Funnel Theory is brought to you by WD a real UK based Sales Funnel Marketing Agency. We challenge traditional online sales platforms and techniques, we test, try and advise on how to skyrocket your online sales. Selling online is an ever-changing landscape, once only available to those with enough time and money to blow on software developers, designers and payment gateways is now possible for pretty much anybody who has a whacky idea and are able spin up a website and accept payments and orders for products and services of all shapes and sizes without breaking the bank or taking any major risks!