The register
Qualitest Software Testing Limited is licensed to sponsor on Global Business Mobility: Senior or Specialist Worker and Skilled Worker. Its entry on the register dates back to at least 2026, and the organisation is based in London. Its rating on the register is Worker (A rating).
At Companies House the business is Qualitest Software Testing Ltd (company number 03929849), a private limited company incorporated in 2000, 26 years ago. The registered office is at Equitable House, 47 King William Street, London, EC4R 9AF, EC4R 9AF. By its SIC codes the business is in professional and technical services. It has traded under other names before, including Transition Consulting Limited.
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.