Company lists · Data refreshed September 2026
Top 19 Communications security contractors based in Australia
RevenueBase identified 52 company matches for communications security contractors associated with Australia as of September 2026 and tracks 295 professional contacts across them, including 115 with verified work emails. Melbourne is the largest hub.
This list covers company matches for communications security contractors associated with Australia, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 27, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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.
The 19 largest communications security contractors based in Australia
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 59 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 2 | 52 contacts → | ||||
Exact match “SCG specialises in providing independent security and communications engineering, and security threat and risk consultancy services, to clients operating in challenging security…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 3 | 17 contacts → | ||||
Exact match “Security Centric is a boutique specialist information security consulting and services organisation.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 4 | 13 contacts → | ||||
Exact match “Comverge is a licensed telecommunications carrier and experienced systems integrator.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 5 | 11 contacts → | ||||
Exact match “At Proton Security, we provide our clients with specialised advice and solutions unique to their business needs and risk profile.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 6 | 8 contacts → | ||||
Exact match “Servicing the Northern Territory, western Queensland and Timor Leste, AJ Technology Services, formerly known as A&J Communications, provides complete communications, security and…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 7 | 7 contacts → | ||||
Exact match “GE Communications PTY LTD is committed to providing its customers with the best solutions in Communications & security system needs.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 8 | 7 contacts → | ||||
Exact match “STSC delivers Security, Technology, and Strategy Consulting services to commercial, corporate, and executive customers; a field in which we have been operating for almost fifteen…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 9 | 5 contacts → | ||||
Exact match “With a singular focus on "Information Security", Trusted Impact prides itself on delivering demonstrable business outcomes by applying an independent perspective and by leveraging…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 10 | 5 contacts → | ||||
Exact match “Reckon Security provides expertise in IT Security services to Australian government and corporate clients.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 11 | 3 contacts → | ||||
Exact match “Security is not an exact science.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 12 | 2 contacts → | ||||
Exact match “RAISING AUSTRALIAN SECURITY AND BUSINESS RESILIENCE TO NEW HEIGHTS.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 13 | 2 contacts → | ||||
Exact match “Jayde Consulting provides professional and discreet services to protect sensitive, confidential and commercially valuable information from electronic eavesdropping, surveillance…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 14 | 2 contacts → | ||||
Exact match “PROTECT YOUR BUSINESS WITH THE LEADERS IN SECURITY SOLUTIONS.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 15 | 2 contacts → | ||||
Exact match “Offering cybersecurity consulting and advisory services to help secure your organisation.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 16 | 1 contacts → | ||||
Exact match “Proudly Australian-owned, InTec1 is a leading provider of professional security consulting services to the government, commercial and critical infrastructure sectors.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 17 | 1 contacts → | ||||
Exact match “As trusted, independent security and emergency management consultants, our practice has over 30 years of security and emergency risk management experience extending across the…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 18 | 1 contacts → | ||||
Exact match “Established in 2023, RNB Communications combines a specialist electrical and communications contracting capability with a national presence.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 19 | 1 contacts → | ||||
Exact match “3DR Pty Ltd is a Canberra based small business providing specialist security technology; and security risk management consulting services to Australian Government and Private…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “communications security contractors”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 19 of 52 communications security contractors based in Australia
See the full list, filter by size, metro and specialty, and access 115 tracked professional contacts with verified work emails. Direct dials are available where recorded.
Free signup · no credit card
Communications security contractors based in Australia at a glance
As of Sep 27, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for Australia, so it is reported there. Company counts and contact totals on this page are exact for Australia, over 52 companies.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Company records associated with Australia whose business descriptions match “communications security contractors” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- 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 displayed company carries at least one verified work email. RevenueBase tracks 115 professional contacts with verified work emails across the full matched dataset. 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 27, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “communications security contractors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many communications security contractors are there based in Australia?
RevenueBase identified 52 company matches for communications security contractors associated with Australia as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
C4i tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most communications security contractors?
Melbourne leads with 10 company records, followed by Sydney (9) and Canberra (2).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 115 professional contacts with verified work emails tracked across these 52 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 27, 2026.
Ready to reach these companies? Verified emails and direct dials for all 52 communications security contractors based in Australia. Start with a free account, no credit card.
