Oyaizu Seicha International Japanese Tea Co., Ltd., based in Shizuoka, Japan, is a heritage tea manufacturer and exporter with over 70 years of experience in the production, refinement, and innovation of authentic Japanese green teas. Renowned for its deep-steamed sencha and matcha-based products, the company combines tradition with modernity, serving both domestic and international markets with precision-crafted teas and tea-based confectioneries.
Core Business and Product Portfolio
Oyaizu Seicha operates as a vertically integrated manufacturer, managing tea cultivation, processing, packaging, and export logistics. Their product range is distinguished by purity, freshness, and craftsmanship:
Green Tea
- Deep Steamed Sencha (Fukamushi Sencha): Known for its rich color and deep umami, crafted through extended steaming.
- Honyama Tea: Harvested from pristine mountainous regions, known for floral aroma.
- Kawane Tea: Grown in high-altitude areas, offering a smooth and sweet flavor.
Matcha
- Culinary Grade Matcha: Used in foodservice and consumer products for lattes, baking, and desserts.
- Ceremonial Grade Matcha: Finely stone-ground for use in traditional tea ceremonies.
Powdered and Instant Teas
- Instant Matcha Powder: Cold-soluble and ideal for RTD applications.
- Tea Blends: Green tea blended with herbs or functional ingredients (e.g., yuzu, ginger).
Tea Sweets and Confectioneries
- Matcha Gelato: A flagship dessert available at retail and in hospitality.
- Matcha Confectioneries: Including cookies, mochi, and cakes that reflect Japan’s tea-based culinary culture.
Private Label and OEM Services
- Custom formulations, packaging, and branding solutions for global clients seeking to launch or scale Japanese tea products.
Unique Strengths and Differentiators
Oyaizu Seicha differentiates itself through its:
- Deep knowledge of regional tea terroirs, especially Shizuoka’s microclimates.
- State-of-the-art processing facilities that maintain nutrient integrity and vibrant coloration.
- Vertical integration, providing consistent quality control from farm to cup.
- Strong OEM/private label program, allowing clients to enter the market with Japanese-certified tea products under their own brand.
- Creation of tea-based desserts and value-added innovations, bridging tea culture with culinary trends.
The company also operates the well-known Gashouan brand, which is synonymous with high-end tea retail and experiential tasting.
Market Reach and Export Activity
Oyaizu Seicha exports to more than 20 countries, with growing demand in:
- North America and Europe, particularly among wellness-driven and premium tea consumers.
- Asia-Pacific markets, especially in hospitality and specialty café chains.
- OEM clients in the food, beverage, and nutraceutical sectors.
Their teas are frequently featured at international trade fairs, including FOODEX Japan, SIAL, and Anuga, and are used by Michelin-starred chefs and luxury tea rooms globally.
Financial Strength and Operational Capacity
While exact revenue data is not publicly available, the company’s scale of operation includes:
- Over 300 metric tons of annual tea processing capacity.
- A portfolio of more than 200 SKUs across retail, foodservice, and industrial formats.
- Investment in matcha-specific grinding lines and cold-chain distribution logistics, reflecting a commitment to premium product integrity.
Certifications and Compliance
Oyaizu Seicha maintains strict quality control systems and certifications, including:
- JAS Organic Certification
- ISO 22000 Food Safety Management
- HACCP Compliance
- Halal Certification for select SKUs
- FDA and EU food import standards compliance
These standards ensure international buyers can trust the product's safety, quality, and authenticity.
Target Markets
Oyaizu Seicha’s diverse offerings are positioned for:
- Premium retail brands
- Tea specialty shops
- Luxury hotels and fine dining
- RTD beverage manufacturers
- Private label clients seeking custom Japanese tea solutions
- Health food brands and functional beverage innovators
Digital and Brand Engagement
The company maintains a strong multimedia presence, including:
- A branded YouTube channel with behind-the-scenes content and tea education.
- Active engagement on Instagram, Facebook, and Twitter, showcasing tea culture and product innovation.
- A bilingual website for global B2B inquiries, including access to a downloadable Company Profile Brochure.
Their brand narrative is deeply rooted in authentic Japanese heritage and appeals to conscious consumers seeking clean, artisanal, and sustainable products.
Brand Portfolio
- Oyaizu Seicha: Main corporate and export brand.
- Gashouan: Retail and experiential brand known for tea cafés and gelato.
- OEM/Private Label: White-labeled tea and matcha products for international distributors.
Notable Achievements
- Over 70 years of continuous operation and innovation in Japanese tea.
- Early adopter of matcha product development for global foodservice markets.
- Supplier to Michelin-starred restaurants and wellness beverage companies.
- Developer of functional green tea blends and dessert innovations.
- Recognized as a Shizuoka Tea Promotion Leader and frequent recipient of regional agricultural awards.
