Aumont Sake Brewery Inc.

What Aumont Sake Brewery Inc. does

Aumont Sake Brewery Inc. (formerly Ichishima Shuzo, 市島酒造) is a Japanese sake brewery founded in 1823 and headquartered in Shibata City, Niigata Prefecture. It produces premium sake under four brands — Omon (王紋), Hidematsu (秀松), Yume (夢), and Karen (かれん) — using traditional Echigo-toji brewing techniques, locally sourced Niigata rice (notably Gohyakumangoku 五百万石 and Kosudachi 越淡麗), and Kaji River water drawn from the Jurokken mountains. Its chief Toji, Daisuke Tanaka, holds the national Zengiyo Master Toji certification, and the brewery maintains proprietary yeast cultures developed in-house.

The business operates three revenue lines: (1) branded sake sales through its online store, regional events, and direct channels targeting premium consumers and sake newcomers; (2) OEM/private-label sake development for corporate and hospitality clients including Hotel Okura (Tokyo, Kobe, Niigata), Kabukiza, Mizuho Securities, and Bushiroad, where the brewery co-develops proprietary recipes and labels; and (3) brewery tourism at the Gokaibishi (五階菱) heritage facility, which uses projection mapping on the brewery's historic trademark to drive experiential visits. Products span Daiginjo, Junmai Daiginjo, Junmai, Ginjo, and Honjozo, with new launches (e.g., Karen non-alcohol sake, Omon Daiginjo Karakuchi) and recurring international awards (KuraMaster Platinum 2025, IWC Silver 2025) sustaining brand momentum.

Name

Aumont Sake Brewery Inc.

Legal name

王紋酒造株式会社 (Aumont Sake Brewery Inc.)

Website

https://aumont.jp

Company type

Private

Founded year

1823

Operating status

Operating

Short description

Aumont Sake Brewery (founded 1823, Shibata, Niigata) is a Japanese craft sake producer selling premium Omon/Hidematsu/Yume/Karen sake via DTC, OEM/private-label partnerships with hotels and corporations, and brewery tourism.

Ownership category

akta.pro rank

Product category

Japanese Sake Brewing

NAICS

Beverage Manufacturing (3121)

SIC

Beverages (2080)

akta.pro primary industry

Sake, Soju & Other Asian Alcoholic Beverages Producers & Brands (CRADAIAF)

akta.pro secondary industries

Sake & Traditional Rice Wine Production (AFAFAAAG), Alcohol-Free & Low-Alcohol Beer/Wine/Spirits Production (AFAFAAAJ)

Keywords

• Japanese sake brewing
• Premium daiginjo sake
• OEM sake manufacturing
• Niigata rice wine
• Brewery tourism experiences

Headquarters

HQ city

Shibata

HQ country

Japan

HQ region

Asia

Offices1 record

Markets served

GTM type

B2B and B2C

Offering type

Hardware or Manufacturing

Cost components

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

Revenue model

1. Sake Product Sales: Direct sales of branded sake products including 王紋, 秀松, 夢, かれん product lines through company-owned online store, e-commerce platforms, and direct brewery sales.
2. OEM/Private Brand Development: Custom sake product development for partners including hotels, tourist facilities, corporations, and brands. Services include product conception, sake selection, label design, and manufacturing. Minimum order of 100 bottles.
3. Brewery Tourism and Events: Revenue from brewery tours (酒蔵見学), events, and direct sales at the brewery location. The brewery operates an experiential tourism facility called 五階菱 with projection mapping experiences.

Pricing tiers

Go-to-market motion3 records

Distribution channels6 records

Marketing channels7 records

Core offering

Aumont Sake Brewery manufactures and sells premium Japanese sake (daiginjo, ginjo, junmai, and sparkling varieties) under brands including Omon (王紋), Hidematsu (秀松), Yume (夢), and Karen (かれん), using locally sourced Niigata rice and Kaji River water with proprietary yeast strains and 200+ year-old Echigo brewing techniques. The company also provides OEM/private-label sake product development to hospitality and corporate partners, and operates brewery tourism experiences at its Gokaibishi (五階菱) facility.

