Where Experience Meets Opportunity
A boutique private equity firm created by a group of experienced private equity and management executives to invest in lower middle market companies with untapped potential
Firm Overview
Nonantum Capital Partners is a private equity firm led by a group of experienced private equity and management executives, formed in 2018 as a spin-out from Charlesbank Capital Partners.
The firm invests in family- and founder-owned businesses, corporate carve-outs, and complex situations where personal partnership is critical and opportunities exist for significant equity value creation.
The team brings decades of experience partnering with founders, families, and management teams to build businesses of enduring value.
Fund II
$575M
Target Equity Check
$25M – $100M
Typical Enterprise Value
$50M-$500M
Where Experience Meets Opportunity
Where Experience Meets Opportunity
Latest News
Nonantum Capital Partners Announces Growth Partnership with Flatiron Search Partners, a Consumer-Focused Search Firm
- On January 14, 2026
Nonantum Capital Partners (“Nonantum”), a middle-market private equity firm, today announced a growth partnership with Flatiron Search Partners (“Flatiron”), an e
Nonantum Capital Partners Named to Inc.’s 2025 List of Founder-Friendly Investors for Third Consecutive Year
- On November 12, 2025
Nonantum Capital Partners ("Nonantum") announced today that the firm has been named to Inc.'s 2025 Founder-Friendly Investors List for the third consecutive year. The..
Nonantum Capital Partners Acquires MSI Express, a Leading Co-Manufacturing and Co-Packaging Services Company
- On March 26, 2025
Private Equity Firm Seeks to Support Continued Growth and Expansion Boston, MA (March 26, 2025) — Nonantum Capital Partners (“Nonantum”), a middle-market...