Sono (Closio Oy) is a technology company building AI-powered phone assistants for customer service and sales. Its solutions automate high-volume call tasks and integrate directly with customers' existing systems so customer contacts are handled quickly and without delays.
Investment Rounds
Capital activity and funding progression
| Amount | Date | Round |
|---|---|---|
| $1.5 M | Jun, 2026 | pre-seed |
Industries
Frequently Asked Questions
Where is Sono located?
Sono is located in Helsinki, Finland.
What industries does Sono operate in?
Sono operates in the following industries: voice AI, customer service, sales, artificial intelligence.
When was Sono founded?
Sono was founded on 2026-06-03.
Who are the investors in Sono?
The investors in Sono are: Maki.vc, Wave Ventures, Failup Ventures.