UK Electrical Certification Apps. BS 7671 EICR, EIC, Minor Works, PAT Testing & Gas Safety.
iCertifi is the UK’s most comprehensive AI-powered electrical certification platform for BS 7671 EICRs, EICs, Minor Works, PAT testing, fire alarm, emergency lighting and gas safety certificates. Trusted nationwide since 2012 by sole traders, electrical contractors, local authorities and Network Rail — on iPhone, iPad and Mac.
Fire Safe
Fire extinguisher inspection, servicing and certification for UK fire safety compliance.
Advanced AI Built in. Two hours back on certificates.
AI is built into every iCertifi app. Board Vision, Test Vision, SmartFill, Spark AI and Certificate Guardian replace the slowest parts of making a BS 7671 certificate — so you get home earlier.
iCertifi’s AI electrical certification tools bring AI distribution board scanning, AI test meter OCR, a 24/7 UK electrical regulations assistant and automated BS 7671 compliance checking to every certificate you produce — whether you’re completing EICRs, EICs, Minor Works, PAT tests or Gas Safety records. Learn more about AI for electricians or explore Board Vision and AI appliance scanning for PAT testing.
Free tools from iCertifi
Free online electrical calculators.
Use them now in your browser. No sign-up, no download, no email required. Built for UK electricians, by UK electricians — and free forever.
Calculator
Max Zs Calculator
Check maximum permitted earth fault loop impedance (Zs) values against BS 7671 for MCBs, RCBOs and fuses. Instant results, no sign-up, works in any browser.
Calculator
PAT Testing Risk Assessment
Work out PAT testing retest intervals using the IET Code of Practice 5th Edition risk-based approach. Instant, browser-based, no sign-up required.
iCertifi's free online electrical calculators are open to everyone — no sign-up, no iCertifi subscription required. Use the BS 7671 Max Zs calculator to verify earth fault loop impedance values, or the PAT testing risk assessment calculator to set retest intervals per the IET Code of Practice. More free tools for UK electricians coming soon.
Complete Certification Suite
BS 7671 Electrical Certification Apps & Gas Safety Software
Covering EICR, EIC, Minor Works, EV, Fire Alarm, Emergency Lighting, Landlord Safety Records and full Gas Safety Certificates – designed for iPhone, iPad and Mac.
Continuously updated to current standards
Works Completely Offline
No Internet Connection. Ever.
We do not store your data to “upload later” – far too risky. iCertifi works completely offline.
No caveats, no “sort of needs the internet”.
✓ True Offline Working
Some Of The Brands That Use And Trust iCertifi Electrical Apps
As featured and recommended by
The UK’s Most Trusted Electrical Apps
Built for how electricians actually work. iCertifi is a suite of electrical apps for iPhone and iPad that replace paperwork, books and desktop software. Intelligent features pre-fill data, learn your habits and keep you moving on site.
No syncing. No office trips. Create, complete and send everything directly from site – certificates, reports, records and calculations all happen on your device.
Secure Electrical Software. Privacy By Default
Your data stays with Apple – or never leaves your device at all. Depending on the app, iCertifi either stores data locally on your device or syncs securely across your devices using Apple’s CloudKit – encrypted and protected by Apple’s privacy infrastructure. No third-party servers, no third-party access, ever.
Trusted at every level. From sole traders to Network Rail, local authorities and national contractors – thousands of UK electrical professionals rely on iCertifi apps every day.
Native iOS Electrical Apps That Work Anywhere
No internet? No problem. iCertifi apps are built natively for iOS – not web apps wrapped in a browser. They work fully offline so you can certify on site, in a basement, on a rooftop or anywhere the job takes you.
Fast, fluid, familiar. If you use Apple’s built-in apps you already know how iCertifi feels. No clunky portals, no loading screens – just the full power of your iPhone and iPad working for you.
Advanced Electrical Software For The Modern Electrician
More than just certificates. iCertifi is a complete electrical software suite – from AI-powered features and thermal imaging to circuit design, automated calculations and digital record keeping. Every app is purpose-built for UK electrical professionals.
One ecosystem, every job covered. Whether you need BS 7671 certification, PAT testing, fire alarm inspection or gas safety – there is an iCertifi app designed for it. Explore the full range below.
Support & Bug Reporting
Need help with your iCertifi app or want to report an issue? Choose an option below and our team will be happy to assist you.
Bug Report & Feature Request
Found a bug or have an idea to improve iCertifi? Use the form below to submit a bug report or request a new feature.
Submit Bug Report / Feature Request