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Donald Trump's Second State Visit to the United Kingdom (2025)

U.S. President Donald Trump conducted his second state visit to the United Kingdom from 16 to 18 September 2025. During the visit, the two countries signed the Tech Prosperity Deal worth $42 billion and made investment commitments exceeding $200 billion.
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This article was automatically translated from the original Turkish version.

Article

September 17, 2025

U.S. President Donald Trump undertook his second state visit to the United Kingdom from 16 to 18 September 2025. The visit is historic as it marks the first time a elected political leader has been granted two state visits by the same British monarch. As part of the program, official ceremonies were held at Windsor Castle, meetings took place with Prime Minister Keir Starmer at Chequers, and agreements were signed in the fields of technology and energy. The visit triggered widespread protest demonstrations across the country.



Preparations and Invitation Process

The invitation for Donald Trump’s second state visit was extended by King Charles III during Prime Minister Keir Starmer’s visit to Washington in February 2025.


The United Kingdom government planned the visit within the framework of strengthening international relations. In the lead-up to the visit, Prime Minister Starmer faced internal party disputes and several diplomatic crises. The dismissal of former U.S. ambassador Peter Mandelson over his connections to Jeffrey Epstein sparked public debate and influenced the political agenda prior to the visit.


Economically, both sides were reported to have been preparing for new agreements. Officials announced plans to unveil agreements exceeding ten billion dollars, covering areas such as technology, nuclear energy, research and defense cooperation. Additionally, a “Transatlantic Task Force” was established to deepen collaboration between financial centers.


The official program for the visit included royal ceremonies at Windsor Castle, a visit to St George’s Chapel, bilateral talks at Chequers, meetings with business representatives, and the signing of economic cooperation agreements.

Donald Trump’s Arrival in the United Kingdom

U.S. President Donald Trump and his wife Melania Trump arrived at London’s Stansted Airport, northeast of the capital, on the evening of 16 September 2025 aboard Air Force One. They were greeted on behalf of King Charles III by Lord Henry Hood, Keeper of the Privy Purse. Also present were UK Foreign Secretary Yvette Cooper and U.S. Ambassador to London Warren Stephens.


Following the arrival ceremony at the airport, the Trumps transferred to Winfield House, the official residence of the U.S. Ambassador in London, via the presidential helicopter Marine One. Winfield House has served as the official residence of U.S. ambassadors since 1955. The couple spent their first night there.



No official public program was held on the day of arrival, but protests began immediately. Demonstrators in Windsor projected images linked to Jeffrey Epstein onto the walls of Windsor Castle. Banners bearing photographs of Trump and Epstein were displayed, and preparations continued for centrally organized demonstrations in London planned by the Stop Trump Coalition.


Under enhanced security measures, the Metropolitan Police announced that 1,600 officers would be deployed for operations scheduled for the following day.

Delegation and Protocol Accompanying the Visit

President Trump was accompanied by his wife Melania Trump. A high-level delegation of government officials and advisors also joined the visit. The delegation included U.S. Secretary of State Marco Rubio, U.S. Secretary of the Treasury Scott Bessent, U.S. Ambassador to the United Kingdom Warren Stephens, Special Representative for the Middle East Steve Witkoff, and White House Chief of Staff Susie Wiles. In addition, numerous senior White House officials and security personnel were part of the delegation. For Trump’s security, special aircraft, the presidential limousine “Cadillac One” (The Beast), and the Marine One helicopter fleet were transported to the United Kingdom.


In the United Kingdom, Prime Minister Keir Starmer served as the primary interlocutor in the diplomatic talks. Foreign Secretary Yvette Cooper was present at the airport to welcome Trump upon his arrival and assumed responsibility for the official reception.


Under royal protocol, King Charles III and Queen Camilla received Trump and his wife at Windsor Castle and hosted the state ceremonies. Prince William and Princess Catherine were the first members of the royal family to greet the Trumps upon their arrival in Windsor. The state banquet and other ceremonial events will involve participation from the royal family.

