Madison Dearborn Partners Invests in Stephano Slack LLC
June 10, 2026
Stephano Slack, an accounting and advisory firm based in Wayne, Pennsylvania, secured a strategic growth investment from funds managed by Madison Dearborn Partners (MDP), with co-investor Norlantic Capital participating. The capital is intended to accelerate expansion, enhance service capabilities, invest in talent and technology, and broaden geographic reach. Jim Brady will join as Executive Chairman following the close, and the firm will operate under an alternative practice structure for attest and non-attest services.
- Buyers
- Madison Dearborn Partners, Norlantic Capital
- Targets
- Stephano Slack LLC
- Industry
- Professional Services
- Location
- Pennsylvania, United States
- Transaction Type
- Growth capital
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