Summit


Summit is a performance marketing agency built on a simple belief: great performance comes from clear strategy, continuous testing, deep retail expertise and people. As an independent specialist, Summit exists to create measurable value for clients, deliver industry-leading ROI and build long-term partnerships based on trust and results.

Over the past year, Summit and its technology arm Productcaster have driven more than $3bn in retail sales, worked with 39 of the top 500 retailers (RetailX) and managed over $500m in media spend. Client growth is powered by a test-and-learn mindset and proprietary tools including ProductTester and ProductMaximiser, developed with Innovate UK support and deployed across leading retail brands. Business momentum has been strong and consistent. Summit grew 36% in FY 2024–25 and is ahead of plan to grow a further 25% in 2025–26, supported by major new client wins and 100% retention across significant accounts, including renewals with Wickes, Silentnight, Ann Summers and Tommee Tippee. This performance has been recognised by industry and platform partners, including Prolific North and Google. At the heart of Summit is a high-trust culture that develops talent, promotes from within and combines leadership stability with ambition, delivering sustainable growth for retailers in a competitive