What Commerce21 does

Commerce21 Corporation is a Tokyo-based e-commerce platform vendor founded in December 1999 that builds and operates large-scale EC systems for Japanese enterprises. The company serves more than 300 enterprise clients across fashion and apparel, sporting goods, home center retail, beauty, publishing, telecommunications, and B2B commerce, with named references including Adastria, Alpen, GDO, Mizuno, DCM Holdings, Komehyo, Magaseek, Kodansha, and au online shop. Commerce21's systems process a cumulative transaction volume exceeding ¥320 billion across these deployments, and 12 of the top 100 Japanese EC companies by sales run on the company's Sell-Side Solution. The company operates under a "Royal Customer DX Solution" consulting methodology that combines data accumulation, value chain analysis, and lifecycle marketing to convert one-time buyers into repeat customers.

The core product portfolio consists of two platforms. The first, 3S (Sell-Side Solution; formerly Commerce21 Sell-Side Solution), is a Java-based, microservice-oriented EC site construction package licensed to large enterprises, with source code disclosure (excluding core architecture) for deep customization, support for PostgreSQL and Oracle databases, Spring Boot framework, and deployment on AWS infrastructure (EC2, ECS, EKS, Lambda, S3, CloudFront, Auto Scaling) defined via CloudFormation IaC. The second, ECo2 (エコツー), launched in April 2021, is a SaaS-type full-managed EC platform with auto-scaling that bundles approximately ¥1M/month worth of standard tools (security, image optimization, form analytics, CRM, advertising automation, monitoring) and targets mid-market EC operators with annual sales of ¥9–30 billion. Additional offerings include API-EXPRESS (headless commerce license for native apps and CMS), B-Space (Yahoo! Shopping engagement tools), and the BizteX technology alliance integrating cloud RPA and iPaaS for EC operations automation.

Commerce21's business model blends one-time/recurring license revenue (3S custom projects, typically multi-year contracts with competitive total cost of ownership), SaaS subscription revenue (ECo2 monthly), and professional services revenue (DX consulting, cloud infrastructure setup, data center operations and maintenance). Pricing is quote-based and not publicly disclosed, with ECo2 positioned as a more accessible entry point than the customized 3S package. Go-to-market is direct enterprise field sales with dedicated account teams, supported by an SEO-optimized corporate site, participation in major Japanese EC and retail trade shows (e-commerce fairs, DX Comprehensive EXPO, Retail Tech Japan, Interop Tokyo), CTO-authored thought leadership columns in Nihon Keizai Shimbun, and a 40+ partner ecosystem of payment, CRM, marketing automation, logistics, and infrastructure providers. The company is a consolidated subsidiary of E STORE Corporation (TSE-listed) since January 2020, holds ISMS/ISO 27001 certification since 2011 and AWS Select Tier Service Partner status since June 2024, and received growth capital from JGIA in September 2025.

Name

Commerce21

Legal name

株式会社コマースニジュウイチ (Commerce21 Corporation)

Website

https://commerce21.co.jp

Company type

Private

Founded year

1999

Operating status

Operating

Headcount range

11–50 employees

Short description

Tokyo-based Commerce21 builds and operates Java/microservices-based e-commerce platforms for 300+ Japanese enterprises, including 12 of the top 100 EC companies. It sells the 3S custom-licensed package, the ECo2 SaaS platform, and Royal Customer DX consulting, and is a subsidiary of TSE-listed E STORE.

Ownership category

akta.pro rank

Product category

E-Commerce Platform Software

NAICS

Software Publishers (5132), Custom Computer Programming Services (541511)

SIC

Services-Computer Programming, Data Processing, Etc. (7370), Services-Computer Programming Services (7371)

akta.pro primary industry

Marketplace Enablement, Seller Tools & E-commerce Infrastructure (BPAMAGAK)

Keywords

• Enterprise ecommerce platforms
• SaaS EC solutions
• Headless commerce software
• B2B ecommerce systems
• DX consulting services

Headquarters

HQ city

Tokyo

HQ country

Japan

HQ region

Asia

Offices2 records

Markets served

GTM type

B2B

Offering type

Software

Cost components

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

Revenue model

1. DX Solution Consulting: DX consulting services focused on customer experience value creation and loyal customer (royal customer) conversion strategies, analyzing client business value chains from raw material procurement through to sales and service delivery.
2. EC System Construction Services: End-to-end EC site build-out services including consulting, requirements definition, design, development, and ongoing operational support using the proprietary Sell-Side Solution platform.
3. Sell-Side Solution (3S) Package License: Licensing of the Commerce21 Sell-Side Solution EC site construction package for large-scale enterprises. Source code is disclosed to clients (except core architecture) enabling customization. Sold as project/customized license with customization as the primary value delivery.
4. ECo2 SaaS Platform Subscription: Monthly subscription SaaS EC platform service (ECo2) offering full managed infrastructure with bundled standard tools, positioned for mid-to-large scale EC operators (targeting EC annual sales of 9-30 billion yen range).
5. Cloud Solution Consulting: AWS-based managed services including infrastructure construction, monitoring, and operational support for EC systems.
6. Data Center Operations and Maintenance: Ongoing data center operations and maintenance services for EC systems.

