Best Water Resource Consulting Services in the UK

United Kingdom Water Resource Consultants

In a field where clarity, compliance, and climate resilience are non-negotiable, these UK-based water resource consultancies lead with transparency and substance. Curated through a research-driven and client-verified lens, the firms below represent the best of local water strategy, planning, modelling, and technical delivery.

Methodology: How We Chose These UK-Based Water Resource Consulting Services

Our selection was guided by three non-negotiable criteria:

🌍 Research-driven: Each consultancy demonstrates technical rigour through published results, models, or case studies.

🧭 Client-reviewed: Firms included here have documented outcomes and are trusted by real-world partners—across regulatory, commercial, or infrastructure domains.

📌 Location-based: All featured agencies are headquartered in the UK, with founders or leadership embedded in regional context and regulation.

🌟 Standout Water Resource Consultancies in the UK

💧 Water Environment Limited

‍What they do:                                                                                                  

‍Hydro-environmental assessments, water resource engineering, and hydrological modelling for sustainable UK water systems.

Who they work with:                                                                                                                      

Infrastructure developers, regulatory agencies, and local authorities.

Operating model:                                                                                                                           

‍Integrates real-world modelling with regulation-aligned water assessments.

💡 Why they stand out:

• 🛰️ Advanced hydrological modelling with regulatory precision
  
  
• 🛠️ Strong track record in compliance-focused project delivery
  
  
• 🌧️ Deep expertise in flood risk and sustainable water design

Tony Clothier, Founder & Managing Director of Water Environment Limited

Tony leads with over 30 years in applied water science, specialising in engineering assessments that enable proactive flood and water resource management. He’s recognised for bridging environmental precision with regulatory outcomes, helping clients align early with Environment Agency requirements.

Guy Laister, Co-Founder & Director of Water Environment Limited

Guy Laister is a co-founder and director with a background in technical consultancy and environmental project management. He oversees client relationships and operational strategy, ensuring smooth project execution across diverse sectors. With nearly two decades at the helm of Water Environment Limited, Guy has helped grow the consultancy’s reputation for quality, consistency, and compliance. Known for his responsive communication and strategic oversight, he brings a client-first mindset that aligns technical integrity with business outcomes.

💧 Artesia Consulting Limited

‍What they do:
Provides tailored water-resource planning and sustainability advisory with a focus on environmental strategy and impact assessment.

Who they work with:
DCO applicants, local councils, developers, and water utilities.

Operating model:
End-to-end consultancy from planning feasibility to compliance-ready environmental strategies.

💡 Why they stand out:

• ♻️ Sustainability frameworks rooted in natural capital
  
  
• 📑 Planning approvals backed by strong technical evidence
  
  
• 🧩 Clear, early-stage environmental integration for developers

Dene Marshallsay, Founder, Owner & Director of Artesia Consulting Limited

Dene combines environmental engineering insight with planning strategy. Known for leading Artesia through complex UK development regulations, he’s helped clients de-risk major projects by aligning sustainability with deliverability from day one.

💧 Aguaconsult Ltd.

‍What they do:
Water resource risk assessments, supply planning, and drought resilience consulting across utility and infrastructure sectors.

Who they work with:
Water utilities, infrastructure developers, and public sector partners.

Operating model:
Scenario-based planning focused on future resource scarcity and climate uncertainty.

💡 Why they stand out:

• 🔮 Long-term drought scenario modelling
  
  
• 🏛️ Resilience strategies aligned with government policy
  
  
• 💬 Trusted for clear communication in complex resource planning

Harold Lockwood, Founder, Director & Principal of Aguaconsult Ltd.

Harold Lockwood is the founding director of Aguaconsult, bringing over 30 years of experience in the rural water sector. His expertise spans institutional reform, sector policy development, decentralisation, and the sustainability of service delivery systems. Harold has led assignments across more than 30 countries in Latin America, Asia, and Africa, including long-term advisory roles in Pakistan (1993–1995) and Nicaragua (1996–1999). He has supported clients such as FCDO, USAID, UNICEF, the World Bank, the Bill & Melinda Gates Foundation, NGOs, and research institutions. 

💧 Roger Falconer Water Consultancy Ltd

‍What they do:
Delivers hydrodynamic modelling, flood risk analysis, and estuarine water quality studies across the UK.

Who they work with:
Government agencies, environmental regulators, and engineering firms.

Operating model:
Combines peer-reviewed academic methods with practical consultancy application.

💡 Why they stand out:

• 🧪 Pioneering research in floodplain and estuarine modelling
  
  
• 🏅 Academic-led consultancy for high-risk water environments
  
  
• 📊 Used by top regulators and infrastructure providers

Roger Falconer FREng, Founder & Director of Roger Falconer Water Consultancy Ltd

Roger is a Fellow of the Royal Academy of Engineering and one of the UK's foremost experts in hydrodynamic and estuarine modelling. His consultancy draws from a deep body of academic work to deliver innovative, technically robust water modelling solutions.

💧 Hydro-GIS Ltd

‍What they do:
Provides flood mapping, GIS-based hydrological analysis, and decision support tools for local and regional authorities.

