Area Of Expertise

Peter Lumley is an experienced expert witness and consulting engineer in the process and oil & gas industry.

Consulting and expert engineering is a specialist profession that provides skilled independent expertise in engineering, technical support, business, financial and administrative expertise, project management and co-ordination, delivery and many other consulting engineering services.

If you’re looking for an expert witness for a case or a consulting engineer for your next project, look no further than seasoned professional, Peter Lumley.
Mr. Lumley brings a wealth of experience to the oil and gas, pharmaceutical, manufacturing and petrochemical industries, and specialises in several key areas.

Mr. Lumley can offer skilled independent expertise in engineering, technical support, business, financial, administrative, project management, co-ordination, delivery and many other consulting engineering services. Choose from functional services or technical services, depending on your project’s requirements.

An engineering professional

Mr. Lumley has extensive experience in onshore and offshore oil and gas processing, petroleum refining and products, utilities and power generation. He can also offer the following specialisms:

Functional services

Technical services


Process industries

Manufacturing Industries

Expert Witness Experience

Technical Backup​

If your project is broad in scope, Mr. Lumley has a pool of talented professionals he can tap into and bring on board. As the managing director of Manderstam International Group of consulting engineers, Mr. Lumley has access to significant multidisciplinary engineering support – in process, piping, instrumentation, electrical, structural and metallurgy or welding.

If you require more information or would like to enquire about our consulting engineering or expert witness services, please do not hesitate to get in touch by calling +44 (0) 1273 326 394, emailing or filling out our contact form with your requirements.

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"Dear clients and colleagues,

Like all of you, we have been closely monitoring the COVID-19 pandemic since its inception in order to respond as necessary. Our priority is the health and wellbeing of all whom we work with and our wider responsibility of serving our clients. To that end we have implemented a robust, well tested plan which enables us to operate at usual capacity and ensure a high quality service: business as usual in other words.

We wish all our clients good health in these challenging times".

If you have any questions, please click the button to contact Peter.