Your global leader in sustainable water solutions

At RSK, we deliver global sustainable water solutions and water management consulting, providing end-to-end water infrastructure support to address pressing and future environmental and operational challenges. Our presence in over 40 countries and more than 5,000 water specialists enables us to support clients at every stage, offering impactful and lasting solutions for all their needs.

RSK is proud to be a Gold Sponsor of the IWA World Water Congress & Exhibition 2026

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Our water expertise

Recirculation Solid contact Clarifier Sedimentation Tank in Water treatment plant

Asset creation

RSK designs, builds and maintains water infrastructure that is resilient, sustainable and future-ready. Combining process-led design, construction expertise and advanced technologies, we deliver end-to-end solutions for water and wastewater systems, supporting everything from major capital projects to maintenance. Our approach balances environmental performance, community needs and long-term resilience to help clients meet today’s demands and prepare for tomorrow.

Asset creation solutions
Aerial drone view of low water levels in Pontsticill Reservoir

Climate resilience

RSK develops climate-resilient water systems that address today’s environmental pressures while preparing for future challenges. By combining innovation, sustainable design and circular economy principles, we create adaptable, low-carbon infrastructure that protects communities and ecosystems. Our integrated approach supports clients through the full project life cycle, ensuring water systems are efficient, reliable and equipped to thrive in a changing climate.

Climate resilient solutions
Aerial Top View of Drinking-Water Treatment

Smart infrastructure

RSK delivers smart infrastructure solutions that make water systems more resilient, efficient and future-ready. Combining decades of expertise with advanced technologies such as AI, the ‘internet of things’ (IoT) and digital twins, we help clients monitor, manage and optimise infrastructure in real time. Our integrated approach supports strategic asset management, reduces carbon and ensures reliable water services that adapt to changing needs and growing challenges.

Smart infrastructure solutions
Caban Coch Reservoir near Rhayader, Elan Valley in Powys, Wales

Water resources

RSK provides integrated water resource management solutions that secure supply, enhance quality and build long-term resilience. Drawing on global insight and local expertise, we address every stage of the water cycle, from sourcing and conservation to treatment and reuse. Our pragmatic, future-focused approach balances environmental, industrial and community needs while adapting to evolving challenges such as water scarcity, pollution and climate change.

Water resource solutions

Whole life cycle water supply delivery

Meeting the demand for a reliable and flexible water supply is one of the water industry’s greatest challenges. From initial concept to long-term operations, our life cycle approach transforms water resource solutions by encompassing feasibility and optioneering, planning and design, construction, monitoring and measuring, and ongoing maintenance to deliver resilient, future-proof systems for clients and communities worldwide. See how we bring our solutions to life through our most recent projects.

WANDa PLDR: Water pipe-level discoloration assessment tool

WANDa PLDR: Water pipe-level discoloration assessment tool

How do you assess 105,000+ km of water mains? WANDa PLDR uses smart analytics to reduce complaints, costs and operational waste.

In-line carbon dioxide pH neutralisation

In-line carbon dioxide pH neutralisation

Could this replace traditional tank-based water treatment? Discover the in-line CO₂ solution cutting footprint by 76%.

New sewerage catchment infrastructure, Addis Ababa, Ethiopia

New sewerage catchment infrastructure, Addis Ababa, Ethiopia

Transforming sanitation in Addis Ababa: new sewers and treatment plants will serve 1 million people, improving health and the environment.

A water resilient future

The connection between water and our daily lives means that the consequences of climate change will be experienced by most people through the medium of water. Water is essential to achieving many of the Sustainable Development Goals (SDG) and is central to the United Nations’ 2030 Agenda for tackling global challenges and creating a sustainable future.

The challenges:

No PovertyZero HungerGood health and wellbeingQuality educationGender equalityClean water and sanitationAffordable and clean energyDecent work and economic growthIndustry, innovation and infrastructureReduced inequalitiesSustainable cities and communitiesResponsible consumption and productionClimate actionLife below waterLife on landPeace, justice and strong institutionsPartnerships for the goalsSustainable Development Goals

The latest in water

Landmark clean-up gives former Margate chemical site green light for redevelopment news

Landmark clean-up gives former Margate chemical site green light for redevelopment

RSK expands New Zealand water, energy and infrastructure capability as BTW Company joins group news

RSK expands New Zealand water, energy and infrastructure capability as BTW Company joins group

RSK-Greenwich partnership puts sustainability and employability at heart of new curriculum news

RSK-Greenwich partnership puts sustainability and employability at heart of new curriculum

RSK-sponsored quiet space inspires lasting change at events venue news

RSK-sponsored quiet space inspires lasting change at events venue

Collaboration and innovation drive Irish water sector climate change impacts project insights

Collaboration and innovation drive Irish water sector climate change impacts project

Commercial incentives can accelerate value chain decarbonisation, RSK report finds news

Commercial incentives can accelerate value chain decarbonisation, RSK report finds

RSK Careers

Our business has grown quickly and we plan to maintain this momentum. We’re looking for people who have the passion, skills and spirit needed to grow with us.

Explore careers