Insights

Lifecycle Expertise Target growth by positioning Triangle Electrical Services as a trusted life safety and design-to-handover partner for NHS, schools, hotels, developers, and main contractors across Greater London and the UK, leveraging their SDI 19 and ISO 9001:2015 certifications to reassure stakeholders on reliability and quality.

Quality & Warranty Leverage their 12-month warranty on branded materials and six-year workmanship guarantee to upsell ongoing service contracts, maintenance plans for fire detection, smoke ventilation, emergency lighting, and general electrical services with a focus on compliance-driven facilities management.

Family-Driven Trust Highlight the small-family atmosphere and dedicated client relationships as a differentiator for long-term partnerships, appealing to organizations that value responsive, personable service alongside technical excellence.

Expansion Readiness Capitalize on growth trajectory by offering scale-ready support, project management, and regional expansion services to developers and M&E firms, emphasizing their capability to manage projects from design to handover with reliability and planning focus.

Tech-Enabled Efficiency Promote their tech stack and process-driven approach (Sentry, Envoy, reCAPTCHA, JSON-LD, etc.) as enablers of transparent project tracking, issue resolution, and secure collaboration, appealing to clients needing auditable and efficient delivery workflows.

Similar companies to Triangle Electrical Services

Triangle Electrical Services Tech Stack

Triangle Electrical Services uses 8 technology products and services including Sentry, JSON-LD, Polyfill, and more. Explore Triangle Electrical Services's tech stack below.

  • Sentry
    Issue Trackers
  • JSON-LD
    Javascript Frameworks
  • Polyfill
    Javascript Libraries
  • Zepto
    Javascript Libraries
  • Lodash
    Javascript Libraries
  • Envoy
    Load Balancers
  • WebsiteBuilder
    Page Builders
  • reCAPTCHA
    Security

Triangle Electrical Services's Email Address Formats

Triangle Electrical Services uses at least 2 format(s):
Triangle Electrical Services Email FormatsExamplePercentage
First.Last@triangle-electrical.comJohn.Doe@triangle-electrical.com
47%
First@triangle-electrical.comJohn@triangle-electrical.com
27%
Last@triangle-electrical.comDoe@triangle-electrical.com
21%
FirstL@triangle-electrical.comJohnD@triangle-electrical.com
5%
First@triangleelectrical.comJohn@triangleelectrical.com
100%

Frequently Asked Questions

What is Triangle Electrical Services's phone number?

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

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

How much revenue does Triangle Electrical Services generate?

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

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

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

How many employees does Triangle Electrical Services have currently?

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

What industry does Triangle Electrical Services belong to?

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Triangle Electrical Services operates in the Construction industry.

What technology does Triangle Electrical Services use?

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Triangle Electrical Services's tech stack includes SentryJSON-LDPolyfillZeptoLodashEnvoyWebsiteBuilderreCAPTCHA.

What is Triangle Electrical Services's email format?

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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?

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Triangle Electrical Services was founded in 2007.
Triangle Electrical Services logo

Triangle Electrical Services

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.

Section iconCompany Overview

Phone number
SIC Code
1711 - Plumbing, Heating and Air-Conditioning
NAICS Code
23 - Construction
Founded
2007
Employees
11-50

Section iconFunding & Financials

  • $1M - $10M

    Triangle Electrical Services's revenue is estimated to be in the range of $1M - $10M

Section iconFunding & Financials

  • $1M - $10M

    Triangle Electrical Services's revenue is estimated to be in the range of $1M - $10M

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