Exclusive: Fonio.ai hits $10M ARR after a year of 30% monthly growth

Fonio.ai has crossed $10 million in annual recurring revenue only a year after launching, while keeping monthly growth above 30%. The company now says it wants to reach €20 million to €30 million in ARR by the end of the year. For a startup that began in Vienna in autumn 2024, that is a very sharp climb.

The path to get there was unusually scrappy. Daniel Keinrath started selling before the product even existed, putting up a website for €200, spending €1,000 on Meta ads, and chasing every lead himself. In 14 days, he says he closed 10 deals with nothing but a PowerPoint and a promise that setup would take two to three months. After two rejections, he brought in Matthias Gruber to help build the product.

Fonio now has 81 people, up from just one employee in 14 months. It sells AI voice agents for customer calls and focuses on small and medium-sized businesses, not giant contact centres. Keinrath says the company has been growing so quickly that adding €1.5 million in ARR in a single month now feels normal, and the next target is higher again.

The product pitch leans on three things: voice quality, turn detection and latency, plus emotion recognition that adjusts tone and pacing. It also remembers returning callers and can pull up context such as a customer’s address and job history, as long as the business enables the GDPR-compliant feature. Fonio’s setup is native to European telephony, so customers can buy European numbers and run the agents inside the platform without external services like Twilio.

That focus is deliberate. Fonio says it does not want to fight for enterprise accounts against names like Parloa or PolyAI. Instead, it sees the SME market as its lane, and Keinrath says the enterprise side will increasingly be dominated by players like OpenAI. The company says it is already the market leader for AI phone agents among small and medium-sized businesses in the DACH region, serving nearly 10,000 customers.