The register
The register lists Gridfire Limited in London as a licensed sponsor on Skilled Worker, an entry that goes back to at least 2026. The register records its rating as Worker (A rating).
Companies House lists the business as Gridfire Limited, company number 16262750, a private limited company. The registered office is at 167-169 Great Portland Street, 5th Floor, London, W1W 5PF, W1W 5PF. By its SIC codes the business is in professional and technical services. It has traded under other names before, including Gridfire Technology Limited.
Holding a licence is the expensive, slow part done. For Gridfire Limited the question each time is only whether the role and the pay fit the current rules, and that is checked per vacancy.