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One company, one contract, one contact… no problem

Measuring, designing and engineering the UK's railways

The UK’s fastest growing independent rail group, we support contractors, consultants and more, measuring, designing and engineering the nation's railways.

We've built our reputation upon the quality, reliability and flexibility of our service. With over 80% of our work coming from repeat business, we must be doing something right...


SEP Rail Design

Backed up by decades of experience, our in-house design team covers every stage of the project lifecycle, helping consultants and contractors, solving even their most complex of challenges.

SEP Rail Engineering

Providing critical support to projects throughout the UK, we work alongside the leading names in rail, delivering the engineering, management and consultancy their schemes demand.

SEP Culant

With decades of experience, our time-served and fully qualified arborists, vegetation management and rope access operatives support the leading names in rail, undertaking an extensive range of specialist services across the UK rail infrastructure.

SEP Geotech

From initial consultation and investigations to testing and the production of factual reports, we help you predict, expose and mitigate risk, keeping your projects on track and your stakeholders on board.

SEP Ecology

From rail, civils and construction to power generation, renewable energy, and retail, we support clients of all sizes throughout the UK, responding quickly to provide the expert, robust ecological advice and guidance their development schemes deserve.


Are you an ambitious individual looking for your next challenge? You could become part of the UK’s fastest growing independent rail group.

If you can’t see anything that interests you, we’d still love to hear from you. You can call 01904 403 322 or send a CV and covering letter to info@seprail.co.uk.

What our clients say

Want to know why our clients love working with us? Let them tell you in their own words…

Railway surveys

The fastest growing firm of its type, we’re a multi-disciplinary railway surveying company operating throughout the nation’s railway infrastructure. Bringing together some of the best known and most experienced professionals in the industry, we’ve developed a reputation for delivering first class work, on time and on budget. It’s no wonder, therefore, that we’ve built a genuine following, not only among our clients and partners but also those looking to join a team that genuinely invests in the wellbeing and future of its people.

From plain line and S&C to clearance and utility mapping surveys, we offer an end-to-end survey solution to the UK’s rail industry. An approach epitomised by our motto, ‘One Company, One Contract, One Contact’, this guarantees that you benefit from a single, highly knowledgeable point of contact throughout your projects, regardless of which site, shift or service your enquiry relates to. What’s more, by remaining at the heart of all pre-construction activities, we retain a holistic view of the project, letting us introduce complementary services, processes and deliverables that add genuine value to your projects. By improving efficiency, we reduce our clients’ costs and programmed hours, letting them get on with the business of building and maintaining the railway of tomorrow.

Our highly respected leadership and management team have spent many years working for some of the largest and most reputable names in the sector. Every one of them brings a wealth of knowledge and experience to the table, providing a level of both capability and flexibility that adds immense value to our clients. These people manage a substantial in-house team of railway surveyors, engineers and monitoring specialists. They, in turn, are supported by a network of survey, delivery and HSQE management as well as both possession and SSOW planners.

The SEP Rail Services Team

Contact us

To learn more about our railway surveyors or to enquire about a specific type of survey, why not get in touch? A member of our team will be only too happy to assist.

Get in touch