The EU–US transatlantic relationship has entered a brand new section of volatility after the US Supreme Court docket struck down President Trump’s world tariff offers. The ruling casts recent doubt over the 15% tariff charge on EU exports negotiated final summer time, prompting the European Parliament to freeze the ratification of the brand new EU–US Commerce Settlement pending authorized readability. In response to the court docket’s ruling, Donald Trump initially threatened to lift world tariffs to fifteen%, however as a substitute imposed a short lived 10% charge set to run out on 24 July until Congress renews it.
For Brussels, the implications go far past tariffs. With EU–US commerce surpassing €1.6 trillion yearly, rising authorized uncertainty and renewed tariff threats amid geopolitical crises have strained not solely financial ties but additionally the broader conventional alliance.
Implications for European startups
Amid this geoeconomic upheaval, and with President Trump beforehand threatening to impose further tariffs on a number of European nations in his bid to take Greenland, how has the brand new EU–US commerce deal and the continuing uncertainty impacted transatlantic commerce and, particularly, European startups?
Since July 2025, EU exports to the US have taken successful, weighed down by increased US tariffs and a stronger euro, making European items dearer for US shoppers. UN Comtrade information exhibits that within the third quarter of 2025, EU exports to the US fell sharply by 25% to €147.1 billion in comparison with the earlier quarter. That determine had been briefly inflated by a March surge, as US companies rushed to import European items forward of latest tariffs taking impact on 1 August. The general influence of the tariff settlement is stark: the EU’s items surplus with the US has virtually halved, dropping from €81 billion within the first quarter of 2025 to €41 billion within the third quarter.
Irish and European exporters to the US are impacted by the tariffs in a number of methods, with startups in trade-dependent sectors, together with {hardware}, equipment, chemical substances and prescribed drugs, being notably susceptible. Tariffs improve prices, squeezing revenue margins and disrupting provide chains, which in flip can influence money movement, as Enterprise Eire has warned. Rising costs and uncertainty might immediate US patrons to hunt different suppliers, leaving European firms at an obstacle in comparison with non-tariffed rivals. In response, Enterprise Eire has launched focused grants for Irish exporters, each for market analysis and new market validation, to assist them adapt strategically and diversify their markets.
Commerce tensions have additionally revealed that entry to important applied sciences is now not a given. The EU’s rising AI market, characterised by a proliferation of startups, is closely depending on US hyperscalers for cloud and AI companies, representing a structural vulnerability. Furthermore, the EU has confronted an aggressive response because it has sought to control large tech platforms underneath the EU’s Digital Companies Act, the Digital Markets Act and the AI Act. This has resulted in further US tariff threats, with European regulators and repair suppliers, together with tech firms, additionally being focused.
A local weather of funding uncertainty
This unstable setting creates uncertainty, main enterprise capital (VC) funds to make extra cautious choices, delay investments and even withdraw from Europe. Within the first quarter of 2025, the US share of whole European deal worth fell to 46.9%, down almost 4% from the earlier quarter, in line with PitchBook information. The general quantity of VC offers in Europe dropped to its second-lowest stage in a decade in 2025, in line with KPMG.
This notably impacts startups in much less mature ecosystems that depend on exterior capital, particularly from the US, to shut funding gaps, typically within the later financing levels. With the US already investing not less than 4 instances extra VC per capita than Europe, there’s a actual threat of a widening innovation hole.
Towards this backdrop, initiatives for higher harmonisation throughout EU member states are important to assuaging the influence of commerce tensions and tariffs. The Capital Markets Union goals to increase financing choices for European startups and make the EU a safer and extra enticing place to put money into the long run. In the meantime, the €5 billion Scaleup Europe Fund, anticipated to launch in spring 2026, seeks to deal with shortages in late-stage development capital for strategic deep-tech firms.
Transatlantic relationship now not assured
The transatlantic relationship stays economically important, however this as soon as shut relationship can now not be taken as a given. This can be a stark and painful lesson for Europe. Diversification is smart, nevertheless it comes with its personal political and financial trade-offs, and this was acutely mirrored within the Mercosur Partnership Settlement negotiations.
A thriving startup ecosystem is essential to Europe’s financial development, competitiveness and resilience to world commerce shocks. In its Startup and Scaleup Technique from Could 2025, the European Fee set out its position, along with the European Exterior Motion Service and Member States, in supporting startups to entry world markets via commerce agreements, EU Delegations and devoted EU instruments such because the Access2Markets portal. Modern startup options additionally have to be built-in into the worth chains of World Gateway.
The second is ripe for startups to contemplate the alternatives of diversification and the way they’ll acquire a strategic edge in Europe.
As Eire prepares to host its eighth Presidency of the Council of the EU within the latter half of this 12 months, commerce relations are set to dominate the agenda. Given Eire’s distinctive relationship with the US, it must proceed to stability strained US relations inside a broader European agenda because it assumes EU management. If Eire’s strategy is politically shrewd, it could effectively obtain this for the advantage of all Europeans.

