Established over 40 years

Our story

Founded over 40 years ago by Michael Stewardson, a methodical and ethically strong electrician who continues to inspire the company to remain true to our ethos of always putting standards above all other aspects.  These days the company is run by his son Edward who has developed the company to achieve UKAS BSI ISO 9001: 2015 certification and continues to expand the Triangle brand to become an industry leader whilst keeping the small family personality that our staff and clients equally value.


Triangle is a maintenance/installation company adding value to Estate/Property Portfolios, FM companies, Hotels, Restaurants, Independent landlords, Developers, Surveyors, Builders and Homeowners in and around Greater London and throughout the U.K.


We specialise in PPM (planned and preventative maintenance), Smoke Ventilation, LED lighting and LV distribution and always remain enthusiastic to take on a challenge and have recently completed Temporary Critical Power to the Royal London Hospital and assisted with the NHS Barts Trust Nightingale project.


Maintaining the old ethic of provide solutions instead of problems, planning and flexibility is integral to the success of everything we do, we pride ourselves on offering design inspiration, budgeting tools, and advice free of charge.


Our trusted team are selected not only for their expertise but also by their friendly and sincere character making all departments approachable and welcoming even first thing on a Monday morning pre-caffeine.


Quality is always prioritised over cost which is why Triangle only use branded equipment and materials with a minimum of 12-month warranty, in addition our workmanship is guaranteed for 6 years providing our clients the peace of mind they deserve.


What clients say


"We have always found Triangle Electrical to be professional, skillful and well qualified."


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Send Triangle a message to discover how we can become an asset to your team

© 2019 Triangle Electrical Services Ltd

Triangle Electrical Services Ltd is UK VAT registered company; GB1037 87417. Company registration number: 06270360