Pre-Acquisition EHS Due Diligence: The Safety Liabilities That Transfer at Closing

Environmental health and safety liability is one of the categories most consistently underweighted in acquisition due diligence, until it surfaces as a problem post-close. By then, the price is fixed, the indemnification provisions are set, and the buyer owns whatever the target left behind.

Pre-acquisition EHS due diligence changes that calculus. It creates a documented picture of EHS liability before closing, while there is still time to negotiate on it.

What Transfers at Closing

A change of ownership does not reset a company's EHS record. Buyers inherit:

Open OSHA citations and contested violations. If the target company received an OSHA citation that is still under contest at closing, the obligation transfers. The buyer steps into the company's position in the enforcement proceeding. Unresolved citations that were not disclosed, or not discovered in diligence, have produced post-close surprises that required immediate remediation expenditures and, in some cases, required the buyer to accept OSHA settlement terms they had no part in negotiating.

Experience Modification Rate history. The EMR is calculated on a three-year rolling average of the company's workers' compensation claims history. Acquiring a company with a high EMR means inheriting that rate, and its consequences, for the duration of the lookback window. A high EMR increases workers' comp premiums, disqualifies bids for projects with EMR thresholds (most major commercial and institutional GCs set a maximum of 1.0), and signals to project owners that the workforce safety record is above average risk. In construction, this is a material business issue, not a footnote.

Recordable incident and injury history. OSHA 300 logs document every recordable injury and illness for the past five years. A pattern of recordables in a specific operation or a specific crew is a leading indicator of program gaps that will continue to generate incidents after closing unless they are specifically addressed. The logs also set the baseline for any OSHA enforcement calculation if an incident occurs after closing.

Undertrained workforces. Required OSHA training, 10-hour and 30-hour outreach, competent person certifications, silica, confined space, LOTO, hazard communication, has specific documentation requirements. Training that was never conducted or never documented creates exposure. A buyer who acquires a company with undocumented training inherits that gap along with the workforce.

Regulatory history and pending actions. Prior OSHA inspections, citation histories, and any scheduled or anticipated enforcement actions are part of the EHS profile. A company that has been on OSHA's programmed inspection list, or that has received a referral from a worker complaint, carries that status through a change of ownership.

What the Assessment Covers

A pre-acquisition EHS assessment is not a desktop review. It begins with the documents and culminates in an on-site inspection, because conditions on the ground routinely diverge from what the paperwork shows.

Document review covers the written safety programs, OSHA 300/300A/301 records for the prior five years, workers' compensation claims history, EMR worksheets, training records, and any OSHA citation or inspection history accessible through OSHA's online database. We review what's documented, but equally important is what isn't documented that should be.

On-site inspection is conducted against the applicable OSHA standards, 29 CFR 1926 for construction operations, 29 CFR 1910 for manufacturing, warehouse, and general industry, or both for companies that operate across both regulatory frameworks. The inspection identifies current compliance gaps, hazardous conditions, and program deficiencies that are not visible in the paperwork. Photographs and standard citations document each finding.

Training record verification confirms that the workforce holds the certifications and has completed the training the operation requires. This includes OSHA outreach training records, competent person designations, and any specialized certifications relevant to the industry (crane operator certifications, confined space entry training, hazmat handler training, DOT compliance where applicable).

Regulatory status review checks OSHA's public inspection database for the target company's citation history, identifies any open enforcement actions, and assesses whether the company's operations are likely to draw programmed inspection attention based on the industry and NAICS code.

For multi-site transactions, we coordinate parallel assessments across locations and consolidate findings into a single report that gives deal teams a unified view of aggregate EHS liability across the portfolio.

The Written Report

The deliverable is a written due diligence report, not a verbal summary. The report includes:

• Findings by category: fall protection, excavation, scaffolding, electrical, LOTO, process safety, respiratory protection, emergency response, and any industry-specific hazards
• Risk ratings: immediate, significant, or manageable, with a plain-language rationale for each
• Remediation cost estimates: order-of-magnitude estimates for bringing identified deficiencies into compliance, structured to support negotiation or integration planning
• OSHA citation exposure: an assessment of which current conditions, if observed during an OSHA compliance inspection, would likely generate citations and at what penalty level
• EMR and workers' comp analysis: a plain-language interpretation of the claims history and its trajectory
• Executive summary: a one-to-two page summary suitable for deal team, legal counsel, lender, or board review, written for readers who are not EHS specialists

The report is signed by a credentialed safety professional and can be provided to transaction counsel, lenders requiring independent EHS verification as a financing condition, or the deal team directly.

How Deal Teams Use the Findings

The primary use is negotiation. An EHS due diligence report converts a qualitative concern, "this company's safety record looks rough", into a quantified remediation cost that supports a price adjustment, an escrow holdback, or a representation and warranty provision covering EHS liabilities identified in diligence.

The secondary use is integration planning. If the acquisition proceeds, the report becomes the baseline for the post-close safety program build. The gaps are already documented, the priorities are already ranked, and the remediation cost estimates are already in the deal model. Integration starts with a clear picture instead of a discovery process.

Compressed Timelines

M&A diligence windows are not generous, and EHS is rarely the longest pole in the tent. We structure our assessment process to work within compressed timelines: on-site visits scheduled within days of engagement, written report delivered within one week of the site visit. For transactions with tight exclusivity windows or letter-of-intent deadlines, we can scope the assessment to prioritize the highest-risk areas first.

Selling-Side Diligence

Buyers are not the only party with an interest in understanding EHS liability before closing. Sellers who conduct an independent EHS assessment before going to market, or before accepting an LOI, can identify and remediate issues in advance. A clean or improving EHS profile supports deal value; an EHS report surfaced by a buyer's diligence team during exclusivity opens a renegotiation the seller did not plan for. Sellers who understand their own EHS position arrive at the table with an answer, not a surprise.

Who Engages Pre-Acquisition EHS Diligence

The typical engagement comes from one of four directions:

• Private equity firms evaluating a platform acquisition or add-on where OSHA compliance, EMR, and workforce safety practices are material to the investment thesis
• Strategic acquirers in construction, manufacturing, industrial services, or any sector where workforce safety performance directly affects bidding eligibility, insurance costs, and regulatory exposure
• Lenders and insurers requiring an independent EHS assessment as a condition of financing or coverage
• Transaction attorneys and advisors who need a credentialed third-party report to support representations, warranties, or indemnification provisions

Greenberg Safety conducts pre-acquisition EHS assessments for buyers, sellers, and lenders across Texas and nationwide. Engagements include on-site inspection, five-year OSHA 300 log analysis, EMR and workers' comp review, training verification, and a written report with findings, risk ratings, and remediation cost estimates. Call (512) 585-7070 or schedule a consultation to discuss your transaction timeline.