About Us

DigiSig Rail are experts in railway signalling design, project development and project delivery to enhance the life of train control systems and related equipment. We utilise the most cost-effective design and assurance strategies, whilst delivering problem solving solutions to the rail industry.

Our Expertise

We have a wealth of rail signalling design experience which ranges from the design and replacement of a single railway signal right through to creating a new complete complex signalling system. Our teams have worked on major signalling projects such as North Staffs, Rugby-Nuneaton, Newport, Liverpool Lime Street and Weaver to Wavertree to name but a few. 

Russell Simpson

Operations Director

We provide a full range of signalling design services, inclusive of CBI interlocking  design (SSI, Smartlock, Westlock), RRI design, lineside equipment designs plus much more. Our aim is to provide quality design support on projects no matter how big or small, with cost effectiveness, efficiency, customer care and safety forming the core values of everything we do. In a nut shell our services include:

Scheme & Project Development

  • Scheme Sketches
  • Scheme Plans
  • Signalling Calculations
  • Signalling Reports
  • Signalling Specifications
  • Design Specifications
  • Tender Support


Scheme & Project Delivery

  • Interlocking Design
  • Control Tables
  • Signalling Control Area Interfaces
  • Fringe Designs
  • Trackside Design
  • Control Interfaces


IRSE Log Book & Licensing

  • Logbook reviews
  • IRSE Design Licence Workplace Assessments
  • IRSE Design Licence Competency Assessments


Who We Work With

Our wealth of signalling expertise has allowed us to work with various companies across the UK and to date we have delivered works for the following clients:

  • Siemens
  • Network Rail
  • BWB Consulting
  • Wabtec
  • Atkins
  • Systra
  • Mosaic Rail

Our expertise lies within both the light and heavy rail industry and we use the latest industry standards to design and develop a wide range of signalling solutions for improving and maintaining the UK rail infrastructure.  What’s more we offer outstanding levels of service, support and consultancy which goes well with our unique signalling design solutions.

Our Capabilities include:

  • Technical and Innovative Signalling Design Solutions
  • Signalling Designs using the latest Innovations and Technologies
  • Reliabilty, Quality & Outstanding Performance
  • Environmental Commitment
  • Excellence in Providing Solutions


Leading in Innovative Signalling Design

At DigiSig Rail innovation is at the core of everything we do.  We work with our customers in a collaborative manner, whilst also obtaining a clear understanding of what design solutions our customers need.  What’s more we effectively design, deliver and implement our signalling products which improving efficiencies, reduce whole life costs and enhance safety.

At our Sutton Coldfield office we have created a team environment which enables our designers to explore new ideas, think outside the box and develop new concepts.  Our team culture also enables us to craft and create new technologies and bring them to the rail industry.  We are focused on delivering value for money to our customers and constantly deliver cutting edge design solutions to solve any impacts on the operational railway.

Accreditations & Associations

  • RISQS Verified & Audited
  • Rail Forum Members
  • PM Training & Assessing Limited

Our accreditations and associate partnerships provide our customers with confidence and peace of mind that we are able to deliver the best Signalling Design solutions which exceeds their expectations. So, if you need assistance on signalling design project or even some tender support why not give our team a call.

Whatever your needs why not get in touch with us today?