There’s no one-size-fits-all pricing model, but there’s a common principle: value-driven pricing based on the client’s size, complexity, and expectations.
Let’s be honest, very small businesses usually won’t pay thousands for carbon accounting - that's why Sumday and Xero have teamed up to make the software free for them too. You can still add and receive value, as set out below. But for many mid-market and enterprise clients, there’s real budget, urgency, and opportunity.
Small clients:
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Often light-touch, low or no fee or impact-driven
For very small clients, you might include carbon in a higher-tier service plan. Otherwise, letting them know they can set up a profile and run a quick estimate makes a lot of sense. -
When they will pay: Clients focused on marketing sustainability credentials, tenders, or selling to large companies are often willing to pay for help ensuring they’re credible and compliant in what they say.
Medium to large clients:
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Baseline engagements: Fixed fee or hourly for full emissions calculations and reporting, Sumday can help you estimate the time involved to price your first few engagements, just reach out. Fees often range from $5k - $50k, increasing with the complexity of the business, number of entities, FTEs, turnover etc.
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Implementation: $3k – $15K to get clients set up with software and processes they can maintain. Sumday won't charge implementation fees if you do this - so we'll provide resources and guides on how to do this well when you first get started.
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Monthly services: Bundled into retainers, tiered packages, or added to management reporting services.
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Audit: Firms are offering assurance services while referring clients to Sumday for implementation and systemisation.
Why Sumday makes this viable:
Traditionally, clients felt they had to choose between paying for software or paying for advice. That’s a lose-lose: either the advisor is squeezed out, or clients rely on Excel—risking poor outputs and audit issues.
Sumday is priced to leave margin for firms delivering great service. You stay in the relationship, lead the client, and use the platform to scale your impact.
🔍 Next Steps: Want to Go to Market with Carbon as a new revenue stream?
Start by identifying 10 clients likely to benefit. Good indicators:
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Revenue >$10M
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Selling to companies >$50M
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Tendering
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Values-led or sustainability-conscious
Then reach out to your account manager or support@sumday.io and we’ll help you craft a joint proposal, fee structure, and delivery plan. Want to simply refer clients instead? Just let us know. We’ll support the model that works for you.