NEW Photographic evidence & analyser imports now live

Gas Safety Engineer App

The complete digital toolkit for Gas Safe registered engineers. Create unlimited certificates, attach flue gas analyser data, manage jobs and track your finances — all in one place.

From  £7.50  / month  ·  all certificate types
Start Free — Create Your Profile → Sign In to Existing Account
What's new?
✔ Gas Safety Certificates
✔ Boiler Service Records
✔ Warning Notices
✔ Invoices & Quotes
★ Photographic Evidence
★ Analyser Imports
★ Pre-saved Engineer Signature
What's New

Built for engineers on the job

The latest update brings digital evidence collection directly into your certificate workflow — no more separate photos or paper print-outs from your analyser.

New
📸
Photographic Evidence & Analyser Imports
Attach photos and import PDF reports directly from your flue gas analyser or manometer during certificate creation. All files are automatically appended as additional pages in the final PDF — keeping everything in one professional document.
  • Take photos from your phone camera mid-certificate
  • Import flue gas analyser PDF reports
  • Import manometer test records as PDF
  • Photos appear 2-per-page; PDF pages rendered in full
  • Works on Gas Safety Certs, Service Records, Warning Notices & all specialist certs
New
✍️
Pre-saved Engineer Signature
Draw your signature once in your profile and it auto-populates on every certificate — no more signing by hand on each job.
New
📋
Standardised Certificate Screens
All 11 certificate types now share a consistent signature screen, dropdown style and step layout for a faster, more predictable workflow on every job.
New
💾
Reliable Sync & Import
Contacts and reports now import correctly on desktop browsers. Backup exports include all contacts. Data persists reliably across mobile and desktop.
💡

At just £7.50/month the app pays for itself the moment you skip your first box of paper certificates. Add the saving on your annual accountant bill and it's a no-brainer.

No paper certificates
Generate and share professional PDFs instantly from your phone — no certificate pads to carry or reorder.
File your own tax return
The yearly financial report gives you everything needed for Self Assessment — saving hundreds on accountant fees.
Complete job evidence
Attach analyser readings, photos and manometer results directly to each certificate — no separate filing needed.
Never miss a renewal
Automatic annual inspection reminders for every customer ensure you're always the first call when service is due.
The complete engineer toolkit
One app. Every document.
Every penny accounted for.
Built exclusively for Gas Safe registered engineers
1
Combine everything into one PDF
Certificate · warning notice · service report · photos · gas analyser · invoice — one tap, one file, saved and emailed to your customer
Combine documents
Mrs Patricia Reid — Job #2026-041
🛡️
Gas safety certificate
⚠️
Warning notice
🔩
Service report
📷
Job photos (3)
📈
Gas analyser report
💼
Invoice — £285.00
Combine & export PDF →
PatriciaReid_Apr2026.pdf
6 documents · 14 pages · ready to send
Save to device
Email to client
Home
Jobs
Records
Reports
No other gas engineer app can do this.
Every document from a job, bundled into one professional PDF in a single tap.
2
Your tax return, done for you
Import your bank statement CSV and the app builds a Self Assessment-ready yearly report — saving you hundreds on accountant fees
2025/26 Yearly tax report
West Lothian Gas Ltd
💰
Total income
£38,450
🔧
Materials
-£6,820
🚗
Travel & vehicle
-£3,240
🏢
Insurance & rent
-£4,160
💻
Tools & software
-£1,890
SA103 Self Assessment summary
Gross income£38,450
Allowable expenses-£16,110
Taxable profit£22,340
Estimated tax~£2,468
Ready to submit to HMRC
Download .xlsx report
Saves hundreds on accountant fees.
Every expense auto-categorised. Mapped directly to HMRC SA103 boxes.
The only app that handles your whole job, start to finish
Gas safety certs
Combine to PDF
Invoices & quotes
Bank import
Tax-ready reports
Annual reminders
From £7.50
per month · all certificate types
7-day free trial
Everything you need on the job

One app. Every job.

From domestic gas safety checks to commercial catering inspections — every certificate type, every workflow, in your pocket.

🛡️
Gas Safety Certificates
Domestic & commercial GSCs with full compliance details — photographic evidence and analyser data included.
🔧
Boiler Service Records
Record boiler services with appliance details, preliminary checks, notes and engineer sign-off. Attach photos mid-service.
⚠️
Warning Notices
Issue Gas Safe compliant warning notices. Attach photographic evidence of the fault directly to the notice.
📄
Benchmark Commissioning
Full boiler commissioning checklists including controls, measurements, final checks and service records.
🏭
Commercial & Specialist Certs
LPG, Leisure Industry, GISR, Gas Test & Purge, Commercial Catering, Cooling Off Period — all included.
💼
Invoices & Quotes
Generate professional invoices and quotes linked to your jobs. Mark paid, convert quotes and export to CSV.
📊
Financial Reports
Monthly and yearly accounts generated from your jobs. Import bank statements for a complete tax picture.
🔔
Reminders Due
Built-in due-date tracking for annual inspections — never miss a service reminder for any customer.
👥
Client Contacts
Store and search your customer database. Auto-populate address and contact details into new certificates.
Certificate Types

11 certificate types — all with evidence attachments

Every certificate type supports photographic evidence and PDF imports from analysers and manometers.

