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Easy, Reliable & Efficient
Gas Engineer Software

GES makes job management easy for growing heating & plumbing teams. Quote, schedule, invoice, create certificates, and more — all in one place.


Based on 1500+ reviews

Easy, Reliable & Efficient
Gas Engineer Software

GES makes job management easy for growing heating & plumbing teams. Quote, schedule, invoice, create certificates, and more — all in one place.

Easy, Reliable & Efficient
Gas Engineer Software

GES makes job management easy for growing heating & plumbing teams. Quote, schedule, invoice, create certificates, and more — all in one place.

Boiler manuals & AI AssistNew

2,300+ manuals and an AI assistant to get the answer you need in seconds. Now live in the GES app

GES BENEFITS

Job Management Done Right For Heating & Plumbing Businesses

GES is the best gas engineer software for busy heating & plumbing sole traders and teams. A reliable, easy-to-use job management system for everything from paperless gas certificates to scheduling and managing customer details.

MANAGE TEAMS
SAVE TIME
MAKE MORE MONEY

MANAGE TEAMS

SAVE TIME

MAKE MORE MONEY

SCALABLE

Bring your team together and avoid scheduling chaos

Multi-engineer scheduling, a complete job history, and admin oversight. GES makes job management easy so your admin runs smooth, engineers have everything they need for the job, and your customers are happy.

Start free 14-day trial
11 – 17 May
07:00
08:00
09:00
10:00
11:00
12:00
13:00
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Mon
11
08:00–11:00
Boiler install · Conner
95 Merlin Way, ME7
09:30–11:00
Breakdown · Hale
12:00–13:30
Landlord cert · Adalie
47 Mill Road
14:00–16:30
Service round · Greta
Tue
12
08:00–10:00
Service · Coleman
10:30–12:00
Boiler swap · Adalie
11:00–12:30
Survey · Bree
13:30–16:00
Install · Reed
7 Castle Court
Wed
13
07:00–08:30
Servicing · Olukoju
09:00–12:00
Boiler service · Friday
33 Wallum St
10:00–11:30
Landlord cert · Patel
12:30–14:00
Breakdown · Bell
14:30–16:00
Gas safety · Okafor
Thu
14
09:00–11:30
Service · Susan H.
10:00–11:00
Call-out · Reed
13:00–14:30
Cert · Daniel R.
15:00–16:30
Service · Marsh
Fri
15
08:30–11:30
Boiler service · Khan
09:30–11:00
Cert · Owens
12:00–14:00
Install · Price
13:00–14:00
Call-out · Blackburn
14:30–16:00
Landlord cert · Hank
54 Queens Road
Sat
16
Sun
17
May 2026 ◀ ▶
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Each engineer has their own colour on the shared schedule.
Engineers
Tap to filter & colour the schedule
All engineers
Andy Smith
Pete Davidson
Amy Brook
Daniel Wiggan

7000+

Businesses using GES

6.6+ hours 

Time saved per person, per week

37%

Avg. growth after 1 year*

Monthly Progressive Counter
£0

Income generated from service reminders this month so far. 

Get these results for your business

Set up your profile in 2 minutes — zero commitments, free 14-day trial.

*Calculated based on the difference in invoices paid over the first 12 months using Gas Engineer Software.

Gas Engineer Software For Teams & Sole Traders

“Three years after we went onto the software, my company tripled in size — the team tripled, and my revenue tripled.”

Brent, JJS Gas and Heating
Brent
JJS Gas and Heating
Read his full story →
Website Testimonial - Owner v3
Website Testimonial - Engineers v3
Combined Admin Testimonial

"I've been using Gas Engineer Software (GES) for over 8 years—first as an individual, now as a business with 6 engineers."

— Wayne Chapman, The Boiler Engineer

"It's not made as a generic building trade app, it's made for us."

— Artan, CJ Plumbing & Heating

"We needed to move away from the diary system we were using because it was failing."

— Emma, Guy Crabb Plumbing & Heating
WHY GES?

What Sets Us Apart

Job Management App Works on Mobile
QUICK & EASY SETUP

Mobile app or desktop, get going in minutes

GES has a mobile app for Android and iOS, and a web portal for your PC. Getting set up is quick and easy:

  • Create a free account
  • Create your business profile
  • And you’re done!

We can also set up your account for you and help you import your database of customer info. Just let us know!

Gas Safe Register is a registered trademark of the HSE and is used under licence.

EXPERT UK-BASED SUPPORT

Speak to a real person and get help when you need it

With only one industry to focus on, the Gas Engineer Software support team is well-versed in the world of plumbing and heating.

Get quick and professional help whenever you need it via phone, in-app chat, email, or the 100+ articles in our help centre.

Contact us →

Plumbing and heating support staff
OUR FRIENDLY TEAM:
Aron Customer Support Manager for Gas Engineer Software

Aron

Customer Service Manager

Callum

Customer Service Agent

Maja

Customer Service Agent

Ola Customer Support - Gas Engineer Software

Nilesh

Customer Service Agent

Alexa

Customer Growth Specialist

Aron Customer Support Manager for Gas Engineer Software

Aron

Customer Service Manager

Callum

Customer Service Agent

Maja

Customer Service Agent

Ola Customer Support - Gas Engineer Software

Nilesh

Customer Service Agent

Alexa

Business Development Specialist
THE UK’s #1 GAS ENGINEER SOFTWARE

What can GES do for you?

Build quotes from templates

Easily build & send professional quotes in seconds from your smartphone, tablet, or PC.

Schedule all your work

Keep everything connected & schedule the right jobs for the right engineer at the right time.

Issue certificates

Create, sign, and send professional records & certificates from anywhere.

Generate invoices

Turn your quotes into invoices at the click of a button. Payment reminders will chase late payers on your behalf with a customisable message.

Get paid 64% faster

A QR code on each invoice makes it quick & painless for customers to pay on the spot, while automated reminders chase late payers for you.

Thrive on repeat business

Boiler service reminders effortlessly capture repeat business from customers you already know and trust. Every 1 in 3 reminders turns into a booked job.

Image 1 Image 2 Image 3 Image 4 Image 5 Image 6
Build quotes from templates

Easily build & send professional quotes in seconds from your smartphone, tablet, or PC.

Schedule all your work

Keep everything connected & schedule the right jobs for the right engineer at the right time.

Issue certificates

Create, sign, and send professional records & certificates from anywhere.

Generate invoices

Turn your quotes into invoices at the click of a button. Payment reminders will chase late payers on your behalf with a customisable message.

Get paid 64% faster

A QR code on each invoice makes it quick & painless for customers to pay on the spot, while automated reminders chase late payers for you. 

Thrive on repeat business

Boiler service reminders effortlessly capture repeat business from customers you already know and trust. Every 1 in 3 reminders turns into a booked job.

CORE FEATURES

Built for heating & plumbing businesses

Paul Laborevics UK Gas EngineerPaul Laborevics

York Heating and Plumbing Solutions

"The customer service is spot on. Time-saving software that helps keep me on track.

Very happy and satisfied."

Phil Shakespeare UK Gas EngineerPhil Shakespeare

Premium Heating Services Ltd

"Brilliant app. I’ve been using it for 3 months and it’s so easy to use for everything from certificates to service reminders and invoicing."

Phil Shakespeare UK Gas EngineerBrett Carey

Carey Plumbing & Heating

"From gas records to quotes, estimates, and invoices, it’s saved us so much time and money. I can’t recommend this more."