21 Feb 2025

Top 30 Contractors in Australia

Sydney Build Expo welcomes 25,000+ leading contractors, architects, developers, housebuilders, civil engineers, government representatives, and construction professionals from across Australia.

Here’s a curated list of the top 30 contractors in Australia, recognised for their significant contributions to the country’s infrastructure, housing, and skyline that you will meet at the show.

Lendlease
John Holland Group
CPB Contractors
Laing O'Rourke
Downer Group
Fulton Hogan
Civmec
Hansen Yuncken
Multiplex
McConnell Dowell
Acciona
AECOM
Richard Crookes Constructions
Seymour Whyte
CIMIC Group
ADCO Constructions
Built
Watpac
Probuild
Mirvac
WeBuild
Bouygues Construction
WT Australia
Hutchinson Builders
Kane Constructions
Bechtel Corporation
Hickory Group
Buildcorp Australia
Icon Construction
MottMacDonald

Lendlease

Lendlease Group is a multinational construction, property and infrastructure company headquartered in Barangaroo, Sydney, Australia. The Construction segment provides project management, design and construction services, predominantly in the defence, mixed use, commercial and residential sectors.

The Investments segment includes a leading wholesale investment management platform and also includes the Group’s ownership interests in property and infrastructure investments, Retirement Living and US Military Housing.

John Holland Group

John Holland is Australia and New Zealand’s leading end-to-end integrated infrastructure, building, rail and multi-modal transport company. Headquartered in Melbourne, it is a subsidiary of China Communications Construction.

Designing, engineering, constructing, and operating services across Australia and New Zealand, they connect people to the places they want to go – and to each other.

CPB Contractors

CPB Contractors is the Australasian construction company of the CIMIC Group.

Combining the construction expertise and track record formerly delivered by Leighton Contractors and Thiess, along with the people and projects of Leighton Asia and subsidiary Broad Construction.

Working closely with clients and partners, projects connect communities, play a key role in urban and rural development, help drive economic growth and provide vital long-term infrastructure.

Laing O'Rourke

Laing O'Rourke is a multinational construction company headquartered in Dartford, England, United Kingdom. It was founded in 1978 by Ray O'Rourke. It is the largest privately owned construction company in the United Kingdom.

Laing O’Rourke is an international engineering enterprise, founded on over a century and a half of experience. Through their fully integrated offer we are delivering a single-source solution for some of the world’s most prestigious organisations.

Downer Group

Downer Group is an integrated services company active in Australia and New Zealand. Listed on the Australian Securities Exchange and New Zealand Stock Exchange as Downer EDI, Downer is an ASX 200 company.

Downer Group employs approximately 33,000 people across more than 300 sites, primarily in Australia and New Zealand, but also in the Asia-Pacific region, South America and southern Africa.

Fulton Hogan

Fulton Hogan is a major infrastructure construction, maintenance, and materials supply company operating in Australia, New Zealand, and the South Pacific. With a history dating back to 1933, they engage in a broad spectrum of services including roading, civil construction, and utilities.

In Sydney, Fulton Hogan is significantly involved in numerous key projects. They have a strong presence through the Better Together Joint Venture (B2GJV) with Sydney Water for the West Region under the Partnering for Success (P4S) Program, focusing on water infrastructure. Additionally, they contribute to road maintenance and construction, with ongoing and completed projects like those for WestConnex, demonstrating their commitment to enhancing Sydney's transport infrastructure.

Civmec

Civmec is an Australian-based construction and engineering company with a strong presence in multiple sectors including Energy, Resources, Infrastructure, Marine, and Defence. Established in 1990, it became publicly listed on the Singapore Exchange in 2012 and later on the Australian Securities Exchange in 2018, showcasing its dual listing status.

Known for their integrated approach, Civmec focuses on sustainability, innovation, and collaboration, also acting as a Registered Training Organisation (RTO) to enhance skills development. Their portfolio includes notable work on the Royal Australian Navy's Offshore Patrol Vessels, underlining their commitment to both industry and community through various social responsibility initiatives.

Hansen Yuncken

Hansen Yuncken is one of Australia's leading privately owned construction companies, established in 1918 by Lauritz Hansen and Otto Yuncken. With a legacy spanning over a century, they focus on commercial and institutional building projects across various sectors including education, health, defence, and commercial real estate. Operating nationally with offices in Victoria, New South Wales, Queensland, South Australia, Tasmania, and the Northern Territory, they are known for their commitment to innovation, integrity, and sustainability.