Windsor Castle Program

On the second day of the visit, 17 September 2025, Donald Trump and his wife Melania arrived at Windsor Castle via Marine One helicopter. The couple was first greeted by Prince William and Princess Catherine, followed by an official reception from King Charles III and Queen Camilla.



During the ceremony held in the courtyard of Windsor Castle, the national anthems of the United States and the United Kingdom were played, after which Trump and King Charles reviewed the guard of honour. The ceremony was attended by 1,500 military personnel, double the number present during the recent visit by French President Emmanuel Macron. Trump and King Charles proceeded across the castle grounds in a motorcade accompanied by horse-drawn carriages. Simultaneously, gun salutes were fired from both Windsor Castle and the Tower of London.


Following the official ceremony, the Trumps joined the royal family for lunch at Windsor Castle. Later, they visited a special exhibition of artworks from the Royal Collection connected to the United States. In the afternoon, Donald and Melania Trump visited St George’s Chapel, where they laid a wreath at the tomb of Queen Elizabeth II.


Later in the day, a military ceremony known as Beating Retreat was held on the castle grounds. The event concluded with a joint aerial display by the Royal Air Force’s aerobatic team, the Red Arrows, and F-35 fighter jets from the United States and the United Kingdom. This marked the first time that F-35 aircraft from both nations performed a joint flight demonstration.


In the evening, a white-tie state banquet was held in the St George’s Hall of Windsor Castle. Attendees included British government officials, the US delegation, members of the royal family, representatives from the business community, and media personnel.


In his speech, King Charles III emphasized the historical ties between Britain and the United States. He noted that the two nations had long stood together in defence of shared values, fought side by side in wars, and collaborated in science and economics. The King also referenced the 250th anniversary of the American Declaration of Independence, highlighting the significance of today’s friendly relations following the historical rupture of the past.


Donald Trump expressed his deep respect for the United Kingdom. He described the invitation as one of the greatest honours of his life and praised Britain’s historical contributions such as the Magna Carta, the modern parliament, and the scientific method. Trump stated that the familial and identity bonds between the two countries were invaluable and affirmed that US-UK relations were strong at both bilateral and global levels.



Protests continued on the same day. A march that began outside the BBC building in London ended at Parliament Square, with thousands of participants. Demonstrators carried banners reading “Stop Trump,” “No Racism, No Trump,” “End Genocide,” and “Stop Arming Israel.” Protests also took place around Windsor, where new arrests occurred following police intervention at demonstrations near the castle.

Chequers Meeting (18 September 2025)

On the morning of 18 September 2025, U.S. President Donald Trump arrived at Chequers, the prime minister’s country residence in Buckinghamshire, aboard Marine One helicopter. He was formally welcomed by Prime Minister Keir Starmer and his wife Victoria Starmer. A military band was present for the ceremony, and Trump received a traditional honor salute in accordance with protocol.


Following the welcome, Trump and Starmer visited the Winston Churchill Archives within Chequers. During the visit, Churchill’s personal belongings, correspondence, and documents from the Second World War era were examined.

Bilateral Talks

The one-on-one and delegation-level meetings at Chequers covered a wide range of strategic and economic topics on the agenda of UK Prime Minister Keir Starmer and U.S. President Donald Trump.

Trade and Tariffs

The UK side particularly raised the issue of the U.S. imposing 25% additional tariffs on steel and aluminum products. Despite a previously signed bilateral trade agreement, the continued application of these tariffs was viewed by the UK as problematic. Starmer emphasized that these tariffs had led to job losses in UK steel production centers and negatively impacted bilateral trade volumes. The UK delegation argued that, given the similar tariffs applied by the U.S. on European Union countries, the UK deserved special treatment under its “special relationship” with the U.S.

Ukraine

The war in Ukraine was a major agenda item. Trump called on the UK, alongside other European countries, to increase economic pressure on Russia. Discussions focused on expanding sanctions and reducing dependence on Russian energy sources. Starmer affirmed his support for this approach and stated that the UK was prepared to expand its existing sanctions framework.

