The Weir Group




MarketCap GB

GB United Kingdom


The Weir Group PLC produces and sells highly engineered original equipment worldwide. It operates in two segments, Minerals and ESCO. The Minerals segment offers slurry handling equipment and associated aftermarket support services for abrasive high-wear applications used in the mining and oil sands markets. The ESCO segment provides ground engaging tools for mining machines. This segment also produces smart and rugged cameras that monitor and provide valuable and timely data on equipment performance, faults, payloads, and rock fragmentation. The company offers its products under the Accumin, Aspir, Cavex, Delta Industrial, Enduron, Envirotech, Floway, GEHO, Gemex, Hazleton, Hydrau-Flo, R. Wales, Isodry, Isogate, Lewis, Linatex, Multiflo, Synertrex, Stampede, Trio, Vulco, FusionCast, ESCO, Motion Metrics, and Warman brands. The company was founded in 1871 and is headquartered in Glasgow, the United Kingdom.


The company was established in 1871 as an engineering firm by two brothers, George and James Weir, founding G. & J. Weir Ltd. The Weir brothers produced numerous groundbreaking inventions in pumping equipment, primarily for the Clyde shipyards and the steam ships built there. These pumps became extremely well known for their use as boiler feedwater pumps, and for ship's auxiliary equipment such as evaporators.Under W D Weir, the company turned to producing munitions and war materiel in the First World War. As well as shells, they manufactured aircraft including the Royal Aircraft Factory F.E.2 fighter and bomber. James George Weir a director of the company formed the Cierva Autogiro Company. G & J Weir would be a financial supporter of the company during its existence. In 1943, they provided the finances for the construction of the W.9, an experimental helicopter, to Air Ministry requirements.The company was first listed on the London Stock Exchange in 1946. Double-acting Weir steam pumps were virtually standard fitment on British-built steamships, being used for pumping water, fuel, air and much else well into the 1950s, as well as being used on other ships worldwide. In December 1968 the Weir Group made an offer to buy the rival British pump manufacturer Worthington-Simpson, following an offer by Studebaker-Worthington.

In 1969 Studebaker-Worthington acquired Worthington-Simpson.

After some negotiation, Weir's acquired 50% of Worthington Simpson.

A new joint-venture company named Worthington Weir was set up to handle international sales of the two parent companies.The debt taken on by Weir to acquire their share of Worthington-Simpson was denominated in Deutsche Marks, and as that currency strengthened against sterling and the dollar it became increasingly expensive to service.

Worthington-Simpson was profitable, but did not cover the cost of debt.

During the next decade Weir was forced to sell off many assets and undertook financial reorganization in 1981.

After the financial reorganization, Derald Ruttenberg and Jacob Rothschild gained effective control of 40% of the company.

Ruttenberg became a board member. At the reorganization, the 3rd Viscount Weir, who had been chairman since 1972, stepped down to vice chairman, but Lord Weir regained the chairmanship in 1983 and served until 1999.In 1989, the company acquired Hopkinsons, an Huddersfield-based company manufacturing valves and controls.

21st century

In July 2005, Weir sold its desalination and water treatment businesses, to Veolia Water Systems, part of the water division of Veolia Environnement: Weir Westgarth had been a pioneer of the multi-stage flash distillation process used predominantly to produce desalinated water from seawater.In May 2007, the company sold its Glasgow-based business Weir Pumps to Jim McColl's Clyde Blowers plc, with the pump company subsequently being renamed to Clyde Pumps Ltd.In February 2015 the company issued a profit warning predicting significant losses; the U.S. shale market had experienced a contraction, and the company had to reduce its workforce by approximately 650.In October 2020, the company sold their oil and gas division to Caterpillar Inc. for $405 million, having already previously sold their flow control division in 2019.

In December 2010, Weir pleaded guilty to breaching UN sanctions on Iraq between 2000 and 2002. Judge Lord Carloway of The High Court in Edinburgh fined the company £3m along with a confiscation order of £13.9m.In 2011, the company, since renamed Clyde Union Pumps, was sold to the SPX Corporation for £750 million. The business suffered heavy financial losses in the subsequent years and had to make staff redundant as the result of a long-term global downtown in the oil and gas sector.In October 2020, the oil and gas division of the company was sold to Caterpillar Inc. for $405 million, following the sale of the company's flow control division in February 2019 to First Reserve.

To be the world leader in providing world-class engineering services for the efficient extraction and delivery of oil, gas, minerals and other resources through innovative technologies and expert personnel.

To continue to grow and build upon our success by delivering outstanding customer service and engineering solutions to meet the evolving needs of our customers and partners in an ever-changing world.

Key Team

Stephen Christie (Head of Investor Relations)

Mr. Graham Vanhegan (Company Sec. & Chief Legal Officer)

Mr. Raymond Buchanan (Head of Communications & Public Affairs)

Ms. Rosemary McGinness (Chief People Officer)

Mr. Andrew Neilson (Pres of ESCO division)

Mr. Christopher Morgan (Sr. Counsel)

Ms. Paula Cousins (Chief Strategy & Sustainability Officer)

Recognition and Awards
The Weir Group has won numerous awards throughout the years, including the Queen Elizabeth II Award for Enterprise in 2000, the Times Higher Education Corporate Engagement Award in 2004, the OSJ Magazine Special Achievement Award in 2005, and the Scottish Financial Times Workforce Development Award in 2006.

The Weir Group
Leadership team

Mr. Jonathan Stanton (CEO & Director)

Mr. John Heasley (CFO & Director)

Mr. Garry Fingland (Chief Information Officer)

Products/ Services
Industrial Engineering, Infrastructure, Manufacturing, Mining, Mining Technology
Number of Employees
1,000 - 20,000
Glasgow, Glasgow City, United Kingdom
Net Income
100M - 500M
Above - 1B
Traded as
Social Media

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