Best Beer
Asaka, Saitama, JP · 2 known investors
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Best Beer Japan runs a B2B craft beer and craft spirits wholesale platform that lets retailers browse and compare over 4,000 products from more than 350 brands at wholesale prices. It consolidates ordering, invoicing, and payments from multiple suppliers into a single invoice and one bank transfer for shops in Japan.
Also known as Best Beer Japan · Best Beer Japan株式会社 · BestBeerJapan
Founders & leadership

Investors · 2
Company profile
researched Aug 2026Best Beer Japan株式会社 is a Japanese startup addressing operational problems in the alcohol trade, with a focus on craft beer. It operates three service lines. The "Craft Beer Platform" (クラフトビール・プラットフォーム) is a business-use online wholesale site for restaurants and licensed liquor retailers, offering more than 350 brands and a constant catalogue of over 4,000 products — including limited releases and categories beyond beer such as craft gin — at wholesale prices, with orders and invoicing consolidated into a single invoice and single bank transfer. A separate keg-return service (樽回収サービス), operated in cooperation with Yamato Transport, lets platform-using venues send back beer kegs without preparing waybills or bundling, from a single keg upward, cutting return shipping costs by up to 70% versus previous methods.
For breweries, the company sells an inventory management system covering keg, bottle and can stock, keg status tracking, filling and shipment records, and liquor-tax report output, accessible from staff devices; the company states it reduces brewery administrative work by 88%. Its "レン樽" (Rentaru) offering shifts kegs from purchase to rental, with long-term rental and keg-sharing plans. The company also runs a free information site publishing new craft beer release information from more than 80 participating breweries for restaurants, where transactions themselves remain direct between venue and brewery.
The company is headquartered in Asaka, Saitama (1-8-7 Honcho, 351-0011), was established in May 2018, is led by Representative Director Peter Rothenberg, and reports capital of 100 million yen.
Business model
Best Beer Japan sits between breweries and on-trade/retail buyers. Breweries can list on the wholesale platform, which handles order-to-invoice workflow and auto-generates waybills, delivery notes and invoices, and can subscribe to the inventory management system and keg rental plans; restaurants and liquor retailers register free (retailers must upload a liquor licence, with approval in about one business day on average) and purchase at wholesale prices with consolidated billing. A logistics-based keg return service is offered to platform-using venues.
Traction
Over 350 brands and more than 4,000 products listed; more than 350 breweries using its services; platform listing described as reaching over 6,000 stores; an affiliated release-information site has over 80 participating breweries. Customer testimonials cite monthly liquor-tax calculation reduced to under 30 minutes (Repubrew) and reduced workload at small breweries (Nomcraft Brewing).
Latest developments
Launch of a Yamato Transport-linked keg return service cutting keg return shipping costs by up to 70%; publication of liquor-retailer pricing enabling bulk purchasing from 300 breweries; selection for Nikkei Cross Trend's "100 companies building future markets 2026"; limited-edition coffee and tea beers released for Valentine's Day and White Day; and a one-day comparative tasting event in Osaka on 7 April featuring 110 companies and over 300 craft beers.
▸Full profile — market position, technology, go-to-market, geography
Market position
Describes its wholesale site as Japan's first craft beer wholesale EC site and states an ambition to become Japan's No. 1 alcohol wholesaler; press coverage has characterised it as the fastest-growing player in its space, and it was selected for Nikkei Cross Trend's "100 companies building future markets" 2026 edition.
Technology
Web-based B2B wholesale e-commerce with search across styles and breweries, consolidated ordering and single-invoice billing, plus a multi-device brewery inventory system tracking kegs, bottles and cans, keg status, filling/shipment events and liquor-tax reporting. Order processing automatically generates waybills, delivery notes and invoices and can consolidate orders arriving from other sales channels.
Go-to-market
Free online self-service registration for venues and retailers, direct sign-up enquiries from breweries, case studies with customers such as P2B Haus and Steady Works (operator of Craft Beer Market), owned content marketing via a company blog and press releases, industry events (a comparative tasting event featuring 110 companies and over 300 craft beers held in Osaka on 7 April), and participation in trade events such as JAPAN BREW EXPO 2026.
Craft beer and other alcohol breweries (including craft gin producers) on the supply side; restaurants, bars and licensed liquor retailers on the buying side. Platform listing is described as reaching over 6,000 stores.
Geography
Japan-wide sourcing from breweries across the country, with headquarters in Asaka, Saitama; events held in cities including Osaka.
Compiled by commissioned research from 8 cited public sources — announcements, filings, and press listed under research sources below.
Key figures
latest reportedCompany-reported or press-reported figures, each dated to when it was claimed — not independently audited.
Timeline · 6
launches, deals, and filingsOne-day event in Osaka on 7 April offering comparative tasting of more than 300 craft beers from 110 companies nationwide.
Company press releases and press coverage (Nikkei, Bridge) report a 210 million yen pre-Series A raise from investors including Yamato Holdings and Gurunavi, intended to expand craft beer sales channels; the company states cumulative funding thereafter exceeds 300 million yen.
The company published pricing for liquor retailers, enabling bulk purchasing of products from 300 breweries, stating an aim to become Japan's No. 1 alcohol wholesaler.
Launch of a keg return service for platform-using venues in cooperation with Yamato Transport, requiring no waybill preparation or bundling and accepting returns from a single keg, reducing keg return shipping costs by up to 70%.
Two limited-release beers made with coffee and tea were launched ahead of Valentine's Day and White Day.
Dated company events from announcements, filings, and press; legal rows summarize public dockets and regulator releases.
In the news
▸Research sources · 8
primary sources listed
- Best Beerbestbeerjapan.com · web
8 public sources were cited for this profile; the first-party ones are listed here.
Frequently asked questions
- What does Best Beer do?
- Best Beer Japan runs a B2B online wholesale platform plus keg rental, keg return and inventory software for Japan's craft beer industry.
- Who founded Best Beer?
- Best Beer was founded by Peter Rothenberg.
- Who are Best Beer's investors?
- Best Beer's investors include Global Brain, NOW Japan.
- Where is Best Beer headquartered?
- Best Beer is headquartered in Asaka, Saitama, JP.

