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 operational performance, raised guidance and new contracts including the EnviroServe acquisition support the add signal despite proximity to the yearly high.
The market reacts positively to the strong report, raised forecasts and new contracts. Focus is on margin development and growth initiatives.
BUY is the call. Positive is the market mood. Low risk means less can go wrong.
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
Strong Q2 report with record margins, raised full-year guidance and new acquisitions provide momentum into coming quarters.
Bear case
High leverage and cyclical exposure to industrial activity may limit growth in a macro slowdown.
Sensitivity analysis
| Factor | If it weakens | If it strengthens |
|---|---|---|
| PFAS regulations | Weaker regulation → lower demand for remediation services and slower volume growth. | Stricter regulation → higher demand for destruction services and accelerated growth. |
| Base oil prices | Lower prices → margin pressure in the Safety-Kleen segment and reduced profitability. | Higher prices → improved margins and stronger contribution to group earnings. |
Why this signal
Strong operational performance, raised guidance and new contracts including the EnviroServe acquisition support the add signal despite proximity to the yearly high.
Recent news
The Q2 report on July 29, 2026 showed record revenue of 1.74 billion USD and raised EBITDA guidance. The company simultaneously announced a 600 MUSD contract and the ES&H acquisition for 305 MUSD. On August 12, 2026, an agreement was signed to acquire EnviroServe for 470 million USD in cash, expected to add approximately 250 million USD in annual revenue and 25 million USD in cost synergies.