The construction group’s national portfolio of projects is currently weighted towards Victoria, with 30% of its projects in New South Wales and nearly 20 per cent in South Australia. Most notably, the construction firm is currently overseeing the $250-million Flinders University Health and Medical Research Building, a 22,000sq m building that will span 10 storeys, as well as the $130-million infill expansion of the Barwon Prison near Geelong.

Multiplex

Multiplex has been operating for over 60 years and grown into a global construction powerhouse, with a reported revenue of AUD 1.8 billion in 2023. The company is known for delivering complex projects, particularly in New South Wales and Victoria. It has delivered more than 1000 projects with a combined value in excess of $145 billion.

Multiplex employs around 1,000 staff, with a focus on innovation and high-quality project delivery. Their most notable projects are Crown Sydney Hotel Resort and The One Sydney Harbour development. It has also been engaged by Infrastructure NSW to deliver the new $750-million Sydney Fish Market, which includes the construction of new public promenades, offices, commercial space and a ferry wharf.

McConnell Dowell

Established in New Zealand 1961, McConnel Dowell is an engineering, construction and maintenance contractor. The company became a key player in the construction industry and expanded to other countries such as Australia, Asia, and the Middle East.

The top-tier Civil Engineering and Construction company focuses on civil, electrical, fabrication, marine, mechanical, pipelines, rail, tunnel and underground construction. McConnell Dowell has completed many projects, including constructing bridges, airports, railways, water treatment facilities, and offshore oil and gas facilities.

Some of the most significant projects the company is currently working on include Inland Rail Victoria, South Geelong to Waurn Ponds Rail Duplication, Epping Road Upgrade, New Bridgewater Bridge, METRONET Midland Station, Level Crossing Removal Project, and many more.

Acciona

Acciona is a global group that develops and manages sustainable infrastructure solutions, especially in renewable energy. ACCIONA’s activity in Australia began in 2002 with renewable energy projects. Since 2007, the company has also been involved in transport projects.

In Australia, ACCIONA has been involved in such projects as Pacific Highway Upgrade, Sydney Metro West, Regional Rail Link Work Packages, New England Highway Upgrade, Sydney Western Harbour Tunnel, Adelaide Rail Revitalisation, and many more.

In addition, the company is developing Australia’s largest wind farm – Herries Range Wind Farm in Southern Queensland. They are currently working on a few renewable energy projects across Queensland, Victoria, and New South Wales.

AECOM

AECOM is a global infrastructure firm that offers a wide range of services, including architecture, engineering, and construction management. Their commitment to sustainability and innovation drives their project delivery. AECOM utilizes advanced technologies to improve efficiency and enhance client collaboration. Sydney Gateway Project, University of Technology Sydney, Royal Prince Alfred Hospital, Bradfield Smart City, Sydney Cycleways are some of their notable projects in Sydney, Australia.

Richard Crookes Constructions

Richard Crookes Construction is an Australian, family-owned construction company committed to making a difference to the communities we live and work in by delivering future-focused social infrastructure.

For over 40 years, Richard Crookes Constructions has been providing construction, refurbishment and fitout projects to a variety of building types. Sydney Metro - Western Sydney Airport, Walsh Bay Arts Precinct, Hillsong Epicentre, UTS Central and Park Sydney are some of their featured projects in Sydney.

Seymour Whyte

Seymour Whyte is an Australian civil and urban infrastructure contractor specializing in delivering major projects across various sectors, including transport, water, and resources. The company is known for its expertise in engineering, construction, and project management, focusing on sustainable practices and innovative solutions. With a commitment to safety and quality, Seymour Whyte works on projects ranging from road and rail construction to urban development and water infrastructure.

They have been involved in several notable projects across Australia, including WestConnex, M1 Pacific Motorway Upgrade, Gold Coast Light Rail, NorthLink WA, and Cairns Shipping Development.

