How much funding has Signalwire raised?

Signalwire has raised $71.5M in total funding, most recently a Series B round.

Who are Signalwire's investors?

Signalwire's investors include Dean Drako, Prosperity7, Samsung Next, Jerry Yang, Storm Ventures, WVV Capital.

When was Signalwire founded?

Signalwire was founded in 2017.

Where is Signalwire headquartered?

Signalwire is headquartered in Palo Alto, California, Remote.

What industry is Signalwire in?

Signalwire operates in Developer Tools, Telecommunications, Broadcasting.

How many employees does Signalwire have?

Signalwire has 51-200 employees.

Signalwire

Build and Extend Your Voice AI Applications

Palo Alto, Remote · Founded 2017 · $71.5M raised

Developer Tools

Telecommunications

Broadcasting

Headquarters: Palo Alto, California
Employees: 51–200
Founded: 2017
Business Model: B2B

Website: signalwire.com
Total Funding: $71.5M
Last Round: $30.0M Series BMar 2022
Rounds: 4

About

SignalWire is a programmable unified communications control plane that orchestrates voice, messaging, video, and AI interactions in real-time. Founded by the creators of FreeSWITCH, it provides developer-first APIs and SDKs enabling businesses to build ultra-low latency voice AI agents, contact centers, and real-time communication applications. The platform owns its full telecom infrastructure, delivering sub-500ms response times without third-party dependencies.

Summary

Signalwire is a Developer Tools company based in Palo Alto, Remote, founded in 2017. It has raised $71.5M in total across 4 rounds, most recently a $30.0M Series B round in Mar 2022. Investors include Dean Drako, Prosperity7 and Samsung Next.

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