Smarter Reports & Business Tools for Engineers.

The UK’s #1 All-in-One Platform for Plumbing, Gas, Electrical & Renewable Engineers

Become more efficient, save time & money and grow your business with Checker.

Download Checker now on the AppStore  or  Google Play

 

19567

Total Users

23m

Last Upgrade (min ago)

6880140

Gas Reports Created

1262135

Invoices Created

★ 4.5

Average Star Rating

Create and keep all your business digital “paperwork” in one place

Checker is a software solution designed for Gas Engineers, Heating engineers, Plumbers, Electricians, Oil Heating Engineers, Renewable Energy Installers and in the UK and Ireland. Checker provides tools for creating digital gas reports, gas safety certificates & reports, job sheets, electrical safety reports, quotes and invoices in PDF Format. (+many more)

 

Checker guarantees to streamline  your business operations by reducing administrative tasks and paperwork. What’s more is we will actively drive repeat business to you by using our intuitive automated reminder systems. Checker is trade business tool for modern tradespeople, creating Industry standard reports, records, files , invoices, quotes, job sheets incorporated into a CRM for engineers.

Benefits worth of try

Learn how Checker saves you hours

Go Paperless, Work Faster

Generate & send gas, electrical & renewable safety certificates, job sheets & invoices by email or sms – all in minutes.

Win More Business

Automated service reminders via SMS, email & letter keep your customers coming back year after year.

All Your Work in One Place

CRM, quoting, job management & reports, synced to the cloud – accessible anywhere, even offline.

How It Works

Register Now

Create

Tap away to create your report or file using Checker's pre-determined values to make it fast and easy. Literally create files in seconds.

Send & Save

Email the PDF or send a link to your customers instantly, the file also gets saved to your folders across all devices, so all files are always at your finger tips

Repeat Business

In 11 months time we'll alert you it's due to be renewed and email you all the information to you to contact your customer. Or set it to alert your customer automatically.

Transform How You Work

Register Now

Create Gas Safety Certificates & Industry Reports in Minutes

Use our intuitive user interface with tap and select data to save you hours and hours of typing

Manage Jobs & Customers from One Place

View all your jobs and locations on our interactive Client and Installation maps.

Access Your Data Anywhere, Anytime

Your files sync effortlessly in the background to what ever device you're using. Never lose your files or customers details ever again.

Automated Reminders for Seamless Service

Our automated annual reminders is the one tool that's going to help you to grow your business... just through maximising customer retention.

Create Gas Safety Certificates & Industry Reports in Minutes

Use our intuitive user interface with tap and select data to save you hours and hours of typing

Manage Jobs & Customers from One Place

View all your jobs and locations on our interactive Client and Installation maps.

Access Your Data Anywhere, Anytime

Your files sync effortlessly in the background to what ever device you're using. Never lose your files or customers details ever again.

Automated Reminders for Seamless Service

Our automated annual reminders is the one tool that's going to help you to grow your business... just through maximising customer retention.

Flexible Pricing for Every Business

Checker offers a subscription model with different pricing tiers, including options for individual users and teams. We aim to simplify the management of gas and electrical compliance and enhance the efficiency of day-to-day operations for professionals in the industry.

See Pricing

Testimonials

Great bit of kit, we run our whole gas installation, service and maintenance teams with Checker. We'd be pretty much lost without it.

John Smith

Love this software, we fully manage our electrical tests side of the business with Checker. It's easy and saves us lots of time in admin.

Peter Piper

Vital bit of kit for my Plumbing, Heating and Renewable Energy business

John Wood

Great bit of kit, we run our whole gas installation, service and maintenance teams with Checker. We'd be pretty much lost without it.

John Smith

Latest News

The Best Software for Gas Safe Records and Certificates (UK, 2026)

A 2026 comparison of UK software for generating, storing and renewing Gas Safety Records and CP12 certificates, covering renewal tracking, landlord obligations and offline reliability. Checker, GES, Powered Now, Commusoft, Joblogic, BigChange, Tradify and Fergus are compared on what actually keeps a landlord’s gas compliance current rather than overdue.

Read More

Job Scheduling Software UK 2026: Compare the Best Options

A 2026 comparison of job scheduling software for UK trades, covering shared calendars, double booking, offline site access, and how scheduling differs for a solo tradesperson versus a growing team.

Read More

Best Apps for Plumbers in the UK (2026)

A plumber first comparison of the apps UK trade businesses use for quoting, invoicing and job scheduling, with a close look at which ones automate repeat work such as annual boiler services and payment chasing. Checker, ServiceM8, Powered Now, Jobber, Gas Engineer Software, Joblogic and BigChange are compared on certificates, offline use, accounting sync and price.

Read More

Ready to start?

Drop us an email and our business development managers will help taylor our product for our operation…