About Qatar Calibration Services W.L.L. ( Q-Cal )

Q-Cal (Qatar Calibration Services W.L.L.)

was established in Qatar in 1998 to provide process equipment calibration, repair, rental and management services. Q-Cal is a joint venture company of Petrotec, Doha, Qatar and Intertek. More information is available at www.petrotec.com.qa and https://www.intertek.com . The company has grown and developed and now offers a full Inventory management service and also equipment rental. QCal holds ISO 17025 accreditation through the International Accreditation Service (IAS) and ISO 9001:2015, ISO 14001:2015, OHSAS 45001: 2018 from LRQA. We can ensure your products meet quality, health, environmental, safety, and social accountability standards.


Established in 1989, Petrotec supplies equipment and provides related engineering services to all energy based industries in Qatar. In association with leading manufacturers from across the globe and local expertise and competence, Petrotec has established an enviable track record within the industrial sector of Qatar. Manned by professionally qualified engineers, Petrotec strives to develop a synergistic relationship with their principals and customers.


Intertek is an industry leader with more than 44,000 employees in 1,000 locations in over 100 countries. We deliver Total Quality Assurance expertise 24 hours a day, 7 days a week with our industry-winning processes and customer-centric culture. Whether your business is local or global, we can help to ensure that your products meet quality, health, environmental, safety, and social accountability standards for virtually any market around the world. We hold extensive global accreditations, recognitions, and agreements, and our knowledge of and expertise in overcoming regulatory, market, and supply chain hurdles is unrivalled.

Client Base

Contact Us

Street 39, Gate 67,
Salwa Industrial Area, Doha, Qatar

Al Ghuwariya St # 1,

Tel: +974 4033 1741
Fax:+974 4451 5319