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Your registered office can be anywhere in Japan, but the factory address determines your food business license (営業許可) and most subsidies. So I've ranked these by plant location. Several local grants also require certification before construction starts, so check timing early.

1. Hokkaido: largest ceiling The FY2026 企業立地助成制度 has a ceiling of ¥2 billion, with applications open from April 1, 2026, and rates that vary by category. The location plan certification application must be filed within the 90 days before construction starts. The food base is large: a Hokkaido survey counted about 5,331 food manufacturing sites statewide as of May 2025. Kagome announced it will acquire land in Chitose for a tomato processing plant, targeting operation around August 2028. The ¥2 billion is a maximum, not a guaranteed award. (Hokkaido enterprise location subsidy, applications from April 1, 2026; Nissyoku food factory survey, May 26, 2026)

2. Nagano: recent food-factory approval On April 15, 2026, Nagano certified food company Sunsel for a new bottling factory in Nagano City, with about ¥852.7 million in equipment, 17 new full-time hires, and a subsidy of up to ¥34.1 million. The program has certified 193 projects since it began in fiscal 2005. (Nagano Prefecture press release, April 15, 2026)

3. Shizuoka (Yoshida-cho): large grant for land and hiring Yoshida-cho's factory grant names food products among eligible manufacturing and covers up to ¥400 million for land acquisition and new hires for a new or expanded plant. If you already received the prefectural factory grant and invest under ¥500 million, only the town portion applies. (Yoshida-cho factory location subsidy notice, undated)

4. Shimane: mid-size grant, currently closed Shimane's food manufacturing grant (しまね中核的食品製造企業育成事業) caps support at ¥7 million, with a 1/2 rate on soft costs, a 1/3 rate on hard costs, and a ¥700,000 minimum. Round 3 added building costs to eligible expenses. Round 3 ran from August 31 to September 28, 2026. The portal warns its listings may be outdated, so confirm with the prefecture and watch for a new round. (Shimane grant listing, round 3, 2026)

5. Kumamoto: large grant with a headquarters condition Kumamoto's southern food valley grant covers up to ¥100 million at a 1/2 rate for food processors' facility and equipment investment, but its application window closed April 30, 2026. The general 地場企業立地促進補助金 is limited to companies headquartered in Kumamoto, excluding relocated 誘致企業, and requires prior certification before construction or hiring. If you're considering this site, confirm whether a newly registered company counts as headquartered there. (Kumamoto southern food valley grant, closed April 30, 2026; Kumamoto local company location grant, page updated April 1, 2024)

I left out Saitama and Miyazaki. Saitama's HACCP grant is aimed at export facilities, and it requires GFP registration and, for projects over ¥10 million, a loan covering at least 10% of project costs. That matters less if your product is for Japanese buyers. Miyazaki's food competitiveness grant is capped at ¥1 million and closed in May.

Nationwide programs (location-independent) The ものづくり補助金 23rd round closed May 8, 2026, with results planned for early August 2026. The program is being merged into a new 新事業進出・ものづくり・商業・サービス補助金, and the first call guidelines were reportedly published June 29, 2026. (Monodukuri subsidy guide, June 2026)

Licensing and steps Your factory's health center issues the 営業許可, and each facility needs a 食品衛生責任者. Consult the health center with drawings before construction starts. Applications are typically submitted about 10 to 14 days before the facility is due to be completed, and can be filed online through the Ministry of Health, Labour and Welfare system. Since the 2021 reform, licensing and notification categories were reorganized, and HACCP-based hygiene management is required. (Setagaya Health Center, page noting a March 30, 2026 system URL change; Koriyama city licensing guide, undated; Tokyo Tama Kodaira Health Center newsletter, July 2022)

If you share your product type, planned volume, and capital budget, I can narrow this to the one or two sites that fit best.