The Clough Group is an Australian Engineering and Construction company based in

Perth Perth () is the list of Australian capital cities, capital city of Western Australia. It is the list of cities in Australia by population, fourth-most-populous city in Australia, with a population of over 2.3 million within Greater Perth . The ...

, Western Australia. It has projects in engineering, construction, operations and maintenance services, principally in the oil and gas industry. Formerly listed on the

Australian Securities Exchange Australian Securities Exchange Ltd (ASX) is an Australian public company that operates Australia's primary Exchange (organized market), securities exchange, the Australian Securities Exchange (sometimes referred to outside of Australia as, or c ...

, it has been a subsidiary of

WeBuild Webuild S.p.A. (previously Salini Impregilo S.p.A.; ) is an Italian industrial group specialising in construction and civil engineering. The company was formally founded in 2014 as the result of the merger by incorporation of Salini into Impregi ...

since February 2023.

History

Clough was established in

in 1919, as builders Clough and Son.Historical timeline
at Clough official website. Retrieved 16 March 2011. Clough underwent significant growth and diversification from the 1950s through 1970s. In 1964, BAM Clough was established as a 50:50 joint venture with

Royal BAM Group Royal BAM Group nv () is a Dutch construction-services business with headquarters in Bunnik, Netherlands. Based on revenue it is the largest construction company in the Netherlands. History The company was founded by Adam van der Wal as a joiner ...

to deliver major jetty and near shore marine projects in Australia and Papua New Guinea. Expansion was fuelled by civil engineering and infrastructure contracts from Western Australia's

Pilbara The Pilbara () is a large, dry, sparsely populated regions of Western Australia, region in the north of Western Australia. It is known for its Indigenous Australians, Aboriginal people; wealth disparity; its ancient landscapes; the prevailing r ...

iron ore boom. Clough undertook its first oil-and-gas project on Barrow Island in 1965. During the 1970s and 1980s, Clough pursued activities in the Middle East, Indonesia and Africa. Branch offices were established in

Brisbane Brisbane ( ; ) is the List of Australian capital cities, capital and largest city of the States and territories of Australia, state of Queensland and the list of cities in Australia by population, third-most populous city in Australia, with a ...

Bangkok Bangkok, officially known in Thai language, Thai as Krung Thep Maha Nakhon and colloquially as Krung Thep, is the capital and most populous city of Thailand. The city occupies in the Chao Phraya River delta in central Thailand and has an estim ...

and

Houston Houston ( ) is the List of cities in Texas by population, most populous city in the U.S. state of Texas and in the Southern United States. Located in Southeast Texas near Galveston Bay and the Gulf of Mexico, it is the county seat, seat of ...

.Company locations
at Clough official website. Retrieved 16 March 2011. Acquisition of the Petrosea Group of Companies in 1984 (divested in 2009) was a basis for expansion in the South East Asian region. The company was listed on the

(ASX) in 1998, with the Clough family ceasing to be shareholders in 2007.Harold Clough steps down
Press release at Clough official website, 29 October 2007. Retrieved 16 March 2011. Around 1991, Clough Engineering took over

Noyes Brothers Noyes Brothers is an Australian engineering firm established in 1888 by Edward and Henry Noyes. History Noyes Bros. was founded in Sydney in 1888 by Edward and Henry Noyes (see their biographies below), as importers of engineering products, then ...

, and traded as Noyes-Clough until 2002, when that branch of the company was purchased by Project Solutions Australia. In the 1990s, Clough AMEC was established as a 50:50 joint venture with

Amec Amec Foster Wheeler plc was a British multinational consultancy, engineering and project management company headquartered in London, United Kingdom. In October 2017, it was acquired by Wood Group. It was focused on the Oil, Gas & Chemicals, ...

to deliver brownfield asset support to the Australasian oil and gas sector. In October 2008, Clough sponsored construction of a First Year Centre for engineering students at the

University of Western Australia University of Western Australia (UWA) is a public research university in the Australian state of Western Australia. The university's main campus is in Crawley, Western Australia, Crawley, a suburb in the City of Perth local government area. UW ...

