We support a growing portfolio of enterprise-ready digital solutions that are secure, easy to integrate, and scalable to meet the needs of projects of any size.
Expert insights on issues that transform business, increase sustainability and improve lives
Here’s a snapshot of what we’re thinking about. Explore these highlights or view the full library to dive deeper into the ideas shaping our work.
Meet some of our passionate problem-solvers, constructive creatives and inspiring innovators
We combine deep technical expertise with catchment wide insight to plan, design, construct and operate water systems that are efficient, low carbon and adaptable – even under increasing climate pressures and community expectations.
We have more than a century of water management experience and have played leading roles in many of the world’s largest and most transformative water supply, wastewater, irrigation, drainage and flood protection projects.
We offer:
Sustainable development
We help water utilities, local and national governments, regulators, industrial customers and community stakeholders to plan the sustainable management of water resources.
Futureproofing infrastructure and services
We are experts in strategic asset management and in extending the life of existing assets both above and below ground. Our teams are pioneers in reducing the cost and embodied and operational carbon of infrastructure, and in advancing resilience. Our solutions are augmented by leading-edge use of our digital technologies and tools, to maximise value for you, your customers and wider society.
Systems thinking
Our solutions consider interconnections and dependencies, causes and effects across the natural and built environments. We take a holistic multi-stakeholder approach to deliver social and environmental benefits at scale.
Environmental management and nature-based solutions
Management of the water environment offers major opportunities for nature-based solutions, particularly in upstream catchment adaptation for flood control and sustainable treatment of recycled wastewater.
Project excellence
Our multidisciplinary breadth enables us to identify and resolve potential challenges – and to realise opportunities – across asset lifecycles. We can help you set strategy, build business cases, secure investment, plan, design, apply transformative technologies and realise operational efficiencies – achieving excellent project outcomes.
Bangkok smart flood management decision support system, Thailand. We created a predictive model that employs machine learning – the first of its kind – to forecast how storms will develop, where rainfall will be most intense, and how local rivers, drainage channels and sewers will respond.
Owners, regulators and operators need to ensure water infrastructure is adaptable to climate change, emerging contaminants of concern, and the demands of other stakeholders – with affordability in mind.
Meanwhile, wastewater treatment and recycling, energy and resource recovery must be sustainable to meet stricter environmental standards and minimise climate change impacts. With deep technical expertise from across our global network, we understand these complex challenges.
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North America
John Scheri
Global market leader, water
Over the past two decades, cities have embraced new solutions in surface flood management that deliver environmental and social value alongside flood mitigation.
Civil engineer Sally Russell combines her industry expertise and people leadership capabilities as she takes on the role of leading Mott MacDonald’s water and environment business.
With ever-changing and increasingly complex contractual model interfaces, proper understanding and allocation of the responsibility for construction impact assessments, risks, and instrumentation and monitoring is essential.
Even with strong data and clear standards, PFI handback success ultimately depends on governance, collaboration and capability.
Even where intentions are aligned, PFI handback can stall when contractual requirements lack clarity and assessments lack consistency.
Data gaps are one of the most significant, and underestimated, risks in PFI handback. Mott MacDonald commercial director Katherine Jackson explains in this third part of her blogs on PFI handback challenges.
Late mobilisation remains one of the most consistent drivers of cost, risk and tension in PFI handback, explains Mott MacDonald commercial director Katherine Jackson.
As the first wave of UK PFI contracts approaches expiry, handback is proving to be far more than a contractual milestone. It is where years of decisions, assumptions and asset performance are tested - often all at once.
The appointment further strengthens our capability to support clients in addressing the state’s evolving water, environmental and infrastructure priorities.
Pre-construction activities have started on the Ohio River Tunnel (ORT) project in Allegheny County, Pennsylvania, following the award of the over $1 billion construction contract to Brayman-Lane JV.
Mott MacDonald has secured a leading role on Scotland Excel’s £160M national framework, supporting local authorities across Scotland with sustainable infrastructure and engineering services.
Discover how Mott MacDonald, Scottish Water and George Leslie delivered emergency spillway repairs at Loch Katrine, safeguarding a vital water supply for 1.3M people.
Using digital tools and a shared geospatial platform, Mott MacDonald is helping to progress the Grand Union Canal Transfer through the Development Consent Order process and towards delivery.
Over the past decade Mott MacDonald has revolutionised the approach to stakeholder consultation through the creation of an engagement tool hosted on its Consents Management platform.
Auckland Council appointed us to redesign Safeswim as a predictive, data-led programme that provides real-time information on water quality and publish health risk at Auckland’s beaches.
The Ohio River Tunnel is the first of three combined sewer overflow (CSO) tunnels at the core of ALCOSAN’s Clean Water Plan.
The vision for the Milldale Infrastructure Projects began in 2016 as part of Auckland Council's strategic plan to enable growth in the area west of State Highway 1 (SH1) near Wainui.
JN Bentley, Mott MacDonald Bentley (MMB) and JBA Bentley provide services in the water sector and other UK engineering and construction markets. Working in close collaboration with our clients and supply chain, we deliver projects all the way from feasibility through to construction, commissioning, and handover - with a focus on providing great outcomes.