About us. Retail Dimensions, Inc. has grown from a 2002 startup company in the Pacific Northwest to being a respected global leader of eCommerce integration services by staying true to the vision and core values. At Retail Dimensions you will be serving clients on six continents and over 20 countries. Since 2003, we have connected over 1,500 retailers POS systems to various e-commerce platforms. As the acknowledged leader among our partner and cu...