The register
Field Effect Security Ltd, London, holds a Home Office sponsor licence covering 2 routes: Global Business Mobility: Senior or Specialist Worker and Skilled Worker. It has been on the register since at least 2026. Its rating on the register is Worker (A rating).
Companies House lists it as Field Effect Security Ltd, number 12552142, incorporated 2020: 6 years of filings behind the name. The registered office is at One Fleet Place, London, EC4M 7WS, EC4M 7WS. Its filed activity puts it in it, software and media.
A licence says an organisation may sponsor; it does not say it is hiring today. The way to find out is the same as for any employer: the careers page, the job boards, and a direct approach with a UK-style CV that says early that sponsorship would be needed.