How logos help brands in engaging their customers

If you look at any brand or business organization you will realize that the first thing that comes in contact with you or with the customers is the brand’s or business organization’s logo design. That is that first thing we actually see and that is what engages us if the first place. Many brands and business organizations usually look for professional affordable logo design experts that can help them create logo designs that will allow these brands and business organizations to engage their target audiences or customers in the most effective way. What other tools can businesses use to engage their customers?