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About us

Meet the Team

At Cathodic Protection Co. Ltd. our team are here to help you. From enquiry through to handover, we work with you every step of the way.Explore our team members and find out why their experience in the industry can help you with your project needs.
Alessandro Bonetti (BSc, MSc) Cathodic Protection Engineer

Alessandro has an MSc in Materials Engineering from Politecnico di Milano. He is ISO 15257 certificated as a Level 4 Senior CP Engineer for underground and immersed structures, marine metallic structures and inner surfaces of metallic container structures. Alessandro has over 15 years’ experience in the corrosion industry and presently works in the project department on the design of CP systems, technical and commercial quotations and site activities. He has worked extensively around the world, both on and offshore, including Italy, Saudi Arabia, UAE, Bahrain, Turkey, Egypt, Azerbaijan and Kazakhstan.

Simon Filmore Cathodic Protection Engineer

Simon has over 30 years’ experience in the cathodic protection industry and is qualified in electrical installations. A member of ICorr, he is one of our most experienced design engineers and has extensive site experience in the UK, Middle East, North Africa, Central Africa, Europe and Asia. Simon's experience in sacrificial and impressed current cathodic protection systems covers design, site surveys, installation, commissioning, monitoring and maintenance.

Ed Sparks Sales Manager

Ed has over 20 years’ experience in the cathodic protection industry, during which time he has developed an extensive knowledge of CP applications, particularly steel in concrete CP, and the wider industry. Ed is responsible for major project sales, focusing on securing major contracts and managing key accounts.

Dr. Dan Marshall Cathodic Protection Engineering Technical Director

Dan has over 25 years’ experience in the corrosion industry. He obtained a PhD in Corrosion Science from The Corrosion and Protection Centre, UMIST UK, in 2000. Dan is a Member of The Institute of Corrosion; and is ISO 15257 certificated as a Level 4 Senior Cathodic Protection Engineer. Within CPCL he is the Cathodic Protection Engineering Manager in the CP Systems/Project Department covering the design of CP systems, submission of technical and commercial quotations & project management.

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Cathodic Protection Co. Ltd.
Venture Way, Grantham, Lincolnshire, NG31 7XS, UK
Tel: +44 (0)1476 590666 Email:
Your Questions Answered


Below you’ll find the answers to questions we most commonly get asked about regarding CP systems:

Cathodic protection design competences are covered by ISO 15257 (2017). All designs should be signed off by a level 4 Cathodic Protection Engineer (or equivalent). There are 4 main sectors covered within this standard:

Steel in Concrete

The CP Engineer should have the correct certificate for the applicable sector(s).

Cathodic protection can be applied to any buried or submerged metallic structure, including pipelines, tank bases and internals, steel in concrete, harbours, jetties and offshore structures.

Cathodic protection can not be applied to above ground metallic structures in free air.


All commissioning work should be undertaken by an adequately certificated ISO 15257 (or equivalent) CP engineer with the correct sector.


Coatings can be considered as the primary corrosion protection system and cathodic protection would then be the secondary system to protect your structure.

To achieve the most cost effective corrosion protection solution, coatings and cathodic protection should be applied together where possible.