Great Guns Marketing – Marketing Automation & Lead Generation Experts We use the most advanced and sophisticated technology systems in the world to ensure you have a steady flow of sales leads and high quality face to face meetings. Our offices are located in the very heart of the town centre in Reading, Berkshire and we have a network of contacts around the Thames Valley area including Bracknell, Oxford, Newbury, Slough, Windsor and Swindon. Our purpose is to connect you with the right people at the right level at the right time.