Protecting critical assets and life,
from the harmful effects of High Voltages
and Lightning globally, since 1995

earth potential rise GPR

As part of a robust business risk management approach to Electrical Earthing System Design - we take what can be a difficult to understand, complex subject and using the latest Finite Element Analysis software simulation tools, such as CDEGS - we intelligently turn the complex … into easy-to-understand visual mapping or plans showing clients where their business risks lie.

With a focus on electrical earthing system design, earthing measurement and surveys, lightning protection design, training and policy formulation.

Technically secure …
easy to understand earthing solutions

Working with large prestigious clients and engineering consultancies worldwide who own or operate high-value, critical assets with easy to understand electrical earthing strategies and solutions from design concept, analysis, validation, construction through to Remote Monitoring once installed.  All in order to help manage business risk effectively - Taking the guesswork out of Electrical Earthing System Design, with innovative, cost-effective solutions from pre-construction right the way through to post-construction monitoring.

Sectors:  Energy and Oil, Data Centre, Defence, Utility,  Railway electrification, large-scale generation, renewable energy and landmark buildings and structures (on and off-shore).

5 Great reasons to choose GreyMatters for your next Electrical Earthing Design…

1. Easy To Deal With

Real people, real answers … in real time!  Choose a way to reach us that suits you – online or offline chats, we’ve made it easy to reach the expertise you need in earthing system design.

2. Fully Transparent Process

Never feel like you’re in the dark!!! ...

From 11 kV to 765 kV, if your concern is High Voltage Power Systems Earthing or Lightning … Our fresh approach offers a fully communicated process so you’ll never feel like you’re ‘in the dark’ and won’t have to waste time chasing us.

3. Specialist knowledge

Greymatter Electrical Earthing

Taking the 'guess-work' out of electrical earthing systems ... GreyMatters are absolute specialists, fully accredited top 1% CDEGS Earthing Consultancy in Europe, using the latest finite element analysis software tools available we can take away the risk of your system not being compliant to the latest UK, IEC, IEEE and International Electrical regulations.

Your project is in SAFE HANDS! ... Full compliance is a 'built-in' so you can relax, free from the uncertainty.

4. Unique Solutions to Lightning and Earthing Problems

Not only do we design great Earthing Systems but GreyMatters continues to develop unique Earthing Solutions to fit any Earthing Protection or Lightning situation you can throw at us ... using the latest innovations & technologies!

This means that no matter how challenging your requirement we will always have a solution!

5. Guaranteed Solutions

There are a number of things GreyMatters aims to do really well, and we are prepared to back those up by offering a range of guarantees on earthing systems and Lightning solutions.  From 25 year no-strike warranties on lightning designs to delivery performance guarantee, click on our live chat to learn more.

intelligent earthing | protecting life


More than 498,500 lives were protected during 2017 alone by people using our electrical earthing designs.  For 2017 the goal was 450,000 - For 2018 our goal is to protect 550,000 lives …

If after reading this you’re still not 100%, don’t take our word for it!  Take a minute to see our case study on 5 Mistakes to Avoid in Electrical Earthing Design.

If High Voltage Power Systems and Lightning are causing you concern, why not have a quick ‘live chat’ below as a start?...we're here!

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"Working with GreyMatters has totally changed my expectations of a professional engineering consultancy firm … for the better! Technically, they were on the money! More importantly however ... they kept me updated throughout the entire project, which was so refreshing, and therefore quickly put my mind at ease that things were being taken care of." (C. Turgis)
  • subsea 7
  • Atkins
  • Siemens
  • Hydro66
  • Western Power Distribution
  • National Grid
  • BAM Nuttall
  • Rotary Building Services
  • M&W Group
  • Valero
  • Technip
  • Royal Airforce
  • PM Group
  • MOD
  • ISG
  • Ineos
  • Exelis
  • Essar
  • Deerns
  • Network Rail
  • AWE