Gaza

The Palestinian issue highlighted differing positions between the two sides. Starmer brought forward the UK’s plan to recognize a Palestinian state, arguing that this step would constitute a diplomatic move toward a lasting solution to the conflict in Gaza. Trump opposed this initiative, clearly stating that the U.S. does not support the recognition of Palestine as a state. This disagreement was also reflected in the joint press conference.

Migration and Border Policies

Trump proposed that the UK could use its military units to help limit migrant flows at its borders, particularly targeting irregular migration across the English Channel. The UK side, while considering this proposal, highlighted its existing “one in, one out” reciprocal agreement with France. Under this arrangement, migrants arriving from France are returned, while France accepts a specified number of refugees from the UK.


Agreements and Investment Packages

The economic and technological cooperation initiatives announced during Donald Trump’s 2025 state visit to the UK were among the visit’s tangible outcomes. The UK government announced that U.S. companies had committed over $200 billion in investments in the country, expected to create 7,600 new jobs. The agreements focused particularly on artificial intelligence, quantum computing, data centers, civil nuclear energy, and small modular reactors (SMRs).

Tech Prosperity Deal ($42 billion / £31 billion)

This package represents one of the largest technology agreements ever signed between the UK and the U.S.


  • Microsoft: Will invest £22 billion to establish an AI-powered supercomputer and cloud infrastructure near London. The facility is planned to become one of Europe’s most powerful computing centers.
  • Google: Will construct a new data center in Waltham Cross with a £5 billion investment.
  • Nvidia: Will deploy 120,000 GPUs across the UK and collaborate with OpenAI on the Stargate supercomputer project, described as one of the world’s largest AI infrastructure initiatives.
  • CoreWeave: Will invest £2.5 billion to build energy-efficient data centers.
  • OpenAI: Will develop AI research and application projects in the UK in partnership with Microsoft.
  • Additional Participants: Salesforce, Oracle, Amazon Web Services (AWS), BlackRock, Scale AI, and AI Pathfinder have announced investment packages ranging from hundreds of millions to several billion pounds.

Nuclear Energy Agreements

  • An official agreement was signed between the U.S. and the UK to jointly develop and construct small modular nuclear reactors (SMRs). These reactors are expected to meet the growing energy demands of the UK’s rapidly expanding AI data centers.
  • Additionally, joint cooperation is planned for civil nuclear energy research projects and new energy security strategies.

Economic Cooperation Packages Exceeding $10 Billion

The package announced prior to and confirmed during the visit covers scientific research, defense technologies, and financial cooperation. It is reported to aim specifically at strengthening ties between transatlantic financial centers.

Large-Scale U.S. Investment Packages ($200 Billion)

Total U.S. corporate investment commitments to the UK have exceeded $200 billion.


  • Blackstone: Announced strategic investments in logistics and real estate.
  • Prologis: Committed to developing industrial zones and storage infrastructure.
  • Palantir: Will open new centers focused on data analytics and software solutions.


These investments are expected to generate a total of 7,600 new jobs nationwide. The UK government stated that these outcomes demonstrate “the strengthening of the economic pillar of the U.S.-UK partnership.”

Joint Press Conference

Following their talks at Chequers, Donald Trump and Keir Starmer held a joint press conference on the afternoon of 18 September 2025. The press conference was significant both as the official announcement of the agreements reached during the visit and as a public forum for the two sides to express their differing views on key issues.



Starmer and Trump described the UK-U.S. relationship as a “special relationship” during the press conference. Starmer noted that ties with the U.S. extend beyond economics to include deepening cooperation in security, defense, and culture. Trump stated that the visit opened a new chapter in bilateral relations and that the announced investment packages were the strongest evidence of this.


The press conference announced the $42 billion in technology investments under the Tech Prosperity Deal and the energy agreements on small modular nuclear reactors. Trump emphasized that these investments prove U.S. companies’ confidence in the UK. Starmer stated that these agreements would directly benefit the UK economy and mark the beginning of a new era in AI and energy sectors.