Who they work with:
Local councils, planners, and emergency risk professionals.

Operating model:
GIS-powered modelling with a focus on communication clarity and planning support.

💡 Why they stand out:

• 🗺️ Expertise in flood mapping and spatial hydrology
  
  
• 👥 Improves public understanding of flood and water risks
  
  
• 📍 Geographically responsive solutions for UK-specific challenges

Harvey Rodda, Founder & Director of Hydro-gis Ltd

Harvey is a specialist in hydroinformatics, recognised for delivering geospatial tools that translate water risk into accessible formats. His consultancy is known for bridging technical depth with end-user clarity, especially in planning and emergency response settings.

💧 Envireau Water

‍What they do:
End-to-end consultancy on water supply, strategy, and environmental compliance—from boreholes to planning permissions.

Who they work with:
Developers, agriculture, manufacturers, and environmental regulators.

Operating model:
A full-cycle water advisory—from abstraction licensing to impact assessments.

💡 Why they stand out:

• ⚙️ Deep technical understanding of abstraction licensing
  
  
• 🧾 Known for turning complex regulatory issues into clear outcomes
  
  
• 🕐 Trusted by industry for fast, effective delivery

Philip Ham, Founder & Managing Director of Envireau Water

Philip combines hydrogeology expertise with a practical business mindset. With decades in applied water planning, he helps clients reduce delays and meet compliance through precise, tailored water strategies.

💧 Wallingford HydroSolutions

‍What they do:
Hydrological and hydrogeological assessments including flood risk, drainage modelling, and water impact analysis.

Who they work with:
Developers, infrastructure engineers, insurers, and public agencies.

Operating model:
Bridges the gap between technical modelling and real-world regulation.

💡 Why they stand out:

• 🔬 Strong foundations in hydrology and groundwater systems
  
  
• ⚖️ Technical models that align with planning policy
  
  
• 📋 Regulatory engagement that accelerates project timelines

Jude Jeans, Founder & Director of Wallingford HydroSolutions

Jude leads a technically advanced team focused on actionable hydrological advice. Her background in groundwater assessment helps clients move confidently through complex environmental approval processes.

💧 HydroCo Ltd

‍What they do:
Strategic water resource planning, resilience services, and demand forecasting for UK utilities.

Who they work with:
Water companies, regulators, and infrastructure managers.

Operating model:
Partners with clients to create adaptive, climate-conscious water resource strategies.

💡 Why they stand out:

• 🔁 Emphasis on long-term resilience and regulatory readiness
  
  
• 📈 Data-led demand forecasting tools for resource balancing
  
  
• 🧠 Multi-founder leadership with complementary expertise

Richard Barnes, Co-Founder & Director of HydroCo Ltd

Richard Barnes brings deep technical and operational experience in water resource modelling and demand forecasting. With a career spanning over 20 years, he has worked across multiple Water Resource Management Plan (WRMP) cycles and national planning reviews. Richard is known for translating complex modelling outputs into actionable insights that support decision-making at both executive and regulatory levels. He leads strategic development at HydroCo, ensuring that all outputs meet the evolving demands of the UK water sector.

Andrew Aung, Co-Founder & Director of HydroCo Ltd

Andrew Aung has a strong background in environmental modelling and scenario-based planning for utilities. At HydroCo, he leads the design and implementation of forecasting tools that help utilities manage uncertainty, balance resources, and address regulatory risk. His analytical mindset and attention to long-term performance make him an essential voice in national and regional water planning projects.

William Tracey, Co-Founder & Director of HydroCo Ltd

William Tracey brings regulatory insight and commercial strategy to HydroCo’s leadership. He focuses on aligning technical deliverables with the business objectives of water companies and stakeholder expectations. With expertise in programme governance and strategic resilience, William plays a pivotal role in ensuring that HydroCo’s recommendations are both technically robust and operationally feasible within complex infrastructure environments.

‍💧 Watermarq

‍What they do:
Advises on water-sector investment, pricing strategy, and regulatory risk for utility and investor clients.

Who they work with:
Utilities, private equity firms, government, and policy-makers.

Operating model:
Translates economic and policy shifts into actionable strategies for water-sector stakeholders.

💡 Why they stand out:

• 💼 Deep sectoral understanding of utility economics
  
  
• 🏛️ Advises on regulatory positioning and policy engagement
  
  
• 📊 Clear insight into water-market shifts and financial impact

Alex Money, Founder & CEO of Watermarq

Alex brings a finance-first lens to water-sector strategy. With a background in investment and utility consulting, he supports clients navigating regulatory and market volatility through grounded, data-backed planning.

UK’s Water Resource Consultants Shaping the Future of Environmental Resilience

Water resource consulting in the UK plays a crucial role in safeguarding environmental health, urban development, and sustainable water use. Industry leaders provide specialised services including hydrological modelling, water policy advisory, eco-innovation, and infrastructure planning. With expertise in areas like flood risk management, groundwater analysis, and international water systems, they support both government and private sector initiatives. These consultants bring decades of academic and practical experience to address increasingly urgent environmental and climate-related water challenges. Their influence is essential to the UK’s long-term strategy for water security and regulatory compliance.

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