,Clough to fund first year centre at UWA
Press release at Clough official website. 29 October 2008. Retrieved 16 March 2011. which opened in 2010, supporting students "with a space to have as their base, to meet, work in groups, and also work on projects rom industry. It was recorded that former chairman and managing director Harold Clough had been a long-term benefactor of the university. Having been a shareholder since 2004, in November 2013

Murray & Roberts Murray & Roberts Holdings Ltd. was a South African-based engineering and mining contractor. It was listed on the JSE Securities Exchange. The Group delivered its capabilities into three global primary market sectors the resources, industrial, e ...

took full ownership with the company delisted from the ASX. In February 2019, Clough acquired Saulsbury's Gulf Coast downstream and chemical business unit in

Texas Texas ( , ; or ) is the most populous U.S. state, state in the South Central United States, South Central region of the United States. It borders Louisiana to the east, Arkansas to the northeast, Oklahoma to the north, New Mexico to the we ...

. In 2022 Clough suffered financial distress and was at risk of financial collapse. After a proposed takeover by

Webuild Webuild S.p.A. (previously Salini Impregilo S.p.A.; ) is an Italian industrial group specialising in construction and civil engineering. The company was formally founded in 2014 as the result of the merger by incorporation of Salini into Impregi ...

collapsed, Murray & Roberts placed it in

administration Administration may refer to: Management of organizations * Management, the act of directing people towards accomplishing a goal: the process of dealing with or controlling things or people. ** Administrative assistant, traditionally known as a se ...

. In February 2023 Clough was eventually acquired by WeBuild.

Notable projects

Narrows Bridge (Perth) The Narrows Bridge is a freeway and railway crossing of the Swan River in Perth, Western Australia. Made up of two road bridges and a railway bridge constructed at a part of the river known as ''the Narrows'', located between Mill Point and ...

(1957) * Barrow Island Oilfield Development (1965) *

Stirling Bridge Stirling Bridge carries the Stirling Highway over the Swan River (Western Australia), Swan River, linking the suburbs of North Fremantle, Western Australia, North Fremantle and East Fremantle in Perth, Western Australia. History Stirling Brid ...

(1974) *

Mount Henry Bridge The Mount Henry Bridge is a pair of parallel bridges which carry the Kwinana Freeway and Mandurah line across the Canning River in Perth, Western Australia. At long, the Mount Henry Bridge is the longest bridge in Western Australia. The first ...

(1982) *

Graham Farmer Freeway The Graham Farmer Freeway is a inner-city freeway in Perth, Western Australia. It links the Mitchell Freeway in West Perth to Great Eastern Highway and Orrong Road in Burswood, providing an east–west bypass of the Perth central business d ...

(2000) in a joint venture with

Baulderstone Baulderstone, formerly Baulderstone Hornibrook, was an Australian construction company. History MR Hornibrook In 1926, Manuel Hornibrook founded a construction company in Brisbane. Amongst its notable projects were the Story Bridge and William J ...

Northern Busway, Brisbane The Northern Busway is a bus-only road running north from the Brisbane central business district to the Royal Brisbane & Women's Hospital in Queensland, Australia. The first section of the busway opened on 23 February 2004 with one station at ...

(2004) in a joint venture with

Seymour Whyte Seymour may refer to: Places Australia *Seymour, Victoria, a township ** Seymour railway station * Electoral district of Seymour, a former electoral district in Victoria * Rural City of Seymour, a former local government area in Victoria * Se ...

* Snowy 2.0,

Snowy Mountains The Snowy Mountains, known informally as "The Snowies", is an IBRA subregion in southern New South Wales, Australia, and is the tallest mountain range in mainland Australia, being part of the continent's Great Dividing Range, a cordillera syste ...

civil and electro-mechanical works in a joint venture with

References

{{Reflist , 30em Companies formerly listed on the Australian Securities Exchange Construction and civil engineering companies of Australia Construction and civil engineering companies established in 1919 Companies based in Perth, Western Australia Australian companies established in 1919 2023 mergers and acquisitions