High, Rising EBITDA MarginsNarrow moat

The headline evidence of Adyen's profitability is its EBITDA margin: above 50% and rising, reaching 53% in 2025 and guided above 55% by 2028¹. For a company still growing net revenue at around 20% a year, margins at this level are exceptional — the signature of powