What Ozeki does

Ozeki Co., Ltd. (株式会社オオゼキ) is a privately held Japanese regional supermarket chain founded in 1957 in Setagaya Ward, Tokyo, operating approximately 51 stores across the Greater Tokyo area spanning Tokyo's 23 wards, western Tokyo cities (Chofu, Mitaka, Fuchu), Chiba Prefecture (Ichikawa), and Kanagawa Prefecture (Yokohama, Kawasaki, Yamato). The company's product surface centers on fresh produce, seafood, meat, deli items, and bakery products, supplemented by packaged grocery; supporting offerings include a small e-commerce site (ozeki.com), a smartphone app on iOS and Android, a seasonal recipe content library, and a cashback loyalty program with two card variants (one for general consumers, one for restaurants) integrated with code payment and transit IC point systems. The company also serves a B2B channel supplying fresh ingredients, custom-cut sashimi, and personalized orders to local restaurants and food-service operators.

Underpinning the retail operation is a "hyper-individual store" (超個店主義) operating philosophy: store managers autonomously visit Toyosu and Ota wholesale markets each morning, set their own assortment, and even control signage, producing highly localized assortments such as a single store offering 30+ tomato varieties. The technology stack is conventional retail — POS, semi-self-checkout registers, and the loyalty/delivery app — with no proprietary platform, public API, or disclosed AI/ML systems. Revenue mechanics are dominated by in-store grocery sales, with a B2B restaurant supply line, online sales, and the cashback card program as secondary streams; no revenue is publicly disclosed and the company is founder-owned with no parent or external investors, headed by Representative Director and President Ishiharasaka Sumie. Lightweight partnerships (Umeoka Sushi for takeout sushi, Otsuka Pharmaceutical and Setagaya Ward for employee health initiatives) extend capability without major capital deployment, and recent activity has focused on opening or renovating select stores in Kanagawa rather than aggressive expansion.

Name

Ozeki

Legal name

株式会社オオゼキ

Website

https://ozeki-net.co.jp

Company type

Private

Founded year

1957

Operating status

Operating

Short description

Ozeki Co., Ltd. is a privately held Japanese regional supermarket chain founded in 1957, operating approximately 51 stores across Greater Tokyo (Tokyo, Chiba, Kanagawa) with a "hyper-individual store" philosophy, a fresh-food focus, an in-house cashback loyalty program, and a B2B restaurant supply channel.

Ownership category

akta.pro rank

Headquarters

HQ city

Setagaya, Tokyo

HQ country

Japan

HQ region

Asia

Offices21 records

Markets served

GTM type

B2C

Offering type

Services

Cost components

Personnel, Operations, Supply Chain, Infrastructure, Marketing or Sales, Technology or R&D

Revenue model

1. Physical Retail Sales: Primary revenue stream from operating physical supermarket stores selling fresh produce, seafood, meat, deli items, bakery, and grocery products. Revenue generated through in-store customer purchases across 51 store locations.
2. Online Store Sales: E-commerce revenue through the company's online store (ozeki.com) for customers who prefer digital shopping and delivery.
3. Cashback Card Program: Ozeki Cashback Card program where customers earn points on purchases. The '5th day' promotion offers enhanced cashback value on specific dates.
4. B2B Food Service: Supply to restaurant and food service businesses (飲食店様). Stores provide fresh produce and seafood to restaurants, with personalized ordering services for fresh sashimi and custom cuts.

Pricing tiers

Go-to-market motion1 record

Distribution channels4 records

Marketing channels5 records

Core offering

Ozeki operates a regional chain of approximately 51 physical supermarkets across the Greater Tokyo area, selling fresh produce, seafood, meat, deli items, bakery products, and packaged groceries sourced through daily direct procurement from Toyosu and Ota wholesale markets. The company complements in-store retail with an online store (ozeki.com), two cashback loyalty card programs (for general consumers and restaurants), a smartphone app, and a B2B fresh-food supply channel serving local restaurants and food-service businesses.

Product overview

Ozeki is a regional Japanese supermarket chain operating approximately 45 physical store locations across Tokyo, Kanagawa, and Chiba prefectures, founded in 1957 in Setagaya, Tokyo. The company follows a 'hyper-individual store' philosophy where each store has autonomy over procurement and product selection. Its product portfolio consists of physical retail stores as the core offering, supplemented by an online store (ozeki.com), two cashback card programs (for general consumers and restaurants), a smartphone app for iOS and Android, and an online recipe platform. The physical stores feature fresh produce, seafood, meat, deli items, bakery, and grocery products, with some stores operating specialty sub-brands such as Seisen Ozekiya (fresh produce/meat) and Ozekiya produce specialty shops. The company also partners with external vendors for ready-made sushi (Umeoka Sushi Midori) and deli items (Ease Deli).

Differentiator

Problem solved

Functional benefit

Brands

• 大関屋青果店: Fresh produce specialty store brand operated by Ozeki, selling fruits and vegetables sourced directly from markets.

