SquareX is owned by Zscaler, which acquired it in February 2026.

Where is SquareX headquartered?

SquareX is headquartered in Palo Alto, United States.

Who are SquareX's competitors?

Atakama, Zip Security, and 42Gears are among the closest in Endpoint Security. The full competitive set, with overlap scoring, is in the platform.

What products does SquareX sell?

SquareX sells SquareX Malware Sandbox, SquareX Browser Security Platform, and SquareX Clipboard DLP.

SquareX

Endpoint SecurityPalo Alto, United Statesfounded 2023acquired by Zscalersqrx.com ↗

SquareX is a cybersecurity company specializing in Endpoint Security, founded in 2023 and headquartered in Palo Alto, United States. It has raised $26M in equity across 2 priced rounds, employs about 25 people, and was acquired by Zscaler in 2026.

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updated Oct 11, 2026

Latest SquareX news and company activity

What SquareX did, dated — selected moves from the record, one per kind, newest first.

Nov 2025RecognitionSquareX Named SINET16 Innovator for Browser Detection and Response
Jul 2025Product launchSquareX Collaborates with Top Fortune 500 CISOs to Launch The Browser Security Field Manual at Black Hat USA 2025
May 2023Funding roundSquareX raises $6 million for cybersecurity product development
Jan 2002Acquired

SquareX products

SquareX funding

SquareX has raised $26M in priced equity. Its most recent round was a Series A in April 2025. It has 2 funding rounds on record: Seed and Series A. 4 investors are on record, including Peak XV Partners and SYN Ventures.

Equity raised: $26M2 priced rounds
Last round: Series AApr 2025

View the complete funding history

SquareX employees and hiring

As of September 2026, SquareX has about 25 employees, down 4% over the last 30 days.

Employees: 25
30-day change: -4%
Open roles: 0

See hiring trends

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The other 440 data points.

Funding historyevery round, every investor named
Headcount growthvelocity, departments, seniority
Open jobslive postings, hiring pace, role mix
Tech stackframeworks, clouds, security
Competitorsfull set, overlap scored
Leadershipevery exec, with roles
Customersnamed publicly, with sources
Reviews & newssentiment, coverage, cadence

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Funding, round by round, with the investors
Headcount, hiring and the people
The timeline of what they did, dated
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The other 440 data points.

Funding historyevery round, every investor named
Headcount growthvelocity, departments, seniority
Open jobslive postings, hiring pace, role mix
Tech stackframeworks, clouds, security

Similar in Endpoint Security

Common questions about SquareX.

How much funding has SquareX raised?: SquareX has raised $26M in priced equity. Its most recent round was a Series A in April 2025. It has 2 funding rounds on record: Seed and Series A. 4 investors are on record, including Peak XV Partners and SYN Ventures.
How many people work at SquareX?: As of September 2026, SquareX has about 25 employees, down 4% over the last 30 days.
Who owns SquareX?: SquareX is owned by Zscaler, which acquired it in February 2026.
Where is SquareX headquartered?: SquareX is headquartered in Palo Alto, United States.
Who are SquareX's competitors?: Atakama, Zip Security, and 42Gears are among the closest in Endpoint Security. The full competitive set, with overlap scoring, is in the platform.
What does SquareX do?: SquareX is a cybersecurity company specializing in Endpoint Security, founded in 2023 and headquartered in Palo Alto, United States.
What products does SquareX sell?: SquareX sells SquareX Malware Sandbox, SquareX Browser Security Platform, and SquareX Clipboard DLP.