Customer support · Venture-backed

fonio.ai

Vienna-based AI phone and WhatsApp agents that answer business calls and conversations around the clock for SMEs.

$15Mannualized reported reported, not payment-verifiedWhat do these labels mean?

ARR (reported) · as of 2026-10-05 · Trending Topics (Oct 9 2026, reporting the CEO's Oct 5 announcement)

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Figure type

ARR (reported)

Founded

2024

Team

Founded autumn 2024 in Vienna by Daniel Keinrath and Matthias Gruber; 7,000+ customers and 70+ open roles (Trending Topics, Oct 2026)

Last verified

2026-10-26

What the agent does

Per Trending Topics (Oct 9 2026): fonio.ai 'betreibt KI-Agenten, die für Unternehmen rund um die Uhr Telefonate führen, inzwischen auch über WhatsApp' (runs AI agents that handle phone calls for businesses 24/7, now also over WhatsApp).

Business model

Subscription SaaS for small and mid-sized businesses (annual and monthly plans); enterprise edition via a T-Systems Austria partnership

Lessons for builders

Sells always-on call handling to SMEs, a segment that can't staff phones 24/7, then moved up-market through a telco partnership.
Discloses how it calculates ARR (subscriptions only, no pipeline), which makes the headline easier to compare.

voice-agent phone whatsapp smb europe venture

Founded 2024 · Team Founded autumn 2024 in Vienna by Daniel Keinrath and Matthias Gruber; 7,000+ customers and 70+ open roles (Trending Topics, Oct 2026)

Last verified 2026-10-26

Ownership checked 2026-10-26

Sourced metrics

Metric	Value	As of	Source	Checks
ARR reported	ARR up from $10M to $15M in 60 days, per co-founder/CEO Daniel Keinrath (company figure, not externally audited; ARR = annual subscriptions + monthly subscriptions x12, excluding pipeline and one-off revenue), as reported by Trending Topics	2026-10-05	Trending Topics (Oct 9 2026, reporting the CEO's Oct 5 announcement)	link OK

ARR reported

ARR up from $10M to $15M in 60 days, per co-founder/CEO Daniel Keinrath (company figure, not externally audited; ARR = annual subscriptions + monthly subscriptions x12, excluding pipeline and one-off revenue), as reported by Trending Topics

as of 2026-10-05Trending Topics (Oct 9 2026, reporting the CEO's Oct 5 announcement)

link OK

Machine-readable: /api/v1/businesses/fonio.json · Spot an error? Send a correction.

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