RSK Group acquires another in staggering expansion


RSK Group has acquired in the region of 22 companies since the start of the year – the latest being Irish engineering firm Larsen Water Management.  

Credit: RSK.

With offices in the Republic of Ireland and Northern Ireland, Larsen has a team of around 31, specialising in water leakage detection. 

Its client list includes Northern Ireland Water, the Health Service Executive, the Office of Public Works and the National Trust – and it has made a significant contribution to Irish Water’s National Leakage Reduction Programme.  

The company has an annual turnover of €2.7 million.    

Managing director David Smith will continue to lead the business. 

Click here to read more about RSK’s recent growth activity 

RSK Group CEO Alan Ryder said Larsen would strengthen RSK’s presence in Ireland, where its businesses include RSK Ireland, Nicholas O’Dwyer, Dermot Casey Group, Smith + Kennedy Architects, Inis Environmental Consultants, Irish Drilling Limited and Minerex Environmental.   

The acquisition also adds to RSK’s skills and experience across the water sector in the UK and Ireland, with the Group’s companies including Binnies, WRc, MWH Treatment and WGM Engineering.   

The acquisition adviser was Woods & Partners 

“The Group is delighted to welcome Larsen Water Management to RSK,” said Ryder. “With a growing acknowledgement of water as a precious resource, expert skills such as leak detection become increasingly important and valued across the globe. Larsen has a proven track record in this crucial sector, and its expertise extends to serving a consistently strong client base. This is testament to Larsen’s quality, depth of service and capability to manage contracts in the Republic of Ireland and Northern Ireland, which have seen it maintain longstanding relationships with organisations including Irish Water and Northern Ireland Water.”   

RSK comprises more than 200 companies globally, employing 12,000 people.  

Its annual turnover at the end of FY2022 was £796 million 

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