The annual St. Patrick’s Day holiday means a frenzied few days of diplomacy for Taoiseach Micheál Martin. The Irish Prime Minister hosted his British counterpart, Sir Keir Starmer, for a short summit in his hometown of Cork. Then he attends the European Council meeting in Brussels. Sandwiched in between is the jewel in the crown of Irish diplomacy, the annual St. Patrick’s Day visit to the White House. 

The diplomatic frenzy underlines Ireland’s success — and its “Shamrock dilemma,” a reference to the country’s symbolic three-leaf national emblem. One leaf is Ireland’s heavy reliance on a small number of American tech and pharma companies. A second leaf is Irish membership in the European Union, which targets cutting reliance on those same US big tech firms with its digital sovereignty agenda. And the final leaf is the strong relationship Ireland enjoys with the United States, where policymakers have strong views on tech, taxation, and the EU. At a time of heightened transatlantic tensions, Ireland is balancing often contradictory demands from three sides.   

The annual Irish pilgrimage to the White House underlines an incredible level of access for a small country. The Taoiseach will breakfast in the Naval Observatory as a guest of Vice President JD Vance. Then Mike Johnson, the Speaker of the House, will host a bipartisan lunch in the Taoiseach’s honor. The day rounds out with a private Oval Office meeting with President Trump before a White House reception at which the Taoiseach will present the foliage.  

In recent years, there have been calls in Ireland for the Taoiseach to boycott the event to send a message about US policies or to berate President Donald Trump. Successive Taoisigh have sensibly ignored such pleas and kept the Oval Office appointment. This year will be no different and a visit without controversy will be considered a success.   

But the shamrock dilemma will remain long after the party ends. 

Ireland’s position as an English-speaking EU member state made the country a hub for US foreign direct investment, particularly from tech and pharmaceutical companies. It’s been an astonishing success. From one of the poorest EU countries a few decades ago, Ireland has become one of the richest, averaging more than 6% annual growth in the two decades before the 2008 recession. Following reforms, the economy recovered after the crisis, expanding by around 12% alone in 2025. 

Low taxes helped. The country’s standard corporate tax rate is 12.5%, rising to 15% on annual revenue above €750 million — this is compared to a 21.6% average across the EU, 21% in the US, and 25% in the UK. Despite the low rates, in 2024 the Irish exchequer raked in over €26 billion, with nearly half of that allegedly coming from just three American companies. 

The tax income from foreign firms distorts Ireland’s GDP, and a concentrated reliance on a small number of companies is a major risk to the economy. Any plan to diversify away from the tech and pharma giants by building more successful Irish companies will take years — if it is even possible. The government needs the US giants to stay put and stay profitable. The companies want Ireland’s help to keep the US administration onside while seeking reform within the EU. 

When dealing with the US, expect Ireland to keep the message positive but narrow. President Trump has shown a soft spot for Ireland. He owns a golf course and hotel in Doonbeg, County Clare,which is the venue of the Irish Open golf tournament later this year — and the President is expected to attend. In the meantime, Irish diplomats and ministers will emphasize the “resilient two-way partnership.” Investment goes two ways: while US firms pour billions into Ireland, Ireland represents the fifth largest source of foreign direct investment in the US.   

For the EU, Ireland also faces challenges. During its upcoming European Union Presidency, which begins on July 1, the country’s strong relationship with US tech firms and its low tax rate will come under the microscope. Although the government is generally in step with tech firms on many issues, including opposing Made in Europe digital sovereignty and boosting European competitiveness, it is in the “European mainstream” on the application of tough regulation and age verification.  

The turbulent state of the transatlantic alliance remains a risk for all small countries. Ireland’s EU membership, with its large internal market, provides some cover from wider economic shocks, but an outsized exposure to US trade remains a challenge. The country’s militarily neutral status leaves it exposed and isolated on security matters. Defense spending remains paltry and Ireland is reliant on its neighbors for protection, including for crucial transatlantic undersea cables in its territorial waters. On tariffs, Ireland can only watch and wait, with fingers crossed. 

For now, though, the Emerald Isle will seek to make the most of the global celebration of its patron saint. The shamrock has its upsides. 

Ronan Murphy is Director of the Tech Policy Program at the Center for European Policy Analysis.  

Bandwidth is CEPA’s online journal dedicated to advancing transatlantic cooperation on tech policy. All opinions expressed on Bandwidth are those of the author alone and may not represent those of the institutions they represent or the Center for European Policy Analysis. CEPA maintains a strict intellectual independence policy across all its projects and publications.

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