CIMIC Group

CIMIC Group Limited is one of the largest construction companies in Australia, with an estimated revenue of AUD 23 billion in 2023. Founded in 1899, the company operates nationwide and internationally across sectors like infrastructure, resources, and property development. With a workforce of over 15,000 employees, CIMIC focuses on safety, collaboration, and sustainability. Some of the notable projects include WestConnex in Sydney, Melbourne Metro Tunnel, and Adelaide Desalination Plant.

ADCO Constructions

ADCO is a renowned civil contractor in Sydney’s burgeoning construction industry, handling projects ranging from $1 million to more than $200 million. The firm has enjoyed high levels of repeat business from long-established client relationships among key private and institutional corporates, as well as federal, state and local government agencies, in recent years.

ADCO is currently under construction on the $175-million Griffith Regional Hospital, the Victoria state government’s $132-million upgrade of the Basketball Centre in Wantirna South, and Arklife’s $120-million Cordelia build-to-rent development in South Brisbane. Its current $1.9-billion construction pipeline is mainly based in Victoria and Queensland.

Built

Proudly Australian and privately-owned since 1998, Built is a national diversified general contractor and currently one of Australia’s largest private construction groups. The Sydney-based company currently has 1000-plus employees in Australia, New Zealand and the United Kingdom, specialising in both large scale new builds to complex refurbishments and intricate fit-outs.

It is currently overseeing a number of high-profile office projects, most notably Walker Corporation’s $3.2-billion Parramatta Square development—one of Australia’s largest urban regeneration projects.

The construction group also has an accredited in-house sustainability team and has been recognised for more than 60 Green Star, LEED, WELL and NABERs ratings across its Australian projects.

Watpac

Founded in 1983, Watpac specializes in construction, property development, and civil engineering. Their diverse range of projects reflects their adaptability and expertise in the field. They focus on adding value to projects through a disciplined approach to project management and an emphasis on safety and quality. Some of their significant projects include Burj Khalifa, North Queensland Stadium, Townsville, Brisbane Entertainment Centre and Central Park, Sydney.

Probuild

Probuild is an Australian construction and project management company that specializes in delivering large-scale commercial, residential, and infrastructure projects. Established in 1987, Probuild is known for its expertise in high-rise buildings, multi-residential developments, and complex infrastructure works. The company emphasizes innovation, sustainability, and quality in its construction practices.

Some of their notable projects include Crown Sydney, The Collins Arch, The Star Gold Coast, Queens Wharf Brisbane, Melbourne Convention and Exhibition Centre.

Mirvac

Founded in 1972, Mirvac is an Australian property group with operations across property investment, development, and retail services. They focus on urban regeneration projects, predominantly in the residential, commercial, retail, and industrial sectors. Mirvac oversees the entire project lifecycle, from sourcing land and securing approvals to design, construction, and sales. They’ve been recognised for their commitment to sustainability and innovative design.

Some of their notable projects include Prince & Parade, MEKKO The Fabric, The Langlee, Harold Park Paceway and Rozelle Tram Depot redevelopment, Waverley Park redevelopment.

Webuild

Webuild is an international construction and engineering company headquartered in Italy, with a strong presence in Australia. The company specializes in large-scale infrastructure projects, including transportation, water, and energy sectors. You may be familiar with some of their notable projects in Australia including West Gate Tunnel, Sydney Metro Northwest, North West Rail Link, M4 East Motorway, and Melbourne's Metro Tunnel.

Bouygues Construction

Bouygues Construction is a French multinational company that specializes in construction, civil engineering, and project development. The company focuses on infrastructure, building, and urban development projects. They are known for its commitment to sustainability, innovation, and quality management throughout its projects.

Some of their notable projects in Australia include Sydney Metro City & Southwest, Wellington Aboriginal College, The Bond, Queensland Children’s Hospital, Central Park in Sydney.

WT Australia

WT is a consulting firm specializing in project management, quantity surveying, and advisory services within the construction and infrastructure sectors. With a strong presence in Australia, WT provides expertise in cost management, project delivery, and strategic planning to ensure successful outcomes for various projects.

The following are some of their notable projects in Sydney: Sydney Opera House Renewal, WestConnex, Sydney Metro, Barangaroo South, The Bays Precinct.

Hutchinson Builders

Founded in 1912, Hutchinson Builders is one of Australia's largest and most established construction companies. Based in Brisbane, the company operates across various sectors, including commercial, residential, industrial, and infrastructure.

