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GRS contracting business rebranded as ISC

ISC have undergone a period of rapid growth in the past 18 months ISC have undergone a period of rapid growth in the past 18 months

Specialist contracting business rebranded and relaunched following period of rapid growth 

CONSTRUCTION materials group GRS have rebranded and relaunched their specialist contracting business as ISC, creating a platform for expansion in enabling works, earthworks, and civil engineering projects nationwide.

Newly branded ISC (Integrated Solutions - Contracting) were previously known as Walsh Contracting and have grown 80% in the past 18 months with a series of contract successes across the UK.


Founded in 1972, London-based construction services firm S Walsh & Sons – of which Walsh Contracting were part – were acquired by GRS in 2018, with their materials processing, road haulage, and marine freight businesses incorporated into the main GRS Group in 2022.

Meanwhile, Walsh Contracting underwent a complete restructure – including the appointment of Darren Quinton as ISC managing director at the start of 2023 – and became part of GRS’s Integrated Solutions division. That has led to fresh growth, not just in London and the South East, but in the South West, the Midlands and the North.

Darren Quinton said: ‘I am proud of what’s been achieved in the last couple of years and the launch of ISC is a whole new chapter for the business. It's not just about a new name; it's about positioning ISC as a distinct business within GRS with a clear mission to construct a legacy of excellence through the delivery of enabling works, earthworks, and civil engineering projects across the UK.

‘We are building an expert workforce that transcends customer expectations, with the aim of setting new industry standards for quality, innovation and sustainability.’

Jon Fisher, chief executive of GRS, said: ‘Our ISC contracting business is the perfect complement to our other core businesses, especially the removal of demolition and excavation waste and the delivery of primary, secondary, and recycled aggregates via our road, rail, and marine freight network.

‘Now, having restructured and rebranded the business as ISC, and with a number of successes already under our belts, we’re in the strongest position to expand nationwide and I’m confident that under Darren’s leadership we will see this business rapidly grow from strength to strength.’


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