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Electrical engineering substation Ghana
Ghana's Premier Engineering Contractor

EngineeringExcellence.

Demalm Engineering Co. Ltd delivers world-class electrical, instrumentation, telecoms, solar, and HVAC solutions across Ghana's mining, oil & gas, and industrial sectors.

2019
Founded
34+
Team Members
12+
Projects Delivered
6+
Major Clients
Scroll
Electrical Engineering
Solar Power Systems
Instrumentation & Control
Telecoms & Security
HVAC Systems
Supply of Goods
ECG Licensed Contractor
ISO 9001 Aligned
Electrical Engineering
Solar Power Systems
Instrumentation & Control
Telecoms & Security
HVAC Systems
Supply of Goods
ECG Licensed Contractor
ISO 9001 Aligned

What We Do

Six Core Service Areas

End-to-end engineering solutions — from design and supply through to installation, commissioning, and long-term maintenance.

HV electrical substation switchgear
01
Electrical Engineering
Licensed by ECG and the Energy Commission of Ghana for the full spectrum of electrical power systems.
LV, MV & HV cable installation — overhead & underground
Power transformers, switchgear & substation design
Domestic, commercial & industrial wiring
Generator sets 20kVA–2,500kVA
Lightning protection to BS EN 62305
Solar panel array installation Ghana
02
Solar Power Systems
Grid-tied, off-grid, and hybrid PV systems with battery storage and real-time remote monitoring.
Site feasibility & solar resource assessment
PV panel, inverter & MPPT installation
Battery energy storage systems (BESS)
Solar power for ESDV & remote telemetry
Real-time monitoring dashboards
Instrumentation control panel PLC
03
Instrumentation & Control
End-to-end process automation and control for mining, oil & gas, and manufacturing.
SCADA / DCS / PLC configuration
HMI design — WinCC, FactoryTalk, Ignition
P&ID development to ISA S5.1
Instrument calibration (GNBS traceable)
Safety instrumented systems — IEC 61511
CCTV security surveillance system
04
Telecoms & Security
Communications, surveillance, fire safety, and structured data network solutions.
CCTV, access control & electric fencing
Fire detection & suppression systems
VHF / UHF radio & VSAT satellite
Fibre optic & Cat6A structured cabling
Wi-Fi 6, PABX & VoIP infrastructure
HVAC air conditioning industrial installation
05
HVAC Systems
Air-conditioning and ventilation solutions for offices, control rooms, data centres, and plants.
Central chiller & AHU system installation
VRF / VRV multi-split systems
Precision cooling for data centres
BMS integration & remote monitoring
PPM contracts & 24hr emergency call-out
Electrical materials cables switchgear warehouse
06
Supply of Goods
Authorised procurement and supply of electrical, instrumentation, and HVAC equipment from OEMs.
LV / MV / HV cables & accessories
Switchgear, MCBs, MCCBs, ACBs & SPDs
Transformers, generator sets & UPS systems
Process instruments — Emerson, Yokogawa, E+H
CCTV, fire panels, access control & LED lighting

Track Record

Featured Projects

A snapshot of successfully completed engagements across Ghana's industrial and utility sectors.

Solar power ESDV installation Ghana Gas
Services
Solar Power — ESDV Sites
Ghana Gas Company
33kV power line maintenance ECG
Services
33kV Network Maintenance
Electricity Company of Ghana
Process instrument calibration TICO
Services
Instrument Calibration Programme
Takoradi International Co.
Electrical goods supply warehouse
Goods Supply
Electrical Materials & Equipment
Ghana Manganese Company
background

Trusted By Industry Leaders

Clients We've Served

From national gas infrastructure to mining, cement production, and industrial testing.

Ghana National Gas Company
Ghana Gas Company
Services
Solar power supply & installation for Emergency Shutdown Valve (ESDV) sites along the gas pipeline corridor
Ghacem Heidelberg Cement
Ghacem Cement Plant
Services
DAMATA remote monitoring sensor installation — vibration & displacement sensors on Mill 4 gearbox with SCADA integration
TAQA Takoradi International Company
Takoradi Int'l Co. (TICO)
Services
Underground HV cable laying from generating terminal to primary switchyard; full process instrument calibration programme
Ghana Rubber Estates Limited GREL
Ghana Rubber Estates Ltd
Services
Lightning protection system, underground cabling rewiring of decantation plant & three-way power outlet installation
Ghana Manganese Company GMC
Ghana Manganese Company
Goods Supply
Prestea Sankofa Gold Limited
Prestea Sankofa Gold
Goods Supply

Also serving: Diamond Cement Ghana  ·  Electricity Company of Ghana (ECG)  ·  Intertek Ghana  ·  Minerals Commission

Why Choose DEC

Built on Integrity,
Driven by Excellence

Every project reflects our uncompromising commitment to quality, safety, and on-time delivery.

