About Us

GREAT OAK is a fully registered engineering firm in Lagos, Nigeria, we have over fifteen years’ experience in providing engineering solutions to institutional, healthcare, governmental, commercial, industrial or private facilities.

Great Oak

Here At Great Oak Quality Engineering Solution Limited (GOQES LTD), you will find a client focused firm that emphasizes on teamwork to get each project done successfully, we have the commitment to excellence, the desire to grow and the passion for involvement.

We believe our client’s satisfaction determines our present and future success. That is why we dedicate ourselves to preventing and solving project problems with the expertise and experience expected of a professional consulting firm. GOQES LTD will constantly strive to give our clients the highest quality and most cost effective projects; we have demonstrated success with the most technically challenging system design

Our Vision

To become the preferred international engineering service company providing value-driven customized service of international standard

Our Mission Statement

To be the recognized market leader in providing compressive engineering consulting service by challenging ourselves to meet the highest standard of quality, service, innovation, and integrity.

Our Guiding Principles

Commitment to provide service that enhance and optimize our clients performance
Commitment to retain our reputation for integrity
Unwavering dedication to conduct our operation with zero risk to personnel and the environment
Seek continuous improvement and add Value to the society



Manpower development


Fabrication of pressure vessels and tanks


Fire protection.


Design and construction of engineering equipment


Measurement and calibration of engineering equipment


Re-design and re-engineering of material handling equipment




Construction service


Electrical installation


Maintenance and installation of equipment like boiler, compressor, heat exchangers, electric motors, pumps etc.


Sales, installation, maintenance and servicing of HVAC system.