The register
Riot Games Services Limited 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. Its rating on the register is Worker (A rating).
At Companies House the business is Riot Games Services Limited (company number 08818044), a private limited company incorporated in 2013, 12 years ago. The registered office is at 5 New Street Square, London, EC4A 3TW, EC4A 3TW. By its SIC codes the business is in business services.
What the licence tells a candidate is that the door is not locked. Whether it is open this month is a question for Riot Games Services Limited's own careers page and the job boards, and the answer changes with the season and the order book.