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Prosperity Partners Enters Vermont Market with Acquisition of Danaher Attig & Plante
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Subscribe05 JUN 2025 / M&A UPDATES
Chicago-based accounting firm, Prosperity Partners, backed by private equity firm Unity Partners LP, is acquiring South Burlington-based firm Danaher Attig & Plante (DAP) to expand into Vermont. This strategic move enhances Prosperity's national growth and platform development, with all DAP staff joining the firm's Employee Purpose Plan, underpinning an integrated, people-first culture aimed at sustained value creation.
Prosperity Partners, a Chicago-based accounting and advisory firm backed by private equity firm Unity Partners LP, has announced its expansion into Vermont through the acquisition of South Burlington-based firm Danaher Attig & Plante (DAP). The transaction marks a strategic step in Prosperity’s continued national growth and platform development.
Jeremy Dubow, CEO and co-founder of Prosperity, welcomed the addition of DAP to the firm, highlighting the team’s two-decade track record of delivering high-quality tax services. He noted the alignment in service offerings and values as key strengths of the integration and praised DAP partners Cathy Attig and Matt Plante for their longstanding reputation in the Vermont market.
All DAP employees will join Prosperity’s Employee Purpose Plan, an equity-based ownership program designed to share the firm’s success with qualifying team members. The initiative reflects Unity Partners’ investment philosophy and Prosperity’s people-first culture, which prioritizes employee engagement and long-term value creation.
Cathy Attig, partner at DAP, emphasized that Prosperity’s commitment to growth, system integration, and employee development made it the right fit both culturally and strategically. She affirmed that clients will continue to receive the same high level of tax and advisory service under the Prosperity platform.
Peter Cozzi, team lead at Unity Partners, expressed enthusiasm for the partnership and cited strong alignment between the firms’ missions. He noted that the acquisition supports Prosperity’s ambition to provide exceptional client service through a unified and scalable national platform.
The addition of DAP further enhances Prosperity’s regional presence and underscores its commitment to building an integrated, employee-driven firm capable of delivering value to clients and professionals alike.
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