Honda Motor Co., Ltd. and Nissan Motor Co., Ltd. have entered into a joint development agreement to standardize multiple electronic control units (ECUs), including high-performance main ECUs and zone ECUs, along with in-vehicle operating systems, middleware, and vehicle control software for next-generation software-defined vehicles (SDVs). The jointly developed E/E architecture is planned for application in both companies' SDVs starting from fiscal year 2029. This strategic partnership aims to improve R&D speed, investment efficiency, and competitiveness through reduced development costs and economies of scale. Honda states the transaction is not anticipated to have a material impact on its consolidated financial results for the fiscal year ending March 31, 2027. The company operates in the automotive manufacturing industry.

On July 20, 2026, Honda Motor Co., Ltd. and Guangzhou Automobile Group Co., Ltd. (GAC Group) signed an agreement to extend the term of their joint venture, GAC Honda Automobile Co., Ltd., through 2038. GAC Honda, established in 1998, has cumulative sales exceeding 11 million units. The company expects no material impact on consolidated financial results for the fiscal year ending March 31, 2027. Honda operates in the automotive industry, designing and manufacturing vehicles and power equipment.

Honda Motor Co., Ltd. has delayed the closing date for its acquisition of an additional 21% equity interest in Astemo, Ltd. from Hitachi, Ltd. The transaction, which will make Astemo a consolidated subsidiary, was originally scheduled to close during the first quarter of the fiscal year ending March 31, 2027, but is now expected to close by the end of the third quarter of the same fiscal year due to pending regulatory approvals. Honda expects no material impact on consolidated financial results for the fiscal year ending March 31, 2027. Honda is an automotive company that manufactures and sells vehicles and power products.