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Insights

Cloud UCaaS Growth Target mid-market telecommunication and CX teams that are expanding programmable unified communications capabilities, leveraging SignalWire’s strong focus on CPaaS UCaaS CCaaS and Voice AI to upsell scalable cloud solutions.

Developer Toolkit Expansion Prospect organizations investing in open source and developer-first tools; position SignalWire’s Developer Voice Toolkit, Sigmond AI, and Agents SDK as accelerators for building custom voice AI apps and conversational experiences.

AI Powered Voice Capitalize on SignalWire’s recent Sigmond AI and no-code AI Agent Builder momentum to offer enterprises advanced voice assistants, automated workflows, and AI-driven contact center enhancements.

Open Source Affinity Leverage familiarity with FreeSWITCH heritage to engage engineering-led buyers seeking customizable, low-friction cloud communications platforms with robust community and open tooling.

Data-Driven ROI Highlight rapid time-to-value and reliability for cost-conscious operators by emphasizing cloud-native architecture, low maintenance compared to DIY stacks, and potential savings from hosted voice infrastructure and analytics tooling.

SignalWire Tech Stack

SignalWire uses 8 technology products and services including Podsights, Snyk, Sketch, and more. Explore SignalWire's tech stack below.

  • Podsights
    Advertising
  • Snyk
    Application Security Testing
  • Sketch
    Design
  • HTTP/2
    Miscellaneous
  • Google Tag Manager
    Tag Management
  • Brex
    Travel And Expense Management
  • Bootstrap
    UI Frameworks
  • Google Analytics
    Web Analytics

Media & News

SignalWire's Email Address Formats

SignalWire uses at least 1 format(s):
SignalWire Email FormatsExamplePercentage
First.Last@signalwire.comJohn.Doe@signalwire.com
81%
First@signalwire.comJohn@signalwire.com
13%
Last@signalwire.comDoe@signalwire.com
4%
FLast@signalwire.comJDoe@signalwire.com
2%

Frequently Asked Questions

What is SignalWire's phone number?

Minus sign iconPlus sign icon You can contact SignalWire's main corporate office by phone at
+1-650-382-****
. For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is SignalWire's official website and social media links?

Minus sign iconPlus sign iconSignalWire's official website is signalwire.com and has social profiles on LinkedInCrunchbase.

How much revenue does SignalWire generate?

Minus sign iconPlus sign icon As of July 2026, SignalWire's annual revenue is estimated to be $25M - $50M.

What is SignalWire's NAICS code?

Minus sign iconPlus sign iconSignalWire's NAICS code is 517 - Telecommunications.

How many employees does SignalWire have currently?

Minus sign iconPlus sign iconAs of July 2026, SignalWire has approximately 85 employees across 5 continents, including North AmericaEuropeSouth America. Key team members include Chief Architect: B. R.Vp Of Engineering: C. R.Founder And Coo/Cmo: S. H.. Explore SignalWire's employee directory with LeadIQ.

What industry does SignalWire belong to?

Minus sign iconPlus sign iconSignalWire operates in the Telecommunications industry.

What technology does SignalWire use?

Minus sign iconPlus sign iconSignalWire's tech stack includes PodsightsSnykSketchHTTP/2Google Tag ManagerBrexBootstrapGoogle Analytics.

What is SignalWire's email format?

Minus sign iconPlus sign iconSignalWire's email format typically follows the pattern of First.Last@signalwire.com. Find more SignalWire email formats with LeadIQ.

How much funding has SignalWire raised to date?

Minus sign iconPlus sign icon As of July 2026, SignalWire has raised $42M in funding. The last funding round occurred on Mar 23, 2022.

When was SignalWire founded?

Minus sign iconPlus sign iconSignalWire was founded in 2017.
SignalWire logo

SignalWire

TelecommunicationsCalifornia, United States51-200 Employees

SignalWire is a telecommunications company that provides cloud-based, programmable communications tools designed for developers and businesses. Its offerings aim to replace rigid, one-size-fits-all solutions with flexible capabilities for voice, messaging, and customer contact workflows, enabling faster customization and deployment.

The company traces its roots to the FreeSWITCH open-source project, which emerged from efforts to solve scalable call-center challenges the founders faced in building a service. Headquartered in Palo Alto, California, SignalWire is a mid-sized player focused on programmable unified communications. In 2025, SignalWire announced the launch of an open-source software development kit and reference application for next-generation communications and voice AI, reflecting ongoing expansion into developer tools.

Section iconCompany Overview

Phone number
+1-650-382-****
Website
signalwire.com
NAICS Code
517 - Telecommunications
Founded
2017
Employees
51-200

Section iconMedia & News

Section iconFunding & Financials

  • $42M

    SignalWire has raised a total of $42M of funding over 5 rounds. Their latest funding round was raised on Mar 23, 2022as a series_b.

  • $25M - $50M

    SignalWire's revenue is estimated to be in the range of $25M - $50M

Section iconFunding & Financials

  • $42M

    SignalWire has raised a total of $42M of funding over 5 rounds. Their latest funding round was raised on Mar 23, 2022as a series_b.

  • $25M - $50M

    SignalWire's revenue is estimated to be in the range of $25M - $50M

Company Leadership

  • Stylized image of a person
    B. R.
    Chief Architect
    Mobile Phone
  • Stylized image of a person
    C. R.
    Vp Of Engineering
    Mobile Phone
  • Stylized image of a person
    S. H.
    Founder And Coo/Cmo
    Mobile Phone
  • Stylized image of a person
    L. P.
    Architetto Soluzioni Capo
    Mobile Phone
  • Stylized image of a person
    C. G.
    Executive Vice President Of Operations
    Mobile Phone

Employee Directory

  • Stylized image of a person
    J. M.
    Director Of Finance And Logistics
    Mobile Phone
  • Stylized image of a person
    T. R.
    Director, Strategy And Partnerships
    Mobile Phone
  • Stylized image of a person
    M. N.
    Product Manager
    Mobile Phone
  • Stylized image of a person
    O. A.
    Advanced Technical Success Manager
    Mobile Phone
  • Stylized image of a person
    S. S. G.
    Technical Account Manager
    Mobile Phone

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