When was Perimeter 81 founded?

Perimeter 81 was founded in 2018 and raised its 1st funding round 1 year after it was founded.

Where is Perimeter 81 located?

Perimeter 81 is headquartered in New York City, United States.

How many employees does Perimeter 81 have?

As of Jul 31, 2026, the latest employee count at Perimeter 81 is 99.

Is Perimeter 81 a funded company?

Perimeter 81 is a funded company, having raised a total of $165M across 5 funding rounds to date. The company's 1st funding round was a $5M Seed round, raised on Mar 26, 2019.

How much is Perimeter 81 worth?

The last known valuation of Perimeter 81 was $1B as of Jun 06, 2022.

When was the latest funding round of Perimeter 81?

Perimeter 81's latest funding was a $100M Series C round on Jun 06, 2022, with participation from 6 investors.

Is Perimeter 81 a Enterprise Networking company?

The primary sectors of Perimeter 81 are Enterprise Networking, Cybersecurity and Telecom Infrastructure Tech.

Where does Perimeter 81 rank among its competitors?

Perimeter 81 ranks 36th amongst 663 active competitors, of which 40 are funded. It stands 5th in terms of total funding among its competitors. The most recent competitor to raise funding was Cato Networks, which secured $50M in Sep, 2025.

Who are the top competitors of Perimeter 81?

Perimeter 81's top competitors include Fortinet, Zscaler and Netskope. Among them, Cato Networks secured the most recent funding round in September, 2025.

Perimeter 81 - 2026 Company Profile, Team, Funding & Competitors

Perimeter 81 is an acquired company based in New York City (United States), founded in 2018 by Sagi Gidali and Amit Bareket. It operates as a Provider of network security solutions. Perimeter 81 has raised $165M in funding from investors like Insight Partners, SonicWALL and Toba Capital, with last known valuation of $1B. The company has 663 active competitors, including 40 funded and 53 that have exited. Its top competitors include companies like Fortinet, Zscaler and Netskope.

Sectors and market segments that Perimeter 81 operate in

Perimeter 81 serves in the Telecom market segments.The primary business model of Perimeter 81 is:

Telecom > Telecom Infrastructure Tech > ***** **** > ***** ******

Company Details

Provider of network security solutions. It also provides VPN helps to protect private cloud resources through solutions like encrypting network traffic, deploying private servers, managing network activities, distributing global IP addresses, and conducting geo targeting and quality assurance. The company also provides software defined perimeter solutions. SDP offers cloud migration security, least privilege access to resources, and secure access to cloud environments. The product is available on a subscription basis.

Website: perimeter81.com
Social
Email ID: *****@perimeter81.com

Key Metrics

Founded Year

2018

Location

New York City, United States

Stage

Acquired

Total Funding

$165M in 5 rounds

Latest Funding Round

Series C, Jun 06, 2022, $100M

Last Known Valuation

$1B as on Jun 06, 2022

Investors

Insight Partners & 9 more

Ranked

36^th among 663 active competitors

Employee Count

99 as on Jul 31, 2026

Similar Companies

Fortinet & 679 more

Exit Details

Acquired by Check Point Software (Aug 10, 2023)

View Perimeter 81's full profile

Perimeter 81 got acquired by Check Point Software on Aug 10, 2023 at an acquisition amount of $*****.

Click here to take a look at Perimeter 81's acquisition in detail

Perimeter 81 has raised a total funding of $165M over 5 rounds. Its first funding round was on Mar 26, 2019. Its latest funding round was a Series C round on Jun 06, 2022 for $100M. 6 investors participated in its latest round. Perimeter 81 has 10 institutional investors.

Here is the list of recent funding rounds of Perimeter 81:

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Date of Funding	Funding Amount	Round Name	Post-Money Valuation	Revenue Multiple	Lead Investors	Other Investors
Jun 06, 2022	$100M	Series C	$1B	-	B Capital	Insight Partners, Toba Capital, ION, Entree Capital, Spring Ventures
Aug 11, 2020	$40M	Series B	-	-	Insight Partners	-
Mar 11, 2020	$4.5M	Series A	-	-	Toba Capital	-

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View details of Perimeter 81's funding rounds and investors

The founders of Perimeter 81 are Sagi Gidali and Amit Bareket.

Here are the details of Perimeter 81's key team members:

Sagi Gidali: Co-Founder and CPO of Perimeter 81.
Amit Bareket: Former Co-Founder of Perimeter 81.
Contact Info: 1 email address

View details of Perimeter 81's Founder profiles and Board Members

Perimeter 81's employee count trend

Perimeter 81 has 99 employees as of Jul 26. Here is Perimeter 81's employee count trend over the years:

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Top competitors of Perimeter 81 include Fortinet, Zscaler and Netskope. Here is the list of Top 10 competitors of Perimeter 81, ranked by Tracxn score:

Rank	Company Details	Short Description	Total Funding	Investors	Tracxn Score
1st	Fortinet 2000, Sunnyvale (United States), Public	Provider of cybersecurity solutions, services, and threat intelligence for enterprises	$39M	Meritech, World Innovation Lab & 16 others	83/100
2nd	Zscaler 2007, San Jose (United States), Public	Provider of cloud-based security solutions for enterprise zero trust architecture	$148M	Lightspeed Venture Partners, CapitalG & 15 others	83/100
3rd	Netskope 2012, Santa Clara (United States), Public	Cloud security platform for enterprises	$1.44B	Lightspeed Venture Partners, Accel & 34 others	79/100
4th	Check Point Software 1993, San Carlos (United States), Public	Provider of cyber security solutions for networks, SASE, and cloud	-	Herald Investment Management, Venrock & 7 others	78/100
5th	Cato Networks 2015, Tel Aviv (Israel), Series G	Provider of converged network security solutions with threat prevention capabilities	$1.16B	Lightspeed Venture Partners, Vitruvian Partners ... & 17 others	75/100
6th	Riverbed 2002, San Francisco (United States), Acquired	Provider of a platform for enterprise WAN optimization and application performance monitoring	$56.6M	Goldman Sachs, Meritech & 13 others	72/100
7th	Zayo 2007, Boulder (United States), Acquired	Provider of fiber transport and network connectivity and managed services	$825M	Charlesbank Capital Partners, GTCR & 24 others	72/100
8th	Aryaka 2009, Santa Clara (United States), Series F	Provider of unified secure access service edge and software-defined wide area network	$192M	Nexus Venture Partners, Goldman Sachs & 8 others	72/100
9th	WatchGuard 1996, Seattle (United States), Acquired	Provider of network, endpoint, identity, and data security solutions	-	JMI Management, Ridge Ventures & 8 others	72/100
10th	Gigamon 2004, Milpitas (United States), Acquired	Provider of deep observability pipeline for hybrid cloud infrastructure management	$22.8M	Siris Capital, Highland Capital Partners & 1 others	71/100
36th	Perimeter 81 2018, New York City (United States), Acquired	Provider of network security solutions	$165M	Toba Capital, Insight Partners & 8 others	53/100