Electrical contractorEst. 2017
Temporary site services specialist
Temporary power, lighting and site services – safe, compliant and live from day one.
- NICEIC Approved
- Safe Electric
- CHAS
- Constructionline
- Acclaim
Trusted by Tier 1 contractors and data centre operators
Main contractors and data centre operators come back project after project — because we plan early, stay on programme and keep sites running safely.
One contractor for every temporary site need
From enabling works to de-rig — one designer, one installer, one certifier, so there’s never an argument about whose scope it is.
Initial site set-up
Mechanical, electrical, CCTV and barrier set-up so the site is safe, secure and working from day one.
Learn moreTemporary power distribution
MV and LV construction power — main boards, sub-distribution and site infrastructure, with generator integration.
Learn moreTemporary site lighting
Internal, external and emergency lighting, designed to the task and repositioned as the build progresses.
Learn moreTesting, inspection & maintenance
Scheduled inspection, testing and PAT to BS 7671 and I.S. 10101 — certification ready whenever it’s audited.
Learn moreEHS site management
Fire alarms, safety and wayfinding signage, barriers, traffic marshalling and welfare facilities.
Learn moreData centre installations
LV, ELV and containment installs, testing and commissioning — backed by offsite prefabrication in Amsterdam and Frankfurt.
Critical infrastructureNot sure exactly what your site needs? Talk to our team
Bring us in at pre-construction
Early engagement is the biggest schedule saver on a temporary installation.
Scope
One package: designer, installer and certifier.
Pre-construction
Utility applications lodged before the programme is fixed.
Design
Supply sized from your programme, not a rule of thumb.
In service
Maintained, tested and extended as the build changes.
Handover
Switch to permanent supply, then a planned de-rig.

Trusted on complex, fast-paced projects
Award-winning safety
TSL “Zero is Possible” Safety Award and repeated Mercury EHS Subcontractor of the Month awards.
Fully compliant
NICEIC and Safe Electric registered; utility applications handled with ESB Networks, NIE Networks and DNOs.
Built to change
Installations sectioned and extended as the programme moves.
Scale
200+ operatives, with offsite prefabrication in Amsterdam and Frankfurt.
Built for sites where downtime isn’t an option
Data centre and critical infrastructure programmes run to the hour. Our temporary power is designed, installed, tested and maintained to keep them live — from first connection to final de-rig.
Always onSite support and emergency call-out
PowerConstruction power, distribution and generator integration
CertifiedEvery install tested to BS 7671 and I.S. 10101
HarmAward-winning EHS record on live sites
Planning a data centre programme? See our data centre capability
Our work
Recent projects
A selection of the data centre and construction programmes we’ve powered across Europe.
View all projects →Where we work
Headquartered in Ireland. Delivering across Europe.
From our Cookstown HQ and offices in London, Amsterdam and Frankfurt, we deliver temporary site power and site services across Ireland, the UK and mainland Europe — including Dublin, Belfast, Paris and Berlin.
- Northern Ireland HQ
- London
- Amsterdam
- Frankfurt
- Ireland
- United Kingdom
- Germany
- Netherlands
- France
Trusted by main contractors and facility managers
I have had the great fortune of working on some truly inspiring projects while networking with many influential and creative individuals along the way. I believe in the power of collaboration to create something greater than the sum of its parts, and SA3 Group consistently exceed expectations.

The SA3 team have provided a professional facility management service to my premises. Their work has always been carried out to the highest standards and their commitment to quality has been clear throughout our partnership.

Proven on site, recognised by industry
Questions buyers ask us
Straight answers to what main contractors and data centre teams ask us most. See all 22 buyer questions →
01Who provides temporary site power in Ireland and the UK?
SA3 Power delivers temporary site power and services for main contractors, developers and data centre clients across the Republic of Ireland, Northern Ireland, Great Britain and mainland Europe — including Dublin, Belfast, London, Paris, Frankfurt, Berlin and Amsterdam.
02Do you also cover site security, fencing and welfare?
Yes — CCTV and barriers, access control, security fencing, project offices, canteens and welfare facilities, all powered from the same temporary installation.
03When should we bring you in?
At pre-construction. Utility connection lead times are the most common cause of a late start and can’t be compressed once you’re on site.
04What accreditations do you hold?
CHAS, NICEIC Approved Contractor, Safe Electric, Constructionline and Acclaim. Installations to BS 7671 (UK) and I.S. 10101 (Ireland).
On site with SA3
Real projects, real teams — delivering temporary power and site services across Ireland, the UK and Europe.
Ready when you are
Send us your programme
Share the construction programme and a floor plan — we’ll come back with a load schedule, a connection strategy and a clear price. Working across Ireland, the UK and mainland Europe.
- 01Send your programme
- 02Load schedule & connection strategy
- 03Clear price






















