Quantinuum
United Kingdom · Hybrid · Founded 2021 · Cambridge, United Kingdom
Quantinuum is the world's largest integrated quantum computing company, formed in 2021 from the merger of Honeywell Quantum Solutions and Cambridge Quantum. Registered in the UK with European headquarters in Cambridge, the company builds trapped-ion quantum computers (H-Series) that hold the record for highest quantum volume. Quantinuum also develops quantum software including the open-source TKET compiler and quantum cybersecurity products.
19 credible sources · last verified 7 days ago
Quantinuum is the world's largest integrated quantum computing company, formed in 2021 from the merger of Honeywell Quantum Solutions and Cambridge Quantum. Registered in the UK with European headquarters in Cambridge, the company builds trapped-ion quantum computers (H-Series) that hold the record for highest quantum volume. Quantinuum also develops quantum software including the open-source TKET compiler and quantum cybersecurity products.
Trapped-ion quantum processors holding world records for quantum volume, accessible via cloud and on-premise deployment
Open-source quantum computing compiler and optimization toolkit supporting multiple hardware backends
19 of 20 count toward the source bar · last read 7 days ago (2026-08-30)