Product overview

Aumont Sake Brewery Inc. is a traditional Japanese sake brewery with over 200 years of history located in Shibata City, Niigata Prefecture. The company produces multiple sake brands (王紋, 秀松, 夢, かれん) featuring local Niigata rice and spring water from the Kajikawa River. The product portfolio centers on premium daiginjo and junmai varieties characterized by elegant, smooth taste profiles. Beyond sake production, the company offers OEM/private-label sake manufacturing services, brewery tourism experiences, and online direct-to-consumer sales.

Differentiator

Problem solved

Functional benefit

Brands

• 王紋 (Omon): Primary sake brand featuring daiginjo, ginjo, and junmai varieties. Known for elegant and refined taste.
• 秀松 (Hidematsu)
• 夢 (Yume)
• かれん (Karen)

Products and services

• Omon (王紋) premium sake line Premium sake brand featuring daiginjo and ginjo varieties (including 吟の慶, 大吟醸, 冰, しぼりたて生原酒, 純米大吟醸無濾過原酒) made with locally sourced Niigata rice and the brewery's proprietary 王紋酵母; characterized as elegant and refined with subtle sweetness. Targeted at premium sake drinkers and the gifting market.
• Hidematsu (秀松) sake line Hidematsu (秀松), named after the first-generation kuramoto Ichishima Hidematsu, offers multiple color-themed varieties (朱 / 山吹 / 藍, etc.) characterized by mild aroma and dry taste; positioned as an approachable, mid-tier everyday sake line carrying the brewery's craftsmanship.
• Yume (夢) junmai sake line Yume (夢) is the brewery's junmai (pure rice) brand featuring 山廃純米 (yamahai junmai) and various ginjo expressions, including 夢 純米大吟醸 and 夢 純米吟醸, known for rich, full-bodied flavors using local Niigata rice. Targeted at consumers wanting an authentic junmai profile with full flavor.
• Karen (かれん) low-alcohol junmai sake line Karen (かれん) is a low-alcohol, soft-flavored junmai sake series with a sweet profile reminiscent of white wine with slight acidity and apple notes; specifically targeted at sake newcomers and marketed with a women's-limited positioning to drive trial.
• OEM / Private-Brand Sake Development End-to-end OEM/private-label sake development service for hotels, tourist facilities, corporations, theaters, and entertainment brands (e.g., Hotel Okura Tokyo / Kobe / Niigata, Kabukiza Theatre, Mizuho Securities, Bushiroad, Momoclo Clover Z, Ashikaga Flower Park). Includes concept planning, base sake selection, label design, and small-lot manufacturing starting from 100 bottles, with sizes from 50ml miniatures to 1800ml.
• Gokaibishi (五階菱) brewery tour experience Experiential brewery-tourism service at the historic Shibata facility combining guided tours of the 200+-year-old brewery with a projection-mapping show in the old fermenting building. Reservable through gokaibishi.com with weekday and weekend phone lines, open year-round except the New Year period.
• Omon 77 (王紋77) high-concentration ethanol product 77% high-concentration ethanol product (王紋77) produced from the brewery's distillation capabilities for distribution to local medical facilities; released as an emergency supply during the COVID-19 pandemic.

Quantifiable outcome

• Multiple Gold and Platinum awards at major international sake competitions including KuraMaster, International Sake Challenge, Australian Sake Awards
• +1 more outcomes

Named customers8 records

Segments4 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature2 records

Partnerships

Twelve partnerships are on record, tiered core, regional and minor.

