Office & Commercial Electrical Installation · Dorset
Office & commercial electrical installation done right, first time
Full electrical fit-outs, upgrades, testing and maintenance for offices, shops and commercial premises across Poole, Bournemouth and Dorset — installed to BS 7671 with minimal disruption to your business.
5.0
Google Reviews
NAPIT
Approved to BS 7671
Hikvision
Certified installers
Family-run
& fully insured
Commercial electricians
Electrical contractors your business can rely on
From a single office refit to a full commercial installation, our NAPIT-approved electricians deliver safe, certified, on-schedule work — with clear pricing and minimal downtime for your team.
- Offices, shops, warehouses, schools & commercial premises
- New installations or ongoing maintenance
- Design, installation, testing & certification
Fully certified. Every installation tested and certified to BS 7671, with EICRs and compliance documentation.
What we install
Complete commercial electrical services
Design, installation, upgrades, testing and maintenance — from one accredited local team.
Office fit-outs & refurbishments
Complete electrical installation for new offices and refurbishments — power, lighting, data and more.
Lighting & LED upgrades
Energy-efficient commercial lighting, emergency lighting and controls that cut running costs.
Power & distribution
New circuits, distribution boards, three-phase supplies and dedicated equipment power.
Data, network & comms
Structured cabling, network points and containment for a tidy, reliable office.
EICRs & fixed-wire testing
Testing, EICRs and remedial work to keep your premises safe and compliant.
Maintenance & call-outs
Planned maintenance and reactive call-outs to keep your business running.
Planned or reactive
The right electrical support for your premises
Whether you need a one-off installation or ongoing maintenance, we’ll recommend the right approach for your business and budget.
New installations & fit-outs
Complete electrical installation for new premises, extensions and refurbishments — designed, installed and certified to BS 7671, on programme.
- Scope — full electrical fit-outs
- Power — new circuits & distribution
- Compliance — certified to BS 7671
- Best for — new premises & refurbs
Maintenance & compliance
Fixed-wire testing, EICRs, emergency-lighting checks and reactive repairs to keep your premises safe, legal and running.
- Testing — fixed-wire & EICRs
- Safety — emergency lighting checks
- Response — reactive repairs & call-outs
- Best for — keeping premises compliant
20+
5.0★
BS 7671
NAPIT
Why choose DES
Five reasons businesses choose us
Minimal disruption
We work around your business — out of hours and phased where needed.
Fully compliant
Certified, documented work that keeps you on the right side of regulations and insurers.
One accountable team
One local contractor for design, installation, testing and maintenance.
Fixed, clear pricing
Itemised quotes with no surprises, so you can budget with confidence.
Fast response
Local engineers who turn up when they say they will.
Planning an office project?
Tell us about your premises and we’ll design the installation and give you a fixed price.
How it works
A straightforward process from survey to sign-off
A clear, professional process that keeps your project on time and on budget.
1
Site survey
We assess your premises, requirements and access, and agree the scope of works.
2
Design & fixed quote
We propose the installation with a clear specification and an itemised price.
3
Installation
Our electricians install everything cleanly and safely, around your business hours.
4
Test, certify & hand over
We test to BS 7671, issue certification and hand over a compliant installation.
Areas we cover
Commercial electricians across Poole, Bournemouth & Dorset
We work with offices, shops and commercial premises right across the region, including:
Your questions, answered
Commercial electrical FAQs
Yes — we regularly work evenings and weekends to avoid disrupting your business.
Absolutely. We carry out fixed-wire testing and EICRs and provide full certification.
Yes — from power and lighting to data and distribution, we install complete commercial fit-outs.
We’re NAPIT-approved and every installation is certified to BS 7671.
Yes — we offer planned maintenance and reactive call-outs to keep your premises safe and running.
Poole, Bournemouth, Christchurch, Wimborne, Ferndown and right across Dorset.
Free, no-obligation quote
Let’s talk about your project
Tell us about your premises or project and we’ll get straight back to you with advice and a fixed price.
or call 01202 985027
What commercial electrical work costs in Dorset
Every job is different — a fixed-wire test is a small job, while a full office fit-out is larger. After a free site survey we give a clear, fixed quote, so you can budget with confidence and no surprises.
Speak to us about your commercial project
Free quotes · Local team · Fully certified
- Get answers to common questions about commercial electrical work.
- Get answers to common questions about commercial electrical work.
- Get answers to common questions about commercial electrical work.
✓ NAPIT-approved electricians · 5.0★ on Google · Trusted by local Dorset businesses