Company lists · Data refreshed November 2026

Top 25 Network design and engineering firms based in Australia

RevenueBase identified 339 company matches for network design and engineering firms associated with Australia as of November 2026 and tracks 6,251 professional contacts across them, including 2,384 with verified work emails. Sydney is the largest hub.

This list covers company matches for network design and engineering firms 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 November 6, 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 Nov 6, 2026 How this list was built
339Companies
6,251Contacts tracked
2,384Verified emails
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The 25 largest network design and engineering firms based in Australia

Ranked by team size
Top 25 of 339 company matches for network design and engineering firms based in Australia, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchSydney, AustraliaHQ recorded Nov 6, 20261,001-5,000832 contacts →

Exact match

“NCS in Australia is reinventing technology services from the inside out.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchNorth Sydney, AustraliaHQ recorded Nov 6, 2026501-1,000531 contacts →

Exact match

“Great engineering starts with great people.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchSydney, AustraliaHQ recorded Nov 6, 2026201-500429 contacts →

Exact match

“We are Orro – Australia’s platform-enabled, secure network and digital infrastructure provider.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchNorth Sydney, AustraliaHQ recorded Nov 6, 2026501-1,000227 contacts →

Exact match

“SYSTRA ANZ is a leading consulting and engineering firm delivering innovative, practical and sustainable solutions across transport, infrastructure, buildings, water, energy…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchBurswood, AustraliaHQ recorded Nov 6, 2026201-500159 contacts →

Exact match

“Partum is an Australian based company providing engineering design and project consulting advice.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchMacquarie Park, AustraliaHQ recorded Nov 6, 2026201-500140 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchKeilor Park, AustraliaHQ recorded Nov 6, 202651-200123 contacts →

Exact match

“CommTel is a leading international provider of advanced and engineered solutions for mission and business critical networks.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchAdelaide, AustraliaHQ recorded Nov 6, 202651-200111 contacts →

Exact match

“TMK Consulting Engineers success and growth is built on a reputation of delivering broad-based engineering design that is high quality, technical excellence, reliable and building…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchSydney, AustraliaHQ recorded Nov 6, 202651-200109 contacts →

Exact match

“Delivering mission-critical digital infrastructure.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchMelbourne, AustraliaHQ recorded Nov 6, 202651-20067 contacts →

Exact match

“Adams Consulting Engineers began in Melbourne in 1991, with a small team of talented structural and civil consulting engineers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchBrisbane, AustraliaHQ recorded Nov 6, 202651-20065 contacts →

Exact match

“Civil and Structural Consulting Engineers Bornhorst + Ward combine 50 years business experience, innovative design, advanced technology, cunting edge solutions, quality and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchPerth, AustraliaHQ recorded Nov 6, 202651-20065 contacts →

Exact match

“Streamline Connect is a premier telecommunications construction delivery business and have been providing telecommunications solutions since 1998.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchOakleigh, AustraliaHQ recorded Nov 6, 202651-20064 contacts →

Exact match

“Balpara delivers electrical and structural engineering services to customers across Australia.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchBraddon, AustraliaHQ recorded Nov 6, 202611-5056 contacts →

Exact match

“Sellick Consultants is an award winning, multi-disciplinary engineering consulting firm offering superior design skills in the fields of structural, civil and hydraulic…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchNewcastle, AustraliaHQ recorded Nov 6, 202611-5052 contacts →

Exact match

“Electrical Projects Australia (EPA) is one Australia’s most prominent Electrical Design company's.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchEltham, AustraliaHQ recorded Nov 6, 202611-5051 contacts →

Exact match

“ARA Electrical Services is an electrical engineering and contracting company based in Victoria and operates all around Australia.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchNorth Sydney, AustraliaHQ recorded Nov 6, 202611-5051 contacts →

Exact match

“We’re ICT Networks.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchBrisbane, AustraliaHQ recorded Nov 6, 202651-20048 contacts →

Exact match

“IPTel Solutions: Enterprise Network Design and Installation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchNorth Sydney, AustraliaHQ recorded Nov 6, 202651-20045 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchBrisbane, AustraliaHQ recorded Nov 6, 2026201-50045 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchNorth Sydney, AustraliaHQ recorded Nov 6, 2026501-1,00042 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchBrisbane City, AustraliaHQ recorded Nov 6, 202611-5037 contacts →

Exact match

“C5 Technology is a premier IT systems integrator and professional services provider specialising in mission-critical networks, cyber security, and digital solutions for enterprise…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchSt Leonards, AustraliaHQ recorded Nov 6, 202611-5037 contacts →

Exact match

“FJA Consulting Engineers is a utilities design and coordination engineering consultancy based in Sydney, Australia.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchSydney, AustraliaHQ recorded Nov 6, 202651-20037 contacts →

Exact match

“Wizzio – Innovate • Create • Automate Wizzio (formerly ST Consulting (Australia)) is a Sydney-based engineering and design consultancy specialising in Engineering design…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchChatswood, AustraliaHQ recorded Nov 6, 202611-5033 contacts →

Exact match

“Founded in the 1930s, Woolacotts has built a reputation for reliable, innovative and client-centered design and solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 339 network design and engineering firms based in Australia

See the full list, filter by size, metro and specialty, and access 2,384 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Network design and engineering firms based in Australia at a glance

As of Nov 6, 2026
38.1%Verified-email coverage
18.4Average contacts per company
1-10Median size (employees)
11.5%Largest-city concentration · Sydney
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
179
11-50
112
51-200
30
201-500
7
501-1,000
4
1,001-5,000
3

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 339 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 “network design and engineering firms” 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 2,384 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 November 6, 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 “network design and engineering firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many network design and engineering firms are there based in Australia?

RevenueBase identified 339 company matches for network design and engineering firms associated with Australia as of November 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?

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

Which city has the most network design and engineering firms?

Sydney leads with 39 company records, followed by Melbourne (27) and Brisbane (21).

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 2,384 professional contacts with verified work emails tracked across these 339 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 November 6, 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.