Lumen, a privately owned UK company founded in 2013, provides ad measurement and verification services. Employing approximately 60 people, the firm utilizes eye-tracking technology to analyze consumer attention and inform media buying strategies and creative improvements. In 2023, Lumen reported revenues of approximately $10 million.
Lumen Research partnered with Ocean Outdoor to publish "The Attention Dividend" on June 11, 2025, a study revealing that premium large-format Digital Out of Home (DOOH) advertising garners up to 5.1 times more attention than online digital formats. A separate study, "Attention Advantage," released in collaboration with Snapchat and WPP Media, used over 3000 Indian participants to demonstrate how genuine visual attention improves brand outcomes compared to traditional digital metrics. Additionally, Lumen Research provided eye-tracking data for Dentsu, which integrated this data into its media planning system for the Co-op Media Network in the UK. Finally, Lumen Research and TVision published aggregated eye-tracking data from three years, identifying the top fifty Christmas advertisements in the UK that best captured audience attention in 2025; Aldi, The National Lottery, and McDonald's were highlighted as top performers.