KOHSOKU CORPORATION
7504・Prime Market・Wholesale Trade
Business
Kosoku Co., Ltd. is a comprehensive packaging materials company headquartered in Sendai City, Miyagi Prefecture, primarily engaged in the manufacture and sale of light food packaging materials and industrial packaging materials. The company is composed of itself and six consolidated subsidiaries (Seiwa Co., Ltd., Nihon Kontec Co., Ltd., Plus Housou System Co., Ltd., Tokiwa Package Co., Ltd., Kosoku Seapack Co., Ltd., and Kosoku Sealing Co., Ltd.), and handles a wide range of products including Food Containers, films, Paper Products & Labels, corrugated cardboard, logistics materials, and seals. Its main customers are food supermarkets, ready-made meal and restaurant operators, and food manufacturers, with sales offices deployed from the Tohoku region to major cities nationwide. Net sales for FY2026 (ending March 2026) reached ¥124,192 million, marking a new record high for the 11th consecutive fiscal year.
Business Model
The Group has built a vertically integrated structure spanning manufacturing (plastic bags, corrugated cardboard, paper containers, seals, etc.) through to logistics materials sales and wholesale distribution. Each consolidated subsidiary handles a specialized domain, and through the parent company's wide-area sales network, a diverse range of packaging materials is offered to customers on a one-stop basis. Revenue is primarily driven by gross profit from merchandise sales, and with a zero-interest-bearing-debt financial base, the Group funds capital expenditure and M&A investments mainly through its own capital, achieving both scale expansion and profit growth simultaneously.
Company Strengths
In FY2026 (ending March 2026), net sales reached ¥124,192 million and operating profit reached ¥4,866 million, both record highs. Net sales marked record highs for 11 consecutive periods, operating profit and ordinary profit for 8 consecutive periods, and net income for 5 consecutive periods, an achievement that stands out compared to peers in sustaining growth even amid economic fluctuations.
As of the end of FY2026 (ending March 2026), the balance of interest-bearing debt was zero, and the equity ratio stood at 67.30%. The company holds an overdraft agreement of ¥9,430 million (the entire unused facility) with its transaction banks, securing fund-raising capacity in case of emergency. Its debt-free management enables aggressive capital expenditure and M&A investment without interest burden, maintaining a robust financial structure.
Six consolidated subsidiaries—Seiwa Co., Ltd. (tea packaging), Plus Packaging System Co., Ltd. (plastic bag manufacturing), Tokiwa Package Co., Ltd. (corrugated cardboard manufacturing), Kosoku Seal Pack Co., Ltd. (printed paper containers), Nippon Contec Co., Ltd. (logistics materials), and Kosoku Sealing Co., Ltd. (seals and labels)—each handle specialized domains, building a one-stop supply system covering a wide variety of products. This vertically integrated supply chain, difficult for competitors to replicate in a short period, is a source of differentiation.
ENVALITH's Perspective
Performance Trend
Revenue increased 35.3% over five periods, from ¥91,818 million in FY2022 to ¥124,191 million in FY2026. The FY2026 revenue growth rate of 7.1% slowed somewhat from 9.1% in the prior period, but the absolute increase (¥8,276 million) was the largest on record. Operating profit reached ¥4,865 million (up 7.4% year on year), ordinary profit ¥5,238 million (up 8.2%), and net income attributable to owners of parent ¥3,764 million (up 8.6%), with all profit stages hitting record highs. Externally, elevated raw material and energy costs and upward pressure on import prices from currency fluctuations have persisted, but these were absorbed through price pass-through and increased sales volume. The operating margin remained at 3.9%, level with the prior period, and the structure in which revenue growth does not directly translate into margin improvement continues.
Growth Strategy
Under the mid- to long-term vision 'High-Speed Fan-Building Challenge 2035,' the company aims for sustained expansion of sales and profit and a 23rd consecutive year of dividend increases
Under the mid- to long-term management plan that started in FY2026, the company is promoting continuation of basic measures alongside proactive investment in new challenges. For FY2027 (ending March 2027), it plans net sales of ¥135,000 million (up 8.7% year on year), operating profit of ¥5,100 million (up 4.8%), and net income of ¥4,000 million (up 6.3%).
In FY2026 (ending March 2026), the company carried out expenditures of ¥4,366 million (versus ¥2,177 million in the previous fiscal year) for the acquisition of tangible fixed assets, executing large-scale capital investment including a ¥2,612 million increase in land. Through strengthening production and logistics infrastructure, the company aims to improve mid- to long-term supply capacity and competitiveness.
In FY2026 (ending March 2026), the company implemented an annual dividend of ¥116 (ordinary dividend of ¥56 plus a commemorative dividend of ¥60) including a 60th anniversary commemorative dividend (¥30 each at interim and year-end), resulting in a payout ratio of 60.2%. For FY2027 (ending March 2027), the company plans an annual dividend of ¥120 (¥60 at interim, ¥60 at year-end), aiming for a 23rd consecutive year of dividend increases.
Last updated: July 19, 2026