Achilles has been an audit partner to the UK rail industry since 2001 developing and implementing the high standards of audit the industry requires.

Your trusted partner, with over 30 years’ experience, improving your business performance.

We want to make a lasting positive difference to our environment and the people who live within it.

Since entering the construction market in 1935 VolkerRail has become one of the UK’s leading multidisciplinary railway infrastructure contractors, with over 70 years experience in both the heavy and light rail infrastructure sectors.

Diamond is a dynamic and growing business. As we continue to develop a broad portfolio of service offerings, our vision is to become the go-to industry partner for innovative and collaborative working relationships, delivering high quality and value-added services throughout the rail sector.

PRB Consulting was established in 2010 to provide a range of tailored services to the rail sector.

Penn Engineered Solutions delivers highly valued consultancy and training services in the fields of Propulsion System Engineering, Lean & Six Sigma and Leadership Management.

Vextrix was founded by Phil Marsden and John Williamson back in 2009, when the vision for the company was formed out of a desire to simply do things differently.

Hughes Engineering & Support Services (Hughes-ESS) is one of the newest and undoubtedly the most exciting rail company, to have recently qualified by audit, through RISQS.

Structural Fabrications was formed in 1993 to supply fabrication, engineering and all structural steelwork.

RCU Solutions delivers excellence in projects across the Rail, Construction and Utilities sectors. It works with a diverse supply chain to provide a fresh approach to complex, multi-disciplinary projects across infrastructure industries.