- Quad-C Management invested in St. Louis-based O6 Environmental, an environmental services platform spanning remediation, industrial cleaning, liquid waste processing, disposal and emergency response.
- Quad-C plans to fund O6’s geographic expansion, service-line growth, and potential add-on acquisitions, though terms were not disclosed.
- O6, founded in 2014, targets recurring, small-to-mid-sized projects across utilities, industrial, government, energy infrastructure and construction to support predictable revenue.
- The deal aligns with sector tailwinds from PFAS and other cleanup regulations, rising public funding, and accelerating M&A in environmental services.
Read More
From the available information, Quad-C appears focused on scaling O6 Environmental via expansion of both geographic footprint and service lines. Given O6 already covers a broad suite of environmental services—including emergency response and waste processing—and operates across several high-growth end markets, the opportunity lies in deepening specialization (e.g. PFAS remediation), leveraging recurring revenue from government contracts, and pursuing add-on acquisitions or infrastructure investments to build capacity.
PE investment in environmental remediation is being supported by regulatory changes—especially PFAS regulation and Superfund-related liabilities—which are creating non-discretionary demand and stable cash flows for providers. O6’s model, which focuses on smaller and mid-sized projects with recurring clients, aligns well with what acquirers value in this sector: predictability, permitted operations, technical capabilities, and geographic reach. Quad-C’s history investing in industrial and services platforms suggests likely emphasis on operational improvements and consolidation strategy.
However, risks include cost inflation (labor, regulatory compliance), regulatory uncertainty between states and at the federal level, backlash or delays in funding programs, and competition from larger remediation firms and public strategics with deep capital resources. The pace of technological change—e.g. adoption of new remediation methods, AI/digital monitoring, green remediation techniques—requires investment and may widen gaps between leaders and laggards.
Strategically, this investment places Quad-C well within the growing mainstream of PE firms targeting environmental services at scale. There may be attractive exit opportunities in 5-7 years given strong M&A interest in sector specialists, especially those with PFAS or hazardous waste capabilities. Public listings, sale to strategic industry players, or sale to infrastructure funds are plausible paths. Employee culture, safety record, permitting status, and track record on hazardous or complex cleanup work will be critical value drivers.
Open questions include: What is O6’s current revenue, EBITDA, and margin profile? How capable is its existing technical infrastructure, and what is its exposure to federal vs state work? What is its competitive positioning on PFAS remediation? What is the management team turnover risk? And how will Quad-C deploy capital—through organic build, joint ventures, add-ons, or technology investment?
Supporting Notes
- Quad-C invested in O6 Environmental, a provider of environmental services including remediation, industrial cleaning, liquid waste processing, waste disposal and emergency response services.
- O6 Environmental is headquartered in St. Louis, Missouri, and serves utilities, manufacturing & industrial, government, energy infrastructure, and construction end markets.
- O6 was founded in 2014 and emphasizes non-discretionary services, recurring remediation opportunities and small/mid-sized projects to enhance revenue predictability and margins.
- Deal terms were not disclosed; Harris Williams and Piper Sandler acted as financial advisors to O6 Environmental and Quad-C respectively.
- Quad-C has invested over $4.5 billion in its history across 86 platform companies and over 390 add-on acquisitions, focusing on services and industrials.
- The global environmental remediation market is projected to grow from USD 141.87 billion in 2025 to USD 210.56 billion by 2030, at a CAGR of ~8.2 %.
- Recent market analysis shows growing M&A activity, regulatory pressure particularly related to PFAS and water quality, and strong demand for full-lifecycle environmental services providers.