About Stem
Independent utility expertise, built on experience.
Stem Utility Consultants Limited was established in 2025 to provide independent utility, network adoption, technical and strategic consultancy across the UK utilities sector.
The business combines extensive industry experience with an understanding of the operational, regulatory and commercial requirements associated with utility infrastructure.
We support organisations at different stages of development, from emerging network operators establishing their capabilities to established infrastructure businesses seeking independent assurance or specialist expertise.
Our approach is collaborative and straightforward. We aim to understand each client's requirements, provide informed advice and develop practical arrangements that work for each organisation.
Stem have also developed a network of suitably qualified specialist associates to support particular assignments where appropriate.
Founder and Director
John McLuskey IEng MIGEM
Director | Utility & Strategic Consultancy
John is an Engineering Council-registered Incorporated Engineer and Member of IGEM, with over 35 years of experience across the UK utilities sector.
His career encompasses utility asset adoption, commercial development, operational management and senior leadership across gas, electricity, water and heat infrastructure.
He has held senior positions within established utility organisations and has direct experience establishing Ofgem-licensed network businesses, managing multi-utility design and build functions, and supporting the development of utility infrastructure businesses.
Through Stem, John applies this experience to provide independent technical, regulatory, operational and strategic advice.
Contact Stem
Discuss your requirements with Stem.
If your organisation requires independent utility network advice, technical assurance or support with its development and operational arrangements, we would welcome the opportunity to discuss how Stem can assist.