Quantinuum

Quantinuum formed in 2021 through the merger of Honeywell Quantum Solutions and Cambridge Quantum Computing to create the world’s largest integrated quantum computing company, combining industry-leading trapped-ion H-Series quantum computers with the highest quantum volume metrics alongside quantum software including lambeq, TKET, and InQuanto, employing over 480 people to deliver quantum advantage in cybersecurity, drug discovery, materials science, and financial modeling.

Company Information

• Founded: 2021
• Country: UK
• Website: https://quantinuum.com
• Categories: quantum processors, quantum cloud, quantum software

Key People

Ilyas Khan (Co-founder, Vice-Chairman, CPO), Tony Uttley (President, COO), Raj Hazra (CEO)

Investment Information

• Status: private
• Total Raised: $1525M
• Last Valuation: $10.0B

Recent Funding Rounds

• 2025-09-10: series-c - $600M - Series C funding round at $10B pre-money valuation
• 2021-06-15: merger - $625M - Merger of Honeywell Quantum Solutions and Cambridge Quantum Computing
• 2023-12-12: strategic - $300M - Strategic funding round

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