When was GNS3 founded?

GNS3 was founded in 2011 and raised its 1st funding round 3 years after it was founded.

Where is GNS3 located?

GNS3 is headquartered in Calgary, Canada.

How many employees does GNS3 have?

As of Aug 31, 2026, the latest employee count at GNS3 is 35.

Is GNS3 a funded company?

GNS3 is a funded company, having raised a total of $***** in its 1st and only funding round, a Seed round on Aug 27, 2014.

When was the latest funding round of GNS3?

GNS3's latest funding was a $***** Seed round on Aug 27, 2014, with participation from 0 investor.

Where does GNS3 rank among its competitors?

GNS3 ranks 8th amongst 34 active competitors, only 1 of which is funded. Time Critical Networks, which secured $54.1K in Jan, 2016.

Who are the top competitors of GNS3?

GNS3's top competitors include Aticara, OPNET and SCALABLE. Among them, Time Critical Networks secured the most recent funding round in January, 2016.

GNS3 - 2026 Company Profile, Team, Funding & Competitors

Company Details

GNS3 is a provider of Real-time network simulation for pre-deployment testing. It emulates real scenarios and reduces the risk of running tests on hardware equipment. It provides dynamic network maps which are useful in testing and designing proof of concept (POC) testing. Its customer spread across AT&T, ExonMobil, TATA, NASA and Verizon etc.

Website: gns3.com
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Key Metrics

Founded Year

2011

Location

Calgary, Canada

Stage

Seed

Total Funding

$600K in 1 round

Latest Funding Round

Seed, Aug 27, 2014, $*****

Investors

Plug and Play Tech Center & 1 more

Ranked

8^th among 34 active competitors

Employee Count

35 as on Aug 31, 2026

Similar Companies

Aticara & 36 more

View GNS3's full profile

GNS3 has raised a total funding of $600K over 1 round. GNS3 has 2 institutional investors.

Here is the list of recent funding rounds of GNS3:

Date of Funding	Funding Amount	Round Name	Post-Money Valuation	Revenue Multiple	Lead Investors	Other Investors
Aug 27, 2014	5314902	Seed	7478907	9524675	1078872	2472841

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View details of GNS3's funding rounds and investors

The founders of GNS3 are Jeremy Grossmann and Stephen Guppy.

Here are the details of GNS3's key team members:

Jeremy Grossmann: Co-Founder & CTO of GNS3.
Stephen Guppy: Co-Founder & CEO of GNS3.

View details of GNS3's Founder profiles and Board Members

GNS3's employee count trend

GNS3 has 35 employees as of Aug 26. Here is GNS3's employee count trend over the years:

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Top competitors of GNS3 include Aticara, OPNET and SCALABLE. Here is the list of Top 10 competitors of GNS3, ranked by Tracxn score:

Rank	Company Details	Short Description	Total Funding	Investors	Tracxn Score
1st	Aticara 2017, Bengaluru (India), Unfunded	Software-based network traffic simulator solutions provider	-	-	39/100
2nd	OPNET 1986, Bethesda (United States), Acquired	Cloud-based application performance monitoring software provider	-	Summit Partners	37/100
3rd	SCALABLE 1999, Culver City (United States), Acqui-Hired	Provider of wireless network simulation and emulation tools for digital twins	-	-	35/100
4th	MetaGeek 2003, Boise (United States), Acquired	Provider of portable Wi-Fi diagnostic tools for network troubleshooting	-	Idaho SBDC	32/100
5th	Time Critical Networks 2008, Gothenburg (Sweden), Funding Raised	Ethernet Design and Analysis Softwares	-	EIC Fund, MobilityXlab & 2 others	32/100
6th	QA Cafe 2002, Portsmouth (United Kingdom), Unfunded	Web based test management system for network equipment	-	-	30/100
7th	IWL 1993, Scotts Valley (United States), Unfunded	Network emulation and protocol testing solutions for optimal application performance	-	-	30/100
8th	GNS3 2011, Calgary (Canada), Seed	Network Simulator and testing software	$600K	Plug and Play Tech Center, Canadian Technology Accelerator ... Read more	28/100
9th	PacketStorm 1998, Westwood (United States), Unfunded	WAN emulation and network bandwidth simulation solutions provider	-	-	27/100
10th	Touchstone Technologies 2004, Hatboro (United States), Unfunded	Provider of VoIP test and measurement equipment and related support services	-	-	26/100