Tertium Invest
Marseille-based regional PACA mid-cap PE founded 2012; deploys around EUR 133M across Tertium Croissance I (2012 EUR 22.6M Realized) + Tertium Croissance (2019 EUR 50M Harvesting) + Tertium Fund 2 (2019 EUR 60M Investing) targeting French regional SMEs in industrials, consumer, energy and TMT. Notable exits Maten-Secomoc 2022 Groupe M, Ideol 2018 BW Offshore, Waga Energy September 2025 multi-seller syndicate to EQT EUR 534M.
Key facts
Recent exits
Coverage notes
3 funds tracked, 17 portfolio companies (11 active · 6 realized). Verified weekly from public filings and deal announcements.
Sector breakdown
17 companiesFunds & portfolio
Every fund Tertium Invest has raised, with its portfolio companies. Hand-checked from public filings.
Tertium CroissanceGrowthHarvesting2019 · 7yr€50M3 active · 3 realized
Unrealized
3 held| Company | Sector | Geo | Entry |
|---|---|---|---|
| TMT |  France | 2016 | |
| Industrials | France | 2022 | |
| Healthcare | France | 2019 |
France· Entry 2016France· Entry 2022France· Entry 2019Realized
3 exits| Company | Sector | Geo | Entry | Exit | Type | Buyer | MOIC |
|---|---|---|---|---|---|---|---|
| ClimateTech | France | 2014 | 2016 | Trade Sale | – | – | |
| ClimateTech | France | 2016 | 2021 | Trade Sale | – | ||
| ClimateTech | France | 2019 | 2025 | Secondary | – |
Tertium Fund 2Growth2019 · 7yr€60M6 active · 1 realized
Unrealized
6 held| Company | Sector | Geo | Entry |
|---|---|---|---|
| Education | France | 2022 | |
| Consumer |  UK | 2023 | |
| Consumer | France | 2022 | |
| Consumer | France | 2014 | |
| Industrials | France | 2020 | |
| TMT | France | 2021 |
France· Entry 2022UK· Entry 2023France· Entry 2022France· Entry 2014France· Entry 2020France· Entry 2021Tertium Croissance IGrowthRealized2012 · 14yr€23M2 active · 2 realized
Unrealized
2 held| Company | Sector | Geo | Entry |
|---|---|---|---|
| Mobility | France | 2022 | |
| Software | France | 2015 |
France· Entry 2022France· Entry 2015Realized
2 exits| Company | Sector | Geo | Entry | Exit | Type | Buyer | MOIC |
|---|---|---|---|---|---|---|---|
| Industrials | France | 2014 | 2023 | Trade Sale | – | ||
| TMT | France | 2015 | 2020 | Trade Sale | – |
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About Tertium Invest
Tertium Invest is a French private equity firm with €133 million of assets under management as of December 2024, headquartered in Paris. Founded in 2012, the firm focuses on buyout and growth equity investments in European mid-cap businesses across industrials, consumer, business services, energy and software, deploying capital from successive flagship funds with institutional limited partner support.
Investment thesis
Tertium Invest deploys buyout capital into European mid-cap and small-cap businesses across industrials, consumer, business services, energy and software, targeting majority equity positions in profitable companies with clear value-creation runways. Investment focus emphasises operational improvement, selective bolt-on M&A acceleration and selective international expansion across France and selectively across Europe, with capital deployed from successive flagship funds backed by institutional limited partners.
Recent activity
Recent realised exits include Waga Energy (energy, 2025), Traxens (TMT, 2023), Alliance Marine (industrials, 2022) and Maten-Secomoc (industrials, 2022). The platform tracks 3 fund vehicles, 12 active portfolio companies and 5 realised exits across the strategy's history. Detailed buyer names and multiple data available on Pro at €29/month.
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