M&A Year Review 2025 | Ireland and UK

Key Contacts: Eoghan Doyle – Head of Corporate and M&A | Andrew Tzialli – Partner |

Comprehensive analysis of Ireland’s mergers & acquisitions landscape

Welcome to Philip Lee’s Ireland and UK M&A Review 2025, our annual analysis of deal activity across the Irish market. This year’s edition provides a clear, data‑driven view of how Ireland performed in a period marked by global uncertainty, shifting investor sentiment and growing sectoral divergence. Our report offers insights for corporates, investors and advisers assessing the year’s M&A environment and the opportunities emerging for 2026 and beyond.

Key Findings from Ireland’s M&A Market in 2025

Ireland recorded a year of moderated activity, reflecting broader international investment hesitation but demonstrating relative resilience compared with the UK.

  • 733 transactions completed in 2025
  • Represents a 14.9% decline on 2024
  • Aggregate deal value decreased by 12.7%, from €56.2bn to €49.1bn

Despite reduced volume and value, Ireland continued to attract strong attention from international buyers, highlighting the market’s long‑standing reputation for stability and innovation.

Sector Insights
Technology, Media & Telecommunications (TMT)

TMT remained the dominant driver of growth capital, attracting approximately 41% of private equity investment. AI‑focused and AI‑native businesses were particularly active, representing 40% of all growth investments across AI platforms and vertical applications such as LegalTech, PropTech, retail and e‑commerce.

Manufacturing & Professional Services

Both sectors sustained meaningful activity, drawing strategic international purchasers and private equity firms looking for resilient, scalable opportunities.

Private Equity Trends

Private equity was a core driver of deal flow, although volumes softened by approximately 25% compared with 2024. Nonetheless, PE activity remained robust across:

  • Tech‑enabled businesses
  • Specialist manufacturing
  • Professional services platforms

These categories continued to benefit from international investor interest and strategic consolidation.

International Buyer Activity

UK and US acquirers maintained a strong presence in the Irish market, accounting for a significant proportion of inbound transactions. Their interest underscores Ireland’s attractiveness as a stable, innovation‑focused investment environment, even against a backdrop of tightening economic conditions.

Download the Full Report

The full Philip Lee M&A Review 2025 provides:

  • Detailed sector breakdowns
  • Deal value analysis
  • Year‑on‑year comparisons
  • Private equity insights
  • Outlook for 2026