2025年11月17日

BDA advises Marunouchi Capital on sale of TRIS to Aisan Industry

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2025

BDA Partners is pleased to announce that its client, Marunouchi Capital Inc., has agreed to sell its equity interest in TRIS Inc. to Aisan Industry Co., Ltd., one of Japan’s preeminent automotive component manufacturers, and part of the Toyota Group of companies. BDA acted as exclusive financial advisor to Marunouchi Capital on this transaction.

Headquartered in Matsusaka City, Mie Prefecture, Japan, TRIS is the global leader in carbon components used in automotive applications, such as carbon brushes. Leveraging its proprietary materials engineering, advanced manufacturing, and rigorous quality control, TRIS supplies products to a spectrum of motor manufacturers worldwide, including global mega-suppliers, and commands the leading market share in its field.

Welcoming TRIS into its group, Aisan Industry intends to harness TRIS’s world-class capabilities to strengthen the competitiveness of its powertrain business and expand its portfolio of carbon-neutral products. The combination of the companies’ technologies will accelerate material innovation and application development in electrified products, positioning the combined group to pursue global leadership in next-gen electrification solutions.

Toshiaki Yokohara, Managing Director at BDA Partners, said: “We extend our sincere respect to Marunouchi Capital for guiding TRIS to its next stage of growth while preserving the company’s exceptional technologies and unique corporate culture. This transaction will see TRIS join Aisan Industry, a flagship Japanese automotive components manufacturer, marking a significant step to enhance the competitiveness of Japan’s manufacturing sector. BDA is committed to supporting the advancement of Japanese industry through high-quality M&A.”

About TRIS Inc.

Founded in 1946, TRIS is the world’s leading manufacturer of carbon components for automotive motors, including carbon brushes. Its solutions are underpinned by proprietary materials development, advanced production technologies, and stringent quality control systems. TRIS supplies global mega-suppliers as well as virtually all leading automotive motor manufacturers worldwide, and commands the top global market share in its category. en.tris.co.jp

About Marunouchi Capital Inc.

Marunouchi Capital is one of Japan’s leading private equity firms and is backed by Mitsubishi Corp. Since its establishment in 2008, the firm has invested across a broad range of themes including business succession, corporate carve-outs, and management buyouts. Marunouchi Capital partners with management teams to drive sustainable, medium- to long-term value creation for companies in Japan. marunouchi-capital.com

About Aisan Industry Co., Ltd.

Founded in 1938, Aisan Industry is a major automotive components manufacturer and a core supplier within the Toyota Group. The company develops and manufactures products such as electronic fuel injection systems and intake and exhaust system components. In its medium-term management plan announced in February 2025, Aisan Industry articulated a dual-track strategy focused on sustaining its leadership in engine-related products while leveraging its accumulated powertrain expertise to pursue continuous innovation in electrification technologies. aisan-ind.co.jp

About BDA Partners

BDA Partners is the global investment banking advisor. We are a premium provider of Asia-related advice to sophisticated clients globally, with 30 years’ experience advising on cross-border M&A, capital raising, and financial restructuring. We provide global reach with our teams in New York and London, and true regional depth through our seven Asian offices in Mumbai, Singapore, Ho Chi Minh City, Hong Kong, Shanghai, Seoul and Tokyo. BDA has deep expertise in the Chemicals, Consumer & Retail, Health, Industrials, Services, Sustainability and Technology sectors. We work relentlessly to earn our clients’ trust by delivering insightful advice and outstanding outcomes. BDA Partners has strategic partnerships with William Blair, a premier global investment banking business, and with DBJ (Development Bank of Japan), a Japanese government-owned bank with US$150bn of assets.

US securities transactions are performed by BDA Partners’ affiliate, BDA Advisors Inc, a broker-dealer registered with the Securities and Exchange Commission (SEC). BDA Advisors Inc. is a member of the Financial Industry Regulatory Authority (FINRA) and SIPC. In the UK, BDA Partners is authorized and regulated by the Financial Conduct Authority (FCA). In Hong Kong, BDA Partners (HK) Ltd is licensed and regulated by the Securities & Futures Commission (SFC) to conduct Type 1 and Type 4 regulated activities to professional investors. bdapartners.com