Water Solutions International Limited

Water Solutions International Limited (WSI) provides specialist water consultancy, engineering and project management services to its clients in both the Public and the Private Sectors.

WSI specializes in the development and management of water projects in both Industrial as well as the Municipal field. 

Its shareholders and partners have been actively involved in providing technically robust, financially viable and commercially sustainable solutions in the UK and the International Water Industry for the last 40 years.

WSI offers a range of technical and financial consultancy services to water utilities, developers, contractors and water operators:

  • Advise on Public Private Partnership initiatives
  • Contractual and commercial documentation for EPC Contracts
  • Complete bid management process from RFQ/RFP to bid evaluation and award
  • Bid review services including design optimization, pricing strategy, financial model review
  • Pre-feasibility studies including techno­ commercial optioneering.
  • Feasibility studies with optimal technical solutions and financial modelling.
  • Pilot plant trials to study actual site conditions including water/wastewater quality
  • Process design services for water, wastewater and sludge treatment.
  • Process and plant design optimization and control.
  • Independent design verification/technology evaluation.
  • Water footprint management including Water reuse and wastewater recycling strategies.
  • Use of renewables (solar/wind/biosolids) in water/desalination/wastewater treatment plants
  • Regulatory compliance strategies.
  • Risk assessment studies.
  • Expert opinion and witness work.
  • Sludge treatment and disposal strategies.
  • Project Management Services including design review, construction supervision, and commissioning.
  • Training in water and wastewater treatment, management and O&M.

Bid Management Services

WSI provides a comprehensive range of services for tendering and bidding purposes. Client services include conceptual design, preparation of TORs, RFQ, and RFP. WSI will assist the clients in the whole tendering process including bid evaluation, negotiations and contract award.

For project developers, our services include complete bidding package tailor made to suit the needs of the developer and its consortium members. We will liaise and coordinate with all the stakeholders including external parties such as lenders, client’s consultants, contractors, and sub-contractors. We set up a dedicated team of technical and financial experts to advise on bidding strategy and to carry out risk analysis and mitigation measures. If required, we can do an independent capex and opex estimate and carry out financial modelling. 

Our Bid Review Services including design optimization, pricing strategy, and a review of the financial model to ensure compliance and competitiveness.

Design Review and Site Supervision for EPC Contracts

For EPC or Design and Build projects, WSI offers traditional consultancy services including thorough review of process, mechanical, electrical, and civil design and supervision of construction, testing and commissioning.  In addition, we provide Project Management and Head Office Support. Our experienced Resident Engineers and technical site team will ensure timely completion of projects in accordance with contract requirements.  

Plant Performance Audits

WSI offers detailed independent process audits on industrial effluent, sewage treatment, and RO desalination plants. Its experts visit and carry out a detailed onsite survey and submit an impartial audit report covering areas such as asset condition, risk analysis, plant behavior and performance under different operational regimes.

Performance Enhancement Studies

A detailed survey can highlight inefficiencies in the plant operation and distribution systems. There is usually a great potential to improve the efficiency of the plant and processes, increasing productivity and the bottom line.

WSI through its O&M experts can carry out Enhancement Studies and suggest ways of improving plant performance, reducing energy costs, and increasing productivity. Dynamic modeling of water and wastewater treatment plants is carried out using latest software. Pressure control in water distribution networks is simulated using hydraulic modeling which enables background leakage to be controlled effectively.

Environmental Compliance Services

WSI through its partners provides a specialist range of consultancy and training services to clients operating in the Industrial and Municipal Sectors.

Our aim is to assist our clients with achieving and maintaining environmental regulatory compliance and personal safety within the workplace.

We work with professional experts who have the necessary skills and experience required to provide businesses with an effective and quality assured service to match any of Client’s requirements and expectations.


In association with leading UK institutions, WSI can offer a range of high quality Water and Sewage Treatment Training Courses specifically for engineers, utility managers and water treatment professionals. Each training course is tailor made to provide a practical and cost effective training solution.

Our courses have been developed by team of highly experienced engineers,chemists, water treatment and training professionals. The materials included in each course are designed to offer practical advice and support and cover a range of issues including water sources and uses, water chemistry water sampling and analysis procedures, industry applications, boiler and cooling water system treatment, reverse osmosis, effluent and wastewater treatments, chemical applications, chemical dosing and control system , as well as training in HSEfor water operators.