Ireland Surges to Fifth Largest Investor in the US, Fueling Economic Partnership

Irish investment in the United States has reached a historic $389 billion, propelling Ireland to become the fifth largest source of foreign direct investment (FDI) into the US. This surge in investment underscores a resilient and expanding economic partnership between the two nations, with Irish companies playing an increasingly significant role in the American economy.

Record Investment and Job Creation

According to Enterprise Ireland, cumulative investment from Ireland in the US reached a record $389 billion by the finish of 2024. Notably, Ireland was the largest source of fresh investment expenditures in the US in 2024, accounting for $30.1 billion . The top 10 Irish investors currently employ over 125,000 people across the United States .

Key Players and Investment Plans

Several prominent Irish firms are driving this investment wave. Smurfit Westrock, the world’s largest listed packaging company, plans to invest $1 billion annually in the US over the next five years. Kingspan, an insulation specialist, is committing $1 billion over five years to manufacturing and brownfield site renovation in the US . Glanbia, a nutrition group, is investing approximately $100 million to expand its US capacity in New Mexico and Ohio.

Other Irish companies expanding their US presence include Applegreen, with a further $70 million investment and 400 new jobs planned for Colorado, and Tines, a workflow automation platform creating 100 high-value jobs in Boston. Fexco is also making a multi-million-euro investment in its payUnite payments orchestration platform, with an expanded US rollout .

Government Support and Transatlantic Relations

Taoiseach Micheál Martin is expected to emphasize the strength of the transatlantic investment relationship during his upcoming St. Patrick’s Day visit to the White House. He is expected to announce planned investment of €6.1 billion by Irish firms in the US this year . Enterprise Ireland has also expanded its presence in the US, opening its seventh office in Atlanta .

Addressing Protectionist Concerns

The increased investment comes amid concerns regarding Washington’s protectionist approach to tariffs and tax, which could potentially impact long-standing investment from US multinationals in Ireland. Still, Taoiseach Martin has highlighted the deeply embedded, two-way nature of the Irish-US economic relationship, emphasizing that Irish companies are “resilient partners, revitalising regional heartlands of America and a driver of the next wave of industrial and technology innovation” .

Ireland’s Position as a Key Investor

Enterprise Ireland chief Jenny Melia stated that the milestones represent a new generation of Irish enterprise: “agile, innovative, and deeply committed to delivering a competitive edge for their US partners” . Ireland is also the world’s biggest investor in the US on a per capita basis .