29 Best Cybersecurity Startups in North America to Watch in 2025

The Definitive Seedtable Ranking of Cybersecurity Startups in North America

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 29 start-ups with an aggregate funding of $3.3b. The average funding per company in this subset is $113.2m.

Last update to the database: Jun 17, 2025. See changelog.

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5

Funding Rounds

$2.5m

Money raised

A company offering a platform for privacy and security for quantum cloud computing.

Key people:

3

Funding Rounds

$26.8m

Money raised

ISARA is a company developing quantum computer resistant software products founded in 2015 by Scott Totzke.

1

Funding Rounds

$20.0m

Money raised

Resolver's Integrated Risk Management platform helps plan and prepare your organization to limit the likeliness or impact of security risk and compliance events from occurring.

3

Funding Rounds

$35.5m

Money raised

Slice Labs is a company offering an on-demand insurance marketplace founded in 2015 by Tim Attia.

Key people:

3

Funding Rounds

$164.8m

Money raised

Skybox Security is a cybersecurity company working to protect users data through analysis of security sources such as firewalls and network devices and providing users a security and vulnerability analysis.

3

Funding Rounds

$1.4b

Money raised

Resilience Technology Corporation is an Hanover, Maryland-based cybersecurity company developing and manufacturing cyber security tools and founded in 1995.

Key people:

10

Funding Rounds

$79.1m

Money raised

Clearpath is a company that builds robot development platforms and develops autonomous robots.

Key people:

3

Funding Rounds

$920.0m

Money raised

Comprehensive password manager for macos, windows, ios and android

4

Funding Rounds

$1.8m

Money raised

Securicy is a company founded in 2016.

5

Funding Rounds

$10.7m

Money raised

Two Hat is an IT company providing an AI-powered content moderation platform. The company was acquired by Microsoft in October 2021.

2

Funding Rounds

$11.2m

Money raised

Private AI is a company that is developing natural language processing tools and privacy-preserving machine learning tools.

Location:

Key people:

3

Funding Rounds

$69.2m

Money raised

SecureKey is a leading identity and authentication provider that simplifies consumer access to online services and applications.

4

Funding Rounds

$29.9m

Money raised

HYAS is a Victoria, British Columbia-based cybersecurity company offering threat intelligence, compromise detection and attribution.

1

Funding Rounds

N-able (previously SolarWinds) provides IT management and automation solutions for managed service providers (MSPs)

1

Funding Rounds

$30.0m

Money raised

Owl Technologies is a company founded in 2018 by Sean Merat, Vahid Mirjalili and Sohrab Merat.

1

Funding Rounds

Zighra is a company founded in 2009 by Deepak Dutt.

1

Funding Rounds

$3.0m

Money raised

TrojAI is developing solutions to protect artificial intelligence platforms from adversarial attacks on training data and AI models, such as data poisoning and model evasion attacks. Focused on computer vision platforms, the data transformation and model monitoring techniques developed by TrojAI not only aid in the defence against such attacks, but can provide incremental improvements in model accuracy and performance.

1

Funding Rounds

$5.5m

Money raised

A company offering a suite of proprietary products and services including quantum risk assessments, roadmap design and implementation, quantum safe hardware and software, and education services to allow organizations to avoid quantum security threats to their IT infrastructure.

Key people:

1

Funding Rounds

$1.1m

Money raised

TitanFile is a Waterloo, Ontario-based developer of a cloud-based enterprise file sharing solution.

1

Funding Rounds

$3.0m

Money raised

Cybeats is a Toronto-based cybersecurity company developing solutions for connected devices.

1

Funding Rounds

$388.6m

Money raised

A company offering know your customer, anti-money laundering, and compliance software.

1

Funding Rounds

$1.0m

Money raised

inBay's Zero-Password Authentication Service offers frictionless and secure access--Trusted Access--to enterprises' applications and services.

1

Funding Rounds

$1.5m

Money raised

Beauceron's cloud-based platform gives employees a powerful personal cyber-risk coach empowering them to improve their cybersecurity practices and behaviours.

1

Funding Rounds

$631.0k

Money raised

AcceptLocal is a payments industry consultancy with expertise in payment processing, payment security, anti-money laundering and fraud prevention.

1

Funding Rounds

$11.0m

Money raised

Corsa Security is leading the transformation of network security with a private cloud approach that helps scale network security services with unwavering performance and flexibility.

3

Funding Rounds

$13.0m

Money raised

Datacloud is a cybersecurity company founded in 2016.

Industries:

2

Funding Rounds

$12.6m

Money raised

With a focus on data security, Qohash supports security, compliance and optimization use cases enhancing your risk management process.

1

Funding Rounds

$2.0m

Money raised

Cord3 delivers data protection, even from trusted administrators or hackers posing as administrators with high privilege.

Location:

1

Funding Rounds

$3.6m

Money raised

Optable is a data management & collaboration solution designed for the advertising ecosystem in the age of privacy. Optable makes it easy for advertisers and publishers to use their audience data to plan, activate and measure advertising campaigns while safeguarding individual identities.

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