Company lists · Data verified August 2026

Top 25 Corporate security consultants based in Australia

Name: Corporate security consultants based in Australia
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 305 companies tracked

There are 305 corporate security consultants headquartered in Australia (RevenueBase, August 2026). RevenueBase tracks 4,409 professional contacts across them, including 1,135 with verified work emails and 163 with mobile numbers. Melbourne is the largest hub.

This list covers corporate security consultants headquartered in Australia, 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.

305Companies

4,409Contacts tracked

1,135Verified emails

163Mobile numbers

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The 25 largest corporate security consultants based in Australia

Ranked by team size

Top 25 of 305 corporate security consultants based in Australia, 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	Wilson Security	Essendon Fields	5,001-10,000	1,805	425
2	ADT Security Australia	Rydalmere	501-1,000	179	37
3	Optic Security Group	Broome	201-500	122	92
4	MCS Security	Joondalup	501-1,000	85	20
5	ISEC	Alexandria	201-500	85	8
6	National Protective Services	South Melbourne	1,001-5,000	81	3
7	LKA Group	Ballajura	51-200	60	14
8	Exec Security	Melbourne	501-1,000	58	21
9	Vibrant Services	Coburg North	201-500	51	13
10	Security Consulting Group PTY LTD SCG	Brisbane City	51-200	50	35
11	Reddawn Australia PTY LTD	Sydney Olympic Park	201-500	48	10
12	Vectra	Melbourne	51-200	42	19
13	IPP Consulting PTY LTD	Canberra	51-200	37	24
14	H3c Plus	Phillip	51-200	34	29
15	DAVKI	Gold Coast	51-200	34	8
16	Security1 S1	Phillip	51-200	33	8
17	The Security HUB	Melbourne	201-500	29	2
18	ANSIC	Bowen Hills	51-200	29	2
19	Oscar Security Group PTY LTD	Chipping Norton	51-200	28	3
20	Group 1 Security	Sydney	201-500	25	2
21	Exact Security	Jamisontown	51-200	24	5
22	AMA Security	Adelaide	51-200	21	3
23	NEW Security Solutions	Cbd	501-1,000	17	2
24	Safer Community Security	West Perth	51-200	15	7
25	Nova Security Group	Sydney	201-500	15	4

Showing 25 of 305 corporate security consultants based in Australia

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 1,135 reachable decision-makers.

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Corporate security consultants based in Australia at a glance

As of Aug 28, 2026

11-50Median size (employees)

MelbourneLargest hub · 48 HQs

163Contacts with mobile numbers

1Emails re-verified in last 30 days

Companies by employee count

1-10

140

11-50

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

Corporate security consultants by metro

Metro	Companies
Corporate security consultants in Melbourne	48
Corporate security consultants in Sydney	44
Corporate security consultants in Perth	13
Corporate security consultants in Brisbane	13
Corporate security consultants in Canberra	11
Corporate security consultants in Adelaide	9
Corporate security consultants in Port Melbourne	6
Corporate security consultants in Alexandria	5

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 “corporate security consultants”, with match quality audited by blind human judging, and headquartered in Australia.
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 corporate security consultants are there based in Australia?

There are 305 corporate security consultants headquartered in Australia as of August 2026 (RevenueBase).

What is the largest company on this list?

Wilson Security, headquartered in Essendon Fields, tops this list with the largest team on record.

Which city has the most corporate security consultants?

Melbourne leads with 48 headquartered companies, followed by Sydney (44) and Perth (13).

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 1,135 verified decision-maker contacts tracked across these 305 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.