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Company records / sumday.io

Sumday

Sumday (sumday.io): no confident changes recorded yet; website history since November 2026. Homepage last checked 6 November 2026.

First recorded website

Observed 6 November 2026

Our earliest capture with readable facts. This is our first observation, not when the company introduced these things. These website claims are not independently verified.

How it described itself

AI Native Software for Sustainability and Procurement

Sumday builds tools for organisations who care about the impact of their decisions on people and the planet. Check out our carbon accounting and procurement tools.

All facts above belong to this capture. Unlisted fields mean we have no readable observation, not that they were absent.

Recorded changes

Newest observations first. Each interval bounds when the website changed; it is not an exact event date.

No changes recorded yet. Missing observations do not mean the company has not changed.

How it describes itself

Similar headlines are grouped together. The quote shown is from the last capture in each group, not necessarily the exact wording throughout that period.

  1. Seen November 2026 · 1 capture · latest observed messagingAI Native Software for Sustainability and Procurement

    Sumday builds tools for organisations who care about the impact of their decisions on people and the planet. Check out our carbon accounting and procurement tools.

    This wording observed 6 November 2026.

Cite this record

StartupHistory, “Sumday” company record, https://startuphistory.org/c/sumday.io

Machine-readable: /c/sumday.io.json. How changes are found: method.