Trump reiterated his call for European countries and the UK to increase economic pressure on Russia. Starmer supported this appeal and confirmed that the UK was ready to expand its current sanctions regime. Differences in positions were also evident during the press conference: Starmer reiterated the UK’s plan to recognize a Palestinian state, arguing it would contribute to a diplomatic resolution. Trump clearly stated he did not support this move and that the U.S. opposes the recognition of Palestine as a state.


Trump has suggested that the United Kingdom could use military forces to secure its borders. This proposal has sparked public debate in the UK. Starmer, by recalling the UK’s existing readmission agreement with France based on the “one in, one out” principle, emphasized that the UK has already implemented comprehensive measures on migration.

Among the questions raised by journalists, discussions related to Epstein also surfaced. Trump limited his responses to brief remarks, stating that the topic was irrelevant to the agenda of his visit. Other questions focused particularly on the details of technology agreements, the UK’s energy independence, and potential aid to Ukraine.

Completion of the Visit

Donald Trump’s second state visit to the United Kingdom concluded on the evening of 18 September 2025, following meetings and a joint press conference at Chequers. In the final stage of the visit, Trump and Melania Trump traveled to Stansted Airport after the program at Chequers and departed from the UK aboard Air Force One. At the time of departure, Trump delivered a brief statement thanking King Charles III, Prime Minister Starmer, and the British people.

Protests and Public Reactions

Donald Trump’s second state visit to the United Kingdom was met with widespread protests. Demonstrations took place in various cities, including Windsor and London. During the visit, the Metropolitan Police deployed extensive security measures, assigning 1,600 officers to duty. Marches in London and demonstrations around Windsor were conducted under strict security protocols.

Protests in Windsor

Protests in Windsor began immediately after Trump’s arrival in the United Kingdom on 16 September 2025. Demonstrators unfurled large banners featuring photographs of Trump alongside Jeffrey Epstein and projected these images onto the walls of Windsor Castle. Four individuals were arrested during these actions. Further protests occurred around Windsor on 17 September, resulting in additional arrests on charges of disturbing public order.

Protests in London

On 17 September, a march beginning in front of the BBC building in London and stretching approximately three kilometers ended at Parliament Square. Thousands of participants carried banners reading “Stop Trump,” “No Racism, No Trump,” “End Genocide,” and “Stop Arming Israel.” The demonstrations criticized Trump’s climate policies, migration practices, the war in Gaza, and Britain’s stance on international relations.

Political Reactions

During the protests, several politicians made public statements. Former Labour Party leader Jeremy Corbyn greeted demonstrators during a speech at Parliament Square. Green Party leaders Zack Polanski and Carla Denyer criticized the red carpet welcome extended to Trump in the UK. London Mayor Sadiq Khan, in a piece written before the visit, highlighted the divisive nature of Trump’s policies but affirmed the necessity of maintaining relations with the United States. Liberal Democrat leader Ed Davey announced he would not attend the state dinner held at Windsor Castle.

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AuthorEdanur KarakoçSeptember 17, 2025 at 1:07 PM

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Summary

U.S. President Donald Trump made his second state visit to the United Kingdom from 16 to 18 September 2025. Trump was welcomed by King Charles III at ceremonies held at Windsor Castle and attended a state dinner. He met with Prime Minister Keir Starmer at Chequers, where agreements were signed for a $4.2 billion technology package and a small modular nuclear reactor deal. Large-scale protest demonstrations took place in London and Windsor during the visit.

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Contents

  • September 17, 2025

    Preparations and Invitation Process

  • September 17, 2025

    Donald Trump’s Arrival in the United Kingdom

  • September 17, 2025

    Delegation and Protocol Accompanying the Visit

  • September 17, 2025

    Windsor Castle Program

  • September 17, 2025

    Chequers Meeting (18 September 2025)

  • September 17, 2025

    Agreements and Investment Packages

  • September 17, 2025

    Joint Press Conference

  • September 17, 2025

    Completion of the Visit

  • September 17, 2025

    Protests and Public Reactions

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