Best B2B eCommerce Platforms for OneStock

Shopify is a comprehensive commerce platform designed for entrepreneurs and enterprises to launch and grow their retail businesses with ease. Users can build fully customized online stores or use pre-built themes, manage inventory, track orders, and accept payments both online and offline through Shopify POS. The platform provides powerful marketing tools like social media integrations, email marketing, and customer insights to boost sales and loyalty. Shopify also enables global selling with localized storefronts, flexible payment options, and efficient shipping solutions. Developers benefit from extensive APIs and tools to create custom apps, themes, and storefronts tailored to unique business needs. Shopify’s checkout experience converts shoppers 15% better than other platforms and supports millions of daily transactions with low latency. Regular feature updates through Shopify Editions keep merchants at the forefront of e-commerce innovation. Overall, Shopify empowers merchants to sell anywhere, anytime, with a trusted and scalable platform.

BigCommerce is an ecommerce platform built for businesses that want flexibility across storefront design, checkout, payments, product management, channels, and integrations. The platform supports a wide range of business models, including B2C, B2B, wholesale, multi-storefront, omnichannel, international commerce, headless commerce, and composable commerce. Merchants can build visually with drag-and-drop tools or use full API and code access when they need deeper customization. BigCommerce includes a customizable one-page checkout with digital wallets, one-click payments, buy now pay later options, and access to many payment providers. The platform also supports complex product catalogs, variants, bundles, restricted selling, age verification, compliance flows, subscriptions, and hybrid selling models. Businesses can manage multiple brands, regions, channels, and storefronts from one system. BigCommerce also offers services for migration, launch, solution architecture, implementation, data migration, technical account management, customer success, and growth support. Its ecosystem includes Feedonomics for syncing and optimizing product data across marketplaces, social commerce, and advertising channels, plus Makeswift for building visual web experiences with custom components. By combining open commerce infrastructure, storefront tools, checkout, payments, integrations, services, and AI-oriented commerce capabilities, BigCommerce helps brands grow without limiting how they sell.

Mirakl is an enterprise-grade commerce platform designed to help organizations build and scale online marketplaces and dropship ecosystems. It provides modular solutions that allow retailers and B2B companies to rapidly expand product assortment without carrying additional inventory. By connecting businesses to a vast network of sellers and suppliers, Mirakl enables scalable growth while maintaining operational control. The platform includes tools for catalog integration, payout management, retail media monetization, and unified inventory visibility. Mirakl Ads enhances revenue generation through AI-powered advertising capabilities that optimize onsite and marketplace media performance. With Mirakl Connect, brands and sellers can efficiently onboard, distribute catalogs, and access new sales channels from a centralized hub. Mirakl Nexus serves as a neutral infrastructure layer that connects commerce ecosystems to emerging AI agents and shopping platforms. It enables autonomous product discovery, transactions, and post-purchase workflows in the era of agentic commerce. The technology is built for reliability and scale, handling hundreds of millions of SKUs and API calls daily. As commerce shifts toward AI-driven decision-making, Mirakl delivers the data-rich marketplace foundation required for visibility, scalability, and long-term competitive advantage.

Create a cohesive and tailored omnichannel shopping journey for both customers and partners. Build enduring connections through advanced omnichannel retail solutions that enhance your brand identity. Ensure remarkable buying experiences by integrating physical stores, digital platforms, and backend operations into a single commerce platform. Allow customers the flexibility to choose when, how, and where they wish to shop—utilizing any device and engaging with all available online and offline retail avenues. Facilitate options for customers to make online purchases and either pick them up in-store or have them delivered to their homes through interconnected ordering and fulfillment systems. Effectively oversee promotions and discounts across every retail channel by leveraging precise, real-time data regarding omnichannel sales and costs. Equip B2B organizations and their users with the specialized tools and features necessary for efficient self-service purchasing experiences. By doing so, you can significantly enhance customer satisfaction and loyalty.