MEP & Systems
Electrical Installations
From transformer substations to final-circuit distribution, Crestmark designs and installs electrical systems compliant with NEC, IEC, and Nigerian standards.
Scope of work
What we cover
- MV/LV substations and transformers
- Main and sub distribution boards
- Cable containment and wiring
- Lighting and small-power
- Generator and ATS integration
- Earthing and lightning protection
Methodology
How we deliver
01
Design
Load schedules, short-circuit and discrimination studies, single-line diagrams.
02
Install
Certified cable pulling, termination, and insulation testing.
03
Test
IR, continuity, RCD, phase-rotation, and thermographic surveys.
FAQ
Common questions
Do you handle utility interfacing?+
Yes — we coordinate DisCo applications, metering, and energisation approvals end-to-end.
Trusted by operators, banks, and government
Saipem
Federal Ministry of Works
Nigeria Police Force
NLNG
Chevron
Dangote Group
Julius Berger
Access Bank
PZ Cussons
Meridian Holdings
Everyday Group
Cross River State
Client voices
What our clients actually say.
Every quote below is tied to a real, delivered outcome. Attribution is provided; project details available on request.
"Crestmark's fire-protection team turned around our hydrant ring main and pump-house tie-in without a single unplanned outage on the operating plant. Their weld packs and NDT documentation went into our handover dossier untouched."
Engr. F. Umoh
Project Engineering Lead · Saipem Contracting Nigeria
Zero remedial actions at handover
"They rebuilt the Ota–Sango corridor while keeping it open to daily traffic. Drainage capacity, walkways, and lighting have transformed how the community uses the road."
Hon. B. Adebanjo
Special Adviser, Infrastructure · Ogun State Government
6.4 km delivered on programme
"Grade A tenants don't tolerate snags. Crestmark handed our floor plates over ready for fit-out and hit the trading date we needed to protect our pre-lets."
T. Ogundipe, FRICS
Development Director · Meridian Corporate Holdings
92% pre-let within six months of PC
Ready to start?
Let's engineer what's next.
Talk to our commercial team about your project — from feasibility through delivery, we tailor scope to fit your programme, budget, and risk profile.