Martin Gonzalez-Sayans
Martin is the founder and Managing Director of Probuild. He has successfully operated as a main contractor and consultant on more than 50 premium projects over the last 20 years, including one-off custom homes and multi-unit schemes, working in close collaboration with clients, architects, and specialist consultants.
In addition to Probuild, Martin also runs a residential development company and a long-established construction firm specialising in high-spec new builds. His work has been featured on national television, a reflection of his track record delivering complex projects to a high standard.
Robert McEwan
Robert has over 25 years of experience as a Quantity Surveyor, with a career spanning senior roles at Tier 1 contractors and consultancies across London and the South East. His portfolio includes major residential, commercial, and mixed-use developments, with values exceeding £100 million.
At Probuild, Robert leads the commercial strategy — overseeing procurement, valuations, contract administration, and risk management. His deep understanding of construction law, cost planning, and change control ensures every project is managed with clarity and commercial confidence.