You're on a mission. So are we.

Sumday is for the organisations willing to be held accountable to the people they serve. The ones pursuing better, faster decisions that put people first.

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What we do

Judgment is the highest form of currency. We build the conditions for it.

Every decision has financial, social and environmental consequences. Sumday's products and services help you decide well.

Less process. More judgment. Our procurement product moves decisions from business case to approval, with the right governance built in and the admin taken out.

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5 May 2026

Why we built Sumday Projects

Over budget. Over time. A business case that looked solid in February and by July nobody can quite remember the original rationale for. Generally someone has left by then and we can conveniently blame them for the current state.

CompanySoftware

Sumday

1 April 2026

Sumday and Xero: Better Together

Xero is used by over 4.5 million small and medium businesses globally. As of April 2026, every single one of them now has access to free carbon accounting tools through our continued partnership.

SustainabilityXero

Sumday

5 May 2026

The Cheat Code to a Better World: Accounting, Procurement and Accountability Changes Everything

When you think about what it will take to save the world, you probably picture breakthrough technologies, sweeping political reform, or grassroots activism.

Thought Leadership

Lindsay

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