Company lists · Data refreshed August 2026

Top 25 Cybersecurity companies based in New Zealand

Our directory lists 119 cybersecurity companies based in New Zealand, with 973 professional contacts and 471 email addresses. The list was last updated in August 2026, and Auckland is the single most-represented city among the companies listed.

Cybersecurity companies provide products and services that protect systems, networks, applications, devices, and data from unauthorized access, disruption, or misuse. This list covers companies that provide cybersecurity products, services, consulting, assessments, monitoring, incident response, or related protection for digital systems and data. Ranked by team size, largest first. Data current as of August 29, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list Match evidence on every row Refreshed Aug 29, 2026 86% judged on-target in blind review
119Companies
973Contacts tracked
471Verified emails
30Mobile numbers
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The 25 largest cybersecurity companies based in New Zealand

Ranked by team size
Top 25 of 119 cybersecurity companies based in New Zealand, ranked by team size, largest first. Data refreshed Aug 29, 2026. Evidence rates how directly each company's own description names cybersecurity companies: strong (names it), partial (names part of it), indirect (matched on its full profile rather than the summary shown). Click a count to unlock that company's people.
#CompanyHeadquartersEmployeesContacts
1
DefendIndirect evidence
Auckland, New Zealand51-200119

“DEFEND are an independent agnostic cyber security partner.”

Source: company website · checked Aug 29, 2026
2
Bastion Security GroupIndirect evidence
Wellington, New Zealand51-20093

“Bastion Security combines the skills, expertise and leadership from Quantum Security, ZX Security, Helix Security, Cassini and now Cythera.”

Source: company website · checked Aug 29, 2026
3
RedshieldIndirect evidence
Wellington, New Zealand51-20048

“RedShield is the essential partner for businesses needing an effective security solution for application risks.”

Source: company website · checked Aug 29, 2026
4
SSSStrong evidence
Wellington, New Zealand11-5038

“We are New Zealand's independent cybersecurity specialists, serving private and public sector clients locally and internationally, since 1989.”

Source: company website · checked Aug 29, 2026
5Auckland, New Zealand11-5038

“For almost twenty years, the SMX culture of innovation has seen it evolve alongside emerging threats, technologies and ways of working to remain at the forefront of cybersecurity.”

Source: company website · checked Aug 29, 2026
6
Netpoleon ANZIndirect evidence
Auckland, New Zealand501-1,00035

“Originally founded in Netpoleon Group has become a leading provider of integrated security, networking solutions and value added services throughout the APAC region.”

Source: company website · checked Aug 29, 2026
7
Aura Information SecurityIndirect evidence
Wellington, New Zealand11-5025

“Virtually every business that conducts business online is at risk of compromise by hackers, malware and other information-related crimes.”

Source: company website · checked Aug 29, 2026
8
EmsisoftIndirect evidence
Nelson, New Zealand11-5024

“Emsisoft's ambition is to produce and market better antivirus/anti-malware software for small to medium sized businesses and managed service providers.”

Source: company website · checked Aug 29, 2026
9Wellington, New Zealand11-5021

“Liverton Security is a trusted cybersecurity provider specialising in secure email solutions and information security consulting.”

Source: company website · checked Aug 29, 2026
10
Silicon Systems LimitedIndirect evidence
Upper Hutt, New Zealand11-5018

“With a remarkable track record spanning over 32 years, Silicon has continuously evolved into a trusted technology partner for organisations across various sectors, including…”

Source: company website · checked Aug 29, 2026
11
NectarIndirect evidence
Christchurch, New Zealand11-5016

“At Nectar, we partner with forward-thinking businesses to harness the power of technology in securing their future and driving business efficiency.”

Source: company website · checked Aug 29, 2026
12
Showtime ConsultingIndirect evidence
Christchurch, New Zealand11-5015

“At Showtime, we're the pioneers of 'Shielded Cloud Solutions’- leaders in integrating ultra-secure, intelligent technology in the most challenging environments.”

Source: company website · checked Aug 29, 2026
13
NextroIndirect evidence
New Zealand11-5014

“Nextro is a cyber, physical, & electronic security systems provider, as well as an ISP/MSSP.”

