Mountaingate Capital, a Denver-based middle market private equity firm, completed the investment in Acceleration Partners, a premier global partner marketing agency. Financial terms were not disclosed. "We are very excited to join Robert, President Matt Wool and the Acceleration Partners team on this journey. Acceleration Partners is a market leader in helping brands build and maintain proprietary networks in the complex partner marketing landscape. The company has a tremendous track record of revenue growth, a diverse client roster of blue-chip brands, a highly talented team and an award-winning culture. We couldn’t be more excited for what’s next for this company," Bennett Thompson, Mountaingate Managing Director.