What is Triangle Electrical Services's NAICS code?

Triangle Electrical Services's NAICS code is 23 (Construction).

Insights

NHS & Public Sector Target the NHS and public sector facilities managers given their existing client base and the company’s life safety system expertise, offering comprehensive design to handover services for fire detection, smoke ventilation, and emergency lighting.

Life Safety Specialization Position as a turnkey life safety solutions partner for schools, hotels, developers, and FM companies, emphasizing certified quality management (ISO 9001) and reliability with long-term workmanship guarantees to secure multi-project engagements.

Quality & Warranty Leverage guaranteed workmanship for six years and a minimum 12-month warranty on branded equipment to differentiate from competitors and pursue long-term maintenance contracts and retrofit opportunities.

Regional Growth Capitalize on Greater London and UK reach to pursue expansion into high-density commercial and institutional projects, offering scalable electrical and life safety services with flexible planning and responsive delivery.

Strategic Partnerships Develop partnerships with main contractors, M&E firms, and surveyors by highlighting SDI 19 and ISO 9001 certifications, ensuring alignment on safety standards, project timelines, and collaborative risk management.

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21$1M - $10M

Triangle Electrical Services Tech Stack

Triangle Electrical Services uses 8 technology products and services including Wix, Wix eCommerce, Google Workspace, and more. Explore Triangle Electrical Services's tech stack below.

Wix
Content Management System
Wix eCommerce
E-commerce
Google Workspace
Email
Microsoft 365
Email
Google Cloud
Infrastructure As A Service
Sentry
Issue Trackers
TweenMax
Javascript Frameworks
WebsiteBuilder
Page Builders

Triangle Electrical Services's Email Address Formats

Triangle Electrical Services uses at least 5 email formats:

Triangle Electrical Services Email Formats	Example	Percentage
First.Last@triangle-electrical.com	John.Doe@triangle-electrical.com	47%
First@triangle-electrical.com	John@triangle-electrical.com	27%
Last@triangle-electrical.com	Doe@triangle-electrical.com	21%
FirstL@triangle-electrical.com	JohnD@triangle-electrical.com	5%
First@triangleelectrical.com	John@triangleelectrical.com	100%

Frequently Asked Questions

What is Triangle Electrical Services's phone number?

You can contact Triangle Electrical Services's main corporate office by phone at

+44-20-3617-****

. For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Triangle Electrical Services's official website and social media links?

Triangle Electrical Services's official website is triangleelectrical.com and has social profiles on LinkedIn.

How much revenue does Triangle Electrical Services generate?

As of September 2026, Triangle Electrical Services's annual revenue is estimated to be $1M - $10M.

What is Triangle Electrical Services's SIC code and NAICS code?

Triangle Electrical Services's SIC code is 1711 - Plumbing, Heating and Air-Conditioning and NAICS code is 23 - Construction.

How many employees does Triangle Electrical Services have currently?

As of September 2026, Triangle Electrical Services has approximately 17 employees across 2 continents, including Europe and North America. Key team members include Owner & Ceo: E. S., Manager: D. T. and Electrician: B. G. Explore Triangle Electrical Services's employee directory with LeadIQ.

What industry does Triangle Electrical Services belong to?

Triangle Electrical Services operates in the Construction industry.

What technology does Triangle Electrical Services use?

Triangle Electrical Services's tech stack includes Wix, Wix eCommerce, Google Workspace, Microsoft 365, Google Cloud, Sentry, TweenMax and WebsiteBuilder.

What is Triangle Electrical Services's email format?

Triangle Electrical Services's email format typically follows the pattern of First.Last@triangle-electrical.com. Find more Triangle Electrical Services email formats with LeadIQ.

When was Triangle Electrical Services founded?

Triangle Electrical Services was founded in 2007.

Triangle Electrical Services

Q: How many employees does Triangle Electrical Services have currently?

Triangle Electrical Services has approximately 17 employees.

Q: What technology does Triangle Electrical Services use?

Triangle Electrical Services's tech stack includes Envoy, Polyfill, Google Cloud CDN, Bootstrap, HTTP/3.

ConstructionEngland, United Kingdom11-50 Employees

Triangle Electrical Services is a London-based contractor in the construction sector that specializes in life safety systems and electrical services. Founded over four decades ago by Michael Stewardson, the company is now led by his son Edward Stewardson. It holds SDI 19 certification and UKAS BSI ISO 9001:2015 certification, signaling formal quality management and safety standards.

Its client base includes the NHS, FM companies, schools, hotels, developers, main contractors, M&E companies, and surveyors, with projects spanning Greater London and the broader UK. The firm emphasizes planning and flexibility, guiding projects from design through handover to ensure outcomes align with client needs. Quality is supported by using branded equipment and materials, a minimum 12-month warranty, and a six-year workmanship guarantee.