The Must-Have App for Gas Engineers – Create, Store & Send Certificates Instantly
Tired of endless paperwork, lost certificates, and admin overload? Gas Certificate App is designed for Gas Safe registered engineers, helping you create and manage digital gas certificates, invoices, and job records in minutes, anytime, anywhere.
Join over 10,000 gas engineers who have gone paperless and streamlined their workflow with the industry-leading gas certification app.
Key Features
Generate Every Industry-Standard Certificate. Access over 25 digital certificates across domestic, non-domestic, oil, and miscellaneous sectors, including:
Landlord Gas Safety Record (CP12)
Non-Domestic Gas Safety Record
Legionella Risk Assessment
Gas Breakdown & Service Reports
Catering & Commercial Gas Safety Records
Oil Firing Installation & Servicing Reports
Work Offline – No Signal? No Problem! Complete and save certificates even without an internet connection. Your data syncs automatically when youre back online.
Faster Invoicing & Estimates
Build professional invoices, quotes, and estimates directly in the app
Track payment statuses and keep your finances in check
Stay Organised with an Integrated Calendar
Schedule and manage jobs effortlessly
Avoid missed inspections with built-in reminders
Keep track of customer visits and repeat business
Secure, Compliant & Cloud-Based. Bank-level encryption to keep your client data safe.
Unlimited cloud storage for all your certificates, invoices, and job sheets. Auto-associates related documents (certificates, invoices, quotes, images) for easy access
Branded Documentation. Make your business stand out—add your company logo and digital signature for a professional touch.
Full Certificate List
Domestic Gas Certificates
Landlord Gas Safety Record (CP12)
Gas Breakdown Record
Gas Service Record
Gas Warning Notice
Legionella Risk Assessment
Gas Boiler Commissioning Checklist
Unvented Hot Water Cylinder Record
Non-Domestic Gas Certificates
Non-Domestic Gas Safety Record
Commercial Gas Safety Record
LPG Gas Safety Record
Leisure Industry Gas Safety Record
Catering Gas Safety Record
CP15 Gas Testing & Purging Record
Oil Certificates
CD/10 Oil Firing Installation Report
CD/11 Oil Firing Servicing Report
CD/12 Landlord Oil Installation Check
CD/14 Warning & Advice Notice
CD/51 Commercial Oil Firing Service Report
TI33D Domestic Oil Storage Tank Risk Assessment
Miscellaneous Certificates
Power Flush Certificate
Job Sheet
Caravan/Boat Safety Record
Mobile Catering Vehicle Safety Record
Installation/Commissioning/Decommissioning Record
Air to Water Heat Pump Commissioning Checklist