Company lists · Data verified August 2026

Top 20 Defense cybersecurity companies based in New Zealand

Name: Defense cybersecurity companies based in New Zealand
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 34 companies tracked

There are 34 defense cybersecurity companies headquartered in New Zealand (RevenueBase, August 2026). RevenueBase tracks 338 professional contacts across them, including 127 with verified work emails and 5 with mobile numbers. Auckland is the largest hub.

This list covers defense cybersecurity 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.

34Companies

338Contacts tracked

127Verified emails

5Mobile numbers

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The 20 largest defense cybersecurity companies based in New Zealand

Ranked by team size

Top 20 of 34 defense cybersecurity 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.
#	Company	HQ	Employees	Contacts	Verified emails
1	Bastion Security Group	Wellington	51-200	93	64
2	Liverton Security Limited	Wellington	11-50	21	16
3	Optimatech Limited	Auckland	11-50	14	6
4	Fenrir Security	Christchurch	1-10	7	5
5	Plural Cyber	Auckland	1-10	6	3
6	Outfox Limited	Paraparaumu	1-10	5	4
7	Wire8 Cyber	Auckland	1-10	5	4
8	SSS	Wellington	51-200	4	2
9	Cybercraft	Auckland	11-50	4	1
10	Tier Zero Security	Wellington	1-10	3	3
11	Cassini Limited	Wellington	1-10	2	2
12	Secure23	Wellington	1-10	2	2
13	Cipher Security	Auckland	11-50	2	1
14	Cyberco	Wellington	1-10	2	1
15	Core 73	Auckland	1-10	2	1
16	Mtcyber Limited	Auckland	1-10	2	1
17	Trust Hound	Wellington	1-10	1	1
18	Tabella	Auckland	1-10	1	1
19	Coresilium	Christchurch	1-10	1	1
20	Silverback Technologies Limited	Auckland	1-10	1	1

Showing 20 of 34 defense cybersecurity companies based in New Zealand

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Defense cybersecurity companies based in New Zealand at a glance

As of Aug 28, 2026

1-10Median size (employees)

AucklandLargest hub · 17 HQs

5Contacts with mobile numbers

1Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

501-1,000

Defense cybersecurity companies by metro

Metro	Companies
Defense cybersecurity companies in Auckland	17
Defense cybersecurity companies in Wellington	11
Defense cybersecurity companies in Christchurch	3
Defense cybersecurity companies in Paraparaumu	1

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 “defense cybersecurity 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; 1 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 defense cybersecurity companies are there based in New Zealand?

There are 34 defense cybersecurity companies headquartered in New Zealand as of August 2026 (RevenueBase).

What is the largest company on this list?

Bastion Security Group, headquartered in Wellington, tops this list with the largest team on record.

Which city has the most defense cybersecurity companies?

Auckland leads with 17 headquartered companies, followed by Wellington (11) and Christchurch (3).

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 127 verified decision-maker contacts tracked across these 34 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.