Tidewater Finance

Case study

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Product

Tidewater

A cash-flow planner that shows independent shop owners what next month looks like, in plain numbers.

Role

Lead product designer

Timeline

2026 · 14 weeks

Tools

Figma, React, Framer


The problem

Shop owners were running their businesses out of three spreadsheets and a banking app. Most only noticed a cash crunch after it had already arrived.


The approach

I spent two weeks behind the counter at six shops in Lisbon and Porto, then prototyped a single forecast screen that answers one question: will I be fine on the 1st?


The outcome

The beta opened to 1,200 shops. Weekly use held at 71% after three months, and support tickets about forecasting dropped by half.

Live at tidewater.app

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