Pricing tiers

Go-to-market motion1 record

Distribution channels4 records

Marketing channels8 records

Core offering

Commerce21 develops, licenses, and operates proprietary e-commerce platform software for large Japanese enterprises and mid-market EC operators. Its primary offerings are the 3S (Sell-Side Solution) enterprise EC construction package and the ECo2 SaaS full-managed EC platform, supported by DX consulting, technical implementation, and ongoing managed/cloud services. The company focuses on converting consumers into repeat (royal) customers through platform capabilities and consulting.

Product overview

Commerce21 operates a dual-core product portfolio for e-commerce: 3S (Sell-Side Solution) is a Java-based, enterprise-scale licensed package system for large EC sites with microservice architecture, offering source code disclosure for deep customization; ECo2 (エコツー) is a SaaS-type full-managed EC platform targeting mid-market sellers (¥900M–¥3B annual EC sales) with auto-scaling on cloud infrastructure and ~¥1M/month worth of standard bundled tools. Both are supported by the Royal Customer DX Solution consulting practice, which provides strategy and implementation services centered on converting consumers into repeat buyers. Additional offerings include the BizteX technology alliance for RPA/iPaaS integration, API-EXPRESS for native app/CMS licensing, and B-Space for Yahoo! Shopping engagement tools.

Differentiator

Problem solved

Functional benefit

Brands

• 3S (Sell-Side Solution): 大規模ECサイト構築・運用をサポートするコマース21のパッケージソリューション
• ECo2 (エコツー)
• ロイヤルカスタマーDXソリューション

Products and services

• 3S (Sell-Side Solution) Large-scale enterprise e-commerce site construction and operation support package. Java-based, microservice-oriented architecture, supports PostgreSQL/Oracle databases, Red Hat Enterprise Linux, and AWS deployment. Covers shop front-end (member registration, product display, ordering, promotions, news) and back-office (store management, merchandising, user management, payment processing, order-to-shipping). Source code is disclosed to clients (excluding core architecture) for deep customization. Licensed as a project-based perpetual contract.
• ECo2 (エコツー) SaaS-type full-managed EC platform service built on cloud infrastructure with auto-scaling. Targets mid-market EC businesses with annual online sales in the 9-30 billion yen range. Features full-managed infrastructure, 100+ standard bundled tools, agile development methodology, and continuous version updates. Monthly subscription pricing model.
• Royal Customer DX Solution DX consulting solution focused on converting consumers into repeat (royal) customers through customer experience value creation and LTV improvement cycles. Analyzes client business as a value chain from raw material procurement through manufacturing, shipping, sales, and service. Combines data accumulation/utilization, value creation, value chain construction, and royal customer conversion capabilities as Commerce21's core consulting methodology.
• API-EXPRESS Native app/CMS license for the Sell-Side Solution platform providing EC functions bundled for native app and CMS integration. Enables headless commerce deployments where the Commerce21 EC engine powers native mobile apps and external CMS front-ends. Limited-time promotional license originally.

Quantifiable outcome

• 12 out of Top 100 domestic EC companies by sales in Japan use Commerce21 platforms
• +11 more outcomes

Named customers30 records

Segments5 records

Ideal customer profiles3 records

Technology focussed Yes

API detail

Has API

Yes

API docs

API detail

Core technology

AI maturity

App detail

Integration51 records

AI capability3 records

Feature8 records

Partnerships

Nine partnerships are on record, tiered flagship, core and minor.

