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Assystem (ASY) investor relations material

Assystem H1 2025 earnings summary

Complete event summary combining all related documents: earnings call transcript, report, and slide presentation.
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H1 2025 earnings summary17 Sep, 2025

Executive summary

  • Revenue reached €326.4 million in H1 2025, up 8.3% year-over-year, with 4.7% organic growth and 3.7% from acquisitions, driven by strong international performance and the consolidation of Mactech Energy Group in the UK.

  • EBITA increased by 10.2% to €20.4 million, with a margin of 6.2% versus 6.1% in H1 2024, reflecting a greater contribution from international operations and increased business development costs.

  • Net profit declined to €4.3 million from €5.0 million, impacted by higher share-based payment expenses.

  • International business, especially in nuclear and defense sectors, drove growth, while France remained stable.

  • The nuclear sector accounted for 76% of revenue, with France and the UK as key markets.

Financial highlights

  • France revenue grew 1.8% year-over-year to €193.0 million, with Q2 organic growth accelerating to 2.9%.

  • International revenue rose 19.4% to €133.4 million, with 9.7% organic growth, notably in the UK.

  • EBITA margin improved to 6.2% (up 0.1pt year-over-year).

  • Free cash flow was negative €14.7 million, slightly improved from negative €15.9 million in H1 2024.

  • Net debt increased to €86.2 million from €49.3 million at year-end 2024, mainly due to acquisition and share buybacks.

Outlook and guidance

  • Full-year 2025 guidance maintained: organic revenue growth of around 5% and a stable EBITA margin versus 2024, despite ongoing economic and geopolitical uncertainties.

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Frequently asked questions

Assystem S.A. is an international engineering company that provides services in the fields of infrastructure, energy, and technology. The company specializes in complex project management, offering consulting, design, and engineering services primarily to the nuclear, transportation, and healthcare sectors. Assystem supports clients throughout the entire lifecycle of their projects, from initial design and feasibility studies to implementation and operational support. It also engages in digital transformation initiatives, helping organizations optimize their processes through technology. The company is headquartered in Courbevoie, France, and its shares are listed on Euronext Paris.

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