About us


Over 25 years experience
in industry

Grondzaak Integrated Services Limited (GISL) has established itself as a leader in providing professional engineering and survey services for major development projects. A company firmly built on the principle of team work gathering the experienced and relevant hands in practice. Grondzaak Integrated Services Limited has grown into a multi-disciplinary establishment with mainly engineers,surveyors and technicians who offer expertise in numerous technical disciplines that include; Geotechnical engineering and surveys, Water resource development / management, Environmental services, Geological hazards and Investigative engineering. GISL maintains exceptional levels of service to our clients within industry standards. Our goal is to listen to our clients, understand their objectives, communicate frequently and accomplish the project tasks, professionally on time and within budget. Have more fun with free bonus no deposit casino. Due to the sound organizational framework of our specialist staff whose skills have proven outstanding in their various fields, Grondzaak Integrated Services Limited now enjoys the enviable reputation of proffering solutions with cutting edge applications for each activity. For each project, GISL assembles a specialized team of experienced professionals to address Project-specific engineering  and environmental  challenges. Each team is supported by a wide range of technical  resources dedicated to providing comprehensive solutions to each client. Each GISL project incorporates efficient project management, cost effective designs, exceptional client communication and innovative solutions.

We are ready to work with you and our partners

We provide expertise through the full range of project phases, from initial concept through post-construction monitoring. We emphasize the identification and evaluation of geologic hazards, and the development of creative, practical geotechnical engineering solutions and mitigations that are appropriate to the site and project.

We bring abundant experience in addressing such geotechnical challenges as foundation bearing soils for oil and gas structure, pipelines, facilities, housing and road/infrastructural projects


Contributing adequate safety and quality planning within budget. Creating a good reputation for each project and its participants. To remain mutual partners in achieving desired goals.


To create a branded, innovative and competitive technical services company that provides Geo-engineering and survey information for cost effective engineering projects.


Quality is a key issue in all out projects; we operate a quality management system which is certified within the requirement of ISO 9001. This assures our clients of professional management on all our projects.


GISL is also well equipped with the most-up-to-date training, expertise and equipment to tackle various aspects of engineering and environmental problems relevant in the tropical sub-region.

Company Profile

Grondzaak Integrated Services Limited is an indigenous Nigerian Company incorporated under the companies Act 1966, RC1054581. It is 100% owned by Nigerians and has been in active business as an engineering- consultancy, construction and procurement company. It specializes mainly in the following fields; Geotechnical engineering /survey, Water resource development/management, Environmental engineering.

GISL is also well equipped with up-to-date training, expertise and equipment to tackle various aspects of engineering and environmental problems relevant in the tropical sub-region. GISL’s staff has successfully handled  various problems requiring engineering solutions in various capacities, both locally and internationally. Our local expertise which is adapted from international standards enhances delivery of each project.

Grondzaak Integrated Services Limited is proud to say that with our composite units of engineers, hydro-geologists, surveyors, environmental scientists/technicians, we provide the very best in consultancy and construction services in the broad areas of civil /geotechnical, hydro-geological and environmental engineering and survey