SignalWire

United States
Saxeville, Wisconsin, United States, 94303

Company profile

SignalWire company profile

SignalWire is redefining real-time communication by embedding AI into the very core of the telecom stack. Founded by the creators of FreeSWITCH, SignalWire advances the legacy of software-defined telecom by introducing the world’s first Programmable Unified Communications (PUC) platform. This unified, developer-centric solution replaces fragmented CPaaS, UCaaS, and CCaaS architectures. At the heart of SignalWire is a composable, global telecom infrastructure that empowers developers and enterprises to build real-time voice, video, messaging, and AI workflows without the complexity of managing hardware or stitching together brittle APIs. Through programmable resources like Rooms, Subscribers, Call Flows, and AI Agents, and the declarative scripting language SWML, SignalWire offers the power to build scalable, low-latency, omnichannel applications with unparalleled control. SignalWire’s mission is to make communication programmable, composable, and frictionless, enabling developers to own the experience without owning the infrastructure. By treating every participant, room, and AI agent as an addressable, routable resource, SignalWire delivers intelligent communications that are fast, flexible, and instantly deployable. With AI embedded directly in the media path, SignalWire’s AI Agents offer ultra-low latency voice interactions. These agents can act as full-fledged digital employees, handling intelligent intake, multilingual assistance, summarization, real-time translation, and RAG-connected support, all without third-party bolt-ons or added latency. SignalWire is a fully distributed, remote-first company, reflecting a philosophy built on adaptability, scalability, and developer empowerment. The same remote-first mindset that fueled the company’s growth is deeply embedded in the products, supporting a work-from-anywhere world with a flexible communication infrastructure ranging from startups to global contact centers. From infrastructure to interaction, SignalWire unifies it all.

Business identity

Contact email
[email protected]
Phone number
650.382.0000
Operating status
Active
Company type
For Profit
Employee range
51-100 employees
Revenue range
$0-$1M
Founded
2017-12-05

Headquarters

Postal code
94303
Country code
US
Continent
North America

Capital profile

Funding and company signals

Funding stage
Early Stage Venture
Funding rounds
5
Total equity funding
$41.6M
Last funding
Series B / 2022-03-23
Last equity funding
Series B
Investors
13
Lead investors
4
Founders
3
Articles
33

Founders and investors

Founders

Anthony MinessaleEvan McGeeSean Heiney

Lead investors

Prosperity7 VenturesStorm VenturesTelekom Innovation PoolT-Mobile Ventures

Investors

Prosperity7 VenturesSamsung NEXTSequoia CapitalStorm VenturesWVV Capital