Download this list →Related lists
Communications security contractors by geography
- Communications security contractors based in Brazil
- Communications security contractors based in Canada
- Communications security contractors based in France
- Communications security contractors based in Germany
- Communications security contractors based in Mexico
- Communications security contractors based in Spain
- Communications security contractors based in the United Kingdom
- Communications security contractors based in the United States
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 SmartSearch, 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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Communications security contractors based in Brazil
- Communications security contractors based in Canada
- Communications security contractors based in France
- Communications security contractors based in Germany
- Communications security contractors based in Mexico
- Communications security contractors based in Spain
Company intelligence · public preview
Top 19 communications security contractors based in Australia
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 52 matching company records for communications security contractors based in Australia, with 295 tracked contacts and 115 verified work emails.
This public preview shows 19 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 27, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 19 communications security contractors based in Australia
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  C4ic4i.comHQ: Melbourne, AustraliaReported employees: 51-200 | Melbourne, Australia | 51-200 | Exact match | 59 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 2 |  Security Consulting Group PTY LTD SCGsecurityconsultinggroup.com.auHQ: Melbourne, AustraliaReported employees: 51-200 | Melbourne, Australia | 51-200 | Exact match | 52 contacts → |
“SCG specialises in providing independent security and communications engineering, and security threat and risk consultancy services, to clients operating in challenging security…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Security Centricsecuritycentric.com.auHQ: Sydney Cbd, AustraliaReported employees: 11-50 | Sydney Cbd, Australia | 11-50 | Exact match | 17 contacts → |
“Security Centric is a boutique specialist information security consulting and services organisation.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Comverge Networkscomverge.com.au HQ: Boronia, AustraliaReported employees: 11-50 | Boronia, Australia | 11-50 | Exact match | 13 contacts → |
“Comverge is a licensed telecommunications carrier and experienced systems integrator.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Proton Securityprotonsecurity.com.auHQ: Bondi Junction, AustraliaReported employees: 11-50 | Bondi Junction, Australia | 11-50 | Exact match | 11 contacts → |
“At Proton Security, we provide our clients with specialised advice and solutions unique to their business needs and risk profile.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  AJ Technology Servicesajts.com.auHQ: Winnellie, AustraliaReported employees: 11-50 | Winnellie, Australia | 11-50 | Exact match | 8 contacts → |
“Servicing the Northern Territory, western Queensland and Timor Leste, AJ Technology Services, formerly known as A&J Communications, provides complete communications, security and…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  GE Communications PTY LTDgecomms.com.auHQ: Sydney, AustraliaReported employees: 11-50 | Sydney, Australia | 11-50 | Exact match | 7 contacts → |
“GE Communications PTY LTD is committed to providing its customers with the best solutions in Communications & security system needs.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  STSCstsc.com.auHQ: Canberra, AustraliaReported employees: 1-10 | Canberra, Australia | 1-10 | Exact match | 7 contacts → |
“STSC delivers Security, Technology, and Strategy Consulting services to commercial, corporate, and executive customers; a field in which we have been operating for almost fifteen…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Trusted Impact PTY LTDtrustedimpact.comHQ: Melbourne, AustraliaReported employees: 11-50 | Melbourne, Australia | 11-50 | Exact match | 5 contacts → |
“With a singular focus on "Information Security", Trusted Impact prides itself on delivering demonstrable business outcomes by applying an independent perspective and by leveraging…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Reckon Securityreckonsecurity.com.auHQ: Adelaide, AustraliaReported employees: 1-10 | Adelaide, Australia | 1-10 | Exact match | 5 contacts → |
“Reckon Security provides expertise in IT Security services to Australian government and corporate clients.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Culpritculprit.com.auHQ: Melbourne, AustraliaReported employees: 11-50 | Melbourne, Australia | 11-50 | Exact match | 3 contacts → |
“Security is not an exact science.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Industry Riskindustryrisk.com.auHQ: Sydney, AustraliaReported employees: 1-10 | Sydney, Australia | 1-10 | Exact match | 2 contacts → |
“RAISING AUSTRALIAN SECURITY AND BUSINESS RESILIENCE TO NEW HEIGHTS.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Jayde Consulting PTY LTD Threat Advisoryjaydeconsulting.com HQ: Sydney, AustraliaReported employees: 1-10 | Sydney, Australia | 1-10 | Exact match | 2 contacts → |
“Jayde Consulting provides professional and discreet services to protect sensitive, confidential and commercially valuable information from electronic eavesdropping, surveillance…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Agilientagilient.com.auHQ: North Sydney, AustraliaReported employees: 11-50 | North Sydney, Australia | 11-50 | Exact match | 2 contacts → |
“PROTECT YOUR BUSINESS WITH THE LEADERS IN SECURITY SOLUTIONS.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Engarde Cybersecurityengarde.com.au HQ: Oakleigh South, AustraliaReported employees: 1-10 | Oakleigh South, Australia | 1-10 | Exact match | 2 contacts → |
