Company lists · Data refreshed September 2026

Top 25 Enterprise telecom companies based in Australia

RevenueBase identified 483 enterprise telecom companies headquartered in Australia as of September 2026 and tracks 42,709 professional contacts across them, including 11,813 with verified work emails. Sydney is the largest hub.

This list covers enterprise telecom companies headquartered in Australia, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 21, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 21, 2026 86% judged on-target in blind review
483Companies
42,709Contacts tracked
11,813Verified emails
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The 25 largest enterprise telecom companies based in Australia

Ranked by team size
Top 25 of 483 enterprise telecom companies based in Australia, ranked by team size, largest first. Data refreshed Sep 21, 2026. RevenueBase Smart Search rates how each company's information relates to enterprise telecom companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceSydney, AustraliaHQ checked Sep 21, 202610001+31,885 contacts →

Indirect evidence

“We believe it’s people who give purpose to our technology.”

Source: RevenueBase Database · checked Sep 21, 2026
2Partial evidenceBarangaroo, AustraliaHQ checked Sep 21, 20261,001-5,0003,352 contacts →

Partial evidence

“TPG Telecom is one of Australia’s largest telecommunication companies and operates a number of leading mobile and internet brands including Vodafone, TPG, iiNet, Internode…”

Source: RevenueBase Database · checked Sep 21, 2026
3Indirect evidenceMelbourne, AustraliaHQ checked Sep 21, 20261,001-5,0001,501 contacts →

Indirect evidence

“Vocus connects people, businesses, governments and communities across Australia – and to the world.”

Source: RevenueBase Database · checked Sep 21, 2026
4Partial evidenceMacquarie Park, AustraliaHQ checked Sep 21, 2026201-500136 contacts →

Partial evidence

“Efiniti Telecommunications Services is an Australian-owned company operating across the telecommunications, ICT, and consulting sectors, delivering specialist technical and…”

Source: RevenueBase Database · checked Sep 21, 2026
5Indirect evidenceSydney, AustraliaHQ checked Sep 21, 2026201-500125 contacts →

Indirect evidence

“Starting life over 15 years ago as a family-owned business, Exetel today is a part of the Superloop Group, Australia's fastest-growing challenger telco.”

Source: RevenueBase Database · checked Sep 21, 2026
6Indirect evidenceMacquarie Park, AustraliaHQ checked Sep 21, 2026501-1,000125 contacts →

Indirect evidence

“Alphawest, in conjunction with our parent company SingTel Optus, can provide integrated information and communication technology solutions to private businesses, public companies…”

Source: RevenueBase Database · checked Sep 21, 2026
7Partial evidenceRevesby, AustraliaHQ checked Sep 21, 202651-20097 contacts →

Partial evidence

“Koinonia Enterprises is an Australian company specialized in Fixed line and Mobile Communications Networks providing turnkey solutions in design, deployment and integration…”

Source: RevenueBase Database · checked Sep 21, 2026
8Indirect evidenceMacquarie Park, AustraliaHQ checked Sep 21, 202651-20081 contacts →

Indirect evidence

“Hubify Limited ASX: HFY is is growing, come and be a part of it!”

Source: RevenueBase Database · checked Sep 21, 2026
9Partial evidenceBrisbane, AustraliaHQ checked Sep 21, 202651-20079 contacts →

Partial evidence

“Vonex is a renowned ASX-listed telecommunications company championing connectivity for thousands of businesses across Australia.”

Source: RevenueBase Database · checked Sep 21, 2026
10Indirect evidenceSydney, AustraliaHQ checked Sep 21, 202651-20075 contacts →

Indirect evidence

“Telestar manages the IT and communications of businesses and governments.”

Source: RevenueBase Database · checked Sep 21, 2026
11Indirect evidenceChatswood, AustraliaHQ checked Sep 21, 202651-20069 contacts →

Indirect evidence

“Every business is unique.”

Source: RevenueBase Database · checked Sep 21, 2026
12Indirect evidenceNorth Sydney, AustraliaHQ checked Sep 21, 202651-20065 contacts →

Indirect evidence

“Hi:) We're L2X.”

Source: RevenueBase Database · checked Sep 21, 2026
13Indirect evidenceMelbourne, AustraliaHQ checked Sep 21, 2026201-50065 contacts →

Indirect evidence

“In November 2016, Nextgen Group joined forces with Vocus Communications.”

Source: RevenueBase Database · checked Sep 21, 2026
14Indirect evidenceNorth Sydney, AustraliaHQ checked Sep 21, 202611-5064 contacts →

Indirect evidence

“At Occom, we’re all about delivering faster internet and mobile services that you can rely on, backed by our industry-leading support team.”

