The register
Sigmafield Limited, London, holds a Home Office sponsor licence on the Skilled Worker route, and has been on the register since at least 2026. The register records its rating as Worker (A rating).
At Companies House the business is Sigmafield Limited (company number 09535231), a private limited company incorporated in 2015, 11 years ago. The registered office is at 27 King's Mews, London, WC1N 2JB, WC1N 2JB. Its filed activity puts it in business services.
For a candidate this means one less obstacle: Sigmafield Limited already has the licence most employers would have to apply for. The rest is the ordinary job of getting the interview.