National Retail Fit-Out & Commercial Electrical Specialists
Trusted by national food retail and hospitality chains across the UK. Sheffield-based, UK-wide capability — tight deadlines delivered, every time.
National Retail & Hospitality Fit-Out
We specialise in full electrical fit-outs for national retail and food service brands — working to strict handover deadlines at sites across the UK. Our clients expect first-fix to completion with zero missed milestones, and that's exactly what we deliver.
Nationwide Deployment
Sheffield-based but truly UK-wide. We travel to sites across England, completing fit-outs to the same standard wherever the project is located.
Deadline-Driven Delivery
Retail fit-outs run on tight opening schedules. We understand the cost of a delayed handover and structure our work to hit every milestone.
Out-of-Hours Working
We routinely work nights, weekends, and early mornings to avoid disruption to trading operations at adjacent units or live sites.
Multi-Site Rollouts
Experienced in sequential and simultaneous multi-site programmes. One point of contact, consistent quality across every location.
Full Documentation
All work fully certified and documented — NICEIC sign-off, test certificates, and as-installed records supplied on completion.
Site Safe & Compliant
NICEIC approved, £10M public liability, 18th Edition qualified. We carry all documentation required for contractor approval processes.
Commercial Electrical Services
Comprehensive electrical solutions for businesses of all sizes
Full Electrical Installation Management & Fit-Out
End-to-end electrical project management for commercial fit-outs — from first fix through to handover, keeping your programme on track and your site compliant.
- Full fit-out coordination
- First fix to completion
- Multi-trade site liaison
- Deadline-driven delivery
Commercial Lighting Solutions
Energy-efficient LED lighting, office lighting design, industrial warehouse lighting, and external security lighting.
- LED lighting retrofits
- Office lighting design
- Warehouse high-bay lighting
- Car park & external lighting
Fire Alarm Systems
Design, installation, and maintenance of fire alarm systems to BS 5839 standards for commercial premises.
- Fire alarm design
- Installation & commissioning
- Annual servicing
- System upgrades
Emergency Lighting
Emergency lighting installation and testing to ensure compliance with safety regulations.
- Emergency light installation
- Monthly testing services
- Annual certification
- Battery replacements
Data Cabling & Networking
Structured cabling solutions including Cat5e, Cat6, and Cat6a installations for offices and commercial buildings.
- Cat6 data cabling
- Server room installations
- Patch panel configuration
- Network infrastructure
Three-Phase Power
Three-phase electrical installations for industrial machinery, commercial kitchens, and high-power equipment.
- Three-phase installations
- Industrial machinery power
- Distribution boards
- Load calculations
Commercial Maintenance
Planned preventative maintenance contracts to keep your electrical systems running safely and efficiently.
- Maintenance contracts
- Reactive repairs
- Scheduled inspections
- Dedicated support
Electrical Design & Planning
Professional electrical design services for new builds, refurbishments, and large-scale commercial projects.
- Electrical design drawings
- Load calculations
- Compliance certification
- Project management
Sectors We Work In
From national food retail rollouts to offices and industrial sites — we bring the same standard to every sector
Food Retail & QSR
National chain fit-outs & refurbs
Restaurants & Hospitality
Full fit-out & kitchen power
Retail & Shopping
Shop fits, lighting & data
Offices & Corporate
Fit-out, lighting & infrastructure
Warehouses & Industrial
Three-phase & high-bay lighting
Construction & New Build
First fix, second fix & sign-off
Healthcare
Clinics & care facilities
Education
Schools, colleges & universities
Commercial Benefits
Why businesses choose D O'Brien Electrical for commercial projects
Minimal Disruption
We work around your business hours, including evenings and weekends, to minimize disruption to your operations.
Flexible Scheduling
Adaptable project timelines to suit your business needs. We work to your schedule and deadlines.
Nationwide Coverage
While based in Sheffield, we undertake commercial projects across the UK with the same level of service.
Maintenance Contracts
Ongoing support with planned maintenance contracts ensuring your systems stay compliant and operational.
Discuss Your Commercial Project
Get in touch to discuss your electrical requirements