Support your suppliers and customers with GHG Accounting.

You need access to emissions data from your value chain. Sumday helps you get it by leading with education (and roping in the accountants, finally).

Suppliers, borrowers and portfolio companies often make up over 90% of your overall emissions. Without primary data, that ~90% is kinda made up. You can't credibly track progress to net zero without it.

Pass on market leading education, training, tools and support to every single company in your value chain with Sumday. True engagement starts here.

Engaging your value chain with (and without) Sumday

Teach everyone how to fish and start getting consistent, audit ready GHG reports from every company, every year - this is the future of accounting.

Sumday provides your customers and suppliers with:

Access to comprehensive GHG accounting training in line with global GHG Protocol so they can start reporting year on year

Access to an Accounting Support team, CPAs and CAs who are ready to answer their questions

Access to Sumday's accounting software to streamline the accounting process if they need tools to get it done

The ability to pass this all on to finance or their external accountant to get it done, with training and support for those best placed professionals to get up to speed

Tutorials that guide the preparation of an audit ready baseline emissions assessment, essential for setting SBTi Net Zero targets

Industry updates on the how and why behind carbon accounting and exclusive webinars

Organisations without Sumday provide companies with:

Nothing; or

A request for suppliers to set an SBTi target with support on how to get there

A CDP request most suppliers don't complete

A form requesting self reported data from utilities and fuel, hoping it's auditable

Three unavoidable truths

Your scope 3 emissions won't reflect your actual value chain unless you can engage and replace averages with actuals.

You can not reduce scope 3 emissions without data from your value chain - no SBTi Net Zero target will actually be reached.

You can't make procurement or investment decisions based on carbon impact without reliable data from your value chain.

Without primary data, you'll be relying on industry averages that are not indicative of your actual scope 3 emissions. Every enterprise platform in the world is relying on this without an affordable way to truly educate and support suppliers, large and small, to improve this over time.

Why provide this support?

It's best practice to take an education and community driven approach to this scope 3 challenge - bring everyone along on the journey

Demonstrate that you have attempted to remove the barriers to accessing primary data in a practical way - something you can disclose

Improve access to primary emissions factors for every customer, supplier or portfolio company that completes their emissions assessment

Reward suppliers that take the steps you desperately need to reduce your own emissions based on auditable evidence of their achievements


If we haven’t answered your question below, feel free to get in touch

Do you offer discounts for NFPs?

Yes! Sumday provides a 50% discount. Just email and let us know a little about your organisation.

Is access to the Sumday Accounting Support team and training included in our subscription?

Yes it is! We're here to help every step of the way. Carbon accounting may be overwhelming to your team members who are doing it for the first time. Sumday is their new best friend, providing training, tips, tricks, support and examples to help your organisation get started in a positive way.

Can Sumday help us communicate the value of carbon accounting to our suppliers?

Yes. You can pass on free access to Sumday to every supplier, to help them get started (in many cases, they won't have a choice but to get on with carbon accounting, so you can add value through this support). Sumday supports you with materials and webinars to communicate the why behind carbon accounting to your supply chain.

How long does it take to train our finance team in carbon accounting?

The Introduction to Carbon Accounting Course consists of 18 chapters, with around 5 hours of videos and worked examples that may take 2 - 3 hours to complete in total. There's plenty of additional reading and notes to review - so the short answer is, it depends. Some people finish the course in a few days, some a few weeks. Taking 20 hours to complete this course wouldn't be unreasonable.

There's no credible way of tracking progress to net zero without working together

Give every supplier, customer or portfolio company the real support they need to get started

Here to help

Whether it’s product or accounting support, we have a dedicated team to guide you through the process. We’re here when you need us.