The register
The register lists Quantum Actuarial LLP in Cardiff, Cardiff 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).
Quantum Actuarial LLP is the registered name (Companies House number OC326665), a limited liability partnership on the register since 2007. The registered office is at Cypress House Pascal Close, St. Mellons, Cardiff, CF3 0LW, CF3 0LW.
Holding a licence is the expensive, slow part done. For Quantum Actuarial LLP the question each time is only whether the role and the pay fit the current rules, and that is checked per vacancy.