TOPO Research and Advisory | 6,401 followers on LinkedIn. TOPO is now Gartner. United, we equip sales and marketing executives to achieve repeatable, scalable revenue growth. | TOPO, a research and advisory firm that helped the world’s fastest growing companies accelerate growth, is now Gartner. United, we are the leading research and advisory firm that equips sales and marketing executives to achieve repeatable, scalable revenue growth. Follow us at Gartner for Sales and Gartner for Marketers.