• Hotel Okura Tokyo (ホテルオークラ東京)coreOEM/ Whitelabel/ Licensing PartnerLuxury hotel partnership for custom branded sake products. The brewery creates private label sake for the prestigious Hotel Okura chain, providing premium products for gifting and hotel use.
• Hotel Okura Kobe (ホテルオークラ神戸)coreOEM/ Whitelabel/ Licensing PartnerLuxury hotel partnership for custom branded sake products at the Kobe property of the Hotel Okura chain.
• Hotel Okura Niigata (ホテルオークラ新潟)coreOEM/ Whitelabel/ Licensing PartnerLocal luxury hotel partnership for custom branded sake products, leveraging regional hospitality connections.
• Tsukioka Onsen Ladies Association (月岡温泉女将会)regionalOEM/ Whitelabel/ Licensing PartnerRegional hospitality association partnership for custom sake products representing local hot spring tourism.
• Mizuho Securities (みずほ証券)minorOEM/ Whitelabel/ Licensing PartnerCorporate partnership for custom branded sake products used for corporate gifts and hospitality.
• Kabukiza Theatre (歌舞伎座)coreOEM/ Whitelabel/ Licensing PartnerTraditional performing arts venue partnership for custom branded sake celebrating Japanese cultural heritage.
• Bushiroad Inc. (ブシロード)minorOEM/ Whitelabel/ Licensing PartnerEntertainment company partnership for custom sake products, combining traditional craft with modern pop culture.
• Tainai Resort (胎内リゾート)regionalOEM/ Whitelabel/ Licensing PartnerRegional tourism resort partnership for custom sake products representing local area attractions.
• Niigata Sake Premium SAKE Kura (新潟地酒 premium SAKE 蔵)regionalOEM/ Whitelabel/ Licensing PartnerRegional premium sake retailer partnership for exclusive custom products.
• Kariyasaki Shingo (假屋崎省吾)minorOEM/ Whitelabel/ Licensing PartnerIndividual artist collaboration for custom branded sake products.
• Momiro Clover Z (ももいろクローバーZ)minorOEM/ Whitelabel/ Licensing PartnerPopular idol group collaboration for custom sake products targeting younger demographic and music fans.
• Ashikaga Flower Park (あしかがフラワーパーク)regionalOEM/ Whitelabel/ Licensing PartnerMajor tourist destination partnership for custom sake products featuring seasonal flower themes.

Scale indicators3 records

Recent moves8 records

Expansion highlights5 records

Broad incumbents

• Takara Shuzo (Sho Chiku Bai): Long-established sake and shochu maker (Sho Chiku Bai brand) with nationwide distribution and export channels. Comparable as a multi-category heritage Japanese alcohol producer with broad retail penetration.
• Gekkeikan Sake Company: Largest traditional Japanese sake producer (Fushimi, Kyoto) with broad domestic and export distribution. Comparable as a multi-line sake manufacturer with a heritage brand, but at materially larger scale and broader portfolio.
• Ozeki Corporation: Large-scale Japanese sake and mirin producer with national and international presence. Comparable as a multi-tier sake manufacturer competing across price points, though at significantly greater scale than Aumont.

Direct peers

• Suigei Brewery: Kochi-based premium sake producer with strong regional identity, event-driven marketing, and DTC e-commerce. Comparable on heritage positioning, regional single-prefecture brand strategy, and premium-focused portfolio.
• Sudo Honke: Ishikawa-based heritage sake brewery (農口酒造) founded in 1141 — among Japan's oldest. Comparable as a long-established single-family premium sake producer emphasizing craftsmanship, low-volume artisanal output, and Toji-led production.
• Kubota / Asahi Shuzo (Niigata): Famous Niigata sake producer of the 'Kubota' brand (separate from Dassai's Asahi Shuzo). Closest same-region direct competitor sharing Niigata soft-water brand DNA and premium junmai/ginjo positioning.
• Asahi Shuzo (Dassai): Premium daiginjo-focused sake producer (maker of Dassai) with strong international export infrastructure. Comparable on product tier (premium daiginjo), award presence, and global brand awareness strategy.
• Hakkaisan Sake Brewery: Premium Niigata-based sake brewery with national and international distribution; the most direct comparable on geography, product mix (junmai/ginjo/daiginjo), and gift-grade positioning. Both compete for the same 'Niigata premium' shelf narrative.
• Tatenokawa Shuzo: Yamagata-based premium sake producer recognized for innovation (100% Junmai Daiginjo line) and international expansion. Comparable on premium positioning, innovation in product range, and active overseas presence.

Others

• Kikkoman (sake division): Global soy sauce and food giant with a smaller sake business. Relevant for understanding scaled Japanese beverage production, retail buyer relationships, and overseas distribution infrastructure, though not a direct sake competitor.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat4 records

Key risks5 records

Key highlights6 records

Customer concentration

• Xx.com/aumont_sake
• Instagraminstagram.com/aumont_sake

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 records

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 Aumont Sake Brewery Inc.