UK Lawmaker Proposes U.K.-U.S. Quantum Partnership Can be a Strategic Counterweight to China

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Insider BriefA transatlantic partnership between the U.S. and the U.K. could serve as a fulcrum in the global effort to develop quantum computing, with Quantinuum positioned as a leading example of how combined capabilities may accelerate progress and shape geopolitical competition.In a Wall Street Journal opinion column, Tom Tugendhat, a member of the British Parliament, argues that quantum computing has reached a stage comparable in strategic importance to the early days of nuclear research, requiring coordinated national efforts similar to the Manhattan Project. He points to Quantinuum — a company formed through the merger of Cambridge Quantum in the U.K. and Honeywell Quantum Solutions in the U.S. — as evidence that no single country can independently build a competitive quantum ecosystem.“Cambridge Quantum’s founder, Ilyas Khan, was a fellow of the University of Cambridge Judge Business School. Quantinuum’s chief executive spent nearly 25 years at Intel,” Tugendhat writes in the column. “Its head of AI previously worked at Google DeepMind in London. This is an Anglo-American enterprise in its DNA, just like the Manhattan Project, though this time our race is against China.”The company’s recent technical milestone hints at the potential power of this trans-Atlantic partnership. According to Tugendhat, Quantinuum demonstrated quantum computations using 94 error-protected logical qubits, a step toward fault-tolerant quantum systems. Logical qubits are groups of physical qubits engineered to correct errors, a key hurdle in making quantum computers reliable enough for real-world use. Quantum machines are highly sensitive to environmental noise, which can disrupt calculations, making error correction a central challenge for the field.Tugendhat frames this as an example of the way theoretical research is moving to early-stage industrial capability. Quantinuum’s structure reflects a division of labor that Tugendhat suggests is critical to maintaining Western leadership. The U.K. contributes foundational research, software and algorithm development, while the U.S. provides capital, manufacturing scale and commercialization pathways.The WSJ column draws a direct comparison between current quantum efforts and the 1943 Quebec Agreement, which formalized U.S.-U.K. cooperation on nuclear weapons development. In that case, British scientific advances were paired with American industrial capacity to produce the atomic bomb.Tugendhat suggests a similar dynamic is now at play in quantum computing, with the added dimension of global competition. He identifies China as a primary rival, citing its estimated — but unverified — $15 billion investment in quantum technologies and its efforts to commercialize quantum systems and expand open-source software platforms.Other countries are also increasing funding, he points out. France, Germany and Japan have each committed billions of dollars to national quantum programs, reflecting a broader recognition that quantum technologies could confer long-term advantages in defense, intelligence and economic competitiveness.Within this landscape, Tugendhat writes that the U.S.-U.K. partnership offers a structural advantage. The U.S. brings access to capital markets and defense procurement systems that can scale emerging technologies, while the U.K. has developed a strong base of startups and academic research. The U.K. government’s 10-year National Quantum Strategy, backed by £2.5 billion, aims to translate that research into commercial outcomes.Despite recent progress, quantum computing remains in an early stage compared with artificial intelligence. Tugendhat notes that while AI investment has reached hundreds of billions of dollars, quantum funding is still measured in the low billions.That gap may narrow as technical milestones accumulate. Companies including IBM and Google have outlined timelines for achieving quantum advantage — the point at which quantum systems outperform classical computers on useful tasks — within the next few years. Quantinuum, according to Tugendhat, is targeting fault-tolerant quantum computing by the end of the decade.The company’s majority owner, Honeywell, has also signaled commercial ambitions, announcing plans for an initial public offering that could value Quantinuum at around $10 billion.Tugendhat suggests that these developments indicate a transition from experimental systems to deployable technologies, with implications that extend beyond computing. Quantum systems could eventually affect cybersecurity by enabling the decryption of widely used encryption standards, while also accelerating scientific discovery.According to the lawmaker, the strategic implications of quantum computing may not yet widely understood outside specialized communities, but, as with early artificial intelligence efforts, broader recognition may arrive suddenly once technical thresholds are crossed.“As in 1943, most people haven’t yet grasped what is coming,” Tugendhat writes in the column. “When they do, the countries that moved first will hold advantages and those that didn’t will discover that the future belongs to those who build it themselves.”Share this article:Keep track of everything going on in the Quantum Technology Market.In one place.
