Company lists · Data refreshed September 2026

Top 22 Corporate security consulting firms based in New Zealand

RevenueBase identified 51 corporate security consulting firms headquartered in New Zealand as of September 2026 and tracks 471 professional contacts across them, including 241 with verified work emails. Auckland is the largest hub.

This list covers corporate security consulting firms headquartered in New Zealand, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 21, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 21, 2026 86% judged on-target in blind review
51Companies
471Contacts tracked
241Verified emails
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The 22 largest corporate security consulting firms based in New Zealand

Ranked by team size
Top 22 of 51 corporate security consulting firms based in New Zealand, ranked by team size, largest first. Data refreshed Sep 21, 2026. RevenueBase Smart Search rates how each company's information relates to corporate security consulting firms: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Partial evidenceAuckland, New ZealandHQ checked Sep 21, 202651-200119 contacts →

Partial evidence

“DEFEND are an independent agnostic cyber security partner.”

Source: RevenueBase Database · checked Sep 21, 2026
2Partial evidenceWellington, New ZealandHQ checked Sep 21, 202651-20094 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 21, 2026
3Partial evidenceAuckland, New ZealandHQ checked Sep 21, 2026201-50053 contacts →

Partial evidence

“Making security simple through our friendly, highly trained professional staff, Simply Security New Zealand delivers a reliable, integral, and professional portfolio of services.”

Source: RevenueBase Database · checked Sep 21, 2026
4Partial evidenceAuckland, New ZealandHQ checked Sep 21, 202611-5014 contacts →

Partial evidence

“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: RevenueBase Database · checked Sep 21, 2026
5Indirect evidenceWellington, New ZealandHQ checked Sep 21, 202611-5012 contacts →

Indirect evidence

“We're here to keep your data secure.”

Source: RevenueBase Database · checked Sep 21, 2026
6Partial evidenceWellington, New ZealandHQ checked Sep 21, 202611-5012 contacts →

Partial evidence

“Layer 9 was founded by a team of specialists committed to delivering strategic value and passionate about organisational security.”

Source: RevenueBase Database · checked Sep 21, 2026
7Partial evidenceWellington, New ZealandHQ checked Sep 21, 202611-5011 contacts →

Partial evidence

“Red Wolf High Level Security Ltd is a high level security integrator company based out of Wellington and Auckland, New Zealand.”

Source: RevenueBase Database · checked Sep 21, 2026
8Indirect evidenceAuckland Central, New ZealandHQ checked Sep 21, 202611-507 contacts →

Indirect evidence

“Safe doesn’t mean boring.”

Source: RevenueBase Database · checked Sep 21, 2026
9Partial evidenceWellington, New ZealandHQ checked Sep 21, 20261-107 contacts →

Partial evidence

“Personalised, professional commercial security services”

Source: RevenueBase Database · checked Sep 21, 2026
10Partial evidenceAuckland, New ZealandHQ checked Sep 21, 20261-106 contacts →

Partial evidence

“Kaon IT Security specialise in the human factors side of information security.”

Source: RevenueBase Database · checked Sep 21, 2026
11Partial evidenceWellington, New ZealandHQ checked Sep 21, 20261-105 contacts →

Partial evidence

“Expert, highly independent penetration testing and security review services.”

Source: RevenueBase Database · checked Sep 21, 2026
12Partial evidenceCbd, New ZealandHQ checked Sep 21, 20261-104 contacts →

Partial evidence

“ICARAS helps organisations protect their people, property, and reputation through independent, PSR-aligned security assurance.”

Source: RevenueBase Database · checked Sep 21, 2026
13Strong evidenceAuckland, New ZealandHQ checked Sep 21, 20261-104 contacts →

Strong evidence

“Based in Auckland, New Zealand, Resilient IT specialises in Business Continuity and Information Security Consulting, Training, and Disaster Recovery, helping protect New Zealand…”

Source: RevenueBase Database · checked Sep 21, 2026
14Strong evidenceWellington, New ZealandHQ checked Sep 21, 202651-2004 contacts →

Strong evidence

“- IT Security Specialists, known as has been servicing government and corporate clients in New Zealand and across the world for more than 30 years.”

