With Delivery On Demand you’re one step closer to connecting with local drivers. We’re ready to help you with all of your delivery needs. Our On-Demand service is fast, affordable and secure. Want the best way to provide your customers with a seamless ordering and delivery experience? Knock Knock Delivery charges a rate per delivery regardless the size of the order. Unlike other companies in the market, Knock Knock Delivery does not conduct hidden extra charges. Save money in labor, work comp, insurance, and much more.