Company lists · Data refreshed September 2026

Top 20 Telecommunication companies based in Sydney, Australia

Name: Telecommunication companies based in Sydney, Australia
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 13, 2026 44 companies tracked

RevenueBase identified 44 company matches for telecommunication companies associated with Sydney, Australia as of September 2026 and tracks 32,636 professional contacts across them, including 7,856 with verified work emails and 1,496 with mobile numbers. Across Australia, Sydney is the largest hub for this category.

This list covers company matches for telecommunication companies associated with Sydney, 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 13, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 13, 2026 How this list was built

44Companies

32,636Contacts tracked

7,856Verified emails

1,496Mobile numbers

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The 20 largest telecommunication companies based in Sydney, Australia

Ranked by team size

Top 20 of 44 company matches for telecommunication companies based in Sydney, Australia, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 13, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Telstra	Exact match	Sydney, AustraliaHQ recorded Sep 13, 2026	10001+	31,885 contacts →
	Exact match “We believe it’s people who give purpose to our technology.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
2	ACN Pacific	Exact match	Sydney, AustraliaHQ recorded Sep 13, 2026	1,001-5,000	188 contacts →
	Exact match “The ACN story is 2 decades in the making!” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
3	Exetel	Exact match	Sydney, AustraliaHQ recorded Sep 13, 2026	201-500	125 contacts →
	Exact match “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.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
4	Reliance Communications PTY LTD	Exact match	Sydney, AustraliaHQ recorded Sep 13, 2026	11-50	50 contacts →
	Exact match “Reliance is a experienced communications company focused on designing, implementing and managing total telephony solutions.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
5	Next Telecom	Exact match	Sydney, AustraliaHQ recorded Sep 13, 2026	51-200	46 contacts →
	Exact match “Complete Telecommunications & Managed Services for Mid-Market & Enterprise Business.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
6	Arrow Voice & Data	Exact match	Sydney, AustraliaHQ recorded Sep 13, 2026	11-50	41 contacts →
	Exact match “Arrow Voice & Data are your Australian specialists in business communications and IT management.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
7	Telicom Pty. LTD	Exact match	Sydney, AustraliaHQ recorded Sep 13, 2026	n/a	35 contacts →
	Exact match “Telicom is an Australian owned and operated Telecommunications Solutions provider specialising in IoT and mainstream connectivity.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
8	Pennytel	Exact match	Sydney, AustraliaHQ recorded Sep 13, 2026	11-50	27 contacts →
	Exact match “Pennytel is an Australian-owned telecommunications company.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
9	Spintel	Exact match	Sydney, AustraliaHQ recorded Sep 13, 2026	51-200	25 contacts →
	Exact match “Established in 1996, SpinTel is an award-winning Australian telecommunications provider delivering broadband, mobile, and business communication solutions.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
10	China Telecom Australia PTY LTD	Exact match	Sydney, AustraliaHQ recorded Sep 13, 2026	11-50	24 contacts →
	Exact match “China Telecom (Australia) Corporation Limited (CTAU) was established in January 2011.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
11	Optus Business Centre Sydney CBD	Exact match	Sydney, AustraliaHQ recorded Sep 13, 2026	11-50	14 contacts →
	Exact match “Optus Business Centre Sydney CBD has a strong presence in the business Telecommunications and ICT industry, servicing small businesses to large enterprises.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
12	Broadconnect Telecom Business Phone & Internet Provider	Exact match	Sydney, AustraliaHQ recorded Sep 13, 2026	11-50	6 contacts →
	Exact match “BroadConnect helps businesses simplify and strengthen their communication infrastructure, from internet and mobile to cloud-based phone systems.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
13	Lancomm PTY LTD	Exact match	Sydney, AustraliaHQ recorded Sep 13, 2026	11-50	6 contacts →
	Exact match “Lancomm specialises in the design, supply, installation and ongoing maintenance of a diverse range of telecommunications networks, as well as end-to-end building construction…” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
14	Pivot Communications PTY LTD	Exact match	Sydney, AustraliaHQ recorded Sep 13, 2026	1-10	2 contacts →
	Exact match “At Pivot Communications, we are commited in pointing business in the right direction.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
15	Field Services Group PTY Limited	Exact match	Sydney, AustraliaHQ recorded Sep 13, 2026	11-50	2 contacts →
	Exact match “Field Services Group Pty Limited works with Australia's best network operators to deliver and maintain their services all over Australia.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
16	Quatrix Communications	Exact match	Sydney, AustraliaHQ recorded Sep 13, 2026	11-50	1 contacts →
	Exact match “Quatrix Communications is a telecommunications company based out of Sydney, Australia.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
17	Carbon Comms	Exact match	Sydney, AustraliaHQ recorded Sep 13, 2026	1-10	1 contacts →
	Exact match “We are a telecommunications company out to make a difference for all Australians by providing exceptional customer service and being able to deliver on all levels of…” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
18	RNB Communications PTY LTD	Exact match	Sydney, AustraliaHQ recorded Sep 13, 2026	1-10	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 13, 2026 · View company records in RevenueBase
19	Zero ONE Distribution	Exact match	Sydney, AustraliaHQ recorded Sep 13, 2026	1-10	1 contacts →
	Exact match “Zero One is a distribution company focusing on the fixed wireless and enterprise networking space.” Recorded in the RevenueBase company graph · Sep 13, 2026 · View company records in RevenueBase
20	Secure A COM	Exact match	Sydney, AustraliaHQ recorded Sep 13, 2026	1-10	1 contacts →
	Exact match “Highly skilled telephone, internet and data technician.” Recorded in the RevenueBase company graph · Sep 13, 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 “telecommunication companies”. 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 20 of 44 telecommunication companies based in Sydney, Australia

See the full list, filter by size, metro and specialty, and access 7,856 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Telecommunication companies based in Sydney, Australia at a glance

As of Sep 13, 2026

24.1%Verified-email coverage

4.6%Mobile-number coverage

741.7Average contacts per company

11-50Median size (employees)

Sep 13, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

1,001-5,000

10001+

Freshness & accuracy

How recently the business emails were verified and the company information checked

Email last verified

Median 14.0d

6,4010–30

1,39931–60

3561–90

290–180

19180+

Company record updated

Median 85.0d

00–30

7,29131–60

20,54461–90

3,75290–180

1,049180+

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 Sydney, Australia whose business descriptions match “telecommunication companies” 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 7,856 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 13, 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.

Telecommunication companies by metro in Australia

Telecommunication companies in Melbourne35

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 “telecommunication companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many telecommunication companies are there based in Sydney, Australia?

RevenueBase identified 44 company matches for telecommunication companies associated with Sydney, 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?

Telstra tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in Australia has the most telecommunication companies?

Sydney leads Australia with 43 company records, followed by Melbourne (35) and Brisbane (19).

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 7,856 professional contacts with verified work emails tracked across these 44 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 13, 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 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.