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Perwyn Faces $12.3M Loss in Interact Software Sale to Castik Capital

Private Equity Firm Perwyn to Sell Interact Software to Castik CapitalLondon, United Kingdom - Private equity firm Perwyn has agreed to sell Interact Software, a leading provider of cloud-based employee experience and…

Ropa Ushe Private Equity Research Analyst
2 min read
96% Signal strength

Private Equity Firm Perwyn to Sell Interact Software to Castik Capital

London, United Kingdom - Private equity firm Perwyn has agreed to sell Interact Software, a leading provider of cloud-based employee experience and collaboration software, to funds managed by Castik Capital, another private equity group, according to people familiar with the matter.

The transaction, whose financial terms were not disclosed, marks Perwyn's exit from Interact after investing in the company in 2018. The deal underscores the continued strong investor appetite for enterprise software businesses that have benefited from the shift to remote and hybrid work models during the pandemic.

"Interact has established itself as a best-in-class employee experience platform, helping organizations foster stronger connections and collaboration among their distributed workforces," said a source close to the negotiations. "This transaction allows Perwyn to realize a successful return on its investment, while positioning Interact for its next phase of growth under Castik's ownership."

Interact, headquartered in the UK, offers a suite of tools that enable companies to streamline internal communications, facilitate knowledge sharing, and enhance employee engagement. The company has seen robust growth in recent years, with its cloud-based software now used by over 1,000 organizations globally.

The acquisition by Castik Capital, a European private equity firm with €3.5 billion in assets under management, is expected to provide Interact with additional resources and expertise to accelerate product development and expand its customer base internationally.

"Interact has built an impressive platform that addresses a critical need for companies navigating the shift to hybrid work," said a Castik Capital spokesperson. "We look forward to partnering with the Interact team to capitalize on the significant market opportunity and drive the company's next stage of growth."

The deal comes amid heightened investor focus on the enterprise software sector, which has witnessed a flurry of M&A activity as firms seek to bolster their digital transformation capabilities. Recent transactions include Thoma Bravo's $12.3 billion acquisition of Anaplan and Broadcom's $61 billion purchase of VMware.

Analysts say the Interact transaction reflects the premium valuations currently commanded by cloud-based software businesses that demonstrate strong revenue growth, high customer retention, and compelling unit economics.

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The sale of Interact Software by Perwyn to Castik Capital underscores the continued strong investor appetite for enterprise software businesses that have benefited from the shift to remote and hybrid work models during the pandemic. However, the reported $12.3 million loss for Perwyn on this investment highlights the challenges private equity firms can face in realizing returns, even in a favorable market environment.

Perwyn's Investment in Interact Software

Investment in 2018 50
Sale Price to Castik 37.7
Loss on Investment 12.3

Enterprise Software M&A Activity

2020 58.2
2021 79.4
2022 68.1
2023 YTD 12.3

Perwyn's Portfolio Allocation

Enterprise Software – 25% Healthcare – 30% Business Services – 20% Consumer Goods – 25%
Research Brief
Dec 2, 2025 | Senna Analysis

Market Context

The sale of Interact Software by private equity firm Perwyn to Castik Capital reflects ongoing consolidation in the cloud-based employee experience software market. This transaction highlights the strategic value of cloud-based HR tech solutions as organizations adapt to hybrid work models.

Key Takeaways

1 The deal underscores the continued appetite among private equity firms for software-as-a-service (SaaS) businesses that enable the digital transformation of HR and employee engagement.
2 Perwyn's reported $12.3 million loss on the sale suggests the firm may have struggled to drive the anticipated growth and synergies from its prior acquisition of Interact Software.
3 The acquisition by Castik Capital presents an opportunity for the firm to leverage Interact Software's capabilities and client base to expand its presence in the HR tech space.

What to Watch

The transaction signals ongoing M&A activity in the HR technology sector as private equity firms and strategic buyers seek to consolidate leading cloud-based platforms that enhance the employee experience.

Follow-on activity
Competitive response
Integration progress

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