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Mio logo — Mio powers cross-platform communication across Google Chat,...

Mio

Mio powers cross-platform communication across Google Chat, Microsoft Teams, Slack, and Zoom Team Chat.

Founded 2015 United States Austin, United States 103 employees Pre-Seed Total: $19.15M IT Infrastructure, Messaging +1

General Information

Company Name Mio
Founded Year 2015
Location United States Austin, United States
Employees 103
Industries IT Infrastructure, Messaging, SaaS
Funding Stage Pre-Seed
Social

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About Mio

Mio is a middleware startup that enables cross-platform communication across Google Chat, Microsoft Teams, Slack, and Zoom Team Chat. It provides a secure solution for enterprise organizations using Google Workspace, Microsoft 365, Slack, or Zoom Team Chat, allowing seamless messaging, file sharing, and meeting initiation. Mio's native integration with Google leveraging API federation sets it apart in the market, offering a frictionless collaboration experience for employees scattered across different chat platforms. Notable enterprise clients such as Broadcom, G2, Farmers Insurance, and George Washington University trust Mio for bridging their cross-platform teams. Having raised $12m in funding, including a recent $8.70M Series A investment on 09 December 2021 from investors such as Cisco Investments, Y Combinator, and Zoom, Mio is making strong strides in the IT infrastructure, messaging, and SaaS industries. Founded in 2013 and headquartered in the United States, Mio stands as an official partner of Google, Cisco, and Zoom, positioning itself as a promising player in the middleware space. Learn more at https://m.io/.

Business keywords: Messaging, APIs, UCaaS, Unified Communications, Microsoft Teams, Slack, Team Collaboration, Interop, Interoperability, Federation, Google Chat, Google Workspace, Cross-platform communication, Middleware, Enterprise Collaboration

Funding Rounds & Investors (5)

View All
Funding Stage Amount Investors Lead Investors Date
Pre-Seed $2.20M 2
Fabric.vc, Topology.vc
15 Jul 2026
Series A $8.70M 3
Cisco Investments Y Combinator Zoom
Cisco Investments, Y Combinator +1
09 Dec 2021
Seed Round $5.75M 3
Two Sigma Ventures Eniac Ventures Goldcrest Capital
Two Sigma Ventures, Eniac Ventures +1
07 Mar 2018
Seed Round $2.50M 4
Khosla Ventures Eniac Ventures Four Cities Capital
Khosla Ventures, Eniac Ventures +2
17 Nov 2016
Venture Round Undisclosed -
22 Mar 2016

Latest News

View All
Paris-based Mio emerges from stealth with €1.9 million to build an AI colleague that lives inside Sl... — Eu-startups
Paris-based Mio emerges from stealth with €1.9 million to build an AI colleague that lives inside Slack
Eu-startups Jul 15, 2026

Mio Alternatives & Competitors

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Mio vs
MailClark (acquired by Brevo)
MailClark (acquired by Brevo) France

MailClark was the postman of Slack and MS Teams from 2016 to 2022 ∙ Acquired by Brevo (formerly Send...

Seed
1 employees
Messaging, SaaS
Mio vs
Rush sender
Rush sender The Netherlands

An omnichannel communications platform

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1 employees
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Mio vs
Hubgets
Hubgets United States

Cloud Unified Communications & Collaboration platform delivering the whole communication stack

5 employees
AI, Enterprise Software
View all alternatives

FAQ About Mio

Mio powers cross-platform communication across Google Chat, Microsoft Teams, Slack, and Zoom Team Chat.
Mio was founded in 2015.
Mio is headquartered in Austin, United States.
Mio operates in IT Infrastructure, Messaging and SaaS. Its work centres on Messaging, APIs, UCaaS and Unified Communications.
Mio has approximately 103 employees.
Mio has completed 5 funding rounds, raising a total of $19.15M. The latest funding stage is Pre-Seed.
Top alternatives and competitors to Mio include MailClark (acquired by Brevo), Rush sender, Hubgets, Chatway, Mattermost. These companies operate in related industries and serve comparable markets. You can compare them side by side on Bounce Watch.
Mio and MailClark (acquired by Brevo) are both companies in similar industries. Compare their funding, team size, growth signals, and market position on Bounce Watch to see which one fits your needs.

Source: BounceWatch company record for Mio, https://bouncewatch.com/company/mio, updated 15 July 2026. When citing, please name BounceWatch and link this page.

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