Company lists · Data verified August 2026

Top 25 Cybersecurity companies in New Zealand

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 119 companies tracked

Our directory lists 119 cybersecurity companies 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 28, 2026.

119Companies

973Contacts tracked

471Verified emails

30Mobile numbers

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The 25 largest cybersecurity companies in New Zealand

Ranked by team size

Top 25 of 119 cybersecurity companies 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	Defend	Auckland	51-200	119	81
2	Bastion Security Group	Wellington	51-200	93	64
3	Redshield	Wellington	51-200	48	34
4	SSS	Wellington	11-50	38	26
5	SMX Email Cyber Security Specialists	Auckland	11-50	38	25
6	Netpoleon ANZ	Auckland	501-1,000	35	18
7	Aura Information Security	Wellington	11-50	25	19
8	Emsisoft	Nelson	11-50	24	11
9	Liverton Security Limited	Wellington	11-50	21	16
10	Silicon Systems Limited	Upper Hutt	11-50	18	10
11	Nectar	Christchurch	11-50	16	11
12	Showtime Consulting	Christchurch	11-50	15	9
13	Nextro	n/a	11-50	14	10
14	Optimatech Limited	Auckland	11-50	14	6
15	Kiwiict	Auckland	11-50	13	3
16	Optimyze	Auckland	11-50	11	5
17	Signal Corporation Limited	Wellington	11-50	9	1
18	cyzea.io	Hamilton	1-10	8	3
19	AMARU	Auckland	11-50	8	2
20	Fenrir Security	Christchurch	1-10	7	5
21	Pulse Security	Wellington	1-10	7	4
22	Cyberteam	Wellington	1-10	7	3
23	Mindshift	n/a	1-10	6	5
24	Diode Security	Wellington	1-10	6	5
25	Plural Cyber	Auckland	1-10	6	3
26	Outfox Limited	Paraparaumu	1-10	5	4
27	Vigilantpay	North Shore	1-10	5	1
28	Cybercraft	Auckland	11-50	4	1

Showing 25 of 119 cybersecurity companies in New Zealand

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Cybersecurity companies in New Zealand at a glance

As of Aug 28, 2026

1-10Median size (employees)

AucklandLargest hub · 46 HQs

30Contacts with mobile numbers

4Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

501-1,000

Companies by metro

Metro	Companies
Cybersecurity companies in Auckland	46
Cybersecurity companies in Wellington	32
Cybersecurity companies in Christchurch	8
Cybersecurity companies in Hamilton	4
Cybersecurity companies in Tauranga	3
Cybersecurity companies in New Zealand	1
Cybersecurity companies in Hawera	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 “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; 4 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 companies are in the directory?

The directory lists 119 cybersecurity companies 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.

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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.