Clean Harbors buys EnviroServe for $470M to widen US waste network
Clean Harbors agreed to buy EnviroServe for $470M in cash from an affiliate of One Rock Capital Partners. The deal should close in 2H 2026, pending regulatory approval. EnviroServe has ~2,500 customers, 40 locations, permits in 48 states, and is expected to earn about $27M adjusted EBITDA on ~$250M revenue. Clean Harbors expects $25M cost synergies over two years.
How this was made
The 30-second read
Why it matters
The $470M cash deal with quantified EBITDA contribution and $25M cost synergies creates a clear near-to-medium term trading catalyst, with deal certainty and regulatory approval as key swing factors.
Market read
This is a primary M&A disclosure with specific price, timing, and synergy math, making it actionable for deal-arb and financing-sensitive positioning.
What to watch
Financing structure and leverage impact are not detailed here; traders should watch for debt terms, covenant risk, and any antitrust or permitting hurdles that could extend timelines.
Background
Clean Harbors is an environmental and industrial services provider seeking to expand disposal, recycling, and field services capabilities through acquisitions.
Ticker impact
Clean Harbors agreed to buy EnviroServe for $470M cash, with close expected in 2H 2026 and regulatory approval required.
Near-term: deal-arb and sentiment bid on acquisition certainty. Medium-term: focus shifts to financing terms, regulatory path, and synergy realization.
The article discloses a specific purchase price, cash plus debt funding plan, expected close window, and quantified cost synergies and EBITDA multiple.
Market effects
Reinforces consolidation in US environmental and waste services, where permitted disposal capacity is scarce and hard to replicate.
Strengthens a national footprint across 48 states via 40 locations and permitted sites, potentially increasing regional service coverage.
Primarily North American, but can influence investor sentiment toward US industrial services M&A and waste infrastructure themes.
Counterpoint
Synergy and accretion claims may be optimistic; if regulatory approval or integration delays occur, the market may reprice the deal spread.
Key entities
- public_companyClean Harbors
Agreed to acquire EnviroServe for $470M cash, targeting close in 2H 2026 and funding via cash plus additional debt.
- public_companyEnviroServe
National environmental and waste management provider being acquired, with ~2,500 customers, 40 locations, and permits in 48 states.
- private_capitalOne Rock Capital Partners affiliate
Seller affiliate referenced as receiving the $470M cash consideration.
