In 2025, United Arab Emirates (UAE) boasts about 160 wastewater treatment plants as of 2025 which are used majorly for irrigation of crops. Through water treatment plants located across regions like Ras AI Khaimah, Abu Dhabi, Sharjah and Dubai, UAE plans to increase its reliance on non-conventional resources like desalinated water and treated wastewater as a part of the UAE Water Security Strategy 2036.  

Water treatment companies like AL Kafaah, BESIX Group, and Metito are contributing to secure water supply through advanced treatment plants for prominent places like Dubai and Abu Dhabi.

Through wastewater treatment plants and desalination plants in the UAE, initiatives are made to reduce dependence on natural water resources. Major sewage treatment companies are contributing to the enhance the water supply for millions of people. Here, let us explore the top waste treatment companies in UAE that are major contributors to the UAE's water supply.

Top Waste Water Treatment Companies in UAE (Ranked Alphabetically)

AL Kafaah

AL Kafaah is one of the largest water treatment companies in Dubai. Renowned for over 37 years, they provide expertise in Desalination, Water Treatment, and Waste Water Treatment services. AL Kafaah has built several innovative, cost-effective, and cost-reduction wastewater treatment plants across Dubai and the UAE. From design to commissioning, AL Kafaah has handled complex nature water projects.

Over the years, they have expanded their operations across the Gulf and several other parts of the Middle East.

Areas of Expertise

Reverse Osmosis Containerized

Sewage Treatment Plants (Fixed & Potable)

Designing Compactible RO units

Industrial RO Treatment Plants

Seawater Desalination (Mobile)

Major Projects

Presidential Palace - Qasr Al Watan, Abu Dhabi

Farmhouse Agro Group, Ras Al Khaimah

Liwa Agriculture Farm, Liwa

Al Mirfa Water Supply, Sharjah

BESIX Group

BESIX Group is one of the largest sewage treatment plants in the UAE. They serve their operations as several entities, such as Wust in Belgium, West Construct, and Vanhout. BESIX Group is popularly known as Six Construct in the Middle East. Their vast services include designing, innovation, execution, and commissioning of WWTP's (Wastewater treatment plants).

This leading water treatment company is known to build treatment plants using technologies like MBBR and MBR, which meet water quality standards for sewage and brackish water through advanced technology such as ultrafiltration and reverse osmosis technologies. 

BESIX Group is renowned for creating energy from waste and water. This includes the sludge drying process, which converts the biosolids into fertilizers and valorization that produces biogas for green energy. Its well-designed layout of pumping stations, hydroelectric installations, and maintenance of underground pipes for sewage disposal systems helps it stand as a reliable source of renewable sources during rapid demographic changes and the global transition to green energy.  

Areas of Expertise

Industrial Wastewater Treatment Plants

Potable Water Plants

Municipal Wastewater Treatment plants

Waste-to-Resource (WTR)

Pumping Stations & Hydro-electric Power Stations

Major Projects

Jebel Ali Desalination Plant

Ruwais Wastewater Treatment Plant

Ajman Wastewater Treatment Plant

On January 9, 2025, BESIX announced the commercialization of its new mobile installations. These mobile installations designed  with a capacity of 50 cubic meters per hour extract polyfluoroalkyl substances (PFAS) from groundwater used in construction activities.
 

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Metito

Metito is one of the largest companies in Dubai, providing sustainability across the UAE for over 60 years. Its primary functions include Designing & Building, Operating & Maintenance of these water utilities. It is one of the largest sewage treatment plants in Dubai. Through several projects and years of expertise, they operate across the entire water treatment value chain. This includes desalination, water reuse, sewage treatment plants, and industrial solutions.

Metito pioneered the water industry by introducing reverse osmosis RO technology for desalination outside the USA in 1972. It delivers services across Saudi Arabia, the United Arab Emirates, Egypt, Qatar, etc.

Employees: 4500

Services Provided: 50 Countries

Offices: 20

Major Projects

Abu Dhabi Seawater Treatment and Water Transportation Project

Fujairah Port Desalination Plant

Dubai Investment Park Wastewater Treatment Plant

Seawater Treatment and Water Transportation Project

On 28th February 2025, Metito announced its plans to invest USD 150 million in large-scale infrastructure projects in China. This includes development of the Xizhong Island Desalination and other Industrial Water Treatment Projects.

