting the interview.