ClydeUnion Pumps -  an SPX Corporation brand

ClydeUnion Pumps - an SPX Corporation brand

Whilst the name is comparatively recent ClydeUnion Pumps, an SPX Brand, is one of the most experienced specialised engineering companies in the world. Formed through the acquisition and integration of a series of highly respected pump manufacturers on both sides of the Atlantic, ClydeUnion Pumps incorporates an accumulation of over 140 years of engineering expertise. The two main companies that form ClydeUnion Pumps both have a rich heritage and impressive track record, incorporating the Weir Pumps (Glasgow, UK) business and the Union Pump (Michigan, USA) business.ClydeUnion Pumps, an SPX Brand is a long standing partner to Water & General Industries contractors and end users around the world, providing cutting-edge pump technology to maximise efficiency & performance levels as well as optimising through-life cost effective solutions.

Company details

149 Newlands Road , Glasgow , G44 4EX United Kingdom
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Business Type:
Industry Type:
Pumps & Pumping
Market Focus:
Globally (various continents)
100,000,000 - 1,000,000,000 €

This company also provides solutions for other industrial applications.
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ClydeUnion Pumps, an SPX Brand is one of the world's leading pump companies - a centre of excellence in Pump Technology, Hydraulic Design and Engineering. We are structured to provide a specific focus on each of our customer's key markets as well as providing full global aftermarket support.

Building on the success of Clyde Pumps we acquired Union Pump in 2008 and have now fully integrated the two companies into ClydeUnion Pumps. We’ve now got an even stronger team of people and truly global footprint to ensure our customers receive the best products and best aftermarket support.

Our rich past

ClydeUnion Pumps, has at its base the two companies Clyde Pumps and Union Pump. Both have a rich heritage and a history dating back over 100 years.

With the acquisition of S&N Pump Company in October 2010, our capabilities for offshore applications became much greater.


In 1871, two brothers, George and James Weir, founded the engineering firm of G. & J. Weir. From their Glasgow works, in Scotland's central belt. They quickly established a reputation for inventing pump and valve technologies that were utilized successfully on ship engines, oil pipelines, desalination plants and power stations across the world.

Union Pump

Since Union's inception in 1885 in Michigan, USA the company has been creating class leading pumps for industries around the globe. Union has incorporated the David Brown Pumps brand as well as its significant capabilities when their Annecy operation was acquired, and along with it the respected DB Guinard Pumps brand.

S&N Pump Company

Established in 1954, S&N Pump Co. has packaged seawater lift pump systems and related accessories exclusively to the seawater market for offshore applications since 1957. A provider of design, sales, service, testing, and repair of seawater pumping equipment to the offshore industry by offering safe, cost-effective, reliable, single-source solutions for global seawater needs.