---
title: "Clean Harbors to acquire EnviroServe for $470M, expects $25M synergies and ~9x post-synergy EBITDA"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/295691487.md"
description: "Clean Harbors has agreed to acquire EnviroServe for $470 million in cash, with the deal expected to close in H2 2026. The acquisition adds ~$250M in revenue and ~85 locations to Clean Harbors' portfolio. Management anticipates ~$25M in cost synergies over two years, targeting a ~9x post-synergy EBITDA multiple. The transaction will be funded via cash and debt, with expected earnings accretion."
datetime: "2026-08-12T16:33:01.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/295691487.md)
  - [en](https://longbridge.com/en/news/295691487.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/295691487.md)
generator: "portal-rs"
---

# Clean Harbors to acquire EnviroServe for $470M, expects $25M synergies and ~9x post-synergy EBITDA

**Clean Harbors agreed to acquire EnviroServe for $470 million in cash and expects meaningful cost synergies and accretion.**

**Key Highlights:**

-   Definitive agreement to buy EnviroServe for $470 million in cash; deal expected to close in H2 2026 subject to approvals.
-   EnviroServe generates ~ $27M Adjusted EBITDA on ~$250M revenue and has ~85% recurring revenue.
-   Clean Harbors expects ~$25M in cost synergies over two years, implying ~9x post-synergy adjusted EBITDA multiple.
-   EnviroServe adds 40 locations, permits in 48 states, 10-day transfer facilities, railcar cleaning sites and ~700 employees.
-   Transaction to be funded with cash and additional debt; management anticipates accretion to earnings and cash flow post-synergies.

Original SEC Filing: CLEAN HARBORS INC \[ CLH \] - 8-K - Aug. 12, 2026

**Disclaimer**

This is an AI-powered summary. It may contain inaccuracies. Consider verifying important information with the source. Please note this summary is solely based on documents filed with the SEC.

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> **Disclaimer: This article is for reference only and does not constitute any investment advice.**