Sono (Closio Oy) is a Helsinki-based technology company building AI-powered phone assistants for customer service and sales
Sono (Closio Oy) is a Helsinki-based technology company building AI-powered phone assistants for customer service and sales. Its voice and text agents automate high-volume inbound and outbound customer interactions, including appointment booking, call routing, FAQs, payment reminders, collections, customer reactivation, and lead follow-up, integrating with customers’ existing systems. The company serves businesses across automotive, property management, real estate, finance and insurance, and is