Almost four out of five of the builder’s current projects are in its home state of Queensland, while Victoria accounts for 12% and New South Wales 7%. Hutchies currently has an even split of projects by sector with its residential, commercial and community projects weighted evenly.

Its most notable current builds include RetireAustralia’s $200-million The Green retirement village in Brisbane’s Tarragindi, Frasers Property Australia’s $200-million Brunswick and Co build-to-rent project in Fortitude Valley, and Vitale Project’s $400-million, 22-storey Mondrian Hotel on the Gold Coast.

Kane Constructions

Founded in 1973, Kane Constructions is an Australian construction company with a strong reputation for delivering high-quality projects across various sectors, including commercial, residential, education, and infrastructure. The company is known for its commitment to sustainability, safety, and client-focused service.

They have contributed to the following Sydney projects such as Sydney Fish Market Redevelopment, Northern Beaches Hospital, Woolworths Head Office and few projects at the University of Sydney.

Betchtel Corporation

Founded in 1898, Bechtel specializes in infrastructure, energy, and industrial projects, offering a wide range of services from planning and design to construction and project management.

Bechtel's Sydney branch serves as a crucial hub for the company's operations in Australia and the Asia-Pacific region. Some of their notable projects include Sydney Metro, Barangaroo South, Sydney Airport Expansion, and Darling Harbour Redevelopment.

Hickory Group

The Melbourne-based company specialises in construction, structures, facades, manufacturing, fit-outs and logistics. The bulk of its current pipeline, $1.62-billion worth of projects, is based in Victoria, 60% of which is residentially focused.

In Melbourne, the construction in group is currently at work on Gurner’s $280-million luxury residential and retail precinct Victoria and Vine in Collingwood, Longriver Group’s East Central Tower, a 30-storey building in Box Hill, and nearby CBD Development’s Trio Box Hill, a three-tower, 488-apartment development. Other construction projects include two hotels — Meriton Suites Hotel, a 57-storey, 300-guest room development at 140 King Street, and Time and Place’s Ace Hotel Sydney, an 18-storey project comprising 264 guest rooms.

Buildcorp Australia

Buildcorp Australia is a leading construction company known for its expertise in delivering high-quality projects across various sectors, including commercial, residential, education, and infrastructure. Founded in 1990, Buildcorp emphasizes collaboration, innovation, and sustainability in its construction practices.

They have contributed to the following projects: The Sydney Collective, The Darling Exchange, Royal North Shore Hospital Redevelopment, Brisbane Airport Expansion, Melbourne Convention and Exhibition Centre.

Icon Construction

Icon Construction is one of Australia and New Zealand’s largest construction firms with more than 24 projects ranging in size from $500,000 to $400 million and annual revenue in excess of $1.7 billion.

Almost half of its current projects are residentially focused with a third of those community projects and the remaining portion commercial builds. Icon is also spearheading the Victoria government’s $420-million public housing renewal program with over 1000 dwellings being delivered in Brighton, Flemington, Prahran, South Yarra, Hampton East and Port Melbourne.

Icon’s subsidiary, Icon Developments, operates separately to the construction business Icon Co and currently has a range of residential and commercial developments in Melbourne, Sydney and Canberra.

MottMacDonald

Mott MacDonald is a global engineering, management, and development consultancy with a strong focus on infrastructure and environmental projects. Founded in 1902, the company provides a wide range of services, including project management, engineering design, and consultancy across various sectors such as transport, water, energy, and buildings.

Some of their notable projects are Sydney Harbour Bridge Maintenance, North West Rail Link, Northern Beaches Hospital, Western Sydney Airport, etc.

Source:

Top Construction Companies in Australia, Bridgit

https://gobridgit.com/blog/top-construction-companies-in-australia/

Top Civil Engineering and Construction Companies in Australia in 2025, Consult ANZ

https://www.consultanz.com.au/top-civil-engineering-and-construction-companies-in-australia/

Top 20 Construction Companies Transforming the Global Industry, Building Radar

https://www.buildingradar.com/construction-blog/top-20-construction-companies-transforming-the-global-industry

Sydney Gateway Project - New South Wales, Australia, AECOM

https://aecom.com/projects/sydney-gateway-project/

Social Infrastructure Projects Sydney, AECOM

https://publications.aecom.com/social-infrastructure/sydney