IS Contracting
Key Services
- Enabling Works
- Earthworks
- Civil Engineering
Constructing a Legacy of Excellence
ISC is the specialist contracting arm of GRS on a mission to construct a legacy of excellence in enabling works, earthworks and civil engineering projects across the UK. The business is the driving force behind transformative infrastructure solutions, setting new industry standards for quality, innovation and sustainability.
ISC’s energetic team has years of experience in the industry and brings a wealth of expertise to every project. From intricate earthworks to cutting-edge civil engineering, ISC are rightly proud of their track record and unrivalled quality assurance.
We’re not just building for today; we’re building for the future
We’re dedicated to sustainable practices that minimise environmental impact and create a better world for generations to come. ISC is committed to using recycled and eco-friendly materials wherever possible.
Waste minimisation is at the heart of our sustainable approach. We plan our projects in detail to optimise resource utilisation and minimise waste. Our construction processes are designed to be efficient, ensuring that materials are used effectively and any waste generated is properly managed and recycled. By adhering to waste reduction principles, we not only conserve resources but also reduce project costs and timelines.
Our story began in 1972 when we previously traded as Walsh, and quickly established ourselves as London’s leading provider of bulk freight solutions – by road, river and rail, plus waste management.
In 2017, a new chapter in our history unfolded when Walsh became a proud member of the GRS Group – a renowned name in Britain’s construction industry. This partnership brought together the collective strength of two industry giants, setting the stage for even greater achievements.







