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GreenBack

You are already buying sustainably sometimes.Nobody is paying you for it.

GreenBack connects to your bank once, spots the certified sustainable purchases you already make, and pays you cashback for them.

  • 28% vs 10%price premium on sustainable goods, versus what shoppers will pay
  • 68%of people we surveyed said cashback would change what they buy

How it works

Connect once. Then forget it exists.

  1. Sunlight through a green leaf1

    Connect

    Link your bank once. Nothing else to do.

  2. A single tree seen from above2

    Verify

    We match what you bought against real third-party certifications.

  3. Forest canopy from the air3

    Get paid

    Cashback lands for every certified sustainable purchase.

Built to be funded by merchants

Sustainable brands already spend to reach shoppers like you. A verified purchase is worth more to them than an ad.

No receipts to photograph. No links to click. Nothing to log.

Our research

A price problem and an information problem. Not an apathy problem.

68% of our survey respondents said cashback would change which product they buy.
GreenBack survey, September 2026 · n = 43 US adults
Sustainable products carry roughly a 28% price premium. Consumers say they will pay about 10% more.
Price premium on sustainable products0%
What shoppers say they will pay0%
Bain & Company, 2025 · n = 14,206 across 8 countries

Purchases are matched against real third-party certifications, including USDA Organic, B Corp and MSC.

The team

Students who kept buying the pricier shampoo, and wondered why nobody noticed.

  • Muhammad

    Co-founder

  • Co-founder

    Co-founder

  • Co-founder

    Co-founder

Early access

Want early access?

One email. We will tell you when GreenBack opens, and nothing else.