Skip to main content

About us

JEFCON & Associates LTD is an Engineering Consulting Firm with high precision GNSS data acquisition solutions with capacities for delivering various Civil Engineering Design Services, including Flood Vulnerability Studies, Modelling, Mapping, Storm Sewer and Flood Control Infrastructures, Buildings, Bridges and Road.

With the experiences of highly trained Professional Engineers and Consultants pulled together, Jefcon provides high precision Mechanical, Electrical, Water Resources and Environmental Engineering services to Public, Private, Local and International economies. The company also provides Industrial Support Services to Oilfield production and facilities as well as Consultancy services in Project & Facilities Management.

Our Commitments

We are committed to rendering quality services to our clients’ satisfaction with a Total Quality Management (TMQ) approach. We believe in the concept of total quality in ensuring clients’ satisfaction





Vision statement

Our Vision is to provide sustainable engineering solutions to problematic environmental issues in order to improve people's quality of life.

More »

Our values

Our values solidify who we are and what we believe. An open relationship with our employees based on mutual trust, respect and success, Best in class Risk Awareness.

More »

Mission statement

Our Mission is to provide world-class engineering solutions through sustainable design and construction techniques of functional and safe infrastructures.

More »

Capacity building

We carry out services through intensive and extensive training of capable hands. This serves as the backbone of our company. Furthermore, we apply advanced technological techniques, training and provision of HSE services to achieve results. Our referrals increasingly grow because of the confidence and trust we have gained in the industry.

More »

Business strategy

With a formidable team of qualified personnel, we work towards ensuring that our goals come to reality. The team is drafted from various fields of social sciences and engineering practice, with long years of experience in their respective fields of operations.

More »

Business concepts

Our concept defines the array of services we offer clients, which mostly borders on engineering design of buildings, roads and any other structural amenities of assorted shapes and sizes. This operation covers Architectural, Structural, Mechanical, Electrical and Telecommunication sectors.

More »

Services

At Jefcon & Associates Ltd, we offer a wide range of construction services to meet your building needs and stormwater management. From concept to completion, we provide exceptional quality, safety, and customer service.

We are giving you perfect solutions with our proficient services.

Our comprehensive suite of services is designed to meet your every need and help you thrive in today's dynamic business landscape. Contact us today to embark on a journey of growth, innovation, and unparalleled support. Your success is our priority.

What Sets Us Apart

✅ Personalized Approach: We tailor our services to meet your unique needs and goals.

✅ Quality Craftsmanship: Our experienced team ensures exceptional quality and attention to detail.

✅ Safety First: We prioritize safety on every project, ensuring a secure working environment.

Get in Touch

✅ Ready to start your construction project? Contact us today to schedule a consultation and let us build your vision into reality!

Contact us ...

Advisory Services in Engineering

Advisory Services in Engineering

We ultilise our reservoire of experience for consulting services from which we develop findings, conclusions and recommendations that are presented…


Engineering Design and Construction

Engineering Design and Construction

We offer quality services in Architectural designs,Landscaping and Modeling and Reviewing contractors’ work measurement and Evaluations We find creative ways…


Engineering Surveys

Engineering Surveys

We carry out those activities that are involved in the planning and execution of surveys for the development, design, construction,…


Environmental Impact Studies and Management

Environmental Impact Studies and Management

We are experts in environmental impact studies and management, carried out in two major folds: We perform Environmental impact assessment (EIA) as…


Feasibility and Economic Studies

Feasibility and Economic Studies

At Jefcon & Associates Ltd, we understand the importance of thorough feasibility and economic studies in determining the viability of…


Project Costing, Valuation and Tender analysis

Project Costing, Valuation and Tender analysis

With a seasoned team of Quantity Surveyors who can provide a full system of budget estimate and cost planning, expenditure is controlled…


Project Supervision and Management

Project Supervision and Management

Our function in your project management is to ensure that the project objectives are achieved within the planned budget and…


ENGR. JOHNCEE ONWUALU (FNSE, FNICE, FNIWE, P.E., R.ENG)
ENGR. JOHNCEE ONWUALU (FNSE, FNICE, FNIWE, P.E., R.ENG)
More...
ENGR. CHUKA JOHN ONWUALU
ENGR. CHUKA JOHN ONWUALU
More...
ENGR. JOEL ANAKO
ENGR. JOEL ANAKO
More...
ENGR. UGOCHUKWU FRANCIS ONWUALU
ENGR. UGOCHUKWU FRANCIS ONWUALU
More...
MR. ANTHONY I. UZOGO
MR. ANTHONY I. UZOGO
More...
ENGR. S. AUGUSTINE EGBUNE
ENGR. S. AUGUSTINE EGBUNE
More...

