The register
The register lists SumUp Payments Limited in London as a licensed sponsor on Global Business Mobility: Senior or Specialist Worker and Skilled Worker, 2 routes in all, and has done since at least 2026. The register records its rating as Worker (A rating).
At Companies House the business is Sumup Payments Limited (company number 07836562), a private limited company incorporated in 2011, 14 years ago. The registered office is at The Forge 2nd Floor, 105 Sumner Street, London, SE1 9HZ, SE1 9HZ. Its filed activity puts it in it, software and media. It has traded under other names before, including KA-ching Payments 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.