Company lists · Data verified August 2026

Top 25 Cybersecurity consultancy companies based in New Zealand

There are 138 cybersecurity consultancy companies headquartered in New Zealand (RevenueBase, August 2026). RevenueBase tracks 862 professional contacts across them, including 466 with verified work emails and 19 with mobile numbers. Auckland is the largest hub.

This list covers cybersecurity consultancy companies headquartered in New Zealand, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

138Companies
862Contacts tracked
466Verified emails
19Mobile numbers
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The 25 largest cybersecurity consultancy companies based in New Zealand

Ranked by team size
Top 25 of 138 cybersecurity consultancy companies based in New Zealand, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#CompanyHQEmployeesContactsVerified emails
1DefendAuckland51-20011981
2Bastion Security GroupWellington51-2009364
3SSSWellington11-503826
4Netpoleon ANZAuckland501-1,0003518
5Optimus SystemsChristchurch11-502716
6Aura Information SecurityWellington11-502519
7Virtuelle GroupAuckland51-2002211
8Liverton Security LimitedWellington11-502116
9NectarChristchurch11-501611
10Nextron/a11-501410
11Optimatech LimitedAuckland11-50146
12KiwiictAuckland11-50133
13Privsec ConsultingWellington11-501210
14RED Wolf High Level Security LTDWellington11-501210
15Layer 9 Information SecurityWellington11-50128
16OptimyzeAuckland11-50115
17Unisphere Solutions Auckland. Secure, Grow & Innovate With Unisphere By Your SideAuckland1-1096
18AMARUAuckland11-5082
19Fenrir SecurityChristchurch1-1075
20Pulse SecurityWellington1-1074
21CyberteamWellington1-1073
22Confide Limitedn/a11-5064
23Quantum Security Services NEW ZealandWellington11-5064
24Plural CyberAuckland1-1063
25CarapaceWellington1-1055

Showing 25 of 138 cybersecurity consultancy companies based in New Zealand

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Cybersecurity consultancy companies based in New Zealand at a glance

As of Aug 28, 2026
1-10Median size (employees)
AucklandLargest hub · 52 HQs
19Contacts with mobile numbers
2Emails re-verified in last 30 days

Companies by employee count

1-10
97
11-50
33
51-200
6
501-1,000
2

Cybersecurity consultancy companies by metro

MetroCompanies
Cybersecurity consultancy companies in Auckland52
Cybersecurity consultancy companies in Wellington45
Cybersecurity consultancy companies in Christchurch8
Cybersecurity consultancy companies in Tauranga2
Cybersecurity consultancy companies in New Zealand1
Cybersecurity consultancy companies in Waimauku1
Cybersecurity consultancy companies in Alexandra1

How this list was built

Source
The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion
Companies whose own business descriptions match “cybersecurity consultancy companies”, with match quality audited by blind human judging, and headquartered in New Zealand.
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
Contact records re-verify on a rolling cadence; 2 contacts on this list were re-verified in the last 30 days.
Refresh
Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many cybersecurity consultancy companies are there based in New Zealand?

There are 138 cybersecurity consultancy companies headquartered in New Zealand as of August 2026 (RevenueBase).

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 cybersecurity consultancy companies?

Auckland leads with 52 headquartered companies, followed by Wellington (45) and Christchurch (8).

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 466 verified decision-maker contacts tracked across these 138 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.