Company lists · Data refreshed September 2026

Top 22 Offshore engineering companies based in Australia

RevenueBase identified 250 offshore engineering companies headquartered in Australia as of September 2026 and tracks 7,102 professional contacts across them, including 2,368 with verified work emails. Perth is the largest hub.

This list covers offshore engineering 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 17, 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 17, 2026 86% judged on-target in blind review
250Companies
7,102Contacts tracked
2,368Verified emails
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The 22 largest offshore engineering companies based in Australia

Ranked by team size
Top 22 of 250 offshore engineering companies based in Australia, ranked by team size, largest first. Data refreshed Sep 17, 2026. RevenueBase Smart Search rates how each company's information relates to offshore engineering 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 evidencePerth, AustraliaHQ checked Sep 17, 2026201-5001,029 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 17, 2026
2Partial evidenceWest Perth, AustraliaHQ checked Sep 17, 2026201-500576 contacts →

Partial evidence

“GO OFFSHORE is an international energy services company, specialising in marine services to the offshore industry.”

Source: RevenueBase Database · checked Sep 17, 2026
3Partial evidenceRydalmere, AustraliaHQ checked Sep 17, 20261,001-5,000455 contacts →

Partial evidence

“RSGx is a trusted partner, providing innovative mechanical and electrical construction and engineering solutions with a focus on powering energy transition.”

Source: RevenueBase Database · checked Sep 17, 2026
4Partial evidencePerth, AustraliaHQ checked Sep 17, 2026501-1,000376 contacts →

Partial evidence

“Bhagwan Marine is Australia's largest marine solutions provider operating in the offshore energy, subsea, ports & inshore and defence sectors.”

Source: RevenueBase Database · checked Sep 17, 2026
5Partial evidenceWest Perth, AustraliaHQ checked Sep 17, 20261,001-5,000330 contacts →

Partial evidence

“Programmed Offshore specialises in providing quality marine, drilling, construction, maintenance and catering personnel.”

Source: RevenueBase Database · checked Sep 17, 2026
6Partial evidenceApplecross, AustraliaHQ checked Sep 17, 2026501-1,000273 contacts →

Partial evidence

“Australian Offshore Solutions Australian Offshore Solutions offers a diverse range of specialised marine services to the offshore oil and gas and construction industries.”

Source: RevenueBase Database · checked Sep 17, 2026
7Partial evidencePerth, AustraliaHQ checked Sep 17, 20261,001-5,000252 contacts →

Partial evidence

“Cyan Renewables (rebranded from MMA Offshore in July 2025) is a leading provider of marine and subsea services supporting the global energy transition.”

Source: RevenueBase Database · checked Sep 17, 2026
8Partial evidencePerth, AustraliaHQ checked Sep 17, 202651-200166 contacts →

Partial evidence

“Legeneering Australia is a dynamic Engineering Company specializing in repair of oil & gas facilities.”

Source: RevenueBase Database · checked Sep 17, 2026
9Partial evidenceBibra Lake, AustraliaHQ checked Sep 17, 202651-200126 contacts →

Partial evidence

“We are a specialist engineering company delivering hydraulic and electro-mechanical solutions to our customers in the Oil & Gas, Mining, Infrastructure, Defence, Marine, and Power…”

Source: RevenueBase Database · checked Sep 17, 2026
10Indirect evidencePort Adelaide, AustraliaHQ checked Sep 17, 202651-200124 contacts →

Indirect evidence

“Maritime Constructions is a complete provider of specialist marine infrastructure solutions.”

Source: RevenueBase Database · checked Sep 17, 2026
11Indirect evidenceBrisbane, AustraliaHQ checked Sep 17, 2026501-1,000109 contacts →

Indirect evidence

“LogiCamms has rebranded to Verbrec (ASX: VBC).”

Source: RevenueBase Database · checked Sep 17, 2026
12Indirect evidenceBrisbane, AustraliaHQ checked Sep 17, 202651-200104 contacts →

Indirect evidence

“As a leading provider of construction and maintenance services within the oil, gas and energy sectors, GEC provides its clients with a multi-disciplinary high quality operation…”

Source: RevenueBase Database · checked Sep 17, 2026
13Indirect evidenceGlen Waverley, AustraliaHQ checked Sep 17, 202651-20080 contacts →

Indirect evidence

“Expertise.”

