YC active company list audit

Mio

Mio: Mio powers seamless communication between workplace chat apps. Headquartered in Austin, TX, United States. Current operating status: active.

Oomira checked this YC company record against source evidence and keeps the current facts, observed dates, and provenance visible before the interactive app loads.

19 facts4 sources2 superseded claims

What changed in the audit

external name

Prompt -> Mio
2026-06-12 · yc-oss record id 997: field "former_names" includes "Prompt"

external name

Message.io -> Mio
2026-06-12 · yc-oss record id 997: field "former_names" includes "Message.io"

Summary: Mio powers seamless communication between workplace chat apps.
Description: Mio powers seamless communication between Slack, Microsoft Teams & Webex Teams. The Austin, Texas-based company was founded by Tom Hadfield and James Cundle in November 2015. M.io...
Website: https://m.io
Hiring: no
Headquarters: Austin, TX, United States
Operating status: active
Industry: B2B

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