Fifty5Blue

Fifty5Blue is a global leader in media measurement, audience analytics, and advertising intelligence. Formerly known as Kantar Media, the company rebranded after its acquisition by H.I.G. Capital in August 2025. Headquartered in London, Fifty5Blue operates in over 80 countries and employs around 4,500 to 5,000 people. It focuses on providing independent, hybrid cross-media audience measurement by combining audience panels with big data, supported by advanced technology and AI. The company offers a range of services, including audience measurement and analytics, consumer insights, and hybrid measurement solutions. These services help clients understand audience behavior, viewing habits, and advertising effectiveness across various platforms. Fifty5Blue serves a diverse clientele, including content owners, advertisers, agencies, and digital platforms, providing them with trusted data to inform their content strategies and advertising decisions. The company emphasizes clarity, independence, and innovation, continually investing in AI and advanced technology to enhance its offerings.