2019
Founded
34+
Team Members
12+
Projects Completed
6+
Licensed Credentials
01
Fully Licensed
ECG Electrical Contractors' Licence, Energy Commission CEWP, MWRWH classification, and PPA registration for government tenders.
02
ISO-Aligned Quality
Quality management system aligned with ISO 9001:2008. Documented ITPs, method statements, and NCR reporting on every project.
03
Safety First
Rigorous HSE practices on every site. All personnel hold valid safety competency certificates. Site-specific RAMS for every project.
04
100% Ghanaian
Proudly Ghanaian-owned and operated. Committed to community development, local employment, and building local engineering capacity.
DEC engineers working on site Ghana

Who We Are

About Demalm Engineering

Incorporated on 20 February 2019 in Tarkwa, Western Region, Demalm Engineering Co. Ltd is a fully Ghanaian-owned engineering firm. We serve Ghana's mining, oil & gas, industrial, and public utility sectors with a team of 34 seasoned engineers, technicians, and project managers.

Mission

To provide quality engineering solutions and contribute to the complete success of our clients — on time, within budget, and to the highest technical standards.

Vision

To become the leading contractor of quality engineering solutions in Ghana — benefiting our clients, communities, staff and shareholders, with due regard for the environment.

What We Stand For

Core Values

Integrity
Highest ethical standards in all dealings with clients, partners, and communities.
Excellence
Pursuit of quality in every project, from design through commissioning and maintenance.
Innovation
Embracing modern engineering practices, emerging technologies, and continuous improvement.
Teamwork
Collaborative workforce driving project success through coordinated, result-oriented effort.
Safety
Rigorous HSE practices on every site — protecting our people and the public at all times.
Accountability
Full ownership of all commitments, deliverables, and client outcomes without exception.

Our People

34 Professionals. One Team.

Engineers, technicians, project managers, and skilled tradespeople working together on every commitment.

13
Engineers & Technicians
5
Semi-Skilled Labourers
5
Field Labour
3
Administration
3
Artisans
5
Management & QC

Credentials

Licensed & Accredited

All regulatory licences required to execute electrical, instrumentation, and procurement works in Ghana.

ECG Electrical Contractors' Licence
No. 27362E — licensed for external electrical installation under LI 1816. Category 4, Class B (ECG Classification).
Energy Commission CEWP
Certified Electrical Wiring Professional — EC/CEWP 2/06/19/0233 for commercial electrical wiring installations.
MWRWH Classification
Ministry of Water Resources, Works & Housing — Category E (Electrical), Class 3, up to $75,000.
PPA Registered
Public Procurement Authority — PPA No. 0035414. Eligible to engage in government tenders nationally.
GRA / VAT Registered
Ghana Revenue Authority VAT Certificate. TIN: C0022607803. Registered under the Value Added Tax Act 2013.
ISO 9001:2008 Aligned
Quality management system aligned to ISO 9001:2008 with external audits to ensure continual improvement.
High voltage power lines electrical infrastructure
Our Services

Full-Spectrum Engineering Solutions

From design and supply through to installation, testing, commissioning, and long-term maintenance.

Electrical substation high voltage
01
Electrical Engineering
Licensed by ECG and Energy Commission of Ghana for the full range of electrical power systems.
LV, MV & HV cable installation — overhead and underground
Power transformers, switchgear & substation design
Domestic, commercial & industrial wiring to BS 7671
Generator sets 20kVA–2,500kVA — supply, install & maintain
Automatic Transfer Switch (ATS / AMF) systems
Earthing, bonding & lightning protection (BS EN 62305)
Thermographic surveys & electrical inspection reports
Solar panels at pipeline site Ghana
02
Solar Power Systems
Renewable energy solutions for industrial, commercial, and remote off-grid applications.
Solar resource assessment & feasibility studies
Grid-tied, off-grid & hybrid PV system design
Battery energy storage (BESS) — lithium-ion & VRLA
Inverter & MPPT charge controller installation
Real-time remote monitoring & yield dashboards
Solar systems for ESDV & remote telemetry units
Instrumentation PLC control panel
03
Instrumentation & Control
End-to-end automation and control for oil & gas, mining, and manufacturing facilities.
P&ID development & review to ISA S5.1
SCADA, DCS & PLC — Siemens, Allen-Bradley, ABB
HMI design — WinCC, FactoryTalk, Ignition
Safety instrumented systems (SIS) to IEC 61511
Instrument calibration — pressure, temp, flow & level
Field instrument installation & PM maintenance
CCTV security cameras surveillance
04
Telecoms & Security
Communications, surveillance, fire safety, and structured data network infrastructure.
IP & analogue CCTV surveillance systems
Access control, biometric & electric fencing
Fire detection & suppression — Apollo, Notifier
VHF / UHF / HF radio & VSAT satellite comms
Fibre optic & Cat6A structured cabling
Wi-Fi 6, PABX & VoIP network infrastructure
HVAC air conditioning system installation
05
HVAC Systems
Complete air-conditioning and ventilation for offices, control rooms, data centres, and plants.
Central chiller & AHU system installation
VRF / VRV multi-split systems
Precision cooling for data centres & control rooms
Ductwork fabrication & air balancing
BMS integration for HVAC monitoring & control
PPM contracts & 24-hour emergency call-out
Electrical cables switchgear supply warehouse
06
Supply of Goods
Authorised procurement and supply of electrical, instrumentation, and HVAC equipment from OEMs.
LV / MV / HV power cables & accessories
Switchgear — MCBs, MCCBs, ACBs, contactors
Transformers, generator sets & UPS systems
Process instruments — Emerson, Yokogawa, E+H
Solar panels, inverters & battery storage
CCTV, fire panels, access control & LED lighting
Industrial engineering project site Ghana
Project References

