Liberty Global signs three-year strategic partnership with Sierra on customer service AI agents

AI agents will handle routine and more complex customer interactions across chat, voice and text, shifting more cases to human specialists.

Sierra was valued at $15 billion in a May 2026 funding round.

Liberty Global signed a three-year strategic partnership with conversational AI platform Sierra to roll out AI agents across its operating companies.

The deployment targets about 80 million fixed and mobile connections in Europe through a phased program, tailored by market and channel.