At EES, we offer optimal and sustainable solutions in the removal of waste and wastewater treatment, with low capital, operation and maintenance costs. Our operations are simple but effective and cover a full range of industrial, commercial, domestic and municipal projects.

We work in a collaborative manner and partner with the best international partners to help create a cleaner, greener environment in Oman.

Our operational services include:

  • Complete waste and wastewater management
  • Wastewater treatments for reuse and recycling for irrigation
  • Maintenance, replacement and expansion of waste and wastewater infrastructure
  • Environmental compliance and a sustainable approach to water usage and waste management
  • Backup and emergency services, 24 hours a day


Waste Water Treatment

EES offers a complete range of solutions to efficiently analyse, evaluate, and treat your entire wastewater operation from primary clarification to discharge...

Sewage Treatment Systems

At EES, we design, build, supply, erect and commission sewage treatment plants for treating sewerage using the latest wastewater technologies that are energy efficient...

Waste Incineration Plants

EES offers a range of high-combustion incineration technologies. Waste incineration is a very effective way of reducing waste and it can reduce waste volumes by up to 95%...

Reverse Osmosis Plants

At EES our reverse osmosis solutions can be added to both small and large treatment facilities and tailored to suit heavy or continuous service, with varying capacities...

Water Quality Testing

As per the requirements set out by the Ministry of Regional Municipalities and Water Resources, EES is equipped to analyse domestic sewerage, industrial wastewater and drinking water ...

Analytical Laboratory

The analytical laboratory at EES was first established in February 1985. In 1989 it received accreditation for the analysis of sewerage and drinking water from the Ministry of Environment...

Quality Control

View some of our certification and quality control standards ...


Environmental Engineering Services references. View a list of our recent projects...



Haya Water signing ceremony

Signing ceremony held at Oman Exhibition Center - during the Business Opportunities Forum. This was for 3 contracts received from Haya for RO 1 million plus for EES. More than RO 1 Billion contracts were signed during this...



EES In the Press – Gulf Industry Magazine ‘A Good Year’

Few companies in the Arabian Gulf can match this Omani Company’s experience in designing, building and maintaining STP’s and RO plants Environmental Engineering Services (EES) LLC, Oman’s specialists in the design, installation and maintenance of sewage systems, pronounced 2003 “a good year,” having...



Oman Seniors Open Golf – Oman Golf

Back in 2003-4, a group of senior golf enthusiasts in Oman recognised a niche for a golf competion for the more mature player. The Oman Senior Open Championship was born and the first event was held that season at Wudam Naval Golf Club who kindly hosted the event each year up to the time of Ghala Valley grass course...