Designated Investigation Agency | Thoroughly block environmental liabilities in M&A before contracts and supplement the explanatory materials.

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Geographical and historical survey

last updated：Sep 07, 2026

ジオテック

Prevent environmental liabilities in real estate M&A before they occur! Optimize the transaction price through detailed historical investigations before the contract, and thoroughly prevent customer troubles after the handover.

In corporate M&A and large-scale real estate transactions, potential soil contamination at the target site can later become a massive environmental liability, posing a significant management risk that can lead to catastrophic losses for the purchasing company and its post-merger operations. To prevent both sellers and buyers from becoming embroiled in long-term damage claims or futile legal disputes after the sale or acquisition, it is essential to conduct advanced due diligence at the timing of contract execution. This explanatory document details the strategic use of "pre-contract historical investigations" that real estate brokerage firms can employ to properly manage environmental risks and lead reliable transaction promotion. GeoTech, a designated investigation agency under the Soil Contamination Countermeasures Act, enables the calculation of appropriate sale prices that take into account future remediation costs by meticulously analyzing past operational histories and public notification materials, thereby strongly supplementing the reliability of important matter explanations. Furthermore, it covers the construction of legal evidence through voluntary sampling investigations concerning contamination concerns and how to incorporate warranty clauses, making it a practical resource for protecting the social credibility of brokerage firms.

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basic information

This service is an advanced historical investigation and voluntary soil contamination survey for real estate M&A and large-scale land transactions, provided by GeoTech Co., Ltd., a designated investigation agency under the Soil Contamination Countermeasures Act. We comprehensively track and analyze the past operational history, public notification documents, and the usage and storage status of hazardous substances at the target site, and prepare a report that precisely evaluates the potential environmental liability risks. Additionally, if contamination risks are identified, we promptly conduct Phase 2 sampling surveys in accordance with official methods to accurately determine the horizontal extent and depth of contamination and establish numerical data. We provide reliable evidence that complements important explanatory matters, strongly supporting the optimization of sale prices and the prevention of customer disputes.

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Applications/Examples of results

In corporate M&A, business succession, and real estate transactions involving factory sites and large commercial properties, it is utilized as supplementary material for environmental due diligence and important matter explanations prior to contract signing. For sellers, it is proposed as a risk management tool to mitigate the risks of post-sale damages and long-term disputes, while for buyers, it serves as a means to prevent the assumption of unforeseen environmental liabilities. Additionally, it is used to incorporate specific warranty clauses based on clear numerical data and as neutral evidence in negotiations for price reductions, widely utilized with the aim of promoting secure transactions while maintaining the social credibility of brokerage firms.