Source: company website · checked Aug 29, 2026
14
Optimatech LimitedIndirect evidence
Auckland, New Zealand11-5014

“OptimaTech is passionately committed to transforming businesses across New Zealand, Hong Kong and Asia Pacific by leveraging security-driven technology as the foundation for…”

Source: company website · checked Aug 29, 2026
15
KiwiictStrong evidence
Auckland, New Zealand11-5013

“We are a group of certified IT experts, highly specialised in world-class Network Cybersecurity solutions to improve your overall business performance by solving complex…”

Source: company website · checked Aug 29, 2026
16
OptimyzeIndirect evidence
Auckland, New Zealand11-5011

“Optimyze is a premier provider of comprehensive managed IT Security support services for businesses of all sizes.”

Source: company website · checked Aug 29, 2026
17
Signal Corporation LimitedIndirect evidence
Wellington, New Zealand11-509

“Signal works with companies that are looking for innovative ways to leverage technology to improve safety and business continuity.”

Source: company website · checked Aug 29, 2026
18
cyzea.ioIndirect evidence
Hamilton, New Zealand1-108

“At Cyzea.io, our mission is the driving force that keeps us connected to people – our clients, partners, and friends.”

Source: company website · checked Aug 29, 2026
19
AMARUIndirect evidence
Auckland, New Zealand11-508

“AMARU is New Zealand’s leading information security and compliance service provider, offering end-to-end managed cyber security services across Australia and New Zealand.”

Source: company website · checked Aug 29, 2026
20
Fenrir SecurityIndirect evidence
Christchurch, New Zealand1-107

“Fenrir Security was founded with a rebellious spirt and an audacious goal: to provide technical excellence across cyber security services at an equitable price point while…”

Source: company website · checked Aug 29, 2026
21
Pulse SecurityStrong evidence
Wellington, New Zealand1-107

“Established in 2017, Pulse Security is an independent New Zealand offensive security and DFIR consultancy providing quality cybersecurity services to clients both locally and…”

Source: company website · checked Aug 29, 2026
22
CyberteamIndirect evidence
Wellington, New Zealand1-107

“Work with us to protect your company quickly.”

Source: company website · checked Aug 29, 2026
23
MindshiftIndirect evidence
New Zealand1-106

“When your people have confident and strong cyber behaviours, your organisation stays secure.”

Source: company website · checked Aug 29, 2026
24
Diode SecurityIndirect evidence
Wellington, New Zealand1-106

“Diode is an NZ based security company built on passion for technology and drive to secure customers environments.”

Source: company website · checked Aug 29, 2026
25
Plural CyberIndirect evidence
Auckland, New Zealand1-106

“A team of cyber security experts, helping businesses build cyber resilience and manage their cyber security risk.”

Source: company website · checked Aug 29, 2026

Showing 25 of 119 cybersecurity companies based in New Zealand

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Cybersecurity companies based in New Zealand at a glance

As of Aug 29, 2026
1-10Median size (employees)
AucklandLargest hub · 46 HQs
30Contacts with mobile numbers
Aug 29, 2026Data refreshed

Companies by employee count

1-10
85
11-50
26
51-200
6
501-1,000
2

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among cybersecurity companies, so some rows will be adjacent to the category rather than pure plays. The description and evidence rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in New Zealand whose own description of what they do matches “cybersecurity companies”. Matching reads each company's description, not its industry code or its name.
What we exclude
Companies whose own description does not clearly place them among cybersecurity companies, and records with no verified work email. Companies headquartered outside New Zealand are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and an evidence rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
Ranking
Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification
Every listed company carries at least one verified work email, 471 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on August 29, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

How many cybersecurity companies are in the directory?

The directory lists 119 cybersecurity companies based in New Zealand.

Which city has the most cybersecurity companies?

Auckland is the single most-represented city among the cybersecurity companies on the list.

How many contacts are available for cybersecurity companies?

The directory includes 973 professional contacts and 471 email addresses for the listed cybersecurity companies.

Ready to reach these companies? Verified emails and direct dials for all 119 cybersecurity companies based in New Zealand. Start with a free account, no credit card.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.