Obayashi Corporation has announced plans to acquire UK-based construction company Multiplex Inc. in a deal valued at approximately $526 million, strengthening its international presence across key global markets.
Under the agreement, the Japanese construction giant will purchase all shares of Multiplex Global from Brookfield through the acquisition of BCI UK Holdings. Separate corporate disclosures place the transaction value at roughly $540 million. The deal is expected to close in September 2026, subject to customary conditions and approvals.
Once completed, Multiplex will become a wholly owned subsidiary of Obayashi Corporation. The acquisition aligns with Obayashi’s long-term growth strategy and is designed to expand its construction business in major international markets, including Australia, the United Kingdom, and Canada.
Multiplex is recognized for its involvement in large-scale commercial and infrastructure projects, making it a strategic addition to Obayashi’s global portfolio. By integrating Multiplex’s expertise and regional footprint, Obayashi aims to enhance its competitive position and increase opportunities for future project development in these regions.
The acquisition highlights the continued trend of consolidation within the global construction industry as companies seek broader geographic reach and increased operational capabilities. The move is expected to strengthen Obayashi’s ability to pursue large construction contracts and expand its presence in mature international markets.
Obayashi stated that the financial impact of the acquisition on its consolidated earnings for the fiscal year ending March 2027 is still being evaluated. The company noted that a detailed assessment remains underway and that any material developments will be disclosed as appropriate.
The planned purchase marks a significant milestone for Obayashi Corporation as it seeks to accelerate overseas growth through strategic acquisitions while reinforcing its position as one of Japan’s leading construction and engineering firms.


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