About SignalWire
SignalWire is a company based in Palo Alto (United States) founded in 2017 by Anthony Minessale. It operates as a SaaS (Software-as-a-Service) and API-as-a-Product. SignalWire has raised $41.8 million across 4 funding rounds from investors including T-Mobile, T Capital and Prosperity7 Ventures. SignalWire offers products and services including AI Agent API, Voice API, Messaging API, and Video Conferencing API. SignalWire operates in a competitive market with competitors including RingCentral, Dialpad, Fuze, Webex and Zoom, among others.
- Headquarter Palo Alto, United States
- Founders Anthony Minessale
- SectorsTechnology
- Website category Computers Electronics and Technology · Telecommunications
- Email••••••••
- Phone•••• ••••
- Website signalwire.com
- Social LinkedIn X Facebook YouTube
- Legal Name Signalwire Inc.
- Total Equity Funding$41.8M (USD)
in 4 rounds
- InvestorsT-Mobile
& 10 more
Products & Services of SignalWire
SignalWire offers a comprehensive portfolio of products and services, including AI Agent API, Voice API, Messaging API, and Video Conferencing API.
AI-driven voice agents are built for real-time interactions.
Voice communication solutions are provided for scalable applications.
Messaging services are enabled for seamless user engagement.
Video conferencing tools are offered for virtual meetings.
Apps and channels of SignalWire
its YouTube channel SignalWire has 932 subscribers and 30 videos.
Videos from SignalWire
The most watched videos on SignalWire's YouTube channel, SignalWire (932 subscribers). Click a video to play it here.
More on SignalWire.
Funding Insights of SignalWire
SignalWire has successfully raised a total of $41.8M across 4 strategic funding rounds. This substantial capital infusion reflects strong investor confidence in the company's business model, growth potential, and market opportunities. The funding enables strategic expansion, product development, market penetration, and operational scaling to drive long-term value creation and competitive advantage.
- Total Funding $41.8M
- Total Rounds 4
- First Round $300,000
(Mar 2018)
- Investors Count 11
All 4 funding rounds of SignalWire with amounts and investors; the two latest post-money valuations are shown, the rest are part of the premium plan.
| Date | Amount | Transaction Name | Valuation | Lead Investors | Investors |
|---|---|---|---|---|---|
| Jan 2022 | – | Series B | – | T-Mobile | – |
| Jun 2021 | $30M | Series B | – | Prosperity7 Ventures | |
| Aug 2019 | $11.5M | Series A | – | Storm Ventures | |
| Mar 2018 | $300,000 | Seed | – | – | – |
10 investors in total: 7 institutional and 3 angel.
Investors in SignalWire
SignalWire has secured backing from 10 investors, including institutional, venture fund, and angel investors. Prominent investors backing the company include T-Mobile, T Capital and Prosperity7 Ventures.
| Investor | Description | Founded Year | Domain | Location |
|---|---|---|---|---|
Venture capital firm focused on multiple sectors | – | t.capital | Hamburg, Germany | |
Venture capital fund focused on enterprise tech, fintech, deep tech, AI, B2B, B2C, and medtech companies | – | prosperity7vc.com | Dhahran, Saudi Arabia | |
Venture capital fund investing in early-stage tech startups | – | samsungnext.com | Berlin, Germany | |
Venture capital fund focused on multiple sectors | – | stormventures.com | Menlo Park, United States | |
AME Cloud Ventures is focused on investing in data-driven technology companies. | – | amecloudventures.com | Palo Alto, United States | |
Sequoia Capital is engaged in venture capital investments. | 1972 | sequoiacap.com | - | |
Mobile telecommunication services, internet connections, and device sales are provided. | 1994 | t-mobile.com | Bellevue, United States | |
JY Jerry Yang | Co-founder of Yahoo!, prominent angel investor, and tech visionary. | – | unknown_9b477f5d3ffa4455a | - |
EY Erik Yankulin | Indian angel investor focusing on early-stage tech startups. | – | unknown_70d04c57711041f59 | - |
RN Ron Neuenberger | Angel investor focusing on Indian startups, tech enthusiast | – | unknown_5613c5c9418f466bb | - |
Investor details for SignalWire
The complete investor list, round-by-round participation and investor portfolios require an active premium plan.
- Complete investor list
- Round participation
- Investor portfolios
- Co-investor network
Verified entity values are shown only after access is granted.
