Fully approved NICEIC contractors and fully insured.

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If you need electrics installing or updating in your property, home, office, restaurant or other commercial setting…

If you need electrics installing or updating in your home, office, restaurant or other commercial setting, peace of mind is key. You want to know that the work is of the highest quality, carried out by trained professionals who won’t leave you with any nasty surprises. You want to be rest assured that your building is wired up, ready to go and most importantly – safe. In amongst the sea of contractors working in the capital, choose Synergy E.S.L. We are high end electrical engineers who carry out residential and commercial works within London. You can trust the quality of work because our highly skilled staff are insured and fully approved by the NICEIC. This is a national body that provides assessment and certification services for contractors working in the electrical industry. Our services include:

  • New Installations

  • Upgrades, Renovations and Expansion

  • Fuse Boards / Consumer Units

  • Extractor Fans and Hoods

  • Complete Rewiring

  • Lighting Installations, General and LED

  • Outside Lights

  • New Wall Sockets / Switches

  • Security Lighting

  • Fault Finding

  • Repairs

  • Emergency Lighting

  • Electrical Installation Condition Reports

We are registered with the following quality standards organisations:

As part of our professional service, we undertake and solve any electrical issue you may have. Each client can be rest assured that their job will be completed expertly and to a high level of satisfaction.

The Company

If you require any electrical work to be carried out by NICEIC registered electricians at competitive prices then please call us to arrange an appointment for an estimate.
Daibhid Gray, our experienced electrical estimator and Technical Services Manager, can give you an estimate, either written or verbal, or our electricians on site will take the necessary information for one to be prepared.
An appointment can be made at a time that suits you for Daibhid to visit and discuss your requirements. There will be a full assessment of works so that a detailed estimate, full breakdown of costs and work schedule can be provided. This is designed to keep disruption to a minimum.
Daibhid will oversee all works carried out, keeping you informed of its progress…

Why Use Us?

  • Our company is a fully approved contractor by the NICEIC and has all associated insurances in place

  • All works are carried out to the highest standards possible

  • All works where necessary will be inspected, tested and certified

  • Our staff are uniformed, well mannered, polite and professional

  • We always ensure that customer satisfaction is our main priority

  • We work with our clients to provide the best quality products for installation based on durability, efficiency and design aesthetic

  • We ensure that all work areas will be cleaned, tidied and waste removed from site

  • Our highly qualified and approved staff offer a guarantee of professionalism, while also being open and friendly, doing everything they can to work round the needs of your business or home

What Our Customers Say

"Synergy E.S.L always provides detailed estimates with no hidden charges and by far the best prices around. It is rare to deal with someone who is so reliable, honest and personable."

Richard Wynne


"After having various problems with electrical companies in the past, I finally found Daibhid Gray from Synergy E.S.L. I have been using Daibhid's services for the past 3 years now. Enough Said."

Paul Daly


"I would like to thank Daibhid personally for the great work he carried out at my restaurant, Season Kitchen. From start to finish the process was dealt with professionally and in a timely manner. 5* Service all round"

"Synergy E.S.L are my first choice for all of my company’s data and electrical works. I've been working with Synergy E.S.L for a couple years now they have been indispensable with helping me deliver my office renovation projects, small to large installations and modernising our building electrics up to current safety standards. Our projects are delivered with a high level of technical expertise, cost effective and completed on time."

LIndelle Paul



"I would like to say a huge thank you for all the hard work and effort that was put into the completion of Aces and Eights. The team were fully committed to having the bar ready to go for opening night and the finish product speaks for itself."

"Synergy E.S.L are hard a working team which have helped Dtwo on several projects over the last 10 years. From simple fault finding, periodic inspections to some serious jobs Daihbid Grey and his team can work under incredible pressure and above all, honest and a pleasure to work with. I can’t recommend Synergy E.S.L highly enough."

David Knight