Obayashi buys Multiplex
Obayashi to Acquire Multiplex for $526 Million, Targeting Major Global Construction Growth
Key Points
Obayashi said the transaction will be implemented through a structure that includes “a newly established Obayashi UK holding company,” alongside the acquisition of BCI UK Holdings (the parent of Multiplex Global).
In its announcement, Obayashi linked the move to an earlier strategic relationship with Multiplex—specifically noting the firms’ prior collaboration on the main stadium for the Sydney Olympic Games.
Obayashi described Multiplex as a “Tier 1” contractor in Australia and said it “maintains a substantial order backlog,” while highlighting capability in high-value-added sectors such as high-rises, hospitals, and data centers.
Separate reporting on the seller side said Brookfield was in advanced negotiations to sell Multiplex and valued the deal at about A$4.3 billion—framing it as part of Brookfield’s strategic portfolio review.
One article linked Obayashi’s planned integration approach to its recent M&A playbook—citing its October 2025 acquisition of U.S. construction management firm GCON Inc.—and added that Obayashi has a digital transformation effort involving a partnership with “Join Digital.”
Japan's Obayashi Corporation has agreed to buy Multiplex Global Limited from Brookfield for US$650 million, making the Australian builder a wholly owned subsidiary. The deal includes US$530 million in cash plus an earn-out tied to performance, according to Brookfield Business Corporation.
The acquisition is set to close on September 30, 2026. It gives Obayashi immediate Tier 1 status in Australia and the UK — without spending years trying to break in organically. Multiplex posted US$3.8 billion in sales in its last fiscal year and holds a "substantial" order backlog, Obayashi Corporation said in its official disclosure.
A Reunion Decades in the Making
This deal is not Obayashi's first meeting with Multiplex. The two firms built Stadium Australia together in the late 1990s — the main venue for the Sydney 2000 Olympics. That prior relationship gave Obayashi a deep understanding of Multiplex's culture and capabilities before writing a check.
Obayashi President Toshimi Sato framed the deal as central to the company's "Sustainable Growth Strategy" — a plan to make international business perform at least as well as its domestic Japanese operations. Australia, Sato said, is "one of the Group's most important markets." The UK and Canada are also key targets under the deal.
Brookfield Exits After Years of Heavy Losses
For Brookfield, the sale ends a painful ownership chapter. The Canadian investment giant bought Multiplex in 2007 for about A$7.3 billion. Nearly two decades later, it is selling the pure-play construction arm for US$650 million — a fraction of what it paid. Multiplex recorded a net after-tax loss of US$219.5 million in 2024.
Brookfield injected roughly US$500 million into Multiplex between 2023 and 2025 to keep it afloat. Cost blowouts on projects like Queen's Wharf Brisbane and rising input costs across Australia's construction sector drove the losses. Brookfield CEO Anuj Ranjan called the sale a "strong outcome," saying the company has "secured nearly $1 billion in proceeds from asset sales since the start of the year," according to Brookfield Business Corporation.
Obayashi Bets on High-Rise, Hospitals, and Data Centers
Multiplex brings a focused project portfolio. The firm is active in high-rise residential towers, hospitals, and data centers — all high-margin sectors. Multiplex CEO John Flecker called the acquisition a "milestone moment" and a "next chapter" that builds on the firms' shared history, according to Building Magazine.
The deal fits Obayashi's recent playbook. In October 2025, it bought U.S. construction management firm GCON Inc. through its subsidiary Webcor, targeting data centers and semiconductor facilities. Obayashi also has a digital transformation partnership with California-based Join Digital, which analysts expect to be rolled into Multiplex's project management systems.
Analysts See a Bargain — With Strings Attached
Many industry analysts view the US$650 million price as a "fire sale" given the A$7.3 billion Brookfield paid in 2007. The current price reflects only the pure construction business — Brookfield stripped out real estate and facilities management assets over the years. Multiplex employs around 2,500 people worldwide and generated US$62 million in EBITDA in its last fiscal year, Obayashi Corporation disclosed.
Some critics warn that folding a Western Tier 1 contractor into a traditional Japanese corporate structure is harder than it looks. Cultural and operational friction has tripped up similar deals before. Obayashi says it plans to keep Multiplex as a standalone brand — the same model it used with Webcor and GCON in the U.S. The impact on Obayashi's earnings for the fiscal year ending March 2027 is still under review, the company said.
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