23 Best Application Security Startups to Watch in 2025

The Definitive Seedtable Ranking of Application Security Startups

We track 71,000+ companies and rank them dynamically using our Seedtable Score – a score that uses quantitative and qualitative data points to signal the momentum behind a company. We then monitor the list manually leveraging our expertise as founders and investors.

There are 23 start-ups with an aggregate funding of $2.7b. The average funding per company in this subset is $117.5m.

Last update to the database: Feb 18, 2025. See changelog.

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Snyk logo

Snyk

Snyk is a technology company offering a software development security platform using open-source code.

10

Funding Rounds

$1.6b

Money raised

Bionic logo

Bionic

Bionic is a company founded in 2019 by Idan Ninyo.

2

Funding Rounds

$82.0m

Money raised

Veracode logo

Veracode

Veracode Dynamic Analysis provides context around how an application responded to an attack and how it was exploited.

5

Funding Rounds

$74.3m

Money raised

PullRequest logo

PullRequest

PullRequest is a company offering code review as a service founded in 2017 by Lyal Avery, Tyler Mann and Patrick Barsallo.

2

Funding Rounds

$10.3m

Money raised

Invicti Security logo

Invicti Security

Invicti Security is the developer of a security platform for web applications.

1

Funding Rounds

$625.0m

Money raised

Codacy logo

Codacy

Automated code review tool that helps developers save time and manage technical debt.

6

Funding Rounds

$52.1m

Money raised

r2c (company) logo

r2c (company)

r2c is a San Francisco startup in the software security and reliability sector. The company maintains open source tools semgrep and bento.

2

Funding Rounds

$40.0m

Money raised

Code Climate logo

Code Climate

Code Climate is a company founded in 2011 by Bryan Helmkamp.

5

Funding Rounds

$69.5m

Money raised

Vicarius (company) logo

Vicarius (company)

Vicarious identify the vulnerabilities in the software without involving the vendor and protect it before the hackers take advantage of it, even in compiled applications.

3

Funding Rounds

$34.0m

Money raised

Denim Group logo

Denim Group

Denim Group provides enterprise application security consultants offering threat assessment and vulnerability remediation services.

1

Funding Rounds

Semgrep logo

Semgrep

We’re Semgrep, a software security company. Our mission is to profoundly improve software security and reliability to safeguard human progress.

1

Funding Rounds

$100.0m

Money raised

Coverity logo

Coverity

Coverity static analysis was developed by Synopsys and helps development and security teams find and fix defects and security flaws in code.

1

Funding Rounds

$22.0m

Money raised

BoxyHQ logo

BoxyHQ

BoxyHQ provides security building blocks for developers. BoxyHQ’s suite of APIs for security and privacy helps engineering teams build and ship compliant cloud applications faster.

1

Funding Rounds

$2.5m

Money raised

GrammaTech logo

GrammaTech

GrammaTech is a leading developer of software-assurance tools and advanced cyber-security solutions.

1

Funding Rounds

$9.0m

Money raised

Avocado Systems logo

Avocado Systems

Avocado is an agentless, app-native security and segmentation company.

3

Funding Rounds

$4.0m

Money raised

Keriton logo

Keriton

Keriton is a Philadelphia-based company founded in 2016.

1

Funding Rounds

$1.0m

Money raised

AttackFlow logo

AttackFlow

AttackFlow is a static code analysis company which develops innovative solutions for secure app development.

1

Funding Rounds

Enso Security logo

Enso Security

Enso is the first Application Security Posture Management (ASPM) solution, helping security teams everywhere eliminate their AppSec chaos with application discovery, classification and management.

1

Funding Rounds

$6.0m

Money raised

Wabbi logo

Wabbi

Wabbi is a SecDevOps Orchestration Platform founded by Brittany Greenfield.

1

Funding Rounds

$2.0m

Money raised

Lucent Sky logo

Lucent Sky

Lucent Sky is a San Francisco-based company founded in 2012 by Jim Liu.

1

Funding Rounds

SecuLetter logo

SecuLetter

SecuLetter is a company founded in 2015.

2

Funding Rounds

$14.0m

Money raised

Rips logo

Rips

Rips is a Bochum-based company founded in 2016.

1

Funding Rounds

BugBuster logo

BugBuster

BugBuster is a Switzerland-based company founded in 2011.

1

Funding Rounds

$1.1m

Money raised