People of SignalWire
36 people are tracked at SignalWire (13 in leadership, 23 in team).
| Name | Role | Group |
|---|---|---|
Anthony Minessale | Co-Founder & CEO | Leadership |
Evan McGee | CTO | Leadership |
Christopher Rienzo | VP Of Engineering | Leadership |
Kacy Bassignani | VP Of People Operations | Leadership |
Bryan Rite | Chief Architect | Leadership |
Brian West | Head Of Developer Experience | Leadership |
Catelyn Potter | Director | Business Operations & Strategy | Leadership |
Muriel Tardy | Head of Product | Leadership |
Jill Minessale | VP Finance And Business Success | Leadership |
Tom Rabstenek | Director, Strategy And Partnerships | Leadership |
Yael Davidowitz-Neu | Head Of Product Marketing | Leadership |
Chris G. | Executive Vice President Of Operations | Leadership |
Justin Ellis | VP Of Sales | Leadership |
Maryann Weyhmiller | Business Success Coordinator | Team |
Geoff Lanotte | Engineering Manager | Team |
Daniele L. | Technical Success Manager | Team |
Faruk Hossain | Lead Ruby On Rails Engineer | Team |
Giacomo Vacca | Senior Webrtc Engineer | Team |
Chris Grillone | EVP of Operations | Team |
Luca Pradovera | Architetto Soluzioni Capo | Team |
16 more people are available in the full profile.
Complete people profiles for SignalWire
Full employee and board profiles, team structure, tenure and professional contact details require an active premium plan.
- Full employee list
- Team structure
- Board tenure
- Professional contacts
Verified entity values are shown only after access is granted.
Timeline of SignalWire
3 dated milestones of SignalWire across 5 years, from founding to its latest funding, stage changes and deals.
- Founded SignalWire is founded.
- Funding First funding round of $300K.
- Funding Latest funding round, Series B,.
Competitors of SignalWire
SignalWire operates in a dynamic and competitive business environment, facing competition from various established players and emerging companies in the market. The competitive landscape includes prominent companies such as RingCentral, Dialpad, Fuze, Webex and Zoom, among others.
| Company Name | Domain | Founded | HQ Location | Total funding | Employees | Description |
|---|---|---|---|---|---|---|
| ringcentral.com | 1999 | Belmont, United States | $44M | 4,084 | Cloud-based unified communication solutions are offered to diverse sectors. | |
| dialpad.com | 2011 | San Ramon, United States | $475.91M | 119 | Cloud-based unified communication solutions including voice and video are provided. | |
| fuze.com | 2006 | Boston, United States | $542.81M | 771 | Fuze, under 8x8, Inc., is recognized for providing cloud-based communication and customer experience solutions. | |
| webex.com | 1995 | San Jose, United States | $25M | 26,200 | Solutions for virtual meetings and training sessions are provided. | |
| zoom.us | 2011 | San Jose, United States | $157.47M | 7,420 | Zoom is recognized for providing AI-first collaboration and communication solutions. | |
| skype.com | 2002 | Luxembourg | $26.81M | – | VoIP software for internet video chats and calls is offered. | |
| avaya.com | 2000 | Durham, United States | $400.88M | 1,337 | Cloud-based unified communication software is delivered for businesses. | |
| bluejeans.com | 2009 | San Jose, United States | $169.5M | 193 | Cloud-based video conferencing software is provided for user connections. | |
| vonage.com | 2001 | Holmdel, United States | $642.33M | 1,089 | Provider of contact center business communication solutions | |
| bandwidth.com | 1999 | Raleigh, United States | $21.89M | 1,939 | VoIP communication management is facilitated via a cloud-based enterprise platform. |
Detailed competitors of SignalWire
The full competitor set, operating metrics and side-by-side benchmarks require an active premium plan.
- Full competitor set
- Operating metrics
- Benchmarks
- Competitive positioning
Verified entity values are shown only after access is granted.
Web traffic of SignalWire
The website of SignalWire (signalwire.com) receives about 123.6K visits a month and ranks #217,184 among all websites worldwide, #1,437 in Telecommunications.