Gas Safety Certificate (Domestic)
Boiler Service Record
Warning Notice
Benchmark Commissioning Checklist
Commercial Gas Safety Certificate
Gas Installation Safety Report
Leisure Industry Gas Safety Record
LPG Safety Record
Commercial Catering Inspection
Gas Testing & Purging Record
7 Day Cooling Off Exemption
Pricing

Simple, transparent pricing

All plans include all 11 certificate types and the new photographic evidence feature. No setup fees.

Lite
£7.50
per month + VAT
  • ✓ All Certificate Types
  • ✓ Up to 20 Certificates / Month
  • ✓ Invoicing & Quotes
  • ✓ Gas Rate Calculator
  • ✓ Job Sheets
  • ✓ Photographic Evidence
  • – Accounts Feature
  • – Annual Reminders
  • – Multiple Engineers
Get Started
Cancel anytime
Most Popular
Pro
£14.50
per month + VAT
  • ✓ Everything in Lite
  • ✓ Unlimited Certificates
  • ✓ Accounts Feature
  • ✓ Annual Reminders
  • ✓ Business Analytics
  • ✓ Customer Database
  • – Multiple Engineers
Get Started
Cancel anytime
Pro+
£18.50
per month + VAT
  • ✓ Everything in Pro
  • ✓ Multiple Engineers
  • ✓ Unlimited Everything
  • ✓ Priority Support
Get Started
Cancel anytime
Lite
£75
per year + VAT  (£6.25/mo)
  • ✓ All Certificate Types
  • ✓ Up to 20 Certificates / Month
  • ✓ Invoicing & Quotes
  • ✓ Gas Rate Calculator
  • ✓ Job Sheets
  • ✓ Photographic Evidence
  • – Accounts Feature
  • – Annual Reminders
  • – Multiple Engineers
Get Started
Billed annually
Most Popular
Pro
£135
per year + VAT  (£11.25/mo)
  • ✓ Everything in Lite
  • ✓ Unlimited Certificates
  • ✓ Accounts Feature
  • ✓ Annual Reminders
  • ✓ Business Analytics
  • ✓ Customer Database
  • – Multiple Engineers
Get Started
Billed annually
Pro+
£175
per year + VAT  (£14.58/mo)
  • ✓ Everything in Pro
  • ✓ Multiple Engineers
  • ✓ Unlimited Everything
  • ✓ Priority Support
Get Started
Billed annually
FAQ

Frequently asked questions

Everything you need to know about the Gas Safety App.

What gas safety certificates can I create? +

Gas Safety App supports 11 certificate types: CP12 Landlord Gas Safety Records, Domestic Gas Safety Records, Boiler Service Records, Boiler Commissioning Checklists, Gas Warning Notices, LPG Safety Records, Commercial Gas Safety Records, Catering Gas Safety Records, Unvented Hot Water Records, Invoices, and Quotes. Every certificate includes digital signatures and PDF export.

Can I attach flue gas analyser readings? +

Yes. Every certificate type supports photographic evidence and PDF imports from gas analysers and manometers. You can photograph readings, import PDF print-outs from Bluetooth-connected analysers, and attach them directly within the certificate workflow — no more separate paperwork.

Does the app work offline? +

Yes. Gas Safety App is a Progressive Web App (PWA) that works offline. Create and save certificates without an internet connection — they’ll be available the moment you’re back online. Works on any device with a browser.

How much does it cost? +

Plans start at £7.50/month (Lite) with all 11 certificate types included. Pro is £14.50/month with unlimited certificates and accounts. Pro+ is £18.50/month with multi-engineer support. Annual billing gives you 2 months free. No setup fees, cancel anytime.

Is it compliant with UK gas safety regulations? +

Yes. All certificate templates follow the formats required under the Gas Safety (Installation and Use) Regulations 1998. The app is designed exclusively for Gas Safe registered engineers working in the UK.

What devices does it work on? +

Gas Safety App runs in any modern browser on phones, tablets, laptops, and desktops. As a PWA, you can install it to your home screen on iPhone, iPad, Android, Windows, or Mac — no app store required.