Best On-Premises B2B eCommerce Platforms of 2026

Now Commerce is a web-based B2B eCommerce portal seamlessly integrated with QuickBooks. It empowers wholesalers, manufacturers, and distributors to efficiently manage orders from their wholesale customers through a single, intuitive dashboard. As orders are received, they are automatically synchronized with QuickBooks, eliminating the burden of manual order entry. Compatible with both QuickBooks Desktop and QuickBooks Online. Now Commerce offers flexible modules that can be used independently or combined to craft a tailored B2B eCommerce solution. B2B CUSTOMER PORTAL - Allow your wholesale customers to conveniently place orders online. SALES REP PORTAL - Let your sales representatives enter orders online for their designated accounts and deliver exceptional customer service from any location. SHIPMENTS MANAGER - Efficiently dispatch shipment requests from QuickBooks to your 3PL provider or in-house shipping software, while also recording confirmations of completed shipments.

MarketStudio Suite is a Versatile Software offering Multi-Channel Product Marketing Portal for Product Manufacturers, Distributors & Enterprises. Offering Turnkey Solutions with Online Product Catalogs with eCommerce for B2B and B2C Enterprises in all Markets Worldwide. The Software and related services cover the following areas to provide a comprehensive Digital Commerce Solution. PIM Solutions - Product Information Management to organize and manage product content in one central repository. Catalog Automation - Tools and services to automate the management and publishing of Product Catalogs. Custom eCommerce Website - MultiChannel Marketing - Publishing product content across all relevant marketing channels such as eCommerce Website, Web Portals, Print/PDF, Emails and Market Exchanges. Print/PDF Publishing - Integrated Systems -

Rierino is the next backbone platform for high-growth ecommerce and digital transformation. It offers unlimited scale and flexibility to change, evolve, and expand your tech stack with its hypercomposable architecture. Every component is equipped with native intelligence features that automate, accelerate or support your decision processes. It is the optimal mix of Big Tech skills, startup agility and brains at a fraction of the cost and effort. With its immense adaptability, Rierino will complement and enhance your existing assets and not reinvent them. With an intuitive UI and real-time unified intelligence, Rierino allows you to manage everything from creating hyper-personal experiences to orchestrating omnichannel operations. With plug & play components that can be customized to meet your needs, you can create your ideal platform within weeks. We support your choice of deployment model, whether it's on-premise, private or public cloud.

WooCommerce is a powerful, open-source ecommerce solution that lets merchants build fully customizable online stores on the WordPress platform. Trusted by over four million stores globally, it offers unmatched flexibility to create unique brand experiences without the constraints of cookie-cutter templates. WooCommerce supports a vast library of extensions and themes that enable businesses to add specialized features and tailor their sites. With integrated tools for payments, shipping, marketing, and analytics, WooCommerce simplifies ecommerce management. The platform allows seamless multichannel selling—from websites to social media and marketplaces. Developers benefit from extensive APIs and resources for custom storefronts and apps. WooCommerce’s strong community and support system help merchants scale confidently. It’s ideal for businesses seeking complete control over their ecommerce presence.

OroCommerce is a B2B eCommerce platform that is Enterprise-grade and ready to handle any type of B2B business model. Our open-source approach, vibrant developer community, and tested security benefits make it easy to share code, increase product reliability, and offer greater security advantages, regardless of whether you want to deploy in the cloud, on-premise, or both.

Shopware is an open commerce platform powered Symfony 5.4 and Vue.js 2.6.1. It is used by many of the biggest brands, retailers, and manufacturers in B2C, D2C, and B2B sectors. It is supported by a large global community of developers, agents, and merchants. Shopware combines a headless commerce platform with digital experience management to create memorable shopping experiences that stay in the consumer's memory. Shopware is a digital commerce platform that allows customers to quickly and easily realize their potential growth, while also allowing them to be more flexible in dealing with difficult challenges. Shopware employs 400 people from its headquarters in Schoppingen in Germany and its US office located in New York City. It relies on a global network that includes 1,200 technology, sales and solution partners. Shopware offers customers access to more than 5,000 extensions and certified support through a community of hundreds of thousands.

CS-Cart Store Builder: Ready-to Go eCommerce Platform for SMBs, Manufacturers, and Wholesale Businesses. CS-Cart Store Builder handles 100,000+ products without customization. It allows you to create online stores for small to medium companies, manufacturers, and wholesalers. CS-Cart Store Builder software makes it easy to automate the purchasing process as well as the cooperation with purchasers. No more manual tasks! CS-Cart Store Builder allows you to create unlimited categories, import thousands of product in minutes, create product variants, and much more. Each product can be configured with over 45 parameters, including powerful quantity settings as well as discounts. CS-Cart Store Builder makes it easy to use and understand. Although the admin panel has many features, it is well-organized so you can easily navigate and manage your store. To set up your CS-Cart shop, you don't require programming skills. And it has a free version!

