The UK and Japan launch a Frontier Technology Partnership – What does it mean for the UK tech sector?

On 13–14 June 2026, Prime Minister Keir Starmer welcomed his Japanese counterpart, Prime Minister Sanae Takaichi, to Downing Street. Alongside a wider package of commercial and governmental agreements, the two leaders launched a new UK–Japan Frontier Technology Partnership (FTP). 

The UK-Japan FTP brings together what the two governments describe as complementary strengths — the UK's software, research and innovation base and Japan's hardware and advanced manufacturing power — and aligns directly with the UK's Modern Industrial Strategy and Japan's Growth Strategy. It builds on an already deep relationship, including the Digital Partnership (2022), Semiconductor Partnership (2023), Economic Security and Industrial Strategy Partnerships (2025), Quantum Memorandum of Cooperation (2025) and Strategic Cyber Partnership (2026). 

It is worth noting that the FTP is a political statement of intent rather than a legally binding treaty: it creates no binding obligations and operates within each country's existing legal frameworks. The detail will be worked out through the dialogues, councils and joint programmes it establishes. 

What's in it for the tech sector? 

Artificial Intelligence 

AI sits at the centre of the partnership, framed around a shared ambition for both countries to be "AI makers, not just AI takers." The two governments committed to closer ties between their AI innovation ecosystems, joint research on AI for Science, and exploring formal pathways to link their respective AI semiconductor strengths, with a clear emphasis on supply-chain resilience. Cooperation between the UK AI Safety Institute and Japan's AISI will deepen through the International Network for Advanced AI Measurement, Evaluation and Science. A new high-level dialogue on AI will be established, and the UK is backing Japan's bid to host an AI Summit following Switzerland in 2027. 

Quantum technologies 

Building on the 2025 Quantum Memorandum of Cooperation, the two countries will connect their quantum computing capabilities and encourage businesses to export, invest and conduct R&D in each other's markets. Both governments committed to long-term collaboration on quantum–high-performance computing (HPC) integration, alongside practical work on testbeds, evaluation frameworks and system integration. A standout commercial outcome is UK firm & techUK member ORCA Computing's landmark export deal, one of the first times anywhere in the world that a tech firm has exported a quantum computer. 

Semiconductors 

For the first time, a formal partnership between the UK Semiconductor Centre and Rapidus, Japan's advanced manufacturing facility, will create a direct pathway for UK firms to manufacture cutting-edge chips. This is a significant step for the UK's chip design strengths, offering a route to leading-edge fabrication capacity that the UK does not have domestically. 

Defence and dual-use technologies 

The leaders confirmed their shared commitment to the Global Combat Air Programme (GCAP) and discussed launching its next phase. A new Defence Capability and Industrial Council will foster closer industrial cooperation and accelerate joint development of dual-use technologies such as drones and AI — opening access to Japanese investment for UK defence firms. 

Space, connectivity and cyber 

Through the UK–Japan Space Consultation, the partnership covers space security, sustainability and commercial development, with industry-led research opportunities under JAXA and the UK Space Agency. On connectivity, both countries will collaborate on secure 6G networks and work through the Global Coalition on Telecommunications to implement the 6G Security & Resilience Principles. Reinforcing the 2026 Strategic Cyber Partnership, they will also deepen cyber cooperation and strengthen the resilience of critical national infrastructure. 

Civil nuclear, fusion and life sciences 

The partnership commits both sides to collaboration on next-generation nuclear technologies, fusion energy, and robotics for safer decommissioning of complex nuclear sites — a strong opportunity area for UK robotics and advanced engineering firms. It also covers R&D in healthcare and drug discovery, alongside cooperation on research security to protect critical and emerging technologies while keeping international research collaboration open and trusted. 

In summary 

Taken together, the FTP represents a meaningful deepening of the UK–Japan technology relationship, combining a strategic policy framework with concrete early wins. For UK tech businesses, the most tangible near-term opportunities lie in the new semiconductor manufacturing pathway via Rapidus, the quantum export momentum demonstrated by ORCA, and expanded access to Japanese investment in defence and dual-use technologies.  

techUK will continue to monitor how these commitments are operationalised and keep members informed of opportunities to engage. Separately, we will be doing a first ever techUK member delegation to Japan for CEATEC in October 2026. Further details on this will emerge soon.  

If you would like to discuss any of these announcements, please contact [email protected].

Daniel Clarke

Daniel Clarke

Senior Policy Manager for International Policy and Trade, techUK

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Sabina Ciofu

Sabina Ciofu

International Policy and Strategy Lead, techUK

Daniel Clarke

Daniel Clarke

Senior Policy Manager for International Policy and Trade, techUK

Theophile Maiziere

Theophile Maiziere

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Archie Breare

Archie Breare

Policy Manager - Trade, techUK

Tess Newton

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