What is a channel sales and also institutional sales?

Channel sales is an indirect form of selling where you are using a medium or a "channel" to sell something. You can find more info on the same here - http://www.dupee.com/brad_dupee_in_my_element/2007/11/channel-sales-i.html Institutional sales does not involve a channel. There is direct sales from one company to another, which is usually in large number or volume.