Bloomreach transforms the e-commerce landscape through personalization. Its innovative data engine consolidates real-time information about customers and products, enabling businesses to gain insights into true customer desires. By linking this insight across various channels, the e-commerce experience becomes boundless, adapting to customers’ evolving preferences as they shop. Powered by Loomi, Bloomreach's AI platform for e-commerce, this approach opens up countless new avenues for making purchases. The suite of Bloomreach products encompasses Engagement, a marketing automation tool; Discovery, an advanced e-commerce search solution; Content, a headless content management system; and Clarity, which offers AI-driven conversational shopping experiences. With numerous AI patents to its name, the company caters to a diverse array of global brands, including Williams-Sonoma, Bosch, Puma, and Marks & Spencer, illustrating its broad market impact. This comprehensive approach ensures that businesses remain competitive in a rapidly changing digital marketplace.

Red Technology is a UK-based ecommerce solutions provider and the developer of tradeit™, a cloud-hosted PaaS platform designed for complex B2B, retail, DTC and international commerce. Built for flexibility and scalability, tradeit™ enables organisations to launch new channels, replatform legacy systems and expand globally without compromise. Mid-market and enterprise businesses across manufacturing, distribution, retail and services use tradeit™ to manage multiple brands, regions and customer types in a single platform. Its mobile-first design ensures a seamless customer experience, while deep ERP and CRM integrations connect front-end and back-office operations. Core features include: Multi-site & multi-channel management from a single admin. Advanced B2B & B2C capabilities such as customer-specific pricing, catalogues and workflows. International commerce tools covering currencies, languages, taxation and fulfilment. Integrated CMS, PIM and marketing tools for promotions, loyalty schemes, subscriptions and email. Unified order and customer management with streamlined checkout, shipping and account services. The tradeit™ Mobile Application extends the platform with a branded, native-quality shopping experience for iOS and Android, deployed quickly via API. Rich in functionality, tradeit™ reduces reliance on third-party plug-ins, delivering greater stability, speed and scalability. Trusted by organisations with complex requirements, Red Technology helps clients drive conversions, strengthen mobile performance and achieve sustainable ecommerce growth.

Introducing a cutting-edge, headless eCommerce platform that fosters innovation and accelerates market entry while enabling you to create captivating customer experiences, enhance conversion rates, boost average order value, and minimize ownership costs. Achieve a reduction in your eCommerce infrastructure expenses by as much as 50% or more through elastic scaling solutions, resulting in a quicker return on investment within just 2-3 years. Expand your business without sacrificing speed, scalability, or performance. RETISIO Commerce equips contemporary retailers with essential tools: an intelligent e-commerce platform that provides unparalleled customer experience and exceptional business value. It features advanced functionalities that promote engaging shopping journeys, alongside optimized search and personalization through AI/ML-driven recommendations. Enjoy enhanced control over the product and content experience with an intuitive drag-and-drop WYSIWYG interface. Leverage the capabilities of retail-centric AI/ML innovations to scale your operations effectively. The RETISIO commerce cloud cultivates richer, more distinctive experiences across all digital touchpoints, ensuring that your brand stands out in a competitive landscape. By harnessing these innovative features, businesses can better meet the evolving demands of their customers, ultimately strengthening their market position.

Avanta is a B2B commerce platform that prioritizes ERP integration for manufacturers, industrial firms, and wholesalers. This innovative platform is tailored to address intricate B2B workflows, seamlessly linking digital sales, service, and after-sales operations directly to the ERP system. Differentiating itself from standard e-commerce platforms, avanta comes equipped with a robust suite of B2B functionalities right from the start, enabling businesses to enhance critical sales and customer support processes without the need for extensive customization. Furthermore, it is an open-source solution that can be implemented as SaaS, in the cloud, or on-premises. Primarily catering to mid-market and enterprise-level companies, avanta is especially beneficial in sectors like mechanical engineering, plant engineering, tooling, chemicals, industrial components, and packaging. The platform boasts a wide array of features, including B2B online shops, customer and service portals, PunchOut integrations (OCI / cXML), spare parts solutions, mobile applications, IoT automation, as well as integrated AI capabilities and bots, making it a comprehensive choice for businesses aiming to streamline their operations. Overall, avanta provides a holistic approach to B2B commerce, enabling companies to thrive in an increasingly digital marketplace.

Optimizely configured commerce is a SaaS-based, headless and composable ecommerce platform. It helps manufacturers and distributors scale ecommerce growth by using as much OOTB functionality or as little as they like. This saves organizations time and energy to deploy meaningful buying experience that generates revenue. Configured Commerce allows customers to: Upload their product catalog to manage product data -Use the best-of breed commerce modules directly OOTB -Deliver personalized content, campaigns, and promotions -Achieve sales and enterprise scale -Build relationships through order management and B2B sales