Japan Fair Trade Commission Penalizes 42 Companies Over Apartment Repair Bid-Rigging

The Japan Fair Trade Commission (JFTC) has taken significant action against a group of companies involved in bid-rigging for large-scale apartment repair projects. On September 28, 2026, the commission announced that 42 companies had violated the Antimonopoly Act by engaging in unfair trade practices. This marks the first time the JFTC has issued administrative penalties specifically regarding large-scale repair work for residential buildings. The investigation focused on projects across the Kanto region, covering one metropolis and six prefectures. At the center of the scheme were two design consulting firms: Rinosys Corporation, based in Osaka, and Sho-Sekkei, located in Tokyo's Shibuya Ward. These firms are accused of leading the coordination between various construction companies to manipulate the bidding process. By controlling the selection of contractors, these companies allegedly ensured that specific firms won contracts, which often resulted in higher costs for the apartment management associations involved. The JFTC identified 171 specific apartment complexes where these rigged bids took place. Following the investigation, the JFTC issued exclusion orders to 38 of the involved companies, requiring them to take steps to prevent future violations. Additionally, the commission ordered 37 of the construction firms to pay a total of approximately 1.64 billion yen in surcharges. Some companies were exempted from these fines due to their cooperation with the commission under the leniency program, which encourages businesses to report illegal activities voluntarily. The two consulting firms were not subject to the surcharge because they did not directly receive the construction contracts themselves. Reports indicate that the coordination between the consulting firms and the construction companies may have inflated repair costs significantly. Some industry observers have suggested that these practices could have driven prices up by as much as 40 percent above market rates. For the residents living in these buildings, this means that the funds collected for building maintenance were potentially used inefficiently. The JFTC has mandated that the companies involved notify the affected management associations that the illegal bid-rigging has ceased. This case has drawn attention to the vulnerabilities within the apartment repair industry, where management associations often rely heavily on the expertise of design consultants. Because these consultants are responsible for overseeing the bidding process, their involvement in a scheme can make it difficult for residents to detect price manipulation. The public disclosure of the 171 affected apartment names is intended to help residents understand the situation and take necessary steps to protect their assets. Many experts are now calling for greater transparency and independent oversight in how these major repair projects are managed. The impact of this investigation has extended beyond the Kanto region. There have been reports of similar concerns in other parts of Japan, including the Tokai region, where the JFTC has conducted inspections of over 20 companies. As the industry faces increased scrutiny, there is a growing conversation about the need for self-regulation and stricter ethical standards among construction and consulting firms. The JFTC's actions serve as a warning that such practices will be met with firm legal consequences. For the residents of the affected buildings, the path forward involves reviewing their past repair contracts and ensuring that future projects are handled with proper oversight. Management associations are encouraged to seek independent advice to verify that project costs are fair and competitive. The JFTC has emphasized that the goal of its orders is to restore fair competition and protect the interests of consumers. By making the details of this case public, the commission hopes to empower residents to hold their contractors accountable. This incident highlights the importance of the Antimonopoly Act in maintaining a healthy and fair marketplace. When companies collude to fix prices, it undermines the trust that property owners place in professional service providers. The JFTC remains committed to investigating similar allegations to ensure that the construction industry operates within the bounds of the law. As the investigation concludes, the focus shifts to how the industry will adapt to these new regulatory pressures. Moving forward, the JFTC expects all companies involved to comply fully with the exclusion orders and to implement robust internal controls. The commission has made it clear that it will continue to monitor the sector for any signs of recurring illegal behavior. For the many apartment residents across Japan, this case serves as a reminder to remain vigilant regarding the management of their shared properties. Transparency and active participation by residents are seen as the best defenses against future misconduct.