Our core Business is the Management of
Water Assets

Oman Sustainable Water Services

Commitment to local talent.

At OSWS we are working to be one of the most customer-centric company in Oman. To get there, we are committed to hiring exceptionally talented, bright, and driven people. We really believe that development is always linked with skills and think that the young force is the most powerful tool a country has. In this regard, our involvement with local talent is one of our main concerns.

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The company provides worldwide engineering,
and management for complex projects

Our core business is the management of water assets (both supply and sewage). Our main aim is to enlarge lifetime of equipment and maximizing investment efficiency. To work for the continuous improvement of management process to operate and maintain them cost-effectively.
Our Services


Sohar Industrial Port

Sohar Industrial PortOperation and Maintenance Service Agreement (Tender 11/2015) Sohar Industrial Port, Sohar, Oman Common Cooling Water System. (CCWS) The [...]

Aqualia Mace – Al Ain Region

Aqualia Mace - Al Ain Region 1.       Name and Location Aqualia Mace Contracting, Operation & General Maintenance LLCOperation and Maintenance Contract [...]

Majis Industrial Services is Oman’s leading water solutions provider, delivering seawater, treatment, supply, and effluent management to industrial customers who require cooling water, potable water, ultra-pure process water, and wastewater services. Majis’ operations cover two industrial areas in Oman – Sohar Port & Free zone and Sohar Industrial Estate – on which the Company holds exclusive long-term concessions.

With an investment value in excess of USD 600 million, Majis owns 10 assets that include two seawater intake plants capable of processing 740,000 m3/hour of seawater, delivered in bulk to industrial customers under long-term agreements and which can be considered one of the largest combined intake plants in MENA region.

Aqualia is the fourth largest water management company in Europe and the ninth in the world in terms of population served, according to the latest Global Water Intelligence ranking (March 2021). It currently serves nearly 30 million people in 17 countries: Algeria, Arab Emirates, Colombia, Chile, Czech Republic, Ecuador, Egypt, France, Italy, Mexico, Oman, Portugal, Qatar, Romania, Saudi Arabia, Spain and Tunisia.

In the financial year 2020, it had a revenue of 1,188 million euros with a business portfolio of more than 15,000 million euros. The company’s capital is owned by the citizen services group FCC (51%) and the Australian ethical fund IFM Investors (49%).

Our Clients

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