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Top Cybersecurity Companies in Canada

6 of 26 cybersecurity companies ranked on evidence in the Q4 2026 edition.

Between them, the 26 cybersecurity companies on this page cover IT services (25), cybersecurity (18), e-commerce development (17) and eCommerce (16). They also list work in United States of America. 26 of them have written a profile you can read before you get in touch.

TrustList ranking

Q4 2026 edition

6 of 26 cybersecurity companies ranked on evidence held on 12 October 2026: client reviews, vetting, awards and facts each business states on its own website, which we read and date. Nobody pays to be placed.

Positions are fixed for the quarter; the next edition is due in January 2027.

How this is ranked About this edition

All cybersecurity companies 6 ranked SMEs 6 ranked

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Networking4all
IT Services · Software Development · Web Development · Also in Netherlands
Networking4all is a Dutch security company founded in 2000. It began by selling SSL certificates and has since added scanning, testing, monitoring and staff awareness training.
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Why #1: Address in Canada · Founded 2000, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
Proofpoint
IT Services · Web Development · Web Design · Also in United States of America
Proofpoint is a cybersecurity company that focuses on attacks aimed at people rather than machines.
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Why #2: Office in Canada · Founded 2002, as stated on its own website, read 5 Oct 2026
Not yet on record: client reviews, vetting.
Z
ZEROSPAM
IT Services · Software Development · IT Solution
ZEROSPAM is a cloud anti-spam service that blocks harmful and unwanted email before it reaches a customer's network.
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Why #3 (shared): Based in Montreal, Canada · Founded 2003, as stated on its own website, read 6 Oct 2026
Not yet on record: client reviews, vetting.
Herjavec Group
IT Services · E-Commerce Development · Network Security
Cybersecurity company providing managed security services and consulting to large organisations in the US, UK and Canada
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Why #3 (shared): Office in Canada · Founded 2003, as stated on its own website, read 6 Oct 2026
Not yet on record: client reviews, vetting.
KI
Kobalt.io
IT Services · E-Commerce Development · Network Security
Kobalt.io is a cybersecurity and compliance firm that acts as an outsourced security team.
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Why #5 (shared): Address in Canada · Client numbers stated on its own website, as stated on its own website, read 6 Oct 2026
Not yet on record: client reviews, vetting.
Absolute Software
IT Services · Web Development · Web Design · Also in United States of America
Absolute Software, also known as Absolute Security, provides endpoint visibility and control.
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Why #5 (shared): Based in Vancouver, Canada · Client numbers stated on its own website, as stated on its own website, read 6 Oct 2026
Not yet on record: client reviews, vetting.
Also listed, not yet ranked. We hold nothing checkable on these yet that ranks them here: no client review, vetting, award, expert review, or fact stated on their own website (and on a place ranking, where they are based). They follow in order of their TrustList Score. How TrustList ranks · Get vetted, free
Terranova Security
IT Services · E-Commerce Development · Software Development
Terranova Security is a security awareness company that uses education and technology to help organisations reduce the risk caused by human error.
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On record: Founded 2001, as stated on its own website, read 6 Oct 2026
D3 Security
IT Services · E-Commerce Development · Software Development
D3 Security makes software for security operations centres, helping teams investigate and respond to alerts using evidence. It has been in business since 2004.
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On record: Founded 2004, as stated on its own website, read 6 Oct 2026
Authen Security, Inc.
IT Services · E-Commerce Development · Network Security
Authen Security is a small advisory firm that deals only with identity and access management.
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On record: Founded 2011, as stated on its own website, read 6 Oct 2026
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GoSecure
IT Services · E-Commerce Development · Web Security
GoSecure is a cybersecurity firm founded in 2012 with one stated goal, which is preventing breaches.
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On record: Founded 2012, as stated on its own website, read 6 Oct 2026
Blockchain Intelligence Group
IT Services · E-Commerce Development · Network Security
Blockchain Intelligence Group is a Canadian technology company offering search, analytics and risk-scoring tools for cryptocurrency.
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CrowdStrike
Artificial Intelligence - AI · IT Services · E-Commerce Development
CrowdStrike is a cybersecurity company that sells a cloud-native platform for stopping breaches.
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Cylance Inc.
Artificial Intelligence - AI · IT Services · E-Commerce Development
Cylance is a cybersecurity technology company known for endpoint protection based on mathematical analysis and machine learning.
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Difenda
IT Services · E-Commerce Development · Network Security
Difenda is a cybersecurity services firm. Its core offer is managed detection and response, which uses analytics, automation and machine learning to spot and handle threats.
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DigitalDefence
IT Services · E-Commerce Development · Software Development
DigitalDefence is a cybersecurity company that assesses data security and responds to security and privacy breaches.
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Echoworx
IT Services · E-Commerce Development · Cybersecurity
Echoworx provides email encryption and secure communications for enterprises.
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IA
IAmI Authentications, Inc.
Artificial Intelligence - AI · IT Services · E-Commerce Development
IAmI Authentications, Inc. sells a multi-factor authentication system that a client deploys inside its own network. It uses encrypted tokenisation, so personal data is not stored.
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ISARA Corporation
IT Services · Software Development · IT Networking
ISARA Corporation is a security company that builds quantum-safe cryptography for use in real systems.
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K
Keyfactor
IT Services · Software Development · eCommerce
Keyfactor is a digital identity and security company, formerly known as Certified Security Solutions (CSS).
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NuFormat
IT Services · E-Commerce Development · Network Security
Ontario cybersecurity firm providing managed detection and response and security services for small and large businesses
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On record: Based in Markham, Ontario, Canada
RC
Red Canari
IT Services · E-Commerce Development · Network Security
Red Canari is an information security consultancy staffed by experienced security professionals, with more than 30 years of combined experience.
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RS
RSA Security
IT Services · E-Commerce Development · Network Security
RSA Security is a cybersecurity vendor that focuses on identity. It sells authentication, access management and governance products to organisations that handle sensitive data.
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ST
SecureKey Technologies Inc.
Software Development · Web Design · Software Testing
SecureKey Technologies Inc. provides identity and authentication services in Canada.
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Secureworks
IT Services · Network Security · IT Networking
Secureworks is a cybersecurity company that helps organisations prevent, detect and respond to attacks. It is part of the Dell Technologies family of brands.
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Top Cybersecurity Companies in Canada

Networking4all

Proofpoint

ZEROSPAM

Herjavec Group

Kobalt.io

Absolute Software

Terranova Security

D3 Security

Authen Security, Inc.

GoSecure

Blockchain Intelligence Group

CrowdStrike

Cylance Inc.

Difenda

DigitalDefence

Echoworx

IAmI Authentications, Inc.

ISARA Corporation

Keyfactor

NuFormat

Red Canari

RSA Security

SecureKey Technologies Inc.

Secureworks

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