Where is DuoCircle located?

DuoCircle is headquartered in San Diego, United States.

How many employees does DuoCircle have?

As of May 31, 2026, the latest employee count at DuoCircle is 13.

Where does DuoCircle rank among its competitors?

DuoCircle ranks 86th amongst 155 active competitors, of which 14 are funded. It stands 11th in terms of total funding among its competitors. The most recent competitor to raise funding was StrongestLayer, which secured $4.1M in Jul, 2026.

Who are the top competitors of DuoCircle?

DuoCircle's top competitors include Cofense, Egress and Tessian. Among them, StrongestLayer secured the most recent funding round in July, 2026.

DuoCircle - 2026 Company Profile, Team & Competitors

Company Details

DuoCircle provides a managed email gateway, forwarding, archiving and SSL certificate solutions to the organization. Other solutions include email forwarding, anti spam and outbound SMTP. SSL certificates include Domain or organization validated certificates, and wildcard, extended validation SAN certificates. Email services are supported for both enterprise owned email servers and hosted service like Office 365, G Suite etc. Its data centers are located in Oregon and Frankfurt with a redundantly built network at AWS in Oregon.

Website: www.duocircle.com/
Social
Email ID: *****@duocircle.com
Phone Number: +1 **********

Key Metrics

Founded Year

2014

Location

San Diego, United States

Stage

Unfunded

Ranked

86^th among 155 active competitors

Employee Count

13 as on May 31, 2026

Similar Companies

Area 1 Security & 105 more

View DuoCircle's full profile

DuoCircle has not raised any funding rounds yet.

The founders of DuoCircle are Brad Slavin and Hilton Sher.

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

Brad Slavin: Co-Founder & CEO of DuoCircle.
Contact Info: 1 email address
Hilton Sher: Co-Founder of DuoCircle.
Contact Info: 1 email address

View details of DuoCircle's Founder profiles and Board Members

DuoCircle's employee count trend

DuoCircle has 13 employees as of May 26. Here is DuoCircle's employee count trend over the years:

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Top competitors of DuoCircle include Cofense, Egress and Tessian. Here is the list of Top 10 competitors of DuoCircle, ranked by Tracxn score:

Rank	Company Details	Short Description	Total Funding	Investors	Tracxn Score
1st	Cofense 2008, Leesburg (United States), Acquired	Provider of an AI-powered platform for phishing detection and remediation	$58M	Paladin Capital, Adams Street Partners & 4 others	69/100
2nd	Egress 2007, London (United Kingdom), Acquired	Provider of cloud email security software for preventing data breaches	$68.9M	FTV Capital, Microsoft Accelerator & 12 others	66/100
3rd	Tessian 2013, Boston (United States), Acquired	Provider of cybersecurity software for email collaboration and data protection	$182M	Microsoft Accelerator, Balderton Capital ... & 40 others	61/100
4th	Arcode 2008, Bethesda (United States), Acquired	E-mail security solutions provider	$31.6M	ClearSky, ClearSky & 5 others	60/100
5th	VIPRE 1948, Clearwater (United States), Acquired	Provider of cybersecurity solutions, including email and endpoint protection services	-	Bessemer Venture Partners	59/100
6th	Abnormal 2018, Las Vegas (United States), Series D	Detects threats across email and cloud using behavior-based AI	$557M	Wellington, Menlo Ventures & 9 others	59/100
7th	Iron Scales 2013, Atlanta (United States), Series C	Provider of AI-powered email security solutions protecting against advanced email threats	$95M	K1 Investment Management, Rafael Development Corporation ... & 7 others	58/100
8th	Material 2016, Redwood City (United States), Series C	Provider of security solutions for Google Workspace and Microsoft 365	$166M	Founders Fund, Snowflake & 13 others	57/100
9th	Hornetsecurity 2007, Hannover (Germany), Acquired	Provider of Microsoft 365 security, backup, governance, risk, and compliance	-	HTGF, Neuhaus Partners & 8 others	57/100
10th	StrongestLayer 2024, San Francisco (United States), Seed	Provider of cybersecurity suite solutions	$9.3M	Inovia Capital, Sorenson Capital & 3 others	54/100
86th	DuoCircle 2014, San Diego (United States), Unfunded	Provider of cyber security and phishing attack protection solutions	-	-	20/100