Weir Brand Guidelines: From Clyde Ship Pumps to Weir PLC Mining Technology

Pumps for the steamships of the Clyde.

Weir began in 1871, when the brothers James and George Weir set up the engineering firm of G. & J. Weir. The Gale International Directory of Company Histories says James, born in Airdrie in 1842, had served an apprenticeship with a Glasgow engineering firm and worked at sea as a marine engineer before coming ashore; the business started briefly in Liverpool before settling in Glasgow, first as a consultancy to the shipyards. The company’s own history adds that the brothers were descendants of the poet Robert Burns.

Their early work was for the Clyde’s steamships. English Wikipedia and Gale both describe patented equipment that became standard on ships — a feed heater, a direct-acting feed pump and an evaporator — with Weir pumps known above all as boiler feedwater pumps. In 1886 the firm set up a machine shop and smithy at Cathcart, on the south side of Glasgow at the end of a newly extended railway line, and began manufacturing its own designs; Gale says the works grew to a site of some 13 acres.

War changed the works. During the First World War, under William Weir, the company made shells, aero-engines and whole aircraft, among them the Royal Aircraft Factory F.E.2, English Wikipedia says, and the company says it produced more than 1,100 aircraft and aero-engines. Gale records that under William Weir the firm also made armaments and munitions in the war years. Between the wars it backed the Cierva Autogiro Company, and in 1943, English Wikipedia says, citing Flight, it financed the W.9 experimental helicopter to Air Ministry requirements. The company was first listed on the London Stock Exchange in January 1946.

Pumps, then mining.

After the war Weir grew by acquisition. Gale lists the Drysdale pump works at Yoker, the Argus Foundry at Thornliebank and a new valve plant at Queenslie in 1951. In 1969 the group gathered its pump businesses into Weir Pumps, and in 1971 the company took the name Weir Group. Heavy borrowing brought it close to failure around 1980, Gale says, and a restructuring through the mid-1980s cut its workforce by about half.

The turn to mining came through Australia and America. In 1999 Weir bought Warman International, the Australian pump maker, and the company’s history names Warman, together with the oil-and-gas pump maker SPM, as its most significant acquisitions of that era. Gale recorded in 2005 that Weir planned to leave the Cathcart site, after some 120 years, for a smaller Glasgow facility by 2007. Older businesses went: desalination and water treatment to Veolia in 2005, and the Glasgow pump business Weir Pumps to Clyde Blowers in 2007, English Wikipedia says. In 2018 Weir bought ESCO, the Portland, Oregon maker of ground-engaging tools such as excavator teeth and buckets, which the company calls its biggest acquisition to date. By 2005, Gale noted, the mining business already gathered several names under one division, among them Warman, Envirotech, Hazleton and Geho.

In February 2020, the BBC reported, Weir said it would focus on mining after losses in its US oil-and-gas business, pointing to rising demand for the metals needed for batteries. Its flow-control division had gone to First Reserve in 2019, and its oil-and-gas division went to Caterpillar in 2020, English Wikipedia says. In April 2022 the BBC reported that Weir was winding down its business in Russia after the invasion of Ukraine. Recent purchases have leaned towards software and sensing: Motion Metrics, a Canadian machine-vision business, in 2021; SentianAI, a Swedish artificial-intelligence developer, in 2023; and Micromine, the Australian mining-software company, in 2025. In 2026 Weir completed the purchase of the remaining half of ESEL, a Chilean maker of ground-engaging tools for mining, English Wikipedia says.

Design and documentation.

Mining equipment makers sell machines that most people never see at work. Their customers are mine operators, tunnelling contractors and quarry owners, and the machines spend their working lives underground or at the far end of an open pit. So the trade’s imagery tends to bring the site to the viewer: a drill rig in a floodlit tunnel, its booms reaching towards a rock face; a loader or haul truck in yellow or orange, picked out against grey stone; the beam of a headlamp in the dark.

Above ground, the favoured view is from high up. Photographs of open-pit mines show stepped benches cut into the earth, with trucks and drill rigs reduced to small bright shapes on the terraces. Underground pictures work the other way, close and cramped, with the machine filling the frame and the rock wall just beyond it.

Much of the rest of the visual language comes from proving that the machines work. Makers show equipment in test mines and at customer sites, and show it to the trade at fairs such as MINExpo International, which is organised by the US National Mining Association and describes itself as the industry’s largest global mining event; its next edition is scheduled for September 2028. Stands at such fairs put full-size rigs and loaders on display, often alongside screens showing the same machines below ground.

Behind the pictures sit very different companies. Some are divisions or spin-offs of large listed engineering groups; others are family firms or privately owned specialists built around one process, such as spraying concrete or charging explosives. This guide sets out what can be checked about each brand — who founded it, who owns it and where it says its machines are made — and marks clearly what rests only on the company’s own word.

A Glasgow name, now Weir PLC.

One episode sits plainly in the record. In December 2010, the BBC reported, Weir Group admitted at the High Court in Edinburgh two charges of breaching United Nations sanctions on Iraq, over contracts made under the Oil-for-Food programme between 2000 and 2002; it was fined, illegal profits were confiscated, and an apology on behalf of its directors was read in court.

Today the company describes itself as “a global mining technology leader,” with more than 12,000 people in over 50 countries, and its website presents named ranges rather than a single product: WARMAN pumps, including a severe-duty mill pump; ENDURON screen media; and ESCO excavator teeth and buckets. In 2024 it launched what it calls a refreshed brand, with the line “Mining technology for a sustainable future.” The name itself moved on in 2026: a stock-exchange announcement dated 12 August 2026 says The Weir Group PLC became Weir PLC, still listed in London under the ticker WEIR. English Wikipedia gives its headquarters as Glasgow.

For a design guide, Weir shows how a family surname from the age of Clyde steamships can front a mining-technology group, with product names such as Warman and ESCO kept alongside it. Compare Metso, the Finnish group that rejected a Weir merger approach in 2014, and FLSmidth, which outbid Weir for the Australian company Ludowici in 2012. For this guide we use a deep navy, a copper and a cool steel grey with a sans, an unofficial interpretation; no product or logo is reproduced.

Keep Weir’s identity on hand — save it to a board in the Made Good inspiration library.