The register
The register lists SIGNIFYC Limited T/a Open Consulting in Pinner as a licensed sponsor on Skilled Worker, an entry that goes back to at least 2026. Rating on the current register: Worker (A rating).
Signifyc Ltd is the registered name (Companies House number 12298942), a private limited company on the register since 2019. Registered office: 2 Hillview Road, Pinner, HA5 4PA, HA5 4PA. By its SIC codes the business is in it, software and media.
Holding a licence is the expensive, slow part done. For SIGNIFYC Limited T/a Open Consulting the question each time is only whether the role and the pay fit the current rules, and that is checked per vacancy.