Delivered Across Ghana

A track record of successfully completed engineering and supply engagements for Ghana's most demanding clients.

High voltage feeder installation Diamond Cement
Services
High Tension Feeder Installation
Diamond Cement Ghana
Design and installation of HT feeder cables, HV switchgear, and protection systems. Full testing, commissioning, and handover documentation.
Takoradi, Western Region
33kV power line maintenance ECG Ghana
Services
33kV Beposo–Anlo Beach Network Maintenance
Electricity Company of Ghana (ECG)
Inter-poling, replacement of shackle insulators, surge arrestors, damaged poles, cross-arms, and vegetation management. Completed in 3 weeks.
Western Region
Underground HV cable laying trench TICO
Services
Underground Cable Laying — Generating Terminal to Switchyard
Takoradi International Company (TICO)
Trench excavation, sand bedding, HV cable laying, protective tiling, warning tape, and reinstatement. HVW and IR testing. Full as-built drawings provided.
Takoradi
Process instrument calibration TICO Takoradi
Services
Process Instrument Calibration Programme
Takoradi International Company (TICO)
Calibration of pressure, temperature, and flow instruments. Loop checks, GNBS-traceable certificates, and corrective actions on all out-of-tolerance findings.
Takoradi
Solar ESDV pipeline Ghana Gas Company
Services
Solar Power Supply to ESDV Sites
Ghana Gas Company
Off-grid solar PV and battery storage systems designed for 72-hour autonomy at all ESDV sites along the pipeline corridor. Solar-powered LED area lighting included.
Pipeline Corridor Sites
DAMATA remote monitoring sensors Mill 4 Ghacem
Services
DAMATA Remote Monitoring Sensors — Mill 4
Ghacem Cement Plant
Cable tray and conduit from MCC to Mill 4 gearbox. Vibration and displacement sensor installation, Profibus and Ethernet termination, SCADA integration. Delivered in 5 days.
Takoradi
Lightning protection system Ghana Rubber Estates
Services
Lightning Protection System Installation
Ghana Rubber Estates Limited
Copper down conductors, air terminals, and deep earth electrode system. Earth resistance below 5Ω at all test points. LPS verification report to BS EN 62305 delivered.
Factory Site
Underground cabling rewiring Ghana Rubber Estates
Services
Underground Cabling Rewiring — Decantation Plant
Ghana Rubber Estates Limited
Supply of 300m 16mm² armoured copper cables and PVC ducting. 100m trench excavation, cable laying, sand surround, and full reinstatement. IR and continuity testing certified.
Factory Site
Power alarm notification system Intertek Ghana
Services
Power Alarm Notification System
Intertek Ghana
Power monitoring relay and transducer installation at MDB and sub-boards. Alarm annunciator panel wiring and configuration. Threshold testing for under-voltage, over-voltage, phase-loss, and earth-fault. Full O&M manuals.
Testing Laboratory, Ghana
Axim Eikwei 33kV feeder maintenance ECG
Services
Axim–Eikwei 33kV Feeder Maintenance
Electricity Company of Ghana (ECG)
Full overhead line inspection, pole and insulator replacement, conductor work, and post-maintenance load test. Handed back to ECG operations within 3 weeks.
Western Region
Electrical materials supply Ghana Manganese Company
Goods Supply
Supply of Electrical Materials & Equipment
Ghana Manganese Company (GMC)
Nsuta, Western Region
Electrical instrumentation goods Prestea Sankofa Gold
Goods Supply
Supply of Electrical & Instrumentation Goods
Prestea Sankofa Gold Limited
Prestea, Western Region
Engineering team discussing project
Contact Us

Let's Work Together

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Get in Touch

Our team is ready to respond to enquiries, prepare technical proposals, and arrange site visits at short notice.

Address
Tamso Estate Junction, Opposite Winners Chapel International
Tarkwa, Western Region, Ghana
P.O. Box AX 128, Takoradi
Telephone
+233 (0) 205 663 307
+233 (0) 247 363 113
Email
deben@declimitedgh.com
j.avemegah@declimitedgh.com
s.agbalenyo@declimitedgh.com
Website
www.declimitedgh.com
ECG LicensedCEWP Certified PPA RegisteredGRA / VAT ISO 9001 AlignedReg. CS050612019

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