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Hi, we’re OAT Commercial, an independent Project Management and Quantity Surveying consultancy. We support small builders, architects and developers by providing straightforward, reliable project management and cost advice without the overhead of employing a full-time PM or QS.
Whether you’re planning an extension, refurbishment, or development project, we can assist with project management, cost planning, tendering, contract advice, and post-contract support. We aim to make the process clear, manageable, and financially sound — so you can focus on building with confidence while we take care of the details.
We are an independent consultancy, specialising in Project Management and Quantity Surveying services for the residential sector. Our passion lies in the sustainable reuse and thoughtful development of existing buildings, helping create spaces that are practical, efficient, and built to last. We support builders, subcontractors, architects and developers across a wide range of projects — from extensions and refurbishments to smaller-scale works.
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Our role is to bridge the gap between design, cost, and construction. We combine expertise in programme, cost, contract management, risk, payment and reporting techniques to ensure your project is delivered with confidence and clarity.
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We work with builders, developers, architects, and subcontractors to enable projects. Whether it's setting realistic budgets, managing contracts, tendering, or keeping cash flow on track, we take care of the details so you can focus on building. Our goal is simple: to save you time, reduce risk, and help deliver great results without the stress
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As Quantity Surveyors, we provide early feasibility advice, cost planning, detailed measurement, procurement support, and financial control throughout delivery. As Project Managers, we coordinate teams, manage programmes, oversee contracts, and monitor progress to ensure projects stay on time, on budget, and aligned with your objectives.
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Above all, we are committed to transparency, safety, and collaboration. By making the right decisions early, embedding a commercial strategy throughout, and maintaining clear communication, we help avoid costly delays, disputes, and last-minute surprises — giving you certainty and peace of mind.
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What we do & Get in touch