Investidores S/A
Finance for founders.
Free tools that help business owners decide with numbers, not guesswork: what to charge, how much to sell, how to protect your cash and how to turn profit into lasting wealth.
Free tools
Calculators
MarkupThe selling price that covers the product, taxes, fees and overhead, and still leaves a profit.Open calculator →Break-even pointHow much your business needs to sell each month to stop losing money.Open calculator →Contribution marginHow much each sale leaves over to pay your fixed costs.Open calculator →
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Our mission
Decide with numbers, not hunches
Running a business means making money decisions every day: the price on a quote, the discount a customer asks for, the next hire, how much to pay yourself at the end of the month. Often without knowing whether the math works.
Investidores S/A exists to shorten that path. Every tool runs on your own numbers and ends in a decision. And the end goal is the same for every founder: turn the company's profit into wealth for you and your family.
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The Friday newsletter
One tool, one number and one real-world case on business finance. A five-minute read, every Friday.
Free. Unsubscribe anytime. Issues are currently written in Portuguese.