Independent perspectives. Informed decisions.

Providing skilled analysis and expert advice to those pursuing or examining investment opportunities in the mining industry, to help ensure successful outcomes.

Independent Expertise.

Applying over 25 years of experience gathered hands-on at mine sites across the globe and through sophisticated business evaluations for multi-national corporations, founder Rob Marsden brings a unique blend of practical and commercial expertise across numerous mining techniques as well as multiple commodities.

Supported by trusted associates, each technical experts in their particular field and highly experienced working with mining majors, ensures the best team, and result, for our clients.

MarsdenGray has been a key advisor on multiple major investments and has led technical due diligence teams with billion-dollar target asset acquisition costs.

Robust Approach.

Our proven methodology delivers unbiased clarity and perspective in the decision-making process.

Bringing together world class expertise in combination with a broad financial and technical mining background allows us to effectively identify, investigate and assess all risks and opportunities during the project shaping process, ensuring these are factored into financial models and expressed in value terms right from the start.

This rigorous approach, developed and refined by us, applies bottom-up understanding through leading-edge analysis using best-in-class financial modelling capability to provide a clear, discerning and dispassionate voice-of-reason.

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About Us.

Rob Marsden founded MarsdenGray in 2013, to draw together his unique blend of technical and practical experience as a Mining Engineer and provide clients with clear, robust insights which reflect all categories of risks in the evaluation of mining projects.

Over 25 years Rob gained experience working in Aluminium, Copper, Iron Ore, Coal, Industrial Minerals and Diamonds, across South Africa, Australia, France, the United States and the United Kingdom.

During an 18-year career with Rio Tinto he held several operational roles from Shift Supervision to Regional Management, latterly working in the Business Evaluation Department at Rio Tinto’s HQ in London.

Rob is a Member of IOM3 and is a Fellow of the Geological Society in London, gained a BEng degree in Mining Engineering from the Camborne School of Mines and has attended numerous business courses, including a three-month intensive program at IMD in Switzerland.

Our Services.

MarsdenGray works flexibly, whether a one-off assignment or on a retained basis, providing technical as well as strategic guidance support to deliver:

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Technical and valuation due diligence of mining-based investments

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Practical and technical advice to existing mining operations, securing value from ore body knowledge through mining and processing to marketing and sales

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Valuation model building

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Independent review and assessment of mine and project business plans for value and performance

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Global Experience.

Our clients include private as well as public companies with market capitalisations from single millions to tens of billions of US dollars.

Projects have involved studies and valuation across a range of commodities including Iron Ore, Gold, Diamonds, Copper, Coal, Graphite and Heavy Mineral Sands.

Based in the UK, MarsdenGray has conducted boots on the ground assignments across the globe.

Innovative Insights.

MarsdenGray HQ is located in the Harwell Innovation Centre at the world-renowned Harwell Campus. Here we have unique access to a community of pioneering businesses in the science and technology sector which have enabled us to apply innovative new approaches to our work.