Calculated Carbon Footprint, Done for You.
Sustainability experts calculate your full corporate carbon footprint across Scope 1, 2, and 3. Proof AI works behind them, pulling activity data and applying the right emission factors, so you get an inventory aligned to the GHG Protocol, faster. You review and sign off.
Enterprises that already turn proof into progress with Sunhat
Your Corporate Carbon Footprint, Calculated End to End.
Reporting, targets, and customers all want your carbon footprint, and the data sits in a dozen systems. Building it in house means standing up a carbon team you do not have.
Certified experts calculate the full inventory across Scope 1, 2, and 3. Proof AI collects your activity data and applies emission factors, our experts review the methodology, and you get a footprint aligned to the GHG Protocol. You review and sign off.
From First Contact to Finished Proof
Kickoff and scoping
We define your organizational and operational boundaries and the scope of the inventory.
Data collection
We pull your activity data across Scope 1, 2, and 3 from your systems and suppliers.
Calculation and expert review
Proof AI applies emission factors, our experts review the methodology.
Delivery and sign off
You get an inventory aligned to the GHG Protocol, ready for reporting and targets.
Real People. Deep Expertise.
Sustainability experts run every engagement. No subcontracting, no junior teams. They build GHG inventories to the GHG Protocol and know what auditors and rating agencies check.
Proven Performance
"Collaborating with Sunhat enables us to optimally manage our internal processes and ensure the reportability and verifiability of our sustainability data. This forms the basis for facilitating the fulfillment of future reporting requirements."
Explore Other Services
A Footprint Is Rarely the Only Request on Your Desk. The same expert team also covers CDP, EcoVadis, CSRD and more, and your evidence gets reused across every framework. One principle everywhere: you provide documents, we deliver finished proof.
Calculate Once. Use It Everywhere.
Your footprint does not sit in a PDF. It lands in your Proof Library and feeds CDP, EcoVadis, CSRD, and customer requests, so you calculate once and reuse it across every framework, with no rebuild next cycle.
Frequently Asked Questions
Get answers about how our services work, what you provide, and what you get back.
No. Our experts calculate your footprint for you. You provide access to your data, review what we prepare, and give final sign off.
Access to your activity data, such as energy, fuel, travel, and purchased goods, and a contact person. We handle collection, calculation, and methodology.
The GHG Protocol, across Scope 1, 2, and 3, with expert review so the inventory is audit ready.
It depends on how accessible your activity data is. Once the data is in, calculation and review move fast, and the inventory is reusable next cycle.
Get an Audit Ready Footprint, Without a Carbon Team.
You already hold the data. We turn it into a GHG Protocol footprint you can report, set targets against, and reuse everywhere. Book a call and we show you how it would run.
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