When was SignalWire founded?

SignalWire was founded in 2017 and raised its 1st funding round 1 year after it was founded.

Where is SignalWire located?

SignalWire is headquartered in Palo Alto, United States. It is registered at 228 Hamilton Ave 3rd Floor Palo Alto, CA 94301.

Who is the current CEO of SignalWire?

Anthony Minessale of SignalWire. They have also founded 1 company.

How many employees does SignalWire have?

As of Jun 30, 2026, the latest employee count at SignalWire is 84.

Is SignalWire a funded 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 round, raised on Mar 22, 2018.

When was the latest funding round of SignalWire?

SignalWire's latest funding was a $***** Series B round on Jan 13, 2022, with participation from 1 investor. Its primary sector is PaaS. In United States, the PaaS sector has seen $1.41B in funding in 2026 to date.

Where does SignalWire rank among its competitors?

SignalWire ranks 57th amongst 1958 active competitors, of which 242 are funded. It stands 9th in terms of total funding among its competitors. The most recent competitor to raise funding was Vercel, which secured $300M in Sep, 2025.

Who are the top competitors of SignalWire?

SignalWire's top competitors include RingCentral, Vercel and Skype. Among them, Vercel secured the most recent funding round in September, 2025.

SignalWire - 2026 Company Profile, Team, Funding & Competitors

SignalWire is a series B company based in Palo Alto (United States), founded in 2017 by Anthony Minessale, Sean H and Evan McGee. It operates as a Provider of programmable unified communications platform delivering voice, video, messaging, and AI. SignalWire has raised $41.8M in funding from investors like T-Mobile, Storm Ventures and Prosperity7 Ventures. The company has 1958 active competitors, including 242 funded and 187 that have exited. Its top competitors include companies like RingCentral, Vercel and Skype.

Company Details

Provider of programmable unified communications platform delivering voice, video, messaging, and AI. The platform enables businesses to build contact centers, PBX, and cloud-based communications. It offers connectivity via SIP, PSTN, and WebRTC. The platform provides APIs for voice, video, messaging, and AI. It allows developers to build communications with developer-friendly markup verbs. The platform supports integration of AI-driven automation, call routing, and analytics.

Website: signalwire.com
Social
Email ID: *****@signalwire.com
Phone Number: +1 **********
Registered Address: 228 Hamilton Ave 3rd Floor Palo Alto, CA 94301

Key Metrics

Founded Year

2017

Location

Palo Alto, United States

Stage

Series B

Total Funding

$41.8M in 4 rounds

Latest Funding Round

Series B, Jan 13, 2022, $*****

Investors

T-Mobile & 15 more

Ranked

57^th among 1958 active competitors

Employee Count

84 as on Jun 30, 2026

Similar Companies

RingCentral & 2730 more

View SignalWire's full profile

SignalWire is associated with 2 legal entities given below:

Legal Entity Name	Date of Incorporation	Revenue	Latest Employee Count	Documents
SignalWire Inc. CIN: 82-4280113 , United States, Active	Dec 31, 2016	-	42 (As on Dec 31, 2020)	-
SignalWire, Inc. CIN: 20221673080 , United States, Active	Jul 11, 2022	-	-	-

SignalWire has raised a total funding of $41.8M over 4 rounds. Its first funding round was on Mar 22, 2018. Its latest funding round was a Series B round on Jan 13, 2022 for $*****. 1 investor participated in its latest round. SignalWire has 12 institutional investors and 4 angel investors.

Here is the list of recent funding rounds of SignalWire:

Filter this list

Date of Funding	Funding Amount	Round Name	Post-Money Valuation	Revenue Multiple	Lead Investors	Other Investors
Jan 13, 2022	5919004	Series B	3851765	9329373	2265677	5439497
Jun 02, 2021	2870584	Series B	6770534	2578168	3938988	T.Capital & 5 more
Aug 07, 2019	5492923	Series A	1563021	4745017	Storm Ventures	Erik Yankulin & 5 more

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View details of SignalWire's funding rounds and investors

The founders of SignalWire are Anthony Minessale, Sean H and Evan McGee. Anthony Minessale is the CEO of SignalWire.

Here are the details of SignalWire's key team members:

Anthony Minessale: Co-Founder & CEO of SignalWire.
Sean H: Former Co-Founder of SignalWire.
Evan McGee: CTO of SignalWire.
Contact Info: 1 email address

SignalWire's Board of Directors

SignalWire's board has 5 active members. Ryan Floyd, Sean Heiney, Daniel Carter, Jill Minessale and Anthony Minessale II are independent board members.

Here is the list of SignalWire's board of directors:

Name	Type	Representing	Status	Duration
Ryan Floyd	Independent board member	-	Current	6y 11m
wpmyclj	Independent board member	-	Current	1y 6m
rygasnm	Independent board member	-	Current	6y 5m
jhhiuli	Independent board member	-	Current	9y 5m
vevwhfn	Independent board member	-	Current	8y 9m

View details of SignalWire's Founder profiles and Board Members

SignalWire's employee count trend

SignalWire has 84 employees as of Jun 26. Here is SignalWire's employee count trend over the years:

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Top competitors of SignalWire include RingCentral, Vercel and Skype. Here is the list of Top 10 competitors of SignalWire, ranked by Tracxn score:

Rank	Company Details	Short Description	Total Funding	Investors	Tracxn Score
1st	RingCentral 1999, Belmont (United States), Acquired	Cloud based platform offering unified communication solutions	$44M	IVP, Tiger Global Management & 59 others	82/100
2nd	Vercel 2015, Covina (United States), Series F	Provider of cloud infrastructure and developer tools for web applications	$863M	Accel, GIC & 31 others	81/100
3rd	Skype 2002, Luxembourg, Acquired	VoIP Software application	$26.8M	Index Ventures, DFJ & 18 others	81/100
4th	Zoom 2011, San Jose (United States), Public	Cloud-based video conferencing software	$157M	AME Cloud Ventures, Emergence Capital & 17 others	81/100
5th	DigitalOcean 2011, New York City (United States), Public	Provider of cloud infrastructure, virtual machines, and managed database hosting	$174M	Access Industries, Andreessen Horowitz & 46 others	80/100
6th	Dialpad 2011, San Ramon (United States), Series F	Provider of AI-powered contact center and unified communications platform solutions	$476M	Google Ventures, ICONIQ Growth & 43 others	79/100
7th	Agora 2014, Guangzhou (China), Public	Cloud based customer engagement platform	$55M	Coatue, Morningside & 16 others	79/100
8th	Otter.ai 2016, Los Altos (United States), Series B	Developer of an AI meeting agent providing transcription and summarization	$70M	Spectrum Equity, Horizons Ventures & 26 others	75/100
9th	Vonage 2001, Holmdel (United States), Acquired	Provider of contact center business communication solutions	$645M	New Enterprise Associates, 3i Group & 15 others	74/100
10th	Heroku 2007, San Francisco (United States), Acquired	Saas based provider of integrated platform as a service solutions	$17M	Harrison Metal, Ignition Partners & 16 others	74/100
57th	SignalWire 2017, Palo Alto (United States), Series B	Provider of programmable unified communications platform delivering voice, video, messaging, and AI	$41.8M	AME Cloud Ventures, Storm Ventures & 14 others	57/100