The register
QuantCo Holding Ltd, London, holds a Home Office sponsor licence covering 2 routes: Global Business Mobility: Senior or Specialist Worker and Skilled Worker. It has been on the register since at least 2026. Rating on the current register: Worker (A rating).
At Companies House the business is Quantco Holding Ltd. (company number 10543384), a private limited company incorporated in 2016, 9 years ago. Registered office: 16 New Burlington Place, 4th Floor, London, W1S 2HX, W1S 2HX. Its filed activity puts it in it, software and media.
What the licence tells a candidate is that the door is not locked. Whether it is open this month is a question for QuantCo Holding Ltd's own careers page and the job boards, and the answer changes with the season and the order book.