Designated Investigation Agency | Pre-contractual Background Investigation to Prevent Customer Troubles

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Geographical and historical survey

last updated：Sep 07, 2026

ジオテック

Eliminate defects and troubles in land transactions before they occur! A strategic historical investigation to strongly supplement the important explanations and enhance the social credibility of the brokerage company.

In land sale contracts, the discovery of soil contamination after the transaction poses a serious risk that can lead to significant legal and financial troubles. Particularly, "hidden defects" that even the seller is unaware of can result in major complaints from clients and a loss of social credibility for real estate brokerage companies. This explanatory document clearly summarizes the strategic utilization of "historical land investigations before contracts" to maximize the safety of land transactions and prevent customer disputes. By meticulously examining past land usage and public documents, Geotech, as a reliable designated investigation agency, can completely visualize the invisible risks of the ground and strongly supplement the reliability of important disclosures. In the event that contamination concerns are identified, conducting voluntary sampling investigations will establish accurate numerical data as evidence, facilitating negotiations to include specific defect liability clauses in the sales contract. This is an essential practical guide for brokerage companies to thoroughly manage risks and ensure safe and reliable transactions.

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basic information

GeoTech Co., Ltd., a designated investigation agency, offers high-precision historical land surveys and voluntary soil contamination investigation services to preemptively eliminate hidden defects in land transactions. We comprehensively collect and analyze multilayered data such as past public notification documents, old maps, aerial photographs, and land use history to prepare highly reliable risk assessment reports. If there are concerns about contamination, we conduct rapid sampling investigations in accordance with public standards, establishing the conditions underground as clear numerical data evidence. We provide optimal practical solutions to strongly supplement the important matters explanation by intermediary companies, ensuring accountability and social trust.

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Applications/Examples of results

It will be used as supplementary material for the explanation of important matters before the conclusion of sales contracts for land, commercial properties, and former factory sites in real estate brokerage practices. For sellers, it serves as risk management to prevent massive damage claims and prolonged legal disputes after the sale, while for buyers, it is proposed as a means to identify potential underground risks before the contract and safely acquire assets. It can be utilized as objective, irrefutable evidence in the conclusion of specific defect liability clauses based on numerical data and in price burden negotiations, and is widely applicable to ensure smooth land transactions and prevent customer disputes.