Yell, a privately owned company headquartered in Japan, operates as a tier 1 media tech buyer. Founded in 2020 and employing approximately 30 individuals, the company functions as a specialized Japanese human resources and organizational development firm. It provides "External Mentoring and Listening" for the corporate sector through its proprietary "YeLL" platform, which connects employees with external "Professional Listeners" to improve psychological safety, employee engagement, and leadership development.
On March 3, 2026, Yell highlighted that homeowners could face combined fines totalling £26,000 for breaching UK gardening laws, including regulations on hedge height, unauthorised tree work, and garden bonfires. Previously, on January 9, 2026, Yell provided advice from plumbing experts on ideal thermostat settings to reduce the risk of costly damage from frozen and burst pipes in cold weather. This followed earlier guidance published on November 24, 2025, from a plumbing expert explaining optimal heating usage, including an "18C rule," to maximize radiator efficiency as cold weather approached. Earlier, on November 3, 2025, Yell published an article exploring how artificial intelligence could streamline digital marketing feedback loops, featuring insights from a B2B journalist and digital agency founder.