Enabling the rapid creation of complex commerce applications

The Founders

The Big Wednesday IO team brings years of experience in advanced data structures and algorithms, data security and privacy, consumer advocacy, retail sales and B2B ecommerce. We used to help FTSE 500 companies solve their complex ecommerce and integration problems. Now, we're out to unleash powerful technology for businesses everywhere to use.

Contact Us

Our London office

20 Ropemaker Street, London EC2Y 9AR.

VAT Number: GB 219 5868 68


Big Wednesday IO enables businesses to create complex commerce applications rapidly by providing composable, developer-friendly APIs, intuitive modern management apps and data-backed personalisation...everywhere. Think beautiful code, great products and superb documentation.