Marubeni to invest in Branded Castle Partners US PE fund

Marubeni to invest in Branded Castle Partners US PE fund

Marubeni to Invest in Branford Castle Partners U.S. Private Equity Fund

Marubeni Corporation, a Japanese trading house with a long-standing presence in private equity, has agreed to invest in Branford Castle Partners L.P.’s new flagship U.S. private equity fund, marking its formal entry into the American PE market. This move expands Marubeni’s global PE strategy, which began in 1997 with Japan’s first PE fund and has since extended to Asia. The U.S. PE market, the world’s largest with $3.8 trillion in assets under management, offers significant opportunities for growth, particularly in small- and mid-sized companies with annual revenues between $10 million and $250 million.

Branford Castle, a New York-based firm founded in 1986, specializes in investing in high-market-share U.S. specialty manufacturing firms, including sectors like precision instrumentation and government products. The firm has managed over $6 billion in funds across its history and aims to refine its value-creation strategies through its new flagship fund. Marubeni’s investment will be accompanied by operational support, leveraging its global trading network to assist Branford’s portfolio companies with supply chain diversification, cost reduction, and market expansion.

Marubeni’s existing PE arm, including iSigma Capital Corporation in Japan, shares synergies with Branford’s focus on mid-sized companies. The firm aims to cross-pollinate insights from its Asian and U.S. investments to strengthen its overall PE business. Cumulatively, Marubeni has participated in PE funds exceeding ¥500 billion ($3.6 billion) in size. The company has set a target of achieving a net profit of ¥10 billion ($70 million) from its global PE operations, emphasizing growth in corporate value and sustainable economic development.

The partnership reflects growing demand for global trading-house expertise amid geopolitical uncertainties and supply chain challenges facing U.S. small businesses. By combining Branford’s sector-specific experience with Marubeni’s international resources, the collaboration aims to address operational inefficiencies and expansion needs in target companies.

(https://www.marubeni.com/en/news/2026/release/00014.html): Marubeni Corporation, Nikkei Asia, March 2026.
(https://asia.nikkei.com/business/finance/japan-s-marubeni-to-enter-us-private-equity-fund-business): Branford Castle Partners L.P. public records.

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