# Fonio

Startup profile on Capital Atlas: https://capitalatlas.ai/startups/fonio

- Industry: Software
- Headquarters: Vienna, Austria
- Website: www.fonio.ai/
- Total disclosed funding: $37M
- Latest round: Seed (Oct 30, 2026)
- Investors on record: 7

## About

Based in Vienna, Austria and founded in 2024 by Daniel Keinrath (CEO) and Matthias Gruber, Fonio GmbH, provides AI telephone assistance solutions.In June 2026, Fonio GmbH raised USD 17 million in seed funding led by 20VC, with participation from 20Sales, Angel Invest Ventures, 10x.Group and Wecken & Cie. The seed funding values Fonio GmbH at USD 140 million post-money. Fonio specializes in providing AI-driven telephone assistance solutions tailored for the German-speaking market. Their flagship product automates incoming and outgoing calls, enabling businesses to streamline communications and enhance customer engagement without extensive human intervention. Key functionalities include handling customer inquiries, transcribing conversations, scheduling appointments, and seamless integration with existing systems such as CRM and calendars. The service is designed for a diverse range of clients, including customer service departments, secretarial services, and call centers, facilitating efficient operations for over 2,000 customers, primarily marketed in Europe with strict adherence to GDPR compliance. The company will use the June 2026 funding to expand into new regions by opening offices, develop additional communication channels, and expand its services.

## Funding rounds

- Seed, Oct 30, 2026, $16M — 20VC
- Seed, Jun 5, 2026, $17M — 10x.Group, Angel Invest Ventures, 20VC, Wecken & Cie., 20Sales
- Angel, Nov 2, 2025, $3.5M — Sequoia, 10x.Group, Angel Invest Ventures, another.vc, Wecken & Cie.

## Investors

- Sequoia (https://capitalatlas.ai/funds/sequoia) — Angel
- 10x.Group (https://capitalatlas.ai/funds/10x-group) — Angel, Seed
- Angel Invest Ventures (https://capitalatlas.ai/funds/angel-invest-ventures) — Angel, Seed
- another.vc (https://capitalatlas.ai/funds/another-vc) — Angel
- Wecken & Cie. — Angel, Seed
- 20VC (https://capitalatlas.ai/funds/20vc) — Seed
- 20Sales (https://capitalatlas.ai/funds/20sales) — Seed