Source: RevenueBase Database · checked Sep 21, 2026
15Partial evidenceAuckland, New ZealandHQ checked Sep 21, 202611-504 contacts →

Partial evidence

“With more than 23 years-experience in the security and investigation industry, the SCOPE team has developed and maintained relationships with a number of long-standing commercial…”

Source: RevenueBase Database · checked Sep 21, 2026
16Partial evidenceAuckland | Wellington | Wherever You Need Us, New ZealandHQ checked Sep 21, 20261-103 contacts →

Partial evidence

“We’re people people, delivering security solutions tailored to your company, whether you’re a fully specced security outfit or just starting on your security journey.”

Source: RevenueBase Database · checked Sep 21, 2026
17Indirect evidenceWellington, New ZealandHQ checked Sep 21, 20261-102 contacts →

Indirect evidence

“Whether you’re starting from scratch, looking to expand, or just want to make sure your systems are protected, we can help.”

Source: RevenueBase Database · checked Sep 21, 2026
18Partial evidenceWellington, New ZealandHQ checked Sep 21, 20261-102 contacts →

Partial evidence

“Division Zero (Ltd) delivers cybersecurity testing and consulting services.”

Source: RevenueBase Database · checked Sep 21, 2026
19Partial evidenceAuckland, New ZealandHQ checked Sep 21, 20261-101 contacts →

Partial evidence

“Fostering Resilience: Data-Driven Security, Crisis Management, and Preparedness, Empowering Organisations to Safeguard Against Threats and Risks.”

Source: RevenueBase Database · checked Sep 21, 2026
20Strong evidenceAuckland, New ZealandHQ checked Sep 21, 20261-101 contacts →

Strong evidence

“Delivering results and peace of mind via expert private investigation and security solutions to the private, corporate and Government sectors since 2012.”

Source: RevenueBase Database · checked Sep 21, 2026
21Indirect evidenceWellington, New ZealandHQ checked Sep 21, 20261-101 contacts →

Indirect evidence

“Navigating cybersecurity doesn’t have to be complex.”

Source: RevenueBase Database · checked Sep 21, 2026
22Strong evidenceThorndon, New ZealandHQ checked Sep 21, 20261-101 contacts →

Strong evidence

Security Simplified is a boutique IT security consulting and penetration testing company headquartered in Wellington, NZ.”

Source: RevenueBase Database · checked Sep 21, 2026

Showing 22 of 51 corporate security consulting firms based in New Zealand

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Corporate security consulting firms based in New Zealand at a glance

As of Sep 21, 2026
51.2%Verified-email coverage
9.2Average contacts per company
1-10Median size (employees)
45.1%Largest-city concentration · Auckland
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
26
11-50
14
51-200
9
201-500
2

Email recency for this list is measured worldwide rather than for New Zealand, so it is reported there. Company counts and contact totals on this page are exact for New Zealand, over 51 companies.

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 corporate security consulting firms, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search 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 Smart Search, 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 “corporate security consulting firms”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names corporate security consulting firms), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among corporate security consulting firms, 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 its RevenueBase Smart Search 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, 241 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 September 21, 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

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names corporate security consulting firms, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many corporate security consulting firms are there based in New Zealand?

RevenueBase identified 51 corporate security consulting firms headquartered in New Zealand as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Defend, headquartered in Auckland, tops this list with the largest team on record.

Which city has the most corporate security consulting firms?

Auckland leads with 23 headquartered companies, followed by Wellington (17) and Christchurch (2).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 241 verified decision-maker contacts tracked across these 51 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 21, 2026.

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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 Smart Search, 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.