The register
BrowserStack UK Ltd is licensed to sponsor on Skilled Worker and Global Business Mobility: Senior or Specialist Worker. Its entry on the register dates back to at least 2026, and the organisation is based in London. Rating on the current register: Worker (A rating).
Companies House lists the business as Browserstack UK Ltd, company number 16612849, a private limited company. The registered office is at 6th Floor 9 Appold Street, London, EC2A 2AP, EC2A 2AP. By its SIC codes the business is in it, software and media.
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.