About Us

Our story

Founded by Wes Harford in 1999; AM Sensors Ltd became one of industry’s valued instrumentation suppliers. Our rebranding to AMS Nuclear Engineering in early 2019 reflects the evolution of the company; from trusted instrument supplier to that of a highly reputable and respected engineering company. Still operating in the southwest but from modern offices in Bridgwater, Somerset; our committed engineering teams provide technical advice and end to end engineering solutions for C&I Systems, Environmental Sampling Systems and Ageing & Obsolescence issues.

Our facilities

With design floor, workshops and high bay assembly/test space, and working across the full lifecycle of a project AMS are able to undertake:

  • Engineering design work
  • Proof of concept work
  • Type testing
  • Goods-In Inspection
  • Instrument setup / calibration
  • Pipe forming / bending
  • Pressure / Leak testing
  • Sub-assembly / Final Assembly
  • Factory Acceptance Testing

Safety Culture

AMS Nuclear Engineering adopts and adheres to a rigorous Nuclear Safety Culture. Core values and behaviours result from a collective commitment by the company to emphasize safety over competing goals ensuring the protection of people and the environment at all times.

Our Traits for a positive Nuclear Safety Culture are:

  • Leadership Safety Values and Actions
  • Problem Identification and Resolution
  • Personal Accountability
  • Work Processes
  • Continuous Learning
  • Environment for Raising Concerns
  • Effective Safety Communications
  • Respectful Work Environment
  • Questioning Attitude


Our policies include:

  • Slavery & Human Trafficking
  • Anti-bribery
  • Data Protection & Privacy Policy
  • Quality
  • Environmental

Full list and copies are available upon request.

We find AMS easy to engage with and appreciate the considered yet responsive approach that they adopt to solutions-based engineering

C&I Project Manager

Our Team

Ben Mellick MEng MIoD

Managing Director


Ben joined AMS in early 2017, taking over from company founder, Wes Harford as Managing Director. Utilising experience gained over 18 years in technical and commercial roles in the nuclear instrumentation industry, Ben has a remit to grow the business into and across the wider nuclear estate.

Mark Barham BEng(Hons), CEng, MIET

Engineering Director


Mark joined AMS in 2006 providing valuable Project Management to the engineering function. With wide ranging technical experience across several industry sectors Mark became the Engineering Director in 2014. He currently holds responsibility for the leadership, capability and smooth running of AMS Engineering Operations. Mark remains keen to see the company flourish by enhancing the expertise and capability of an already successful engineering team.

Jason Lockley MBA, BSc(Hons)

Business Development


With over 20 years’ experience in the nuclear industry, 11 of which were beneath the waves in Royal Navy submarines, Jason has been with AMS since early 2018. With the support of his colleagues he is responsible for developing new business by maintaining and forging relationships and by promoting the good work that AMS carry out.

Mark Davies BSc(Hons), CEng, MIET

Engineering Manager


Mark is a Chartered C&I Engineer with over 12 years’ experience in delivering Nuclear Safety Critical Systems to the Nuclear Industry over the full project lifecycle and is responsible for managing the EC&I design resource to successfully deliver turnkey solutions.

Mark joined AMS in 2012 to enhance AMS’ EC&I Design capabilities and has progressed to Engineering Manager; a position he currently holds.