Free guide
Are you paying more than you should?
Discover 10 things to check in your bills and contracts to spot unexpected charges, understand discounts and keep track of important dates.
- Free guide, in PDF
- Practical information for consumers in Portugal
- Simple examples
- Checklist included
- Instant download

What's in the guide
- How to compare this month's bill with the previous one
- Why the amount changed: justified or worth asking about
- When your discounts and promotions end
- How to check your minimum term
- Services and equipment you don't use
- Consumption, meter readings, estimates and adjustments
- When and how prices can change
- Your current conditions compared with the ones you signed up to
- What to do about an unexpected charge, with a template request for clarification
- How to build your contracts calendar
Plus: a checklist of the 10 checks and a contracts map to print.
Who this guide is for
For anyone with telecoms, electricity, gas or water contracts who wants to understand what they are paying, notice changes in time and know what to do when something doesn't add up. No technical language and no legal knowledge needed.
General information, reviewed on 20 October 2026, with the official sources listed in the guide. It does not replace an assessment of your specific case.