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Excelsior Engineering

Electrical Inspection & Testing. Excelsior Engineering has been vetted and approved by TrustATrader. Covering Wales, Bristol, Gloucester, Hereford, Cheltenham and surrounding areas

Membership number TT31572

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4.97 out of 5
24 reviews

  • Initial impression Initial impression: 5.0 out of 5.0
  • Punctuality Punctuality: 4.96 out of 5.0
  • Cleanliness Cleanliness: 4.96 out of 5.0
  • Quality Quality: 4.96 out of 5.0
  • Value Value: 5.0 out of 5.0
  • Overall opinion Overall opinion: 4.96 out of 5.0
  • 0 missed appointments in the past 6 months

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About Excelsior Engineering, Cardiff

Finding a reliable Electrician can be a minefield, Excelsior Engineering is a reliable electrical company who consider no job too big or too small.

Based in Merthyr Tydfil, Excelsior Engineering has a team of qualified, professional Electricians and have over 21 years of experience in the industry. We consistently offer value and quality to commercial and domestic customers and pride ourselves on the positive feedback that we get from our many satisfied customers.

You may need to find an electrician in a rush or may have a list of small electrical jobs that need carrying out. Whatever your requirements, we promise that we will be punctual, helpful and offer you optimal value for money.

A domestic electrician installs, maintains, and repairs electrical systems in residential homes, focusing on safety and reliability for tasks like wiring, lighting, and outlets. They also work with modern technologies and can provide emergency services, testing, and upgrades to meet safety and efficiency standards.

Installation: Installing new wiring, circuits, sockets, light fixtures, and appliances in new constructions or extensions.

Repair and Maintenance: Diagnosing and fixing electrical problems in existing homes, including emergency repairs.

Upgrades: Modernising outdated electrical systems, such as complete house rewiring or upgrading a fuse box (consumer unit) to meet current standards.

Testing and Certification: Providing electrical safety certificates and inspections, like home buyer's electrical checks.

Modern and Emerging Technologies: Installing new technology such as electric vehicle (EV) chargers, security systems, and systems for enhanced connectivity.

Specialised Work: Conducting specific tasks like installing external security or garden lighting, or wiring for hot tubs.

We are fully insured and qualified and are registered with the following professional bodies:

NAPIT
City & Guilds - Level 3 Electrical Installations BS 7671
City & Guilds - Level 3 Installation of Small Scale Solar Photovoltaic Systems
University of South Wales BTEC Higher National Certificate Building Services Engineering
City & Guilds Level 3 Certificate Inspection, Testing and Certification of Electrical Installations 500/3517/4
Level 3 NVQ in Electrotechnical Services - Electrical Installation - Building & Structures 100/2854/7

To check the availability of our electricians or for information and advice about the services we offer, please call and speak to one of our friendly advisors who will be happy to offer you a free, no-obligation quote.

Alternatively, to find out more about Excelsior Engineering and the services we offer, click on the following link to visit our website

Please mention Trustatrader when calling.

Excelsior Engineering

Sole trader
Verified on 9th October 2025
  • Identification checked
  • Company address verified
  • Customer references checked
  • Agreed to TrustATrader's high standards
  • Agreed to complaints procedure

Insurance details

Provider Simply Business
Verified 8th October 2025
Cardiff
Cardiff

Qualifications

  • NAPIT
  • City & Guilds - Level 3 Electrical Installations BS 7671
  • City & Guilds - Level 3 Installation of Small Scale Solar Photovoltaic Systems
  • University of South Wales BTEC Higher National Certificate Building Services Engineering
  • City & Guilds Level 3 Certificate Inspection, Testing and Certification of Electrical Installations 500/3517/4
  • Level 3 NVQ in Electrotechnical Services - Electrical Installation - Building & Structures 100/2854/7

Reviews (24)

  • Average rating: 5.0 out of 5

    Review by

    on

    "We had lee in as an emergency, he quickly responded and solved the issue with our electrical sockets that had melted inside and put our minds at ease straight away. We won't use anyone else now. Tha is again"

    Trader reply: "Thanks Ricki, glad I could fix the fault for you"

    • Initial impression Initial impression: 5 out of 5.0
    • Punctuality Punctuality: 5 out of 5.0
    • Cleanliness Cleanliness: 5 out of 5.0
    • Quality Quality: 5 out of 5.0
    • Value Value: 5 out of 5.0
    • Overall opinion Overall opinion: 5 out of 5.0
  • Average rating: 5.0 out of 5

    Review by

    on

    "Lee was fantastic, well organised and left the job clean and tidy"

    Trader reply: "Thanks Hazel. Always a pleasure to work at FH"

    • Initial impression Initial impression: 5 out of 5.0
    • Punctuality Punctuality: 5 out of 5.0
    • Cleanliness Cleanliness: 5 out of 5.0
    • Quality Quality: 5 out of 5.0
    • Value Value: 5 out of 5.0
    • Overall opinion Overall opinion: 5 out of 5.0
  • Average rating: 5.0 out of 5

    Review by

    on

    "Lee came at short notice to disconnect the fire alarms and check the electrical supply following a leak up stairs which caused flooding through the ceiling. Provided perfect advice to let the water dry out and followed up with testing all the electrics to ensure no severe damage was caused."

    Trader reply: "Thanks James, glad we could safely get your supply back on for you at that hour"

    • Initial impression Initial impression: 5 out of 5.0
    • Punctuality Punctuality: 5 out of 5.0
    • Cleanliness Cleanliness: 5 out of 5.0
    • Quality Quality: 5 out of 5.0
    • Value Value: 5 out of 5.0
    • Overall opinion Overall opinion: 5 out of 5.0
  • Average rating: 5.0 out of 5

    Review by

    on

    "punctual, professional and most importantly a general nice guy, a perfect tradesman to have support our care home"

    Trader reply: "Thank you Kath. Always look forward to visiting you all at the care home"

    • Initial impression Initial impression: 5 out of 5.0
    • Punctuality Punctuality: 5 out of 5.0
    • Cleanliness Cleanliness: 5 out of 5.0
    • Quality Quality: 5 out of 5.0
    • Value Value: 5 out of 5.0
    • Overall opinion Overall opinion: 5 out of 5.0
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