BigCommerce is a cloud-based e-commerce platform that gives businesses the tools they need to set up and manage an online store.   

The platform includes a content management system (CMS), a commerce engine, a payment gateway, connections with shipping carriers and other third-party services, a mobile-friendly shop, and various marketing tools. BigCommerce is a scalable platform that can expand in tandem with a business. It is used by businesses of all sorts, from small startups to major multinationals.