Welcome to Network Certification Body (NCB)

NCB is the choice for rail conformity and assessment services - we know the railway and we know rail legislation. We have the knowledge and expertise to tackle your rail based project and we know it’s essential to you that our advice and solutions are effective, efficient and customer-focused.

About Us

We’re a full service certification provider and our Engineers have decades of experience working with and improving safety and standards across the UK and European rail network.


If you’re responsible for design, operations or changes to vehicles or infrastructure, our comprehensive range of services can help you comply with all UK and European Rail requirements.


Our conformance services are spread across three sectors - rail vehicle and plant, rail infrastructure and rail freight.


We are accredited by UKAS to provide conformity assessment services to the UK and European rail industry.

Contact Us

Can we help you deliver your rail project? Would you like to work for NCB? Whatever your enquiry, please get in touch.