Commercial gas, plumbing and electrical specialists

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ABOUT US

Based in Hertfordshire

Covering London, Buckinghamshire, Essex, Surrey, Berkshire, Middlesex, Kent, Sussex and all surrounding areas. We also carry out major projects nationwide. 

Welcome to the home of GESTI Limited. We offer our specialised gas, plumbing and electrical services to all domestic customers and commercial businesses across the home counties and London. Need a new boiler installed in your commercial office building? We've got you covered. Need a full electrical rewire in your restaurant/bar? We've got you covered for that too. With years of experience in the trade, you can rely on us for a safe and efficient service. 

No matter whether it's a school, office space, restaurant, bar, shop or even a church, our engineers are on hand. Head over to our services page to see more of what we do. Otherwise, to get in touch with our team, you can either: 

- Fill in our contact form with additional information
- Email us at info@gesti.co.uk
- Call us on 07825 684396

We'll look forward to hearing from you soon. In the meantime, feel free to check out what some of our customers have had to say about us in the past by visiting our reviews page, we're confident you will be impressed! 

James Blanksby - Director at GESTI Limited 



I started my career in 2005, as an Electrical Testing and Inspection Engineer, testing and inspecting electrical wiring systems in various installations, including 4 and 5 star hotels, throughout the UK. I worked my way up to become Senior Testing and Inspection Engineer then on to become the UK Operations Manager at a Leading Facilities Company, before heading to the capital to continue my professional development. Whilst in London I retrained as a gas engineer, firstly becoming qualified and competent in domestic gas, then achieving commercial/industrial gas status reinforced through CPD learning, keeping my qualifications up to date and attending Manufacturer’s Training Seminars. 

It was in 2012 that I established GESTI Limited, a Gas, Electrical and Plumbing Services company that provides services to the domestic, commercial and industrial sectors. We have been involved in a number of projects throughout the years, ranging from Grade II listed properties to Temples, Theatres, Shopping Malls, Warehouse and Offices to name but a few. No project is the same and each project warrants our utmost respect and attention to detail, providing appropriate solutions to real life engineering problems. 

We take on various projects through the services industry providing clear, concise and accurate explanations. We are not one to turn a challenge down! We pride ourselves on 100% quality workmanship and understand if you wish the process to be carried out differently. For example, working out of hours, we are flexible in meeting your operational requirements. I am sure you will enjoy working with GESTI Limited and for a free, no obligation site visit please contact myself, James on 07825 684396

Thank you for your time and hope to see you soon.

                 

Vaillant & ATAG Accredited Installer

As we're accredited with both ATAG and Vaillant, we can offer an extended warranty of up to 10 years on selected ATAG/Vaillant boilers that we install.

Fully Insured

We have public liability insurance, ensuring peace of mind for our customers

Experienced & Qualified

Our fair prices and extensive knowledge of commercial gas, plumbing and electrical engineering ensure that we are the ideal choice for your business.

Reviews

Total rating Total rating Total rating Total rating Total rating

SCORE   5.0   |   7  REVIEWS

Services

Domestic Heating & Gas

Domestic Heating & Gas

Looking for an engineer to install a new replacement boiler? Or maybe service/repair your existing boiler? Our Gas Safe Registered engineers are on hand...

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Domestic Electrics

Domestic Electrics

Looking for an electrician to partially/fully rewire your home? Or are you just looking for somebody to install replacement plug sockets? Whatever it is, GESTI Limited have you covered. 

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Commercial Plumbing

Commercial Plumbing

Need a commercial plumber in Hertfordshire, London or anywhere across the home counties? We're on hand to repair burst pipes, install full central heating systems and attend to all other commercial pl ...

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Our Location

Graveley
Hertfordshire SG4 7LN

Call Us

07825 684396

Drop us a line

info@gesti.co.uk

Contact Us