Solar • Security • Electrical Engineering
Powering Homes,
Securing Businesses,
Delivering Excellence
Innovative, dependable engineering, solar power, inverters, CCTV surveillance, street lighting and electrical systems, for homes, businesses, institutions and industry across Nigeria.
Installation
Products
Engineers
After-Sales Support
Selected Work
Projects built to last
A portfolio delivered with attention to safety, quality and long-term performance, across homes, estates, institutions and public infrastructure.

20kVA Solar Power System — Successfully Completed ⚡☀️ Installation successfully completed with a 20kVA inverter, 24 × 620W bifacial solar panels, 3 × 15kWh lithium batteries (45kWh total), and 2 × 120

20kVA Inverter Installation Begins! ⚡☀️ 45kWh lithium battery, 24×620W bifacial panels, and 2×120A MPPT controllers. Reliable power, quality workmanship, and customer satisfaction are our priority.

Successful installation of a 5kVA hybrid inverter system with a 15kWh lithium battery, 120A MPPT solar charge controller, and 8 × 620W bifacial solar panels. A reliable, efficient, and powerfu
What We Do
Engineering, energy & security, end to end
From design and supply to installation, commissioning and maintenance, we deliver reliable solutions that cut energy costs, strengthen security and keep the power on.
Solar Power Systems
Residential, commercial and industrial solar, on-grid, off-grid and hybrid, plus upgrades.
Learn moreInverter Systems
Hybrid and transformer-based inverters: supply, installation, upgrades and repairs.
Learn moreLithium Battery Storage
Long-life lithium systems for fast charging and dependable backup power.
Learn moreTubular Battery Systems
Durable, cost-effective backup with correct charging configuration and support.
Learn moreSolar Water Heating
Evacuated-tube solar water heaters delivering reliable hot water from free solar energy.
Learn moreCCTV Surveillance
HD and IP camera systems with remote smartphone viewing for any premises.
Learn moreIntercom Systems
Audio, video and wireless intercom for secure visitor access and communication.
Learn moreSolar Street Lighting
Design, installation and maintenance of solar street lights for roads and estates.
Learn moreElectrical Engineering
Wiring, distribution boards, fault diagnosis and power distribution solutions.
Learn moreWhy S&I Consultants
We don't just install equipment, we build systems you can rely on.
Technical expertise and quality products, combined for installations that are safe, efficient and built to last, whether it's a home, a business, an estate or a government project.
Request a site inspection- Experienced, skilled engineers
A qualified technical team delivering to professional installation standards.
- Quality products, trusted brands
Premium equipment from reputable manufacturers, sized correctly for the job.
- Reliable after-sales support
Preventive maintenance, repairs and technical support long after handover.
- Competitive, transparent pricing
Clear recommendations and honest quotes, from consultation to completion.
- Timely project delivery
Prompt execution with a strong commitment to safety and quality.
- Customised engineering solutions
Every system tailored to your requirements, property and budget.
Industries We Serve
Trusted across every sector
Client Voices
Trusted by homes and businesses
Our estate has had uninterrupted power and full CCTV coverage since S&I completed the work. Professional from survey to handover.
The hybrid inverter and lithium setup cut our diesel spend dramatically. Clear advice, tidy installation, and they still check in on us.
They lit our access road with solar street lights on schedule and on budget. Reliable team we'll use again.
Ready When You Are
Ready to start your project?
Tell us what you need. Our team will discuss your project, recommend the right solution and prepare a quote that fits your requirements and budget.
Or call 0805 629 6263 · 0803 309 4794 · siconsultants24@gmail.com