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Main Capital Partners
Main Capital Partners was founded in 2003 by Charly Zwemstra as a private equity firm dedicated solely to software investments in Northwestern Europe.
Main Capital Partners
Main Capital Partners was founded in 2003 by Charly Zwemstra as a private equity firm dedicated solely to software investments in Northwestern Europe. The firm targets majority and minority stakes in growing enterprise software companies, with a focus on the Benelux, Germany, Austria, Switzerland, and the Nordic region. The firm invests across the growth spectrum, from expansion capital to buyouts, typically deploying €10 million to €100 million per deal. As a sector specialist, Main Capital Partners has built a portfolio of over 100 software companies, including confirmed positions in companies such as AFAS Software, a Dutch ERP provider; Roseman Labs, a Dutch cybersecurity firm; and Planon, a facility management software company. The firm also manages a dedicated fund for smaller buyouts, Main Capital Growth, and has a separate co-investment vehicle for larger transactions. Geographic focus covers the Benelux, DACH region, and Nordics, with additional on-the-ground presence in Sweden. Main Capital Partners employs approximately 90 professionals across offices in The Hague, Düsseldorf, and Stockholm. The firm has raised over €2.5 billion in total committed capital across multiple fund generations. In 2023, the firm closed its seventh main fund, Main Capital Partners VII, at €750 million (per the firm, 2023). The firm also operates a separate growth fund, Main Capital Growth, launched in 2021, targeting smaller investments in the Benelux and DACH region. Main Capital Partners' structural differentiator is its hyper-focused sector specialization. Unlike generalist private equity firms, Main Capital Partners invests exclusively in enterprise software and SaaS — a narrow mandate that allows its team of operators and former software executives to offer deep operational expertise to portfolio companies. The firm also maintains a dedicated network of software executives and advisors, creating a sourcing advantage in its target regions.
General information
Firm type
Private Equity Firm
Year founded
2003
AUM
€2.5 billion - €5 billion (per firm communications, 2023)
Location
Region
Europe
Country
Netherlands
City
The Hague
Corporate office
The Hague, Netherlands
Additional offices
Düsseldorf, Germany · Stockholm, Sweden
Principals
Charly Zwemstra
Founder and Managing Partner
Pieter van Bodegraven
Managing Partner
Hugo Loeser
Partner
Sector focus
Frequently asked questions
Who leads investment decisions at Main Capital Partners?
Charly Zwemstra, Founder and Managing Partner, leads the firm alongside Managing Partner Pieter van Bodegraven. Investment decisions are made by the firm's partnership, which includes a team of sector-specialist partners managing deal sourcing and portfolio oversight. The firm operates a partnership model with clear sector responsibility.
How does Main Capital Partners source proprietary deal flow?
Main Capital Partners sources deals through its deep network of software executives, advisors, and industry contacts across Northwestern Europe. The firm's exclusive focus on enterprise software and SaaS creates a reputation that attracts inbound opportunities. Targeted outreach to founder-owned software companies in the Benelux, DACH, and Nordics also generates proprietary deal flow.
Is Main Capital Partners structured as a single family office or a private equity firm?
Main Capital Partners is a dedicated private equity firm, not a family office. It manages institutional capital from pension funds, insurance companies, and endowments. The firm operates as a regulated investment manager with separate fund structures, not as an entity managing a single family's wealth.
What investment stages does Main Capital Partners typically target?
Main Capital Partners targets growth-stage and buyout investments in enterprise software companies, typically deploying €10 million to €100 million per deal. The firm provides expansion capital for scaling, as well as majority buyouts for mature software firms. It also has a separate growth fund, Main Capital Growth, for smaller investments (€2 million to €10 million).
Which sectors does Main Capital Partners explicitly avoid?
Main Capital Partners explicitly avoids non-software sectors, including hardware, biotech, clean tech, real estate, and financial services. The firm's mandate is exclusively enterprise software and SaaS, covering sub-sectors such as cybersecurity, digital health, fintech, and AI/ML. It does not invest in consumer software or hardware.
Does Main Capital Partners participate in fund commitments or only direct deals?
Main Capital Partners invests exclusively in direct private equity deals, not in fund-of-funds or third-party fund commitments. The firm controls its investments directly, taking board seats and actively working with portfolio company management. Its co-investment vehicle allows select institutional partners to participate in larger transactions alongside the main fund.
Where does the underlying wealth come from for Main Capital Partners?
Main Capital Partners manages institutional capital, not a single-family fortune. The firm's limited partners include pension funds, insurance companies, and endowments across Europe and North America. The firm's own principals, including Charly Zwemstra, have co-invested significant personal capital into the funds alongside institutional investors.
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