Clean Harbors closes $775 million EnviroServe and ES&H deals, issues $600 million notes
Clean Harbors completed its acquisitions of EnviroServe and ES&H for a combined purchase price of $775 million, funded through available cash and a $600 million senior notes offering. The company said the two businesses are expected to generate combined annual revenues of about $340 million and post-synergy Adjusted EBITDA of about $87 million, a multiple of 8.9 times Adjusted EBITDA.
Key points
- Clean Harbors issued $600.0 million of 6.250% senior notes due September 30, 2034, on October 1, 2026
- $470 million of the note proceeds financed the EnviroServe purchase; the remainder is to repay revolver borrowings used for ES&H
- ES&H acquisition closed September 18, 2026; EnviroServe acquisition closed October 2, 2026
- Combined expected annual revenue of about $340 million and post-synergy Adjusted EBITDA of about $87 million
The filing
Written by AI on Nov 8, 2026, 1:11 AM ET, from this filing only. Written later: this filing was briefed after the fact, when past filings were added to the site, so the brief may be read with hindsight; the filing itself is the record of what was known on October 05, 2026.
Briefs are written by AI from the filing text and can contain mistakes — open the filing before acting on anything. Impact (1-5) and tone are the AI's reading of the filing for shareholders, not a price forecast. Not investment advice.