Recent blogs

Maintaining Quality Control in Stormwater Drainage Projects in Remote Nigerian Locations
Maintaining Quality Control in Stormwater Drainage Projects in Remote Nigerian Locations

Maintaining Quality Control in Stormwater Drainage Projects in Remote Nigerian Locations: Challenges and Solutions By John Cee Onwualu (FNSE, FNICE, FNIWE, P.E., R.ENG, MASCE) Introduction Stormwater drainage projects in remote Nigerian locations are critical for preventing flooding, erosion, and water contamination. However, ensuring quality control (QC) in these areas presents unique challenges due to logistical […]

By DEPROF

Environmental, Project Supervision and Management, Safety and Regulations, Training and Education

Robust Inspection Plan for Nigeria Stormwater Drainage
Robust Inspection Plan for Nigeria Stormwater Drainage

Building Resilient Foundations: Implementing a Robust Inspection and Testing Plan for Stormwater Drainage Construction in Nigeria By John Cee Onwualu (FNSE, FNICE, FNIWE, P.E., R.ENG, MASCE) Nigeria is urbanizing quickly and dealing with climate change, which means it often struggles with heavy rains and not enough good drainage. This causes big problems like floods, damaged […]

By DEPROF

Engineering Design and Simulation, Environmental, Project Supervision and Management, Safety and Regulations, Training and Education

The Role of GIS and BIM in Enhancing Stormwater Drainage Quality Control in Nigeria
The Role of GIS and BIM in Enhancing Stormwater Drainage Quality Control in Nigeria

The Digital Shield: How GIS and BIM are Enhancing Stormwater Drainage Quality Control in Nigeria By John Cee Onwualu (FNSE, FNICE, FNIWE, P.E., R.ENG, MASCE) Nigeria, characterised by rapid urbanisation and intense seasonal rainfall, faces immense challenges in managing urban flooding. Cities like Port Harcourt, Lagos, and areas within Anambra State are constantly battling infrastructure […]

By DEPROF

Innovation and Research

Integrating Green Infrastructure and QC in Nigerian Projects
Integrating Green Infrastructure and QC in Nigerian Projects

Paving the Way for a Water-Resilient Nigeria: Integrating Green Infrastructure and Quality Control in Stormwater Management By John Cee Onwualu (FNSE, FNICE, FNIWE, P.E., R.ENG, MASCE) Nigeria, a nation experiencing rapid urbanization, faces an ever-growing challenge: effective stormwater management. As cities like Ibadan, Osogbo, and Lagos expand, replacing natural landscapes with impervious surfaces, the risk […]

By DEPROF

Environmental, Innovation and Research, Safety and Regulations

Case Study: Successful Implementation of Stormwater Drainage Quality Control in Warri, Delta State, Nigeria
Case Study: Successful Implementation of Stormwater Drainage Quality Control in Warri, Delta State, Nigeria

Case Study: Successful Implementation of Stormwater Drainage Quality Control in Warri, Delta State, Nigeria By John Cee Onwualu (FNSE, FNICE, FNIWE, P.E., R.ENG, MASCE) The sound of rain can be very beautiful, being nature’s way of refreshing our environment. But in many Nigerian cities, it often brings worry because of constant flooding. This flooding messes […]

By DEPROF

Construction Technology, Engineering Design and Simulation, Project Supervision and Management

Future Trends and Innovations in Stormwater Drainage Quality Control for Nigeria
Future Trends and Innovations in Stormwater Drainage Quality Control for Nigeria

