Following the acquisition of Mitsui E&S Shipbuilding shares under Mitsui E&S Holdings of Japan and the completion of the name change, Japan’s Tsuneishi Shipbuilding decided to integrate its two shipbuilding subsidiaries to enhance its competitiveness in the field of small and medium-sized ships.
On July 17, Tsuneishi Shipbuilding announced on its official website that the company plans to implement an internal reorganization of its shipbuilding subsidiaries Tsuneishi Miho Shipbuilding and Niigata Shipbuilding & Repair on September 1, 2025.
The new entity formed after the merger will continue to use the name “Tsuneishi Miho Shipbuilding”. The headquarters of the reorganized shipyard is located in Shimizu City, Shizuoka Prefecture, and is led by Akito Danjo, the current president of Tsuneishi Miho Shipbuilding.
Tsuneishi Shipbuilding stated that the purpose of this restructuring is to enhance the overall competitiveness of Tsuneishi Shipbuilding by strengthening the synergies between the businesses of the two small and medium-sized shipbuilding companies, and to help it achieve more efficient and flexible business operations by optimizing the allocation of management resources and simplifying decision-making processes.
It is understood that Niigata Shipbuilding & Repair was established in April 2003 with a registered capital of 300 million yen. Its main business is shipbuilding, repair and steel structure manufacturing. It is one of the few shipyards in Japan that has the ability to repair and build coast guard ships, ferries and coastal cargo ships. Tsuneishi Miho Shipbuilding was established in 1919 with a registered capital of 50 million yen. Its main business includes the construction, sale and repair of various types of ships.
According to reports, Niigata Shipbuilding & Repair was established in April 2003 with a registered capital of 300 million yen. Its main businesses include shipbuilding, repair, and steel structure manufacturing. It is one of the few shipyards in Japan capable of constructing and repairing coast guard vessels, ferries, and coastal cargo ships. Tsuneishi Miho Shipbuilding was established in 1919 with a registered capital of 50 million yen. Its main businesses include the construction, sale, and repair of various types of ships.
The merger of the two shipyards will give full play to the technical expertise, shipbuilding and repair capabilities, and human resources that both shipyards have accumulated over many years, maximizing their value within the Tsuneishi Group and contributing to further enhancing corporate value.
It is worth noting that this merger announcement follows Tsuneishi Shipbuilding’s acquisition of Mitsui E&S Shipbuilding. On June 30, Tsuneishi Shipbuilding disclosed on its official website that it had completed the acquisition of all shares of Mitsui E&S Shipbuilding, a subsidiary of Mitsui E&S Holdings, and renamed it Tsuneishi Solutions Tokyobay Co., Ltd.
According to an earlier announcement by Mitsui E&S Holdings, the acquisition involves 34% of Mitsui E&S Shipbuilding’s equity, with a transaction price of approximately 4.2 billion yen (US$28.48 million).
While Tsuneishi Shipbuilding is internationally known for building bulk carriers, particularly at its shipbuilding bases in the Philippines and China, it remains significantly competitive in the Japanese small and medium-sized vessel market. The company has made clear that interest in these markets is growing as demand for low-emission short-sea transport and next-generation coastal vessels grows.