About Us

Quality Assurance Limited was registered in the year 2003 to offer professional services in the fields of calibration, Non Destructive Testing, Noise Mapping Surveys and Quality Management Systems.

In the year 2004 it was accredited as a Calibration Centre No. S. 60 by Kenya Bureau of Standards (National Calibration Scheme) in the field of measuring:

  • Pressure
  • Temperature
  • Volume

 In the same year it was also registered as a training centre by Directorate of Industrial Training.

The company continued to grow and it was accredited in the field of balance calibration in the year 2005. 

In the year 2008 QAS was accredited by Kenya National Accreditation Service (KENAS) as a calibration centre no. KENAS/CL/10.  Kenya National Accreditation Service (KENAS) is the body which was gazetted to take over the functions of former National Calibration Scheme (Kenya Bureau of Standards). 


QAS is ISO 9001:2015 certified by Bureau Veritas K Ltd – General requirements for Quality Management Systems.

Some of QAS labs are accredited to ISO 17025 by KENAS – General requirements for the competence of testing and calibration laboratories.

In the field of training QAS is duly approved by NITA. (See appendix 4)

Our laboratories have the capability in the fields of measuring:

  • Temperature
  • Pressure
  • Mass-Balance Calibration
  • Volume & Flow
  • Industrial Measurements
  • Force
  • AC/DC
  • Density and Viscosity


QAS is committed to the provision of high quality professional services as to meet the requirements of ISO 17025 in order to meet our customers’ needs, while striving to achieve continual improvement in our quality system for the benefit of all stakeholders. All laboratory personnel shall understand the management system for all operations. All the laboratory personnel are required to familiarize themselves with the quality document and implement the policies and procedures at all times.


To be acknowledged leader in the region in the provision of services in Non-Destructive Testing (NDT), Calibration and Quality Management Systems (QMS).


To develop a multi-specialized engineering consultancy firm providing professional services both locally and regionally in the fields of Non-Destructive Testing (NDT), Calibration and Quality Management Systems (QMS).


In pursuit of its mandate and in our daily operations, the company is guided by the following values. We are committed to:

  • Integrity: fostering accountability, honesty and patriotism
  • Professionalism: Providing knowledge, skills and attitudes that will ensure high levels of competence in the performance of duty
  • Team work: Working together and supporting one another in our endeavor to achieve our stated objectives
  • Efficiency: Working diligently and with dedication in order to offer high standards of services
  • Courtesy: We shall endeavor to be courteous at all times to our customers


Quality Assurance Systems Ltd is fully Kenyan owned and managed organization. The company has invested in both highly, competent, focused and experienced manpower under the directive of Eng. Muriuki – BSc Mech. Eng. (Hons). Eng. Muriuki who is in charge of both the Non Destructive Testing and Calibration Departments is a registered Engineer and NDT Level III. He has over 25 years experience and is trained extensively in Metrology, Standardization, Acoustic Emissions (Noise levels), Welder Certification, HACCP and ISO 9000 and 14000 Quality Management Systems.

Prior to joining Quality Assurance Systems Ltd, he was the Head of Materials Testing Laboratories at the Kenya Bureau of Standards. He is also registered by the National Environment Management Authority (NEMA) as a Lead Expert/Auditor in the fields of Noise Pollution, Waste Management and Radiation/Ionization.


  • Bureau Veritas K Ltd
  • KEBS



Our approach to any assignment is to provide prompt and personalized services at very competitive rates, and whose payment terms are flexible and negotiable.

We also alert our clients one month in advance before their equipments are due for re-calibration. We ask you to join us so that we can also put you in our yearly calibration calendar.

Since its inception, the company has been involved in a range of projects nationwide. The company has also been a service provider in other East African countries including Burundi, Tanzania, Uganda, Congo , Rwanda, Sudan and Somalia.



Our offices are located at QAS Plaza along Mombasa Rd approximately 500m from Namanga interchange as you come from Nairobi on the left side. 

©2021 Quality Assurance Systems Limited. All Rights Reserved.

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