Our Expertise

Over 25 years CAW (Celtic Anglian Water) has built a strong reputation for excellence in project engineering for key infrastructure projects and outstanding operational performance. Our goal is to provide our clients with solutions that maximise efficiency and minimise operational costs to help them reach their water treatment goals safely and sustainably.
We offer comprehensive services, encompassing feasibility assessments, value engineering proposals, and collaborative client partnerships, including Early Contractor Involvement (ECI). From engineering design to capital works delivery and the operation and maintenance of water and wastewater treatment plants, our expertise covers every stage of the project lifecycle.
Explore Our Expertise
Water and Wastewater Treatment
CAW is a proven leader in delivering innovative and cost-effective capital works solutions and operation and maintenance services embracing and supporting the principles of health and safety, sustainability, environmental awareness and the circular economy.
- Asset Management
- Advanced Sludge Treatment supporting Biosolids and Nutrient Recovery
- Water and Wastewater Management
- Water Reuse


Renewable Energy and Energy Efficiency
Our extensive knowledge and considerable investment in ongoing innovation, enable us to design, build, operate and maintain renewable energy systems to reduce dependency on fossil fuels.
- Biogas generation from wastewater treatment
- Combined Heat and Power (CHP) systems
- Energy Efficiency and the development and application of EnPI’s
Engineering Design Solutions
We combine innovative engineering practices with extensive experience in advanced technologies to drive operational efficiency and reduce carbon emissions throughout process and asset lifecycles.
- Value Engineering
- Life Cycle and Whole Life Cost Assements
- Capital Works Delivery
- Process Optimisation
- Building Information Modelling (BIM)