Future Trends and Innovations in Stormwater Drainage Quality Control for Nigeria By John Cee Onwualu (FNSE, FNICE, FNIWE, P.E., R.ENG, MASCE) Nigeria is quickly becoming more urban and populated. Because of this, the country has a growing problem with city floods and dirty water. Big cities like Lagos, Port Harcourt, and Abuja show that old-style […]

By DEPROF

Innovation and Research

Preventing Stormwater Pollution: Implementing Effective QC for Drainage Systems in Nigeria By John Cee Onwualu (FNSE, FNICE, FNIWE, P.E., R.ENG, MASCE)
Preventing Stormwater Pollution: Implementing Effective QC for Drainage Systems in Nigeria By John Cee Onwualu (FNSE, FNICE, FNIWE, P.E., R.ENG, MASCE)

Preventing Stormwater Pollution: Implementing Effective QC for Drainage Systems in Nigeria Stormwater, the water that runs off impervious surfaces during rainfall, is a critical element in urban environments. While seemingly benign, its journey through our cities can transform it into a potent source of pollution, significantly impacting Nigeria’s ecosystems and public health. Effective quality control (QC) for drainage […]

By DEPROF

Construction Technology, Consultancy and Advisory Services, Environmental

Why Nigeria Must Adopt a Lifecycle-Based Quality Control Model for Stormwater Infrastructure
Why Nigeria Must Adopt a Lifecycle-Based Quality Control Model for Stormwater Infrastructure

The Paradigm Shift: Why Nigeria Must Adopt a Lifecycle-Based Quality Control Model for Stormwater Infrastructure By John Cee Onwualu (FNSE, FNICE, FNIWE, P.E., R.ENG, MASCE) Nigeria, the economic powerhouse of Africa, is currently facing a crippling duality in its urban centers: rapid, uncontrolled urbanization juxtaposed with extreme climate vulnerability. The tragic consequence is chronic, destructive […]

By DEPROF

Construction Technology, Consultancy and Advisory Services, Engineering Design and Simulation, Environmental, Innovation and Research, Safety and Regulations

Understanding Geotechnical Considerations for Stormwater Drainage QC in Nigeria By John Cee Onwualu (FNSE, FNICE, FNIWE, P.E., R.ENG, MASCE)
Understanding Geotechnical Considerations for Stormwater Drainage QC in Nigeria By John Cee Onwualu (FNSE, FNICE, FNIWE, P.E., R.ENG, MASCE)

Understanding Geotechnical Considerations for Stormwater Drainage QC in Nigeria In civil engineering, the success of stormwater drainage systems depends heavily on geotechnical considerations. The interplay between soil properties and ground conditions directly impacts the quality, durability, and long-term functionality of these systems. In Nigeria, with its diverse soil profiles and environmental challenges, incorporating geotechnical insights […]

By DEPROF

Consultancy and Advisory Services, Feasibility and Economic Studies, Innovation and Research, Project Supervision and Management, Safety and Regulations

How Data Validation Errors Lead to Premature Failure of Urban Drainage Systems
How Data Validation Errors Lead to Premature Failure of Urban Drainage Systems

The Silent Killer of Infrastructure: How Data Validation Errors Lead to Premature Failure of Urban Drainage Systems By John Cee Onwualu (FNSE, FNICE, FNIWE, P.E., R.ENG, MASCE) In the complex calculus of urban infrastructure planning, the integrity of the data used for design and modelling is paramount. While civil engineers meticulously adhere to sophisticated hydraulic […]

By DEPROF

Consultancy and Advisory Services, Project Valuation and Cost Control

Projects

At Jefcon & Associates Ltd, we're proud to showcase our recent construction projects that demonstrate our expertise and commitment to delivering high-quality results. Below are some of our latest projects that highlight our capabilities in construction and stormwater management. These projects showcase our expertise in construction and stormwater management, and demonstrate our commitment to delivering high-quality results for our clients. Contact us to learn more about our services and how we can help with your next project. Contact us ...

Recent Projects

Project Name : Asaba storm water control project
Location :
Description : Story about Asaba storm water control project Gallery 1 Story about Asaba storm water control project Gallery 1 Story about…
Services :
Year : 20181224

Project Name : Drone project
Location :
Description :
Services :
Year :

Project Name : Gallery 1
Location :
Description :
Services :
Year :