Filing Flows › Clean Harbors (CLH) › Q3 2025
Clean Harbors (CLH) Q3 2025 earnings results (third quarter 2025)
10-Q filed Oct 29, 2025
Clean Harbors (CLH) reported revenue of $1.5B for the third quarter 2025 (Q3 2025), +1% from a year earlier and 0% from the quarter before. Operating margin was 12.5%, net earnings $119M (7.7% of revenue).
Clean Harbors, Q3 2025: revenue $1.5B (+1% year over year), operating margin 12.5%, net earnings $119M, operating cash flow $302M. The chart follows the revenue to costs, profit and cash.
| Q3 2025 | Amount | Q/Q | Y/Y |
|---|---|---|---|
| Revenue | $1.5B | 0% | +1% |
| Operating profit | $193M | -8% | +0.4% |
| Net earnings | $119M | -6% | +3% |
| Operating cash flow | $302M | +45% | +26% |
| Free cash flow | $231M | — | +60% |
What changed
Revenue was $1.5B in Q3 2025, up 1% year over year and roughly flat from the previous quarter. Technical Services was the largest line at 32% of revenue. Technical Services added $0.05B year over year (up 12%), 269% of the total change. Safety-Kleen Oil declined 15%.
Operating profit was $0.19B, a 12.5% margin (down 0.1 points year over year). Of the extra revenue versus a year earlier, 4% reached operating profit, below the 13% margin then. Total costs grew 1% against revenue growth of 1%. The fastest-growing cost line was Other operating costs (+14%). Net earnings were $0.12B, up 3% year over year. The effective tax rate was 26.1%.
Operating cash flow was $0.30B (up 26% year over year), 254% of net earnings. Non-cash charges added back $0.11B of depreciation and amortization and $0.01B of share-based compensation. Working capital and other items added $0.06B. After itions to property, plant and equipment, net ($0.07B), adjusted free cash flow as the company reports it was $0.23B.
Questions
What was Clean Harbors' revenue in the third quarter 2025?
Clean Harbors (CLH) reported revenue of $1.5B for the third quarter 2025 (Q3 2025), +1% from a year earlier and 0% from the quarter before.
Was Clean Harbors profitable in the third quarter 2025?
Operating profit was $193M (12.5% of revenue) and net earnings $119M.
Source: Clean Harbors 10-Q on SEC EDGAR.