Ergon is a mid-market investment company with ~€1.0 billion  under management backed by Sienna Capital.

Ergon is a disciplined and discreet value investor, which provides "patient and friendly capital" to entrepreneurs and managers who need capital and industrial solutions to accelerate the development of their companies. Ergon represents an alternative to other types of financial investors (family offices, local private equity funds, purely financial investors) and proposes a unique flexibility, adapted to each specific situation.


Ergon makes equity investments from €25 million up to €75 million in leading companies with a sustainable competitive position in attractive niche markets located in the Benelux, France, Germany, Italy, Iberia and Switzerland.

To carry out its investment activity Ergon is advised by Ergon Capital Advisors, an independent advisory firm with offices in Brussels, Paris, Munich, Milan and Madrid.

Since its inception in 2005, over successive investment programs, Ergon raised approximately €1.4 billion, and invested in 18 companies (of which 5 in the Benelux, 2 in France, 3 in Germany, 7 in Italy and 1 in Spain) and 33 add-on acquisitions for a total aggregate transaction value in excess of €3.0 billion.


John Mansvelt
+ 32 2 213 60 90