Clean Harbors, Inc. CLH
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The news check keeps the assessment current.
General analysis — not personal advice.
A full position may be justified at current valuation given the growth outlook.
Strong Q3 results with raised guidance, record margins and completed acquisitions support the add signal.
The market reacts positively to the strong report, raised guidance and new contracts. Focus is on margin expansion and growth initiatives.
BUY is the call. Positive is the market mood. Low risk means less can go wrong.
Latest change
- 30 Oct 2026 — Report on 28 October showed strong growth driven by acquisitions and PFAS demand.
About the company
Clean Harbors is North America's leading provider of environmental services focused on hazardous waste handling, industrial remediation and used oil recycling through Safety-Kleen. The company operates the largest network of incineration facilities in the region and offers PFAS treatment and emergency response services.
Bull case
Record margins, raised guidance and growth in PFAS and data-center work provide continued momentum.
Bear case
One-off emergency response revenue will not recur and base-oil prices may normalize.
Why this signal
Strong Q3 results with raised guidance, record margins and completed acquisitions support the add signal.
Recent news
The Q3 report released on 28 October 2026 showed revenue of 1.87 billion USD (+21 % YoY), net income of 208.1 million USD (+75 %) and adjusted EBITDA of 456.1 million USD with a record margin of 24.4 %. The company raised full-year guidance for adjusted EBITDA to 1.44–1.48 billion USD and adjusted free cash flow to 600–660 million USD. Acquisitions of EnviroServe and ES&H were completed in October and Eric Gerstenberg becomes sole CEO from 1 January 2027.