Products and services

• Ozeki Physical Supermarket Stores Network of approximately 51 physical supermarket locations across the Greater Tokyo area (Tokyo, Kanagawa, and Chiba prefectures) selling fresh produce, fresh seafood and sushi, quality meats with custom cuts, deli items, bakery products, and packaged groceries, with each store operating under autonomous procurement and merchandising.
• Ozeki Online Store
• Ozeki Cashback Card for General Consumers (一般のお客様向け) Red cashback loyalty point card for individual consumers that earns points on purchases at Ozeki stores, with enhanced 5x point promotions on the 5th, 15th, and 25th of each month, plus support for code-based payments and transit IC card point integration.
• Ozeki Cashback Card for Restaurants (飲食店のお客様向け) Blue cashback loyalty point card tailored for restaurant and food-service businesses, providing accumulated cashback benefits on B2B purchases of fresh produce, seafood, and meat from Ozeki stores.
• Ozeki Smartphone App Mobile application for iOS and Android that supports the Ozeki cashback card program, enables GPS-based store location, and provides access to weekly digital flyers for registered members.
• Seisen Ozekiya Specialty Fresh-Produce Stores (大関屋青果店) Specialty fresh-produce retail sub-brand (大関屋青果店) operating standalone stores focused on fruits and vegetables sourced directly from wholesale markets, distinct from the main Ozeki supermarket line.
• B2B Restaurant and Food-Service Supply Direct B2B supply service from Ozeki stores to local restaurants, izakaya, and food-service businesses, offering daily fresh produce, seafood, and meat, with custom preparations including sashimi-to-order, fresh fish sushi, and cut-to-order meat.
• Same-Day Delivery Service Same-day home delivery service available at select Ozeki stores (including Oyamadai, Oomoriekimae, and Oomorikita) for registered cashback card members, with a time-limited pickup window of 10:00-17:00 and a delivery fee of approximately 350 yen per delivery.

Quantifiable outcome

• Daily direct market procurement by store staff
• +1 more outcomes

Named customers2 records

Segments2 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Partnerships

Three partnerships are on record, tiered minor.

• Otsuka Pharmaceutical (大塚製薬)minorOthersHealth management partnership for wellness initiatives. Otsuka Pharmaceutical collaborates with Ozeki on health promotion programs as part of the company's health management declaration. The partnership supports health literacy and wellness activities for employees.
• Setagaya Ward (世田谷区)minorOthersJoint health promotion initiatives with Setagaya Ward government. Collaboration on community health programs including nutritional awareness campaigns and health check-up promotions. Part of Ozeki's broader health management strategy.
• Umeoka Sushi/Midori (梅丘寿司の美登利)minorGTM or Marketing PartnerTakeout sushi partnership at multiple store locations. Umeoka Sushi's Midori brand寿司 products are available for takeout at various Ozeki stores including池尻店, 上野毛店, 下北沢店, 高井戸店, 三軒茶屋店, 砧店, and others. Products include fresh sushi and takeout items, enhancing the stores' prepared foods offering.

Scale indicators4 records

Recent moves7 records

Expansion highlights3 records

Direct peers

• Life Corporation: Life Corporation operates ~300+ supermarkets primarily in the Kanto and Kansai regions with a strong focus on fresh foods and private-label brands. It is a directly comparable neighborhood supermarket peer with similar format, fresh-food positioning, and geographic overlap in Tokyo.
• Maruetsu: Maruetsu is a long-established Tokyo-area supermarket chain with comparable store footprint, fresh-produce / deli emphasis, and neighborhood supermarket positioning. Directly competes with Ozeki in overlapping Kanto trade areas.
• Summit: Summit operates supermarkets concentrated in Tokyo and Kanagawa with a fresh-food and prepared-meals orientation. Geographic and format overlap with Ozeki makes it one of the most directly comparable regional peers.
• Inageya: Inageya is a Tokyo-area supermarket chain with neighborhood store formats and a focus on fresh produce, meat, and daily groceries. Comparable in scale, format, and target customer to Ozeki.
• Tokyu Store: Tokyu Store operates supermarkets and small-format food stores in the Tokyo metropolitan area as part of the Tokyu Group. Comparable in geographic concentration and neighborhood retail model.
• Seijo Ishii: Seijo Ishii is a premium-format supermarket chain in Tokyo focused on imported goods, deli, and high-quality fresh items. Comparable premium-fresh positioning with Ozeki though at a different price tier.

Broad incumbents

• Aeon: Aeon is Japan's largest supermarket and retail group operating nationwide hypermarkets, malls, and discount formats. It competes broadly with Ozeki through scale, private-label, and supply-chain advantages, though its formats differ from Ozeki's neighborhood supermarkets.
• Ito-Yokado: Ito-Yokado is a Seven & i Holdings supermarket and general merchandise chain operating across Japan. A broad incumbent offering general merchandise, grocery, and services at much larger scale than Ozeki.

Regional players

• York Benimaru: York Benimaru is a Seven & i Holdings-affiliated supermarket chain operating primarily in the Tohoku and Kanto regions with comparable fresh-food and neighborhood supermarket positioning, but with a different primary regional concentration.
• Izumi: Izumi is a regional supermarket chain concentrated in western Japan with hypermarket and small-store formats. Comparable as a multi-format regional supermarket operator, though operating in a different geography than Ozeki.

Market position

Strengths5 records

Weaknesses4 records

Competitive moat4 records

Key risks6 records

Key highlights6 records

Customer concentration

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Subsidiaries1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Ozeki