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Certium is an independent examination company that gives technical exams both in theory and in practice. These are given under its own name as well as the certification of STIPEL (a Dutch foundation for individual certification in energy technology). 

Next to giving exams Certium is specialized in developing technical exams, like questions for proprietary regulations. Those questions will be established in consultation with you. That is why the exam questions correspond perfectly to the course especially made for your company. To find out whether their is a lack of knowledge and skills, your employees can be tested by Certium. You can also find out if there might be a need for more training.


Texemus is an independent company, that is focused on achieving web-based applications for education, healthcare, government and the general public. Innovation is one of the driving forces within the organisation. Texemus is constantly looking for new challenges and works full time on improving and optimizing their internal company processes. They continuously research new techniques, possibilities and markets. That is how they keep their team up-to-date with the latest developments. 

Their no-nonsense mentality is aimed at: 

  • web-development        

  • e-commerce        

  • m-commerce

Al Nahiya Group

The Al Nahiya Group was founded in 1981 in Abu Dhabi and is owned by His Highness Sheikh Tahnoon Saeed Shakhbooth Al Nehayan. The group is licensed to employ and recruit manpower for on shore and off shore oil and gas fields and installation services.They develop their capabilities as an integrated services company by offering international companies a platform for entering the United Arab Emirates market. Next to this the Al Nahiya Group provides technical and management training services linked to an internationally recognized accreditation.

Ops Excellence L.L.C.

Ops Excellence is formed in 2001 as a UK Company supporting clients such as: BP, SIEP and Shell Global Solution International. In 2004 they relocated to the Sultanate of Oman with headquarters in Muscat and became fully registered Omani Company in 2006.

This enabled them to provide systems and support in the following areas:

  • Project Management

  • Cost Management and Quantity Surveying

  • Construction Advisory Services 

Ops Excellence LLC now operate in Oman, GCC states, Europe, Japan, Indonesia and Australia. They provide the highest level of support to clients through an understanding of their needs, the application of professional skills and the delivery of services to meet the highest standards.

Nova College

The Nova College provides vocational education for young people and basic and secondary education as well as business courses for adults. The vocational education encompasses Economics, Technology, Social Care, Health and Welfare from assistant to specialist/middle management. 

Besides the above mentioned we provide training for company employees and others who wish to increase either their prospects in the job market or their own personal competence.

ROC College North Holland

ROC College North Holland and Quercus joined forces to close the gap between graduates and the industry. The ROC College is an independent institute with a focus on the interest of consumers who are looking for the most relevant and up to date information on education. Their goal is to chart the educational landscape for a broad audience and to make education more accessible.