The Prime Minister’s Office announced that Prime Minister Keir Starmer will meet Japanese Prime Minister Sanae Takaichi as the UK and Japan are expected to agree investments creating tens of thousands of jobs and more than £18 billion in economic gains.
The meeting is taking place at Downing Street on Sunday 14 June 2026, ahead of the G7 in Évian-les-Bains. Japanese and British business leaders are due to join both prime ministers for a roundtable on future economic growth.
The package covers technology, clean energy, infrastructure development, financial services, life sciences and defence cooperation. More than ten commercial and government agreements are expected to be signed during the visit.
UK And Japan Agree Investment Package
The Prime Minister’s Office said the UK and Japan are expected to agree investment creating tens of thousands of new jobs. The package is expected to deliver more than £18 billion in economic gains and support sectors linked to the UK’s Modern Industrial Strategy.
The announcement includes more than £9 billion in infrastructure and financial services investment, alongside up to £9 billion for offshore wind. Downing Street said the wider UK-Japan relationship is already worth £140 billion.
- Economic gains: The government said the package is expected to bring more than £18 billion in benefits to the UK economy.
- Jobs: Downing Street said the agreements are expected to create tens of thousands of new jobs across the country.
- Sectors: The package covers technology, clean energy, infrastructure, life sciences, financial services and defence cooperation.
Downing Street Meeting Sets Commercial Focus
Prime Minister Keir Starmer is welcoming Prime Minister Sanae Takaichi to Downing Street for talks ahead of the G7 summit. Business leaders from both countries are expected to attend a roundtable focused on investment and economic growth.
The government said more than ten commercial and government agreements are expected to be signed. The visit also marks an upgrade in cooperation between the UK and Japan across economic security, technology and strategic partnership.
Infrastructure And Financial Services Investment
Japanese investors have set out a five-year investment pipeline worth more than £9 billion.
The government said the investment pipeline will support property development, infrastructure projects, financial services and innovation hubs across the UK. Ministers described the commitments as long-term capital intended to support economic growth, construction activity and business investment.
The package includes commitments from major Japanese property developers, financial institutions and insurers, reflecting continued Japanese investment in UK assets and development projects.
- Housing: L&G and Nomura Real Estate Development are backing a £135 million London housing development with 278 homes.
- Finance: Mizuho Financial Group aims to deploy £3 billion in the UK over the coming years.
- Capital markets: Daiichi Life Group has committed £4.5 billion into M&G-managed funds.
Investment Breakdown Table
| Indicator | Recent Movement | Context |
|---|---|---|
| Mitsubishi Estate | £2 billion over five years | The government said the investment will support a UK pipeline with gross development value of £5.3 billion. |
| Mitsui Fudosan | £3.8 billion over five years | Downing Street said the pipeline has gross development value of £5.8 billion and could create around 15,000 construction jobs. |
| Nomura Real Estate | £500 million commitment | The government said the five-year commitment includes support for UK property investment. |
| M&G and Daiichi Life | £4.5 billion investment | The announcement said Daiichi investment into M&G-managed funds is being deployed across public and private markets. |
Offshore Wind Compact Supports Clean Energy
The visit includes a landmark Offshore Wind Compact developed with Great British Energy. The government said it will help unlock up to £9 billion in Japanese investment into the UK’s offshore wind sector.
The investment will support 5.9GW of floating offshore wind projects, including Ossian and Green Volt off the East Coast in Scotland and Erebus in the Celtic Sea. Downing Street said the projects could generate enough clean electricity to power 8 million homes once built.
Clean Energy And Industrial Table
| Indicator | Recent Movement | Context |
|---|---|---|
| Offshore wind | Up to £9 billion | The government said the compact will facilitate Japanese investment into UK offshore wind projects. |
| Floating wind projects | 5.9GW pipeline | Downing Street named Ossian, Green Volt and Erebus as projects supported by the compact. |
| Hitachi Energy UK | At least 500 jobs | The announcement said the roles will support grid expansion over the next five years. |
| Eisai | £48 million investment | The government said the Hatfield investment will expand capabilities for manufacturing linked to an innovative dementia treatment. |
Frontier Technology Partnership Agreed
The leaders are expected to agree the UK-Japan Frontier Technology Partnership. The leaders are expected to agree the UK-Japan Frontier Technology Partnership, covering areas including artificial intelligence, semiconductors, quantum computing, cyber security, civil nuclear energy, space and defence technology.
The government said the agreement will combine UK research capabilities with Japanese manufacturing expertise and investment to support future industrial growth.
Economic Security Cooperation Deepens
The UK and Japan also signed a Joint Declaration on Economic Security Cooperation. The declaration covers supply chain resilience, investment security, public-private partnership, trade, technology protection and critical minerals cooperation.
The declaration says both governments will deepen collaboration through bilateral dialogues and strategic finance coordination. It also sets out cooperation on areas including economic coercion, export restrictions, WTO reform and the Comprehensive and Progressive Agreement for Trans-Pacific Partnership.
Defence And Strategic Partnership Expanded
The leaders are expected to confirm their shared commitment to the Global Combat Air Programme. They also discussed the next phase of the programme, including an international contract expected to be signed by the end of the month.
A new Defence Capability and Industrial Council will support greater industrial cooperation between the UK and Japan. The government said this will help accelerate work on dual-use technologies, including drones and artificial intelligence, while helping UK defence firms access Japanese investment.
Ministerial Comments
Prime Minister Keir Starmer said;
“These landmark agreements will bring multibillion pound investment into the UK, creating tens of thousands of new jobs and driving new developments.”
“As G7 economies and close security partners, we are working together with Japan on some of the most innovative technology in the world, harnessing the best of British and Japanese research and industry to deliver growth and security to every corner of the United Kingdom.”
The Downing Street meeting brings together investment, clean energy, technology and economic security measures within the UK-Japan relationship. The package includes major Japanese commitments across infrastructure, financial services, offshore wind and life sciences, alongside agreements on frontier technology and defence cooperation. The government is presenting the visit as a step change in economic and strategic partnership.
Sources: Prime Minister’s Office, 10 Downing Street and The Rt Hon Sir Keir Starmer KCB KC MP.
Prepared by Ivan Alexander Golden, Founder of THX News, an independent news organisation delivering timely insights from global official sources. Combines AI-analysed research with human-edited accuracy and context.
