Scores based on 79 reviews

Reliability & timekeeping

Invoice history based on 47 reviews.

Invoice History
Charged as per quote / estimate93.62%
Above quote / estimate: kept informed6.38%
Appointments reported as missed (6 months) 0
Average score 9.87
79 reviews
  • Interviewed by Checkatrade
  • 1 accreditation checked
  • Insurance checked
  • Limited company checked
  • ID checked
  • Address checked
  • References checked
  • VAT registered
  • Checkatrade standard signed

Our company founder Graham Mellish established Harvey Mellish Electrical Services in 2005. Based in Hemel Hempstead, the company has established a prestigious reputation across Hertfordshire for it’s exceptional provision of electrical work.

Over the last ten years we have built a proven track record of customer satisfaction, delivering our services to clients throughout Hemel Hempstead, Hertfordshire, London and the Home Counties. There is no job too small or challenge too large for our highly skilled team.


Our team are City and Guilds and Guilds and BS7671 17th Edition qualified electricians, and we have Government approved self-assessment and certification in keeping with current regulations. We are registered members of ELECSA, which is part of the ECA, and our registration number is 22722. All of our work is fully tested and certified, and covered by Public and Employer liability insurance of up to £5 million. We are a Part ‘P’ approved contractor and registered member, which means we are compliant with Building Regulations and governmental safety standards. In accordance with Part ‘P’ we are also members of the Electrical Safety Register.

Our Ethos

We promise to:

• Be friendly, courteous and honest at all times
• Listen carefully to your needs and fulfill them accordingly
• Offer the most cost effective solution to your requirements
• Complete all work according to the most recent compliance requirements
• Provide advice and technical expertise to the highest possible standard
• Deliver a timely and professional service

Peace of Mind

Please feel free to check our details on the Registered Electrical Competent Person Database and Competent Persons Register.

We gain our work predominantly through word of mouth recommendations. It is of utmost important to us that we can guarantee 100% customer satisfaction in every job we undertake.

Based in

Hemel Hempstead, Hertfordshire

Works in

Hemel Hempstead, St Albans, Watford, Potters Bar,Stevenage,Luton, Berkhampsted,Tring, Aylesbury,MK