Run jobs, customers, reports, quotes, invoices and reminders from one app built for gas, heating, plumbing, electrical, oil, refrigeration and renewable work.
Use Checker on your phone, tablet or desktop. Fill forms without signal and sync them when you’re back in range. Plans start at £10.99 a month plus VAT, with unlimited records and reports on every plan.
Download Checker now on the App Store or Google Play.
19567
Total Users
23m
Recent account activity
6880140
Gas Reports Created
1262135
Invoices Created
★ 4.5
Average Star Rating
Checker is job management software for UK and Ireland trades. It keeps each job, property, customer, report, quote and invoice together, so the details entered on site are ready for the office and the next visit.
Create and sign reports on the job. Send the PDF to the customer, store it against the right property and raise the quote or invoice from the same record. Checker also gives you a diary, customer history and reminders for the follow-up that usually gets left until later.

Create gas reports, electrical certificates, oil and F-Gas records, job sheets, quotes and invoices while the job is still fresh. Send a signed PDF by email or a link by text, then keep a copy on the customer record.
Keep customers, properties, jobs, documents and payment status together. Use the diary to see what is booked, what is due and what still needs attention.
Send appointment reminders, follow up open quotes, chase overdue invoices and prompt annual service bookings. Set the wording and timing once, then let Checker handle the routine follow-up.
Choose the customer and property, add the job and complete the right report with tap and select fields. Checker saves the work on the device when the signal drops.
Sign the report, send the PDF or link to the customer and keep the file against the same job and property. It syncs across your devices when you're back in range.
Raise the quote or invoice from the job, record the payment and set the next reminder. The job history stays on the customer record for the next visit.
Gas reports, boiler service records, customers, jobs, quotes, invoices and annual service reminders in one app.
Electrical certificates, testing records, customers, scheduling, quotes and invoices from the job or office.
Job sheets, water regulation documents, customer records, scheduling, quotes and invoices for plumbing work.
Boiler, heating and renewable service records, scheduling, customer history and annual service reminders.
Oil reports and records, customer history, quotes, invoices and service reminders for OFTEC work.
F-Gas records, equipment history, jobs, maintenance visits, quotes and invoices in one place.
One view of the customer, the job, the paperwork and the payment for mixed-trade businesses.
Use tap and select fields to complete the right form, add a signature and send the finished PDF to the customer.
See contact details, properties, job history, reports, quotes and invoices from one customer record.
Complete forms on site without a connection. Checker stores the work on the device and syncs it to the cloud when you're back in range.
Send an appointment reminder before the job, follow up open quotes, chase invoices after their payment terms and prompt annual service bookings.
Use tap and select fields to complete the right form, add a signature and send the finished PDF to the customer.
See contact details, properties, job history, reports, quotes and invoices from one customer record.
Complete forms on site without a connection. Checker stores the work on the device and syncs it to the cloud when you're back in range.
Send an appointment reminder before the job, follow up open quotes, chase invoices after their payment terms and prompt annual service bookings.
Plans start at £10.99 a month plus VAT, with unlimited records and reports on every plan.
See PricingOn PRO and PRO+, invoices and payments move both ways between Checker and Xero. Checker also supports QuickBooks and Sage, so the job record and the accounts package stay connected without typing the same invoice twice.
Take payment through Stripe or Zettle, then keep the invoice and payment status with the job.
Checker has three plans. LITE is £10.99 a month, PRO is £19.99 and PRO+ is £25.99, all plus VAT. Records and reports are unlimited on every plan, with no per-report charge.
PRO+ businesses can add sub-users for £10.99 a month each. Every engineer gets their own login and the work stays under one main account.
Try Checker free first. Card details aren’t needed and there’s no contract.
LITE is £10.99 a month, PRO is £19.99 and PRO+ is £25.99, all plus VAT. Records and reports are unlimited on every plan, with no per-report charge. Sub-users are available on PRO+ for £10.99 a month each.
Checker is built for gas, heating, plumbing, electrical, oil and OFTEC, refrigeration, air conditioning and renewable trades across the UK and Ireland.
Checker includes gas reports and records, the Electrical Installation Certificate, Minor Electrical Installation Works Certificate and Electrical Installation Condition Report, oil and OFTEC reports, F-Gas records, plumbing documents, job sheets, quotes and invoices.
Yes. Complete the form on site without a connection and Checker saves it on the device. The work syncs to the cloud when you’re back in range.
Yes. On PRO and PRO+, invoices and payments move both ways between Checker and Xero. Checker also supports QuickBooks and Sage.
Start with the customer, finish with the payment and keep the report, job history and next reminder together in Checker.
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