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Mercury Electrical

9.9/10

Billericay, Essex

Checkatrade member since September 2023

Services

  • Electric Boiler Installation
  • Electric Boiler Servicing / Repair
  • Electric Cookers
  • Electric Gate Wiring
  • Electric Heating
  • Electric Radiators
  • Electric Range Cookers
  • Electric Showers
  • Electric Smart Thermostats
  • Electric Sockets
  • Electric Stoves
  • Electric Vehicle Charger Installation
  • Electrical Contractors
  • Electrical Heater Repair
  • Electrical Installation Condition Report - Safety Checks - EICR
  • Electrical Under Floor Heating Installation
  • Electrical Under Floor Heating Repair
  • Emergency Electrician Service
  • Emergency Lighting
  • Energy Efficient Lighting
  • Extractor Fans
  • Fault Finding
  • Fuseboard / Consumer Unit Installation
  • Fuseboard / Consumer Unit Repair
  • Garden Lighting
  • Hot Tub Wiring
  • House Rewiring
  • Immersion Heater Installation
  • Immersion Heater Repair
  • LED Lighting
  • Lighting Design
  • Smoke Alarms
  • Storage Heating

Customer Reviews

Write a review

9.9 /10

Based on 13 reviews over the past 12 months

Quality of work

9.92

Reliability

9.92

Communication

9.85

Reviews (26)

  • Amy F
    10

    Changing pull cord on Electric shower

    Posted 17 May

    Gary contacted quickly after I made the request. He and his apprentice were on time, polite and did a great job, taking care to clean up after the job was completed. I would definitely recommend and use this company again.
    Job location: CM1
  • 9

    Job completed promptly

    Posted 05 March

    They came out the next morning after my checkatrade request. Job was completed quickly with no problems.
    Verified reviewer
    Job location: SS11
  • Adam B
    9.67

    Wiring for an unvented hot water cylinder.

    Posted 25 February

    Gary got back to me fast, was professional, transparent about what needed to be done and costs were completely reasonable. The team that did the work were clean, explained everything and turned up precisely when they said they were going to. Mercury will get all my electrical work from now on.
    Verified reviewer
    Job location: SS16
  • Paul S
    10

    Replacement of shower room lighting

    Posted 06 February

    Gary’s team arrived on time and were pleasant and polite throughout their time at my home. The work was completed quickly and efficiently and the lads cleared up after. Would definitely use Mercury again.
    Verified reviewer
    Job location: RM17
  • Philip R
    10

    New earth rod installation

    Posted 04 February

    Mercury Electrical were quick to respond and their quote was best value. Work scheduled, they turned up promptly and got to work straight away. Performed requested work and cleaned up after themselves. Overall very happy with their work.
    Verified reviewer
    Job location: SS7
  • Will D
    10

    Installing a large light fitting and getting power to the area.

    Posted 31 October 2025

    Gary and his team were very professional. Quickly popped round and gave me a reasonable quote. Turned up on time on the day they promised. Very friendly did a great job and left no mess. Will definitely be using again and highly recommended.
    Job location: CM14

Photos

Company Info

Owner

Mr Gary Powell

Ltd Company

3 years on Checkatrade

VAT Registered

Yes: 877353582

Domestic WorkCommercial WorkFree EstimatesInsurance Work Undertaken

Mercury Electrical is a trusted electrical contracting company serving residential, commercial, and industrial clients. With over 20 years of experience in the industry, we are dedicated to delivering high-quality electrical services tailored to our clients' needs.


We are a NICEIC approved contactor. We are also OZEV approved for car charger installations.


Our Services Include


Commercial Electrical Installations

Three Phase Installations

Electrical Certificates for Landlords and Home Buyers

Fault finding and repairs

Residential Wiring

Lighting Design and Installation

Consumer Unit Upgrades

Emergency Lighting Installations and Testing

Car Chargers



Accreditations and awards

This trade passed up to 12 Checkatrade vetting checks

Member since September 2023

Individual checks

  • Identification

  • Proof of address

  • Financial

  • Qualifications and accreditations

  • County court judgement

  • Open source media

Business checks

  • Customer Reviews

  • Company trading history

  • Company duplication

  • County court judgement

  • Enhanced business check

  • Director checks

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