Source: RevenueBase Database · checked Sep 17, 2026
14Partial evidencePerth, AustraliaHQ checked Sep 17, 202651-20063 contacts →

Partial evidence

“Momentum Engineering is an Australian‑owned engineering consultancy headquartered in Perth, with nearly 20 years of experience supporting the Australian energy sector.”

Source: RevenueBase Database · checked Sep 17, 2026
15Partial evidenceBrisbane, AustraliaHQ checked Sep 17, 202651-20055 contacts →

Partial evidence

“Agilitus QLD’s mission is to be the most reliable, value-focused engineering service provider in the resource and industrial sectors.”

Source: RevenueBase Database · checked Sep 17, 2026
16Indirect evidenceNaval Base, AustraliaHQ checked Sep 17, 202651-20044 contacts →

Indirect evidence

“WPF offer a fully integrated service to clients, combining a manufacturing and fabrication facility with the capacity to install, service and repair specialised equipment, both…”

Source: RevenueBase Database · checked Sep 17, 2026
17Indirect evidenceGladstone Central, AustraliaHQ checked Sep 17, 202651-20042 contacts →

Indirect evidence

“Established in 2016, Mecha provides engineered mechanical solutions to major industry including mining, marine and manufacturing.”

Source: RevenueBase Database · checked Sep 17, 2026
18Partial evidenceToowoomba, AustraliaHQ checked Sep 17, 202611-5038 contacts →

Partial evidence

“Obadare is a privately owned, Australasian specialist manufacture, machining and maintenance enterprise providing drilling and completions, oilfield engineering, general…”

Source: RevenueBase Database · checked Sep 17, 2026
19Partial evidenceCallemondah, AustraliaHQ checked Sep 17, 202651-20038 contacts →

Partial evidence

“XTREME ENGINEERING PTY LTD is an engineering supply, manufacture, construction and maintenance company based at Callemondah, Queensland, Australia.”

Source: RevenueBase Database · checked Sep 17, 2026
20Indirect evidenceJandakot, AustraliaHQ checked Sep 17, 202651-20037 contacts →

Indirect evidence

“Eftech International Pty Ltd (Eftech) was established in 2014 in Perth, Western Australia, offering a multi-discipline and total-solutions services for Oil and Gas (Upstream and…”

Source: RevenueBase Database · checked Sep 17, 2026
21Partial evidenceBrisbane, AustraliaHQ checked Sep 17, 202611-5035 contacts →

Partial evidence

“FSA Consulting Engineers (FSACE) is a Brisbane-based consulting engineering firm specialising in marine, structural, civil infrastructure, temporary works and commercial projects.”

Source: RevenueBase Database · checked Sep 17, 2026
22Partial evidenceAdelaide, AustraliaHQ checked Sep 17, 202611-5035 contacts →

Partial evidence

“Revelare Hydrospatial specialises in advanced marine surveying and geophysical solutions for Defence, ports and offshore energy sectors.”

Source: RevenueBase Database · checked Sep 17, 2026

Showing 22 of 250 offshore engineering companies based in Australia

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Offshore engineering companies based in Australia at a glance

As of Sep 17, 2026
33.3%Verified-email coverage
28.4Average contacts per company
11-50Median size (employees)
26.0%Largest-city concentration · Perth
Sep 17, 2026Page data refreshed

Companies by employee count

1-10
105
11-50
83
51-200
43
201-500
8
501-1,000
6
1,001-5,000
5

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 250 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 offshore engineering 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 “offshore engineering 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 offshore engineering 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 offshore engineering 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, 2,368 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 17, 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.

Offshore engineering companies by metro

  • Offshore engineering companies in Perth65

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 offshore engineering 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 offshore engineering companies are there based in Australia?

RevenueBase identified 250 offshore engineering 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?

Boskalis Offshore Energy, headquartered in Perth, tops this list with the largest team on record.

Which city has the most offshore engineering companies?

Perth leads with 65 headquartered companies, followed by Brisbane (19) and Henderson (8).

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 2,368 verified decision-maker contacts tracked across these 250 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 17, 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.