Revolut is no longer behaving like a fintech, it is operating like a compounding financial system.

In my latest deep dive, I broke down its 2025 performance and what sits underneath the numbers: £4.5B revenue, £1.7B profit, 29% margin, and a 35% ROE that puts it in a different category entirely.

But the real story isn’t the scale, it’s the structure.

Revolut has built a model where growth, monetization, and efficiency reinforce each other through product velocity, diversified revenue, and a tightly controlled cost base, turning what looks like expansion into a repeatable algorithm.

It’s not one product winning, it’s the system working.

This is what happens when a company stops optimizing features and starts engineering compounding.

samboboev.substack.com/…