• 株式会社日立物流flagshipStrategic or Co-development Partner · 4 June 2021Commerce21 co-hosted a free online seminar with Hitachi Transport System (now Logisteed) focused on EC logistics challenges and solutions for beauty and cosmetics industry. Jointly presented by Commerce21 (EC front-end systems) and Hitachi Logistics (logistics and supply chain expertise) to address EC business growth challenges.
• ECo2 Partners (Multiple Companies)coreTechnology or Integration · 20 April 2021Commerce21 established business partnerships with six companies to provide standard integrated tools within the ECo2 SaaS platform: Iroba (BLUE Sphere WAF security), Web Technology (SmartJPEG image optimization), F-Code (f-tra EFO form optimization), Shinable (EC Intelligence CRM), Shirofune (advertising automation), and Hatena (Mackerel monitoring). Each partner's service is bundled as a standard ECo2 feature under the 'for ECo2' branding.
• BizteX株式会社coreTechnology or Integration · 3 February 2021Commerce21 entered a Technology Alliance Partner contract with BizteX to jointly develop a new PaaS-type EC solution. The partnership integrates Commerce21's EC solutions with BizteX's cloud RPA (BizteX cobit) and iPaaS (BizteX Connect) platforms to enable automation of EC business operations including inventory management, order processing, and fulfillment workflows.
• ビズネット株式会社flagshipStrategic or Co-development Partner · 9 October 2019Commerce21 co-presented at a Nikkei MJ Forum on B2B EC alongside Biznet Corporation, a leading B2B EC platform operator. Biznet's external catalog linkage service achieved 200%+ continuous YoY growth. The partnership showcases a joint B2B EC success story driving digital transformation in B2B distribution.
• Amazon PaycoreTechnology or IntegrationAmazon Pay is a standard integrated payment option available within Commerce21's Sell-Side Solution and ECo2 platforms, enabling merchants to offer checkout via Amazon accounts for frictionless purchasing.
• PGマルチペイメントサービス (GMO Payment Gateway)coreTechnology or IntegrationGMO Payment Gateway's PG Multi-Payment Service is integrated as a standard payment processing option in Commerce21 EC platforms, supporting credit card, convenience store, and other payment methods.
• NP後払い (Nissen Premium)coreTechnology or IntegrationNP Post-Pay settlement service integrated as standard payment option. As the #1 post-pay settlement service in Japan with 100 million+ cumulative users, NP Atobarai is natively supported in Commerce21 EC platforms.
• Yahoo! JapancoreTechnology or IntegrationCommerce21 has deep Yahoo! Japan integration including Yahoo! Shopping seller tools (B-Space crowding tools), Yahoo!送客連携サービス (CATS), Yahoo! Wallet standard integration, and Yahoo!プレミアム会員 targeted promotions. B-Space tools specifically developed for Yahoo! Shopping sellers are a proprietary Commerce21 product.
• 協業パートナー (Development / Sales Partners)minorImplementation/ SI/ Consulting PartnerCommerce21 operates a partner program for system development companies and agencies. Two models: (1) Sales intermediary partners who introduce clients and Commerce21 handles proposal and build-out, and (2) Development support partners who handle proposal and build-out for their own clients using Commerce21 frameworks. Customization support varies by track record.

Scale indicators5 records

Recent moves10 records

Expansion highlights6 records

Broad incumbents

• Salesforce Commerce Cloud: Enterprise-grade headless commerce platform from Salesforce, used by large global brands. Targets the same large-enterprise segment as Commerce21's 3S, with deeper integration into Salesforce's CRM/marketing stack — a credible incumbent threat for Commerce21's enterprise deals.
• Shopify: Global SaaS commerce platform increasingly localizing for the Japanese market. While not a direct custom-package competitor to Commerce21's 3S, Shopify competes head-to-head with ECo2 in the mid-market for hosted EC storefronts and represents the dominant global benchmark for SaaS commerce UX and app ecosystem.
• Rakuten Commerce: Rakuten Group's enterprise EC platform offering, bundled with the Rakuten ecosystem (payment, loyalty, marketplace). Represents a major Japan-headquartered incumbent that large enterprise prospects may consider as an alternative to Commerce21's 3S.

Direct peers

• futureshop: Japan-based SaaS EC platform targeting mid-market merchants, with strong customization and ASP-style feature set. Comparable to ECo2 in targeting Japanese EC operators in the ¥900M–3B annual sales band.
• BigCommerce: Headless SaaS commerce platform competing for mid-market and enterprise merchants. Comparable in targeting mid-to-large EC operators with API-first, multi-channel storefronts — directly competes with ECo2 and increasingly with Commerce21's API-EXPRESS headless deployment.
• EC-CUBE: Japan-origin open-source EC platform with large domestic install base and active developer community. Competes with Commerce21 in the Japanese SMB and mid-market EC segment, particularly for cost-sensitive merchants willing to self-host and customize.
• Adobe Commerce (Magento): Open-source-derived customizable EC platform serving large enterprises with complex catalogs and customization needs — directly comparable to Commerce21's 3S Sell-Side Solution in architecture philosophy (customizable PHP/Java stack, source-code access for partners, enterprise SI ecosystem).
• MakeShop (GMO): GMO's hosted EC platform serving Japanese SMB and mid-market merchants with subscription-based pricing. A direct competitor in Japan's hosted EC platform category, with strong marketing reach and bundled payment/logistics.

Regional players

• BASE: Japanese SMB-focused hosted EC platform (now PayPay Group). While Commerce21's target is large enterprise and mid-market, BASE represents the Japan domestic EC platform competitive landscape and ecosystem maturity benchmark.
• ShopServe (E STORE): Sister platform under the same parent company E STORE, serving SMB merchants in Japan. While owned by the same parent, it occupies a different segment (SMB) than Commerce21's enterprise/mid-market focus, making it a portfolio-mate rather than direct competitor.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/commerce21.jpn
• LinkedInlinkedin.com/company/commerce21-corporation

Compliance2 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles9 records

Funding overview

Funding rounds1 record

Investors1 record

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 Commerce21