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SignalWire is a cloud communications platform offering a suite of powerful APIs and SDKs that enable developers to build advanced voice, video, and messaging applications. Founded by the creators of FreeSWITCH, the leading open-source telephony engine, SignalWire empowers businesses to integrate sophisticated, scalable, and customizable real-time communication features into their products and services. They focus on providing developers with unparalleled control and flexibility, offering both low-level primitives and high-level application building blocks for various use cases, from programmable voice and SMS to complex video conferencing and AI-driven communication workflows.
The Tempe headquarters serves as the central hub for core leadership, engineering, product development, sales, marketing, and administrative operations.
Located in a modern commercial district, the office likely features contemporary design focused on fostering collaboration and innovation. Specific architectural details are not widely publicized.
SignalWire's work culture emphasizes innovation, agility, and a developer-first approach, stemming from its deep roots in the open-source community with FreeSWITCH. It encourages collaborative problem-solving and technical excellence.
The headquarters is significant as the operational core for the creators of FreeSWITCH and the driving force behind SignalWire's cutting-edge communication technologies, shaping the future of real-time interactions.
SignalWire supports a global customer base with its cloud communication platform, enabling developers and businesses worldwide to integrate voice, video, and messaging capabilities. Their infrastructure is designed for global reach and reliability, supporting international numbering, worldwide call routing, and messaging to numerous countries. While their physical headquarters is in the US, their services and support cater to a global audience, often with a distributed team presence in various regions.
90 E Rio Salado Pkwy, Ste 402
Tempe
AZ
USA
Address: Not Applicable (Primarily Remote Workforce)
To foster a flexible work environment, attract top talent from around the world, and maintain a global operational capability for its cloud communication services.
Highperformr Signals uncover buying intent and give you clear insights to target the right accounts at the right time — helping your sales, marketing, and GTM teams close more deals, faster.
As of April 2025, SignalWire' leadership includes:
SignalWire has been backed by several prominent investors over the years, including:
No major executive team hires or exits have been publicly announced through widespread news channels in the last 12-18 months. The core leadership team, including key C-suite appointments like the CMO in early 2023, appears stable.
Discover the tools SignalWire uses. Highperformr reveals the technologies powering your target accounts — helping your sales, marketing, and GTM teams prioritize smarter and close faster.
SignalWire commonly uses the [first_initial][last]@signalwire.com email format. Other potential formats might exist but this is a frequently observed pattern for technology companies.
[first_initial][last]@signalwire.com
Format
jdoe@signalwire.com
Example
90%
Success rate
Business Wire • May 16, 2024
SignalWire announced the general availability of its AI Agent for Voice, a new tool enabling developers and businesses to easily integrate advanced conversational AI into their voice applications. This leverages natural language understanding and real-time responses to create more human-like interactions....more
SignalWire Blog • November 2, 2023
SignalWire announced its inclusion in the 2023 Gartner Magic Quadrant for Communications Platform as a Service (CPaaS) for the second consecutive year. This recognition highlights SignalWire's innovative solutions, completeness of vision, and growing market presence in the CPaaS industry....more
SignalWire Blog • May 10, 2023
SignalWire announced the release of Playopenly, a new open-source, fully customizable video conferencing application. Built on SignalWire's powerful SDKs, Playopenly offers developers complete control to build and brand their own video meeting experiences....more
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