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About Us

Measuring, designing and engineering the nation’s railways.

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

How can we help?

Working hand in hand with our clients and partners, we’ve built our reputation upon the quality, reliability and flexibility of our service, developing innovative solutions to complex problems whilst making tomorrow’s railway a better place.

From initial surveys right through to design, engineering and monitoring, we support our clients throughout the full life-cycle of their projects, providing the support and data they need to make truly informed decisions.

The result? The safe, efficient and compliant outcome our clients expect, saving time and money in the process.

Vision, mission and values

An ambitious but ethical business, we’re guided, not only by a strategic vision, but also by a firm set of values that help determine who as well as what we are.

Our vision? To become the UK’s leading multi-disciplinary rail group, the firm that people aspire to be a part of, be they employees, partners or clients.

Our mission? The following seven commitments explain just how we hope to realise that vision…


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.

Why choose us?

One company, one contract, one contact

Thanks to our 'one stop shop' business model, you no longer have to chop and change between multiple firms. Now, all of your survey, design and engineering requirements can be managed by one group.

We employ only the best and brightest people

We’ve filled our ranks with the most experienced, knowledgeable and capable professionals in the rail industry. Our continuous training and development programmes ensure they stay at the top of their game.

We provide first class customer service

From the moment you make contact to the second your project is delivered, our team will deal with you efficiently, proactively and politely. We promise to treat you with the respect and consideration you deserve.

Our team has a proven track record

Each and every year, we deliver countless rail projects for clients throughout the UK, adding significant value to their schemes. It's no wonder that we've built a reputation for delivering on our promises.

80% of our work is based upon repeat business

We form genuinely meaningful relationships with our clients built upon a foundation of trust. With over 80% of our work being based upon repeat business, we must be doing something right.

We genuinely care for our people

A truly forward-thinking organisation, we take the wellbeing of our team incredibly seriously, providing both physical and mental health support programmes as well as a family-friendly benefits scheme.

We use the very latest survey technology

We're constantly investing in the very latest survey technology and software. The result? Continual improvements in innovation and performance, delivering better data, faster and more cost-effectively than ever before.

We serve the whole of the UK's rail network

From Network Rail infrastructure to the London Underground and DLR, our teams travel the length and breadth of the country, measuring, designing and engineering the nation's railways.

What our clients say

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