Knowbe4revenue, acquisition & funding
Security Compliance Software33 North Garden Avenue, Clearwater, FloridaFounded 2011
Knowbe4 was acquired by Vista Equity Partners.
KnowBe4 provides Security Awareness Training to help you manage the IT security problems of social engineering, spear phishing and ransomware attacks.
Knowbe4 revenue
Knowbe4's annual revenue was $60M in May 2017, its last figure before Vista Equity Partners bought it (source not recorded).
| As of | Revenue | Source |
|---|---|---|
| May 2017 | $60M | – |
– source not recorded
Who owns Knowbe4
Vista Equity Partners owns Knowbe4. The date and price of the deal are not on record.
Knowbe4 funding rounds & investors
Knowbe4 has raised $384.2M across five rounds since 2016. The latest was a $309.4M funding round in June 2019.
| Date | Round | Raised |
|---|---|---|
| Jun 2019 | Funding round | $309.4M |
| Feb 2019 | Funding round | $31.6M |
| Oct 2017 | Funding round | $30M |
| Feb 2017 | Funding round | $5.2M |
| Jan 2016 | Funding round | $8M |
| Total raised | $384.2M |
Knowbe4 CEO, founders & employees
Stu Sjouwerman founded Knowbe4 in 2011 and led it as CEO. Knowbe4 had 969 employees (December 2020), up from 749 a year earlier.
- Stu SjouwermanFounder & CEO
Team mix (Dec 2020): 85 engineers, 286 in sales, 36 in marketing
All 5 headcount readings, with sources
| As of | Employees | Source |
|---|---|---|
| Dec 2020 | 969 | – |
| Jun 2020 | 845 | – |
| Dec 2019 | 749 | – |
| Dec 2018 | 546 | – |
| May 2017 | 290 | – |
Knowbe4 FAQ
What was Knowbe4's revenue?
Before Vista Equity Partners bought it, Knowbe4's annual revenue was $60M in May 2017 (source not recorded).
Who owns Knowbe4?
Vista Equity Partners owns Knowbe4.
How much funding has Knowbe4 raised?
Knowbe4 raised $384.2M across five funding rounds before Vista Equity Partners bought it. The last was a $309.4M funding round in June 2019.
How many employees does Knowbe4 have?
Knowbe4 had 969 employees in December 2020.
Who founded Knowbe4?
Stu Sjouwerman founded Knowbe4 in 2011.
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How this page is sourced
Founder figures link to the second they were said; public figures name their source; estimates are marked EST. and say whose they are. Not financial advice.
Updated Aug 10, 2026Data disclaimerReport a correctionClaim this profileRun Knowbe4? Join the podcast