Commerce21 Corporation
AcquiredTokyo, JP · 1 known investors
Commerce21 develops and sells e-commerce platform software (its "Sell-Side Solution" and SaaS-based "ECo2" products) and provides EC system integration, DX and cloud consulting, and data center operation services. It serves businesses building online commerce systems in Japan.
Also known as Commerce 21 Corp. · コマース21 · 株式会社コマースニジュウイチ
Founders & leadership
Investors · 1
Company profile
researched Aug 2026Commerce21 Corporation (株式会社コマースニジュウイチ) is a Tokyo-based software company that develops and sells e-commerce site-building software and delivers the surrounding consulting, system integration, and infrastructure services. Its stated activities are EC site construction software development and sales, EC site construction services including client consulting and in-house development, and data center operation and maintenance. The company builds tailor-made e-commerce sites capable of supporting millions of products, with tooling for product management, account management and inventory management.
The company frames its offering as a "Loyal Customer DX Solution," analyzing a client's business flow from raw material procurement through manufacturing, shipping, sales and service as a value chain, with the aim of accumulating and using data to raise customer lifetime value. A second service line covers technology consulting and SI, supporting clients from initial requirements definition through operation and maintenance. The company describes itself as a database design and development firm.
Published client case studies span apparel and accessories (AND ST Holdings, Art Deco, F・O・International), home centers (DCM Holdings), and sports and leisure retail (Golf Digest Online, Alpen), the latter involving membership integration and seamless shopping experiences across roughly 400 physical stores.
Founding story
Globis Capital Partners lists the company as founded in November 1999; Japanese corporate records give an establishment date of December 1999. A third-party company database instead states a 2000 founding in Tokyo and names Tamai Kunimasa as founder.
Business model
Commerce21 sells packaged and custom e-commerce site-building software together with the services required to implement and run it: consulting, requirements definition, system integration, development, and ongoing operation, maintenance and data center operation. Engagements are described as one-stop, spanning initial requirements definition through operation and maintenance, positioning the company as a dedicated technology consultancy for client organizations rather than a purely self-service product vendor.
Revenue derives from the development and sale of EC site construction software and from services: EC site construction and consulting projects, custom development, system integration, and data center operation and maintenance.
Traction
The corporate site reports system deployments at 12 of Japan's top 100 EC companies by sales, more than 300 large-scale domestic EC system implementations, and combined gross merchandise value of over 320 billion yen across EC sites running its systems, accumulated over more than 20 years of operation.
Latest developments
In June 2024 the company announced certification as an AWS Select Tier Services Partner, and in September 2024 it announced participation in DX Sogo EXPO 2024 AUTUMN. Subsequent site announcements cover year-end/new-year business hours (December 2025) and the publication of a media interview with the company's representative (May 2026). A Japanese startup database marked its research coverage of the company as concluded, last updated 6 November 2025.
▸Full profile — market position, technology, go-to-market, geography, history
Market position
The company describes itself as a long-standing player in Japanese large-scale e-commerce system implementation, citing deployments at 12 of the 100 largest domestic EC companies by sales and more than 300 large-scale domestic EC implementations. A third-party database places it in the retail / e-commerce technology and services sector alongside competitors including Shopify, Squarespace, Weebly, Webs, Nuvemshop and Jimdo.
The company positions its distinctive capability as converting consumers into loyal customers through customer-experience value creation and an LTV improvement cycle, branded the "Loyal Customer DX Solution," combining data accumulation and utilization, value creation and value-chain construction. It also emphasizes one-stop technology consulting and SI coverage from requirements definition through operation and maintenance, and a track record of large-scale EC implementations in Japan.
Technology
The company's software supports tailor-made e-commerce sites handling millions of products, with product management, account management and inventory management tools; third-party description also cites mobile support, real-time product updates, payment integrations, inventory dashboards and marketing tools. The company operates and maintains data centers, and holds AWS Select Tier Services Partner certification, reflecting cloud-based delivery alongside its consulting and SI practice.
Go-to-market
The company reaches customers through direct enterprise engagement, published client case studies, downloadable product catalogs and inquiry/document-request forms on its corporate site, seminar and trade-show activity (including DX Sogo EXPO 2024 AUTUMN and joint seminars with partners such as Senken Shimbun, Commerce Link, Socket, Emotion Intelligence and Digimiho), and technology alliance partnerships such as the agreement with BizteX and AWS Select Tier Services Partner certification.
Japanese enterprises operating large-scale online commerce, including apparel and accessory brands, home center chains, and sports and leisure retailers; named clients include AND ST Holdings, Art Deco, F・O・International, DCM Holdings, Golf Digest Online and Alpen. A third-party profile describes two packages, Premium for basic online portals and Enterprise for larger multi-product operations.
Geography
Headquartered in Tokyo, Japan, with offices listed at Sumitomo Seimei Nishi-Shimbashi Building 9F/10F, 1-10-2 Nishi-Shimbashi, Minato-ku, Tokyo. The business focuses on Japanese clients, with a stated intention to extend customer-experience work beyond national borders.
History
Globis Capital Partners records the company as founded in November 1999, while Japanese corporate data lists establishment in December 1999; a third-party profile cites a 2000 founding date. Globis Capital Partners made an initial investment in August 2008, announcing it on 30 September 2008, and exited in June 2016 via an M&A transaction with Yahoo Japan Corporation. In 2020 Estore Corporation acquired Commerce21 from Yahoo Japan, a transaction dated 1 February 2020 in one database. Shareholder records list LINE Yahoo Corporation, Globis Capital Partners, Eltex and E-Net Corporation among current and past shareholders. The company signed a technology alliance partner agreement with BizteX in March 2021, was certified an AWS Select Tier Services Partner in June 2024, and exhibited at DX Sogo EXPO 2024 AUTUMN. Its corporate site states more than 20 years of operating history since founding.
Compiled by commissioned research from 7 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 filingsCommerce21 announced its participation as an exhibitor at DX Sogo EXPO 2024 AUTUMN.
The company announced its certification as an AWS Select Tier Services Partner.
BizteX concluded a technology alliance partner agreement with Commerce21.
Estore, a Japanese e-commerce technology company providing integrated e-commerce, payment, marketing, customer management, product management and SEO solutions, acquired Commerce21 from Yahoo Japan. The transaction is dated February 2020.
Globis Capital Partners records its exit from Commerce21 Corporation in June 2016 through an M&A transaction with Yahoo Japan Corporation.
Globis Capital Partners recorded August 2008 as its initial investment in Commerce21 Corporation, announcing on 30 September 2008 that it had invested in the company, which develops and provides e-commerce software. The investment is categorized as a growth-stage deal, with Soichi Kariyazono as the involved member.
Dated company events from announcements, filings, and press; legal rows summarize public dockets and regulator releases.
▸Research sources · 7
primary sources listed
- Commerce21 Corporationcommerce21.co.jp · web
7 public sources were cited for this profile; the first-party ones are listed here.
Frequently asked questions
- What does Commerce21 Corporation do?
- Tokyo-based developer of e-commerce site-building software and EC system integration, consulting and data center services.
- Who are Commerce21 Corporation's investors?
- Commerce21 Corporation's investors include Globis Capital Partners.
- Where is Commerce21 Corporation headquartered?
- Commerce21 Corporation is headquartered in Tokyo, JP.