“Offering cybersecurity consulting and advisory services to help secure your organisation.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Intec1intec1.com.auHQ: Melbourne, AustraliaReported employees: 51-200 | Melbourne, Australia | 51-200 | Exact match | 1 contacts → |
“Proudly Australian-owned, InTec1 is a leading provider of professional security consulting services to the government, commercial and critical infrastructure sectors.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Harris Security Managementharris.com.auHQ: Leichhardt, AustraliaReported employees: 1-10 | Leichhardt, Australia | 1-10 | Exact match | 1 contacts → |
“As trusted, independent security and emergency management consultants, our practice has over 30 years of security and emergency risk management experience extending across the…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  RNB Communications PTY LTDrnbcommunications.com.auHQ: Sydney, AustraliaReported employees: 1-10 | Sydney, Australia | 1-10 | Exact match | 1 contacts → |
“Established in 2023, RNB Communications combines a specialist electrical and communications contracting capability with a national presence.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | 3dr PTY LTDdddr.com.au HQ: Chisholm, AustraliaReported employees: 1-10 | Chisholm, Australia | 1-10 | Exact match | 1 contacts → |
“3DR Pty Ltd is a Canberra based small business providing specialist security technology; and security risk management consulting services to Australian Government and Private…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 19 of 52 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Communications security contractors: dataset insights
September 27, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
51 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for Australia, so it is reported there. Company counts and contact totals on this page are exact for Australia, over 52 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 27, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for communications security contractors?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many communications security contractors did RevenueBase find based in Australia?
The saved snapshot records 52 matching company records, 295 tracked contacts and 115 verified emails. The public preview displays 19 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 27, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Communications security contractors by geography
- Communications security contractors based in Brazil
- Communications security contractors based in Canada
- Communications security contractors based in France
- Communications security contractors based in Germany
- Communications security contractors based in Mexico
- Communications security contractors based in Spain
- Communications security contractors based in the United Kingdom
- Communications security contractors based in the United States
Cite this list
RevenueBase Data Team. Top 19 communications security contractors based in Australia. Snapshot: September 27, 2026. https://revenuebase.ai/companies/communications-security-contractors/australia.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Communications security contractors based in Brazil
- Communications security contractors based in Canada
- Communications security contractors based in France
- Communications security contractors based in Germany
- Communications security contractors based in Mexico
- Communications security contractors based in Spain
Company intelligence · public preview
Top 19 communications security contractors based in Australia
RevenueBase records 52 matching company records for communications security contractors based in Australia, with 295 tracked contacts and 115 verified work emails.
This public preview shows 19 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 27, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 19 communications security contractors based in Australia
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | C4ic4i.com HQ: Melbourne, AustraliaReported employees: 51-200 | Melbourne, Australia | 51-200 | Exact match | 59 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 2 | Security Consulting Group PTY LTD SCGsecurityconsultinggroup.com.au HQ: Melbourne, AustraliaReported employees: 51-200 | Melbourne, Australia | 51-200 | Exact match | 52 contacts → |
“SCG specialises in providing independent security and communications engineering, and security threat and risk consultancy services, to clients operating in challenging security…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Security Centricsecuritycentric.com.au HQ: Sydney Cbd, AustraliaReported employees: 11-50 | Sydney Cbd, Australia | 11-50 | Exact match | 17 contacts → |
“Security Centric is a boutique specialist information security consulting and services organisation.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Comverge Networkscomverge.com.au HQ: Boronia, AustraliaReported employees: 11-50 | Boronia, Australia | 11-50 | Exact match | 13 contacts → |
“Comverge is a licensed telecommunications carrier and experienced systems integrator.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Proton Securityprotonsecurity.com.au HQ: Bondi Junction, AustraliaReported employees: 11-50 | Bondi Junction, Australia | 11-50 | Exact match | 11 contacts → |
“At Proton Security, we provide our clients with specialised advice and solutions unique to their business needs and risk profile.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | AJ Technology Servicesajts.com.au HQ: Winnellie, AustraliaReported employees: 11-50 | Winnellie, Australia | 11-50 | Exact match | 8 contacts → |
“Servicing the Northern Territory, western Queensland and Timor Leste, AJ Technology Services, formerly known as A&J Communications, provides complete communications, security and…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | GE Communications PTY LTDgecomms.com.au HQ: Sydney, AustraliaReported employees: 11-50 | Sydney, Australia | 11-50 | Exact match | 7 contacts → |
