Main Capital Partners

Investment decisions are governed by the partnership committee, led by Founder and Managing Partner Charly Zwemstra alongside Partners Pieter van Bodegraven and Wessel Ploegmakers. The firm has moved from a founder-centric model toward a distributed partnership structure, with regional managing partners responsible for origination and execution in their respective geographies, though final investment committee approval rests with the senior partners.

Main exclusively pursues majority and controlling stakes in profitable B2B software companies. The firm does not engage in minority growth equity or venture-stage investing. Its model centers on buy-and-build, where platform acquisitions are followed by strategic add-on acquisitions to drive consolidation within vertical software niches.

The firm sources primarily through a dedicated outbound origination team operating across its Benelux, DACH, and Nordic offices, augmented by long-standing relationships with founder-owners in the European software ecosystem. Main's multi-decade track record and regional specialist partners give it proprietary access to founder-led businesses that are not broadly marketed. The firm also receives inbound deal flow from intermediaries familiar with its concentrated sector mandate.

The firm closed Main Capital VIII at EUR 2.4 billion in late 2023, making it the largest fund in the firm's history. In addition, Main closed a GP-led continuation vehicle, Main Capital Partners Continuation I, in September 2024 to retain a selection of high-performing portfolio companies beyond the typical fund life (per the firm, 2023-2024).

Main Capital Partners explicitly avoids hardware, deep technology, biotech, consumer internet, and early-stage venture investments. The firm invests only in established business-to-business software companies with proven product-market fit and recurring revenue. It does not operate in the financial services or industrial manufacturing software layers unless they are pure-play vertical SaaS businesses.

Main concentrates its investments in Northern and Western Europe, specifically the Benelux region, Germany, Austria, Switzerland, and the Nordic countries. While the firm has occasionally reviewed opportunities in other European markets, its partnership network, office footprint, and operational value-creation model are optimized for these core geographies.

Main maintains a dedicated portfolio acceleration team separate from its deal professionals, focused on operational improvements, management recruitment, and add-on acquisition execution within portfolio companies. The firm also structures management incentive plans tied to equity appreciation, often retaining founder-CEOs in significant roles post-acquisition to maintain continuity.