- Monthly visits123.6K
▼ 11.2% vs previous month
- Unique visitors45.1K
per month
- Global rank#217,184
among all websites
- Category rank#1,437
Computers Electronics and Technology · Telecommunications
- Bounce rate44%
- Pages per visit5.5
- Average visit3 min 54 sec
- DevicesDesktop 58% · Mobile 42%
Websites whose visitors overlap most with SignalWire. Affinity shows how closely the audiences match.
| Website | Domain | Audience affinity | Monthly visits | Global rank | Profile |
|---|---|---|---|---|---|
| commio.com | 100% | 10.4K | #2,706,894 | View details | |
| granitenet.com | 99% | 39.7K | #590,724 | View details | |
| virtualpbx.com | 99% | – | #1,368,019 | View details | |
| five9.com | 98% | 2.8M | #17,250 | View details | |
| callture.com | 97% | 680.7K | #1,420,426 | View details | |
| •••••••••• | ••••••.com | ••% | •.•M | #••••• | – |
| •••••••••• | ••••••.com | ••% | •.•M | #••••• | – |
| •••••••••• | ••••••.com | ••% | •.•M | #••••• | – |
All 40 similar websites and full traffic analytics for SignalWire
The complete similar-websites list, audience overlap and engagement analytics require an active premium plan.
- 40 similar websites
- Audience overlap
- Engagement analytics
- Traffic by brand
Verified entity values are shown only after access is granted.
Latest news on Signalwire
Complete news archive for SignalWire
Full article history, source details, and older brand coverage require an active premium plan.
- Full article archive
- Source and publication date
- Older coverage
- Brand-specific news history
Verified entity values are shown only after access is granted.
Similar companies to SignalWire
10 companies that operate in the same segment as SignalWire (Collaboration & Community Tools), ranked by their profile score on The Company Check.
| Company | Description | Founded | Location | Total funding | Revenue | Employees |
|---|---|---|---|---|---|---|
Cloud-based omnichannel communication and customer engagement platform is utilized. | 2008 | San Francisco, California, United States | USD 239.77 M | USD 5.07 B | 5,540 | |
AI-powered platform manages marketing creatives and customer journeys. | 1982 | San Jose, California, United States | – | USD 23.77 B | 30,710 | |
AI powered customer experience management software | 2001 | Pleasanton, California, United States | USD 344.39 M | USD 477.22 M | 1,531 | |
Product experience is managed through cloud-based analytics and feedback tools. | 2013 | Raleigh, North Carolina, United States | USD 468.19 M | – | – | |
Automated usability testing and feedback for mobile experiences is provided. | 2007 | San Francisco, California, United States | USD 148.5 M | USD 21.68 M | 557 | |
A cloud-based platform is utilized for creating customizable surveys. | 1999 | Palo Alto, California, United States | USD 694 M | – | – | |
AI-powered loyalty management software is offered for enterprises. | 2008 | Bengaluru, Karnataka, India | USD 239.1 M | USD 78.34 M | 571 | |
Cloud-based business process management suite solutions are delivered. | 2010 | San Mateo, California, United States | USD 872.56 M | USD 838.81 M | 4,400 | |
Real-time communication and conversational AI solutions are provided by Agora. | 2014 | Guangzhou, Guangdong, China | USD 55 M | USD 141.43 M | 608 | |
SaaS platform enables digital adoption and customer self-service. | 2013 | San Jose, California, United States | USD 265.51 M | USD 52.03 M | 836 |
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Frequently Asked Questions about SignalWire
SignalWire was founded in 2017 and raised its 1st funding round 1 year after it was founded.
SignalWire is headquartered in Palo Alto, United States. It is registered at Palo Alto, California, United States.
Anthony Minessale is the current CEO of SignalWire. They have also founded this company.
SignalWire is a funded company, having raised a total of $41.8M across 4 funding rounds to date. The company's 1st funding round was a Seed of $300K, raised on Mar 2018.
SignalWire is known for delivering a programmable unified communications platform with APIs for voice, video, messaging, and AI. Solutions are tailored for industries like contact centers, education, healthcare, and real estate. The platform is built on a fully owned telecom infrastructure, ensuring ultra-low latency and high scalability. Applications such as AI voice agents, real-time transcription, and interactive voice response systems are supported. Seamless integration with SIP, PSTN, and WebRTC is provided, catering to developers and enterprises seeking customizable communication tools.
SignalWire offers AI Agent API, Voice API, Messaging API, and Video Conferencing API.
SignalWire has 10 investors. Key investors include T-Mobile, T Capital, Prosperity7 Ventures, Jerry Yang, and Samsung NEXT.
SignalWire operates through Signalwire Inc..
The website of SignalWire receives about 124 thousand visits a month and ranks #217,184 among all websites worldwide.