The register
The register lists Qualys Limited in Reading 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).
Qualys Limited is the registered name (Companies House number 04069874), a private limited company on the register since 2000. Registered office: 100 Brook Drive, Green Park, Reading, Berkshire, RG2 6UJ, RG2 6UJ. By its SIC codes the business is in it, software and media.
Holding a licence is the expensive, slow part done. For Qualys Limited the question each time is only whether the role and the pay fit the current rules, and that is checked per vacancy.