Convex Code is a professional web design and e-commerce business, headquartered in Edwardsville, Illinois. We work with individuals, organizations, small businesses, and more, and are proud to serve both local clients and clients from across the country.

We build great design

Custom Designs
Whether you want a professional looking business website or something that is uniquely you, we can create something for your specific need.
Full Featured
Your site can include forums, a blog of your own, a webstore, large scale databases, or even custom web applications using powerful APIs, and much more!
Responsive
Your site is designed from the start to work beautifully with a variety of devices, including laptops, phones, tablets, and more.