What really sets Sero apart from other agencies is our superior customer centric focus, our long-term, highly trusted professional partner ethos and above all owning the entire end-to-end project. E-commerce is not just about building a website. E-commerce today is selling on multiple online platforms. Sero offers you a complete Retail Management Solution so you can sell on your website, Mobile Apps, POS, Amazon, eBay, Facebook, Instagram, LinkedIn and Twitter managing common inventory across all platforms.