KnowBe4 - About the company
KnowBe4 is an acquired company based in Clearwater (United States), founded in 2010 by Stu Sjouwerman. It operates as a Provider of platform for security awareness training and simulated phishing. KnowBe4 has raised $403M in funding from investors like KKR, Goldman Sachs and Ten Eleven Ventures, with last known valuation of $1B. The company has 129 active competitors, including 14 funded and 21 that have exited. Its top competitors include companies like Mimecast, Cofense and Egress.
Company Details
Provider of platform for security awareness training and simulated phishing. The platform delivers personalized education, helping individuals recognize and resist evolving threats. It offers cloud email security, compliance, and AI defense capabilities. The platform empowers employees to make smarter security decisions.
- Website
- www.knowbe4.com/
- Registered Address
- Clearwater, Florida
Key Metrics
Founded Year
2010
Location
Clearwater, United States
Stage
Acquired
Total Funding
$403M in 5 rounds
Latest Funding Round
Last Known Valuation
$1B as on Jun 12, 2019
Ranked
2nd among 129 active competitors
Annual Revenue
$246M as on Dec 31, 2021
Employee Count
2,480 as on Apr 30, 2026
Similar Companies
Exit Details
Acquired by Vista Equity Partners (Oct 12, 2022)
Legal entities associated with KnowBe4
KnowBe4 is associated with 2 legal entities given below:
Legal Entity Name | Date of Incorporation | Revenue | Latest Employee Count | Documents |
|---|---|---|---|---|
KNOWBE4, INC. CIN: 1664998 , United States, Active | Aug 09, 2010 | $246M (As on Dec 31, 2021) | - | - |
KNOWBE4 INC CIN: 364827930 , United States, Active | Dec 31, 1999 | - | 1232 (As on Dec 31, 2024) | - |
KnowBe4's acquisition details
KnowBe4 got acquired by Vista Equity Partners on Oct 12, 2022.
Click here to take a look at KnowBe4's acquisition in detail
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KnowBe4's funding and investors
KnowBe4 has raised a total funding of $403M over 5 rounds. Its first funding round was on Feb 01, 2016. Its latest funding round was a Series D round on Jun 12, 2019 for $309M. 3 investors participated in its latest round. KnowBe4 has 16 institutional investors.
Here is the list of recent funding rounds of KnowBe4:
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Date of Funding | Funding Amount | Round Name | Post-Money Valuation | Revenue Multiple | Lead Investors | Other Investors |
|---|---|---|---|---|---|---|
Jun 12, 2019 | $309M | Series D | $1B | - | ||
Mar 11, 2019 | $50M | Series C | $800M | - | - | |
Oct 23, 2017 | $30M | Series B | - | - |
View details of KnowBe4's funding rounds and investors
KnowBe4's founders and board of directors
Founder? Claim ProfileThe founders of KnowBe4 is Stu Sjouwerman.
Here are the details of KnowBe4's key team members:
- Stu Sjouwerman: Founder & CEO of KnowBe4 and founder of 2 other companies, Aktis Oncology and Sunbelt Software. Contact Info: 1 email address
View details of KnowBe4's Founder profiles and Board Members
KnowBe4's employee count trend
KnowBe4 has 2,480 employees as of Apr 26. Here is KnowBe4's employee count trend over the years:
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KnowBe4's Competitors and alternates
Top competitors of KnowBe4 include Mimecast, Cofense and Egress. Here is the list of Top 10 competitors of KnowBe4, ranked by Tracxn score:
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Rank | Company Details | Short Description | Total Funding | Investors | Tracxn Score |
|---|---|---|---|---|---|
1st | Mimecast 2003, London (United Kingdom), Acquired | Provider of email security and human risk management software tools | $261M | 77/100 | |
2nd | KnowBe4 2010, Clearwater (United States), Acquired | Provider of platform for security awareness training and simulated phishing | $403M | 76/100 | |
3rd | Cofense 2008, Leesburg (United States), Acquired | Provider of an AI-powered platform for phishing detection and remediation | $58M | 69/100 | |
4th | Egress 2007, London (United Kingdom), Acquired | Provider of cloud email security software for preventing data breaches | $68.9M | 63/100 | |
5th | Material 2016, Redwood City (United States), Series C | Provider of security solutions for Google Workspace and Microsoft 365 | $166M | 63/100 | |
6th | Tessian 2013, San Francisco (United States), Acquired | Provider of cybersecurity software for email collaboration and data protection | $182M | 62/100 | |
7th | Normalyze 2020, Los Altos (United States), Acquired | Provider of cybersecurity solutions protecting interactions across people, data, and AI | $26.6M | 61/100 | |
8th | Arcode 2008, Bethesda (United States), Acquired | E-mail security solutions provider | $31.6M | 60/100 | |
9th | VIPRE 1948, Clearwater (United States), Acquired | Provider of cybersecurity solutions, including email and endpoint protection services | - | - | 60/100 |
10th | Hornetsecurity 2007, Hannover (Germany), Acquired | Provider of Microsoft 365 security, backup, governance, risk, and compliance | - | 60/100 |
Looking for more details on KnowBe4's competitors? Click here to see the top ones
KnowBe4's Investments and acquisitions
KnowBe4 has made 1 investments in companies including Lumu. KnowBe4 has also acquired 12 companies including Egress and SecurityAdvisor.Here is the list of investments & acquisitions:
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Date of Investment/Acquisition | Type | Company Name | Founded Year | Location |
|---|---|---|---|---|
Apr 24, 2024 | Acquisition | 2007 | London (United Kingdom) | |
Aug 04, 2022 | Investments | 2018 | Miami (United States) | |
Oct 21, 2021 | Acquisition | 2018 | San Jose (United States) |
See all acquisitions by KnowBe4
Reports related to KnowBe4
Here is the latest report on KnowBe4's sector:
News related to KnowBe4
Media has covered KnowBe4 for a total of 60 events in the last 1 year, 28 of them have been about company updates and 10 about people movement.
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KnowBe4 CEO Warns Untrained AI Agents Are Vulnerable Security TargetsSiliconAngle•May 14, 2026•KnowBe4
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KnowBe4 AI Defense Agents and Security Awareness Training Pricing DetailsKnowBe4•May 12, 2026•KnowBe4
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KnowBe4 & Synthesia launch AI training video partnershipSecurityBrief•Apr 22, 2026•Synthesia, KnowBe4
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KnowBe4 Dominates the Human Risk Management Market with Innovation and Industry-Wide RecognitionBusiness Wire•Mar 31, 2026•KnowBe4
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