The UK's SECR emissions calculator built for compliance teams, finance directors, and sustainability managers — not consultants.
Free to use · No credit card · Data stored securely in the UK
Acme Manufacturing Ltd · FY2024
Emissions Summary
847.3
Total tCO₂e
94/100
Data quality
29.7t/£m
Intensity
Built for UK companies required to report under SECR · Companies Act 2006 · 250+ employees or £36m+ turnover
What you get
Instant calculations
Scope 1, 2 and 3 emissions calculated in seconds using official DESNZ 2024 conversion factors.
SECR-ready narrative
AI-written statutory disclosure text ready to paste directly into your Directors' Report.
Year-on-year tracking
Compare reporting periods, track reduction streaks, and benchmark against your own baseline.
Multi-site support
Break down emissions by site, include business travel, supply chain spend, and WTT factors automatically.
Bulk import
Upload activity data via CSV for multiple organisations at once — no manual entry required.
Shareable reports
Generate a public link to your SECR report for auditors, investors, or the Companies House filing.
How it works
Enter your activity data
Fuel use, electricity, business travel — enter manually or import via CSV. Multi-site supported.
Instant calculation
Scope 1, 2 and 3 computed against official DESNZ factors. WTT emissions added automatically.
Review your report
Full breakdown by scope and site. Data quality score. Year-on-year comparison if prior data exists.
Export & disclose
Download the PDF report, copy the AI-written SECR narrative, or share a public link with auditors.
What people say
Cut our SECR reporting time from three weeks to an afternoon. The AI narrative is indistinguishable from what our consultants used to charge £2,000 for.
Operations Director
Mid-size manufacturing firm, West Midlands
Finally a tool built for UK compliance, not retrofitted from US carbon accounting software. The DESNZ factors are always up to date.
Finance Manager
Property services group, London
The year-on-year comparison chart alone justified the switch. We can now actually show the board a trajectory, not just a number.
Sustainability Lead
Logistics company, 180 employees
Get started today
Free to use. No setup. Your first calculation takes less than 5 minutes.