Source: RevenueBase Database · checked Sep 21, 2026
15Indirect evidenceMurarrie, AustraliaHQ checked Sep 21, 202651-20060 contacts →

Indirect evidence

“Telair is a leading Australian supplier of data services and cloud based Unified Communications solutions.”

Source: RevenueBase Database · checked Sep 21, 2026
16Partial evidenceUnley Rd, AustraliaHQ checked Sep 21, 202651-20055 contacts →

Partial evidence

“One Solution Group Telstra Platinum Enterprise Partner, we offer enhanced implementation of services and solutions, working in a teamed environment with Telstra Enterprise and…”

Source: RevenueBase Database · checked Sep 21, 2026
17Indirect evidenceNorth Sydney, AustraliaHQ checked Sep 21, 202611-5050 contacts →

Indirect evidence

“We’re ICT Networks.”

Source: RevenueBase Database · checked Sep 21, 2026
18Strong evidenceSydney, AustraliaHQ checked Sep 21, 202651-20046 contacts →

Strong evidence

“Complete Telecommunications & Managed Services for Mid-Market & Enterprise Business.”

Source: RevenueBase Database · checked Sep 21, 2026
19Partial evidenceBrisbane, AustraliaHQ checked Sep 21, 2026201-50044 contacts →

Partial evidence

“Over the Wire (ASX:OTW) is a Telecommunications and IT solution provider, specialising in converged voice and data networks, data centres, and hosted infrastructure solutions for…”

Source: RevenueBase Database · checked Sep 21, 2026
20Indirect evidenceSydney, AustraliaHQ checked Sep 21, 202651-20043 contacts →

Indirect evidence

“Comms Group provides a full range of IT and Communications services from the Cloud including IT managed services, cloud hosting, cloud communications and Unified Communications…”

Source: RevenueBase Database · checked Sep 21, 2026
21Indirect evidenceSydney, AustraliaHQ checked Sep 21, 202611-5041 contacts →

Indirect evidence

“Arrow Voice & Data are your Australian specialists in business communications and IT management.”

Source: RevenueBase Database · checked Sep 21, 2026
22Partial evidenceNorth Sydney, AustraliaHQ checked Sep 21, 202651-20041 contacts →

Partial evidence

“CCNA is a carrier-independent network integrator that serves Enterprise and Government clients in Australia, and around the world.”

Source: RevenueBase Database · checked Sep 21, 2026
23Indirect evidenceFrenchs Forest, AustraliaHQ checked Sep 21, 2026n/a39 contacts →

Indirect evidence

“Nextel Ltd, formally ASAP Communications Pty Ltd, was founded in 1990 to offer businesses a single-source provider for cabling and NEC telephony systems, voice, data and…”

Source: RevenueBase Database · checked Sep 21, 2026
24Indirect evidenceNorth Ryde, AustraliaHQ checked Sep 21, 202611-5038 contacts →

Indirect evidence

“At EDV we believe that establishing great communication between business and their customers is key to their success and growth in their markets.”

Source: RevenueBase Database · checked Sep 21, 2026
25Indirect evidenceNorth Ryde, AustraliaHQ checked Sep 21, 202651-20037 contacts →

Indirect evidence

“For more than 25 years, Addcom Technologies has been empowering Australian and global organisations with strategic IT and communications solutions that make technology work for…”

Source: RevenueBase Database · checked Sep 21, 2026

Showing 25 of 483 enterprise telecom companies based in Australia

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Enterprise telecom companies based in Australia at a glance

As of Sep 21, 2026
27.7%Verified-email coverage
88.4Average contacts per company
11-50Median size (employees)
11.2%Largest-city concentration · Sydney
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
183
11-50
218
51-200
59
201-500
14
501-1,000
2
1,001-5,000
4
10001+
1

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 483 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among enterprise telecom companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in Australia whose own description of what they do matches “enterprise telecom companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names enterprise telecom companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among enterprise telecom companies, and records with no verified work email. Companies headquartered outside Australia are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 11,813 across the full list. 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 21, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names enterprise telecom companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many enterprise telecom companies are there based in Australia?

RevenueBase identified 483 enterprise telecom companies headquartered in Australia as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Telstra, headquartered in Sydney, tops this list with the largest team on record.

Which city has the most enterprise telecom companies?

Sydney leads with 54 headquartered companies, followed by Melbourne (46) and Brisbane (25).

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 11,813 verified decision-maker contacts tracked across these 483 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 21, 2026.

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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 Smart Search, 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.