“GE Communications PTY LTD is committed to providing its customers with the best solutions in Communications & security system needs.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | STSCstsc.com.au HQ: Canberra, AustraliaReported employees: 1-10 | Canberra, Australia | 1-10 | Exact match | 7 contacts → |
“STSC delivers Security, Technology, and Strategy Consulting services to commercial, corporate, and executive customers; a field in which we have been operating for almost fifteen…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Trusted Impact PTY LTDtrustedimpact.com HQ: Melbourne, AustraliaReported employees: 11-50 | Melbourne, Australia | 11-50 | Exact match | 5 contacts → |
“With a singular focus on "Information Security", Trusted Impact prides itself on delivering demonstrable business outcomes by applying an independent perspective and by leveraging…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Reckon Securityreckonsecurity.com.au HQ: Adelaide, AustraliaReported employees: 1-10 | Adelaide, Australia | 1-10 | Exact match | 5 contacts → |
“Reckon Security provides expertise in IT Security services to Australian government and corporate clients.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Culpritculprit.com.au HQ: Melbourne, AustraliaReported employees: 11-50 | Melbourne, Australia | 11-50 | Exact match | 3 contacts → |
“Security is not an exact science.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Industry Riskindustryrisk.com.au HQ: Sydney, AustraliaReported employees: 1-10 | Sydney, Australia | 1-10 | Exact match | 2 contacts → |
“RAISING AUSTRALIAN SECURITY AND BUSINESS RESILIENCE TO NEW HEIGHTS.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Jayde Consulting PTY LTD Threat Advisoryjaydeconsulting.com HQ: Sydney, AustraliaReported employees: 1-10 | Sydney, Australia | 1-10 | Exact match | 2 contacts → |
“Jayde Consulting provides professional and discreet services to protect sensitive, confidential and commercially valuable information from electronic eavesdropping, surveillance…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Agilientagilient.com.au HQ: North Sydney, AustraliaReported employees: 11-50 | North Sydney, Australia | 11-50 | Exact match | 2 contacts → |
“PROTECT YOUR BUSINESS WITH THE LEADERS IN SECURITY SOLUTIONS.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Engarde Cybersecurityengarde.com.au HQ: Oakleigh South, AustraliaReported employees: 1-10 | Oakleigh South, Australia | 1-10 | Exact match | 2 contacts → |
“Offering cybersecurity consulting and advisory services to help secure your organisation.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Intec1intec1.com.au HQ: Melbourne, AustraliaReported employees: 51-200 | Melbourne, Australia | 51-200 | Exact match | 1 contacts → |
“Proudly Australian-owned, InTec1 is a leading provider of professional security consulting services to the government, commercial and critical infrastructure sectors.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Harris Security Managementharris.com.au HQ: Leichhardt, AustraliaReported employees: 1-10 | Leichhardt, Australia | 1-10 | Exact match | 1 contacts → |
“As trusted, independent security and emergency management consultants, our practice has over 30 years of security and emergency risk management experience extending across the…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | RNB Communications PTY LTDrnbcommunications.com.au HQ: Sydney, AustraliaReported employees: 1-10 | Sydney, Australia | 1-10 | Exact match | 1 contacts → |
“Established in 2023, RNB Communications combines a specialist electrical and communications contracting capability with a national presence.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | 3dr PTY LTDdddr.com.au HQ: Chisholm, AustraliaReported employees: 1-10 | Chisholm, Australia | 1-10 | Exact match | 1 contacts → |
“3DR Pty Ltd is a Canberra based small business providing specialist security technology; and security risk management consulting services to Australian Government and Private…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 19 of 52 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Communications security contractors: dataset insights
September 27, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
51 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for Australia, so it is reported there. Company counts and contact totals on this page are exact for Australia, over 52 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 27, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for communications security contractors?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many communications security contractors did RevenueBase find based in Australia?
The saved snapshot records 52 matching company records, 295 tracked contacts and 115 verified emails. The public preview displays 19 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 27, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Communications security contractors by geography
- Communications security contractors based in Brazil
- Communications security contractors based in Canada
- Communications security contractors based in France
- Communications security contractors based in Germany
- Communications security contractors based in Mexico
- Communications security contractors based in Spain
- Communications security contractors based in the United Kingdom
- Communications security contractors based in the United States
Cite this list
RevenueBase Data Team. Top 19 communications security contractors based in Australia. Snapshot: September 27, 2026. https://revenuebase.ai/companies/communications-security-contractors/australia.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Communications security contractors based in Brazil
- Communications security contractors based in Canada
- Communications security contractors based in France
- Communications security contractors based in Germany
- Communications security contractors based in Mexico
- Communications security contractors based in Spain