Havas CX helia
Advertising ServicesEngland, United Kingdom51-200 Employees
Havas CX helia is Havas UK's specialist agency for customer engagement and data, operating as part of Havas CX, the customer experience division of the global Havas network. Based in London and Cirencester, with a London office at 3 Pancras Square, the practice blends data, technology, strategy, and creativity to foster engagement across the full customer journey. Drawing on its CRM and loyalty heritage, it aims to build durable relationships between brands and their customers. It serves brands within the Advertising Services industry, helping them connect with customers and strengthen loyalty through integrated experiences. Havas itself is one of the world's largest global communications groups, founded in 1835 by Charles-Louis Havas; CX helia sits within that network, positioned to leverage its scale and history. In December 2025, Havas Media Group announced the acquisition of Unnest, a French data consulting and engineering firm, reflecting ongoing network expansion.