Main Capital Partners, a software investor in the Benelux, DACH, the Nordics, and the United States, announced that it has acquired a majority stake in Norwegian fintech firm Aritma.

This Main Foundation II investment further strengthens Main’s presence in the Nordic enterprise software landscape.

This partnership will support Aritma’s continued expansion of its product suite, international growth, and selective strategic acquisitions.

Aritma: Providing banking and finance automation solutions

Based out of Bergen, Norway, Aritma is a cloud-native provider of banking and finance automation solutions.

The company’s API-first platform connects ERP systems with the banking ecosystem,  streamlining critical processes such as payments, bank reconciliation, and data validation.

Currently, the company serves approximately 900 customers across the Nordics, including leading ERP vendors, accounting platforms, and financial institutions.

Thor Kristian Seth, CEO of Aritma, says, “We are very proud to announce our partnership with Main Capital Partners, a collaboration that marks a key milestone in Aritma’s history. Main’s proven track record in building and scaling software companies fits perfectly with our ambitions. Together, we are committed to accelerating Aritma’s growth, expanding into new markets, and strengthening our position as a trusted enabler of financial automation in Europ.e”

The partnership

According to Main Capital Partners, the reasons behind the strategic partnership with Aritma are its strong product-market fit, deep workflow integration, and high scalability.

In an increasingly regulated and digitised financial environment, the Norwegian company enables customers to automate critical financial operations while ensuring compliance with evolving standards.

The company plans to accelerate international expansion, building on its Nordic footprint and growing its embedded partner model.

Leveraging Main’s strategic expertise and track record in supporting cross-border growth, both organically and through acquisitions, the company aims to become a leading European platform for payment and reconciliation automation.

Strategic partner for software companies

Main Capital Partners is a software investor managing private equity funds active in the Benelux, DACH, the Nordics, and the United States with approximately €6B in Assets under Management.

The firm maintains an active portfolio of over 50 software companies. The underlying portfolio employs over 15,000 employees. Through its Main

Social Institute, Main supports students with grants and scholarships to study IT and Computer Science at Technical Universities and Universities of Applied Sciences.

Wessel Ploegmakers, Partner at Main Capital Partners, says, “We are excited to partner with the Aritma team as they continue building one of the most compelling platforms in financial workflow automation. Aritma’s strong market position, modern architecture, and mission-critical offering make it a great fit with our investment strategy. Together, we look forward to accelerating their international growth and supporting the next phase of their journey”.