OnChannel helps leading technology vendors to deploy co-marketing programs that deliver a competitive advantage Ð maximising the impact of your resources, extending the reach of your partner marketing and increasing sales. OnChannel is part of the Expandi Group and the worldÕs largest independent agency network focused on channel marketing and sales. The unique approach enables vendors to offer their channel business partners dedicated sales and marketing expertise and a comprehensive range of value-add services with increased efficiency and ROI visibility.