
o15 Capital Partners brings deep industry expertise, extensive transactional insight, creative structuring capabilities, and flexible capital to support growing businesses in healthcare, education, business services, and technology across the lower middle market.
Partnership That Drives Growth
As a value-added partner, we work closely with our portfolio companies to provide the resources, strategic input, and long-term support needed to build resilient, high-performing businesses.
Active Portfolio Companies
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Behavioral Health Group is a leading opioid use disorder addiction treatment provider in the U.S., delivering evidence-based treatment and strong clinical outcomes at scale to a chronic and clinically complex patient population across a broad network of recovery centers. The company is based in Dallas, TX with 116 locations across 22 states primarily serving Medicaid patients. Behavioral Health Group has over 1,350 clinicians serving over 74,000 unique patients.
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Echo360’s interactive video learning management, content, engagement, and assessment platform serves over 2 million learners and instructors at more than 1200 higher education institutions worldwide.
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ERS specializes in designing, installing, and servicing custom equipment and systems focusing on scrap metal recycling as well as pneumatic scrap handling and dust collection systems for the paper and paper converting industries.
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Lone Peak Dental Group is a pediatric-focused Dental Partnership Organization (DPO) with over 75 locations across 15 states. The group emphasizes community-based care—particularly in underserved areas where access to dental services is limited. Unlike traditional DSOs, Lone Peak operates on an owner-doctor model, fostering true equity participation at the local level.
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Monetate is a leading provider of client-side, AI-driven personalization and optimization tools for enterprise marketing teams. Following its acquisition of SiteSpect, a server-side A/B testing platform with strong adoption in regulated industries, the company now delivers low-latency, full-stack experimentation and engagement solutions. Monetate serves over 300 enterprise customers across retail, healthcare, and financial services and is headquartered in Dallas, Texas.
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National Endovascular specializes minimally invasive procedures to address vascular, vein, fibroid, and other diseases in an outpatient, office-based setting. Their team of Interventional Radiologists has over 50+ years of experience in treating common conditions such as uterine fibroids, peripheral vascular disease, and varicose veins.
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Simplify Compliance was formed by Leeds Equity to provide must-have information and training solutions to professionals in regulated and operationally complex industries. Today, the Company operates three business units delivering digital compliance content, subscription-based analytics, and executive learning to enterprise customers in healthcare, human capital, and infrastructure sectors. The company is based in Brentwood, Tennessee.