Clean Harbors To Buy EnviroServe For $470 Mln In Cash
Clean Harbors (CLH) said it will buy EnviroServe, a national environmental and waste services provider, from an affiliate of One Rock Capital Partners for $470 million in cash. The company expects about $25 million in cost synergies over two years and funding via cash plus additional debt. Closing is expected in 2H 2026. CLH was down 1.26% premarket at $307.53.
How this was made
The 30-second read
Why it matters
Traders can update CLH’s deal-implied valuation, synergy credibility, and financing risk profile based on the disclosed $470 million cash consideration, $25 million two-year synergy target, and expected 2H 2026 close.
Market read
A disclosed, cash-funded M&A transaction with quantified synergies and a stated closing window is a fresh catalyst for CLH.
What to watch
The article does not detail purchase price allocation, integration costs, or any regulatory/antitrust review timeline, which can materially affect deal timing and economics.
Background
Clean Harbors is expanding its technical, field, disposal, and recycling capabilities via the acquisition of EnviroServe.
Ticker impact
Clean Harbors announced a $470 million cash acquisition of EnviroServe, targeting cost synergies of about $25 million over two years.
Likely supportive for CLH on deal headlines, but volatility expected around financing terms and closing timeline into 2H 2026.
The article discloses deal size, cash funding plus additional debt, synergy estimate, and expected close window, which are actionable inputs for valuation and risk modeling.
Market effects
Could modestly reinforce consolidation expectations in environmental and waste management services, with potential competitive pressure on similarly sized regional operators.
No specific regional demand or regulatory trigger is cited; impact is primarily company-specific.
Limited global relevance; the transaction is framed as US-focused services and assets.
Counterpoint
Synergy claims may be optimistic, and the added debt could pressure credit metrics before benefits materialize.
Key entities
- public_companyClean Harbors, Inc.
Acquirer planning to buy EnviroServe for $470 million in cash.
- companyEnviroServe
National environmental and waste management services provider being acquired.
- private_firmOne Rock Capital Partners, LLC
Seller affiliate referenced as the current owner of EnviroServe.