On 25th February 2025, Metito signed three Memoranda of Understanding (MoUs) during the UAE-Italy Business Forum in Rome. It signed the MoU's with Italian institutions—Cassa Depositi e Prestiti (CDP), SACE, and ACEA S.p.A to develop water infrastructure projects across Africa, the UAE and other regions to provide water security.

On 8th January 2025, A consortium led by The Arab Energy Fund (TAEF), formerly known as APICORP announced its acquisition of Metito Utilities with 100% stake. This acquisition was driven to address critical water ans wastewater management needs across the Middle East, Africa and Asia. It is in line with TAEF's vision for energy security and overcome water scarcity. 

Pure Water Technology LLC

Pure Water is one of the leading EPC (Engineering, Procurement, Construction) contractors for water treatment plants in Abu Dhabi. It delivers consistent water quality for wastewater and water treatment services in the UAE and Iraq.

Pure Water is one of the popular water treatment companies in Abu Dhabi. It expanded its operation across the UAE market in 2001. It built several UAE water and wastewater treatment plants through a joint venture with WETCO (Water & Electricity Company). After completing the EPC contract with ADSSC, it was awarded several DBO contracts (Design Build Operate) in the water and wastewater sector.

Employees: 1500+

Total Water and Wastewater Projects: 447

Major Projects

Saadiyat Island main sewer line

Al Yassat Island stp

Al Shuwaib & ghantoot wwtp

Dina island desalination plant

Al Reem Island desalination plant (SWRO)

Lulu Island desalination plant (SWRO)

Read: Top 5 Waste Water Treatment Plants in Saudi Arabia

Veolia Middle East

Veolia is a prominent global leader in water, waste management, and energy services, including operations in the Middle East, particularly in the UAE. This water treatment company is one of the major contributors to waste water treatment plants in Dubai. It provides services like water treatment plants with advanced technologies and well-structured treated water reuse mechanisms.

Veolia implements advanced water treatment solutions in the UAE to address local challenges such as water scarcity and quality. They provide water solutions to industrial processes, municipal drinking water, and wastewater treatment through large-scale water and wastewater treatment plants.

Potable Water supplied: 10 Million people

Industrial waste handled: 2.5 Million tonnes

Energy distributed: 130 MWH

Major Projects

Jebel Ali M-Station

Hassyan Desalination Plant

Mirfa 2 Desalination Plant

On 17th February 2025, Veolia announced it signed a Memorandum of Understanding (MoU) with the Abu Dhabi National Oil Company (ADNOC). This partnership aims to leverage Veolia's expertise in water infrastructure and reduce water consumption and carbon footprints, aligning with Veolia's GreenUp program, which targets significant growth in the Middle East by 2030.

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Advancements in Water Treatment Technology

Several water treatment plants use advanced technology such as activated carbon filtration, water softening, etc. Several companies like Ultratec Water Treatment Advanced Watertek are promoting water treatment solutions, including using human-safe water treatment chemicals that can advance the purification process and produce clean water for drinking.

Wastewater Treatment in UAE: Market Trends and Future Growth (2025)

On 22nd March 2025, the Arab celebrates the Arab Water Day. This year, it celebrated with a theme for ‘Sustainable Water for a Better Water Future’. His Excellency Suhail Mohamed Al Mazrouei, Minister of Energy and Infrastructure emphasized increasing the reliance on non-conventional water resources such as desalinated seawater, and treated wastewater to produce fresh water. In 2025, the non-conventional water resources contribute to about 53% of the water supply demand in UAE.

Reports show that UAE mostly relies on wastewater treatment plants to meet its irrigation needs. As a part of UAE Water Security Strategy 2036, it aims to ensure sustainable access to water during normal and emergency conditions. The objectives include to reduce total demand for water resources by 21%, reduce water scarcity index by 3 degrees and increase the reuse of treated water to 95% by 2036.

Currently in 2025, UAE has over 160 wastewater treatment plants with a total capacity of over 3 million cubic meters per day and about 73% of treated wastewater is being used to irrigate landscapes in UAE.

Conclusion

The UAE’s water treatment industry has tremendous growth through projects like Ras Al Khair desalination plant and Jebeli Ali Sewage treatment plants, serving as a backbone for providing water quality to millions across the UAE. Water Treatment Companies like AL Kafaah and Veolia Middle East are introducing innovative water purification solutions to ensure future water security. 

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