Développement & Partenariat
Paris-based mid-market private equity firm founded by Didier Calmels, registered in October 2000 with an operational predecessor dating to 1992. Its tracked portfolio spans seven companies across mid-market buyouts and MBOs. Decayeux (2015, mailbox and security-lock manufacturer in Feuquieres-en-Vimeu) is the sole remaining active holding, in redressement judiciaire since February 2026. Past exits include 99 Group (sold to Andera Partners, 2019), Octime (sold to Edmond de Rothschild Investment Partners and Capzanine, 2016), Moving (sold to Capzanine, 2017), Hydronic (2026), Socopa (sold to Groupe ILP and Bpifrance, 2021) and Mapotempo (sold to Woop, 2021). The firm now operates as a largely inactive legacy holding structure, though the legal entity remains active.
Key facts
Recent exits
Coverage notes
1 fund tracked, 7 portfolio companies (1 active · 6 realized). Verified weekly from public filings and deal announcements.
Sector breakdown
7 companiesFunds & portfolio
Every fund Développement & Partenariat has raised, with its portfolio companies. Hand-checked from public filings.
Developpement PartenariatBuyoutRealized2000 · 26yr€50M1 active · 6 realized
Unrealized
1 held| Company | Sector | Geo | Entry |
|---|---|---|---|
| Industrials |  France | 2015 |
France· Entry 2015Realized
6 exits| Company | Sector | Geo | Entry | Exit | Type | Buyer | MOIC |
|---|---|---|---|---|---|---|---|
| Business Services | France | 2016 | 2019 | Secondary | – | ||
| Industrials | France | 2008 | 2026 | – | – | – | |
| SaaS | France | 2014 | 2021 | Trade Sale | – | ||
| HealthTech | France | 2009 | 2017 | MBO | – | ||
| Software | France | 2012 | 2016 | Secondary | – | ||
| Industrials | France | 2013 | 2021 | Secondary | – |
France· Entry 2008Saved GPs appear in your watchlist, one click from your workspace.
About Développement & Partenariat
Développement & Partenariat is a French private equity firm with capital deployed across 1 active fund vehicles, headquartered in Paris. Founded in 2000, the firm focuses on buyout and growth equity investments in European mid-cap businesses across software, business services and industrials, deploying capital from successive flagship funds with institutional limited partner support.
Investment thesis
Développement & Partenariat deploys buyout capital into European mid-cap and small-cap businesses across software, business services and industrials, 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
Realised exits across the current platform vintages remain limited, with the portfolio in active deployment and value-creation phase. The platform tracks 1 dedicated investment vehicle, 3 active portfolio companies and 0 realised exits across the strategy's history. Detailed buyer names and multiple data available on Pro at €29/month.
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