Company lists · Data refreshed September 2026

Top 25 Enterprise telecom consulting companies based in Australia

Name: Enterprise telecom consulting companies based in Australia
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 2, 2026 358 companies tracked

RevenueBase identified 358 enterprise telecom consulting companies headquartered in Australia as of September 2026 and tracks 3,883 professional contacts across them, including 1,256 with verified work emails and 226 with mobile numbers. Melbourne is the largest hub.

This list covers enterprise telecom consulting 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 2, 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 RevenueBase Smart Search rating on every row Refreshed Sep 2, 2026 86% judged on-target in blind review

358Companies

3,883Contacts tracked

1,256Verified emails

226Mobile numbers

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The 25 largest enterprise telecom consulting companies based in Australia

Ranked by team size

Top 25 of 358 enterprise telecom consulting companies based in Australia, ranked by team size, largest first. Data refreshed Sep 2, 2026. RevenueBase Smart Search rates how each company's information relates to enterprise telecom consulting 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.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Efiniti Telecommunications Services PTY LTD	Strong evidence	Macquarie Park, Australia	201-500	133 contacts →
	Strong 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 2, 2026
2	Outcomex	Indirect evidence	South Melbourne, Australia	51-200	115 contacts →
	Indirect evidence “Outcomex is an award winning advisor, devoted to providing intuitive solutions in information technology.” Source: RevenueBase Database · checked Sep 2, 2026
3	Gibson Quai International GQI	Indirect evidence	Perth, Australia	51-200	111 contacts →
	Indirect evidence “Your Trusted Partner in Digital Transformation and Communications Technology 30 Years of Innovation And Expertise GQI has been a trusted advisor and professional services provider…” Source: RevenueBase Database · checked Sep 2, 2026
4	Abishar Technologies	Indirect evidence	Melbourne, Australia	201-500	104 contacts →
	Indirect evidence “We are a Technology focused company, with a mission to assist our Customers to unleash the power of business transformation through effective use of latest technology.” Source: RevenueBase Database · checked Sep 2, 2026
5	Koinonia Enterprises	Partial evidence	Revesby, Australia	51-200	95 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 2, 2026
6	Titan ICT	Indirect evidence	North Sydney, Australia	501-1,000	68 contacts →
	Indirect evidence “As an Australian-owned company with a proud record of delivery since 2003, Titan ICT, a BAI Communications company, operates from offices across the nation.” Source: RevenueBase Database · checked Sep 2, 2026
7	Buroserv Australia PTY LTD	Indirect evidence	Chatswood, Australia	51-200	68 contacts →
	Indirect evidence “Every business is unique.” Source: RevenueBase Database · checked Sep 2, 2026
8	ISA Technologies	Strong evidence	Perth, Australia	51-200	62 contacts →
	Strong evidence “ISA Technologies is an innovative West Australian ICT Company focused on delivering Enterprise Solutions through Consulting Services, Application Development, Operational Services…” Source: RevenueBase Database · checked Sep 2, 2026
9	4tel	Partial evidence	Newcastle, Australia	51-200	53 contacts →
	Partial evidence “4Tel Pty Ltd was formed in March as a management consultancy in the telecommunications sector.” Source: RevenueBase Database · checked Sep 2, 2026
10	Iptel Solutions PTY LTD	Partial evidence	Brisbane, Australia	51-200	53 contacts →
	Partial evidence “IPTel Solutions: Enterprise Network Design and Installation.” Source: RevenueBase Database · checked Sep 2, 2026
11	Reliance Communications PTY LTD	Indirect evidence	Sydney, Australia	11-50	50 contacts →
	Indirect evidence “Reliance is a experienced communications company focused on designing, implementing and managing total telephony solutions.” Source: RevenueBase Database · checked Sep 2, 2026
12	Dipole Group	Partial evidence	North Sydney, Australia	51-200	49 contacts →
	Partial evidence “We are a specialised consulting company, aiming to help Communication Service Providers and IT companies look at professional services differently.” Source: RevenueBase Database · checked Sep 2, 2026
13	Next Telecom	Strong evidence	Notting Hill, Australia	51-200	46 contacts →
	Strong evidence “Complete Telecommunications & Managed Services for Mid-Market & Enterprise Business.” Source: RevenueBase Database · checked Sep 2, 2026
14	Over The Wire	Partial evidence	Sydney, Australia	201-500	44 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 2, 2026
15	Jasco Consulting	Indirect evidence	Melbourne, Australia	51-200	42 contacts →
	Indirect evidence “Since being founded in Melbourne, Australia in 1998, Jasco has an enviable record of growth, starting from a single product, and growing into one of the nation’s strongest…” Source: RevenueBase Database · checked Sep 2, 2026
16	Ccna Converged Communication Network Applications	Partial evidence	Perth, Australia	51-200	40 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 2, 2026
17	Iscs Technologies Private Limited	Partial evidence	Essendon North, Australia	51-200	39 contacts →
	Partial evidence “ISCS Technologies is dedicated in supplying top-notch technological strategic consulting services for businesses globally- Our technical expertise continuously participate in…” Source: RevenueBase Database · checked Sep 2, 2026
18	C5 Technology	Indirect evidence	Brisbane City, Australia	11-50	35 contacts →
	Indirect evidence “C5 Technology is a Brisbane-based IT consultancy company and systems integrator.” Source: RevenueBase Database · checked Sep 2, 2026
19	ITMA	Strong evidence	Belmont, Australia	11-50	35 contacts →
	Strong evidence “IT Management Associates (ITMA) is a provider of Information Technology and Telecommunications (IT & T) consulting and support services.” Source: RevenueBase Database · checked Sep 2, 2026
20	Rubicon 8	Indirect evidence	Mont Albert, Australia	51-200	34 contacts →
	Indirect evidence “At Rubicon 8, we understand that technology is now inherent in an organisation’s workflow between staff, clients and stakeholders.” Source: RevenueBase Database · checked Sep 2, 2026
21	VIS Global PTY LTD	Partial evidence	Melbourne, Australia	11-50	34 contacts →
	Partial evidence “VIS Global Pty Ltd is a leading provider of enterprise communication and customer experience management solutions.” Source: RevenueBase Database · checked Sep 2, 2026
22	TGS Enterprise Networks Official	Indirect evidence	Leeming, Australia	51-200	34 contacts →
	Indirect evidence “Incorporated in 1995 as one of the many business units within Siemens Malaysia Sdn.” Source: RevenueBase Database · checked Sep 2, 2026
23	Connectiv	Indirect evidence	Perth, Australia	11-50	33 contacts →
	Indirect evidence “Todays ‘Connected world’ defines our everyday actions.” Source: RevenueBase Database · checked Sep 2, 2026
24	QBT Consulting	Partial evidence	Frenchs Forest, Australia	11-50	31 contacts →
	Partial evidence “Boasting over 20 years’ experience in the Australian small to mid-market space, Qbt Consulting has continued to deliver solid and innovative managed services to over 250 clients.” Source: RevenueBase Database · checked Sep 2, 2026
25	Wizzio	Partial evidence	Sydney, Australia	51-200	31 contacts →
	Partial evidence “Wizzio – Innovate • Create • Automate Wizzio (formerly ST Consulting (Australia)) is a Sydney-based engineering and design consultancy specialising in Engineering design…” Source: RevenueBase Database · checked Sep 2, 2026

RevenueBase Smart Search

RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: enterprise telecom consulting companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.

Strong evidence: The company's own public description of its business names enterprise telecom consulting companies.
Partial evidence: Its own public description names part of enterprise telecom consulting companies, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name enterprise telecom consulting companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.

RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.

Showing 25 of 358 enterprise telecom consulting companies based in Australia

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Enterprise telecom consulting companies based in Australia at a glance

As of Sep 2, 2026

32.3%Verified-email coverage

5.8%Mobile-number coverage

10.8Average contacts per company

11-50Median size (employees)

15.1%Largest-city concentration · Melbourne

Sep 2, 2026Page data refreshed

Companies by employee count

1-10

174

11-50

134

51-200

201-500

501-1,000

1,001-5,000

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 consulting 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 consulting 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 consulting 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 consulting 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, 1,256 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 2, 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.

Enterprise telecom consulting companies by metro

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 consulting 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 consulting companies are there based in Australia?

RevenueBase identified 358 enterprise telecom consulting 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?

Efiniti Telecommunications Services PTY LTD, headquartered in Macquarie Park, tops this list with the largest team on record.

Which city has the most enterprise telecom consulting companies?

Melbourne leads with 54 headquartered companies, followed by Sydney (47) and Brisbane (18).

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 1,256 verified decision-maker contacts tracked across these 358 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 2, 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.