Trio Media – Digital Marketing Agency Leeds. Trio Media is a fully integrated digital marketing agency based in Leeds. We help SME’s increase sales through their websites with digital marketing campaigns that generate conversions. We do things differently; we focus on results and work closely with our clients to achieve them. If you’re looking for a digital marketing agency with a difference, contact us today. Voted top 3 web designs in Leeds for 2018 and 2019. Speak to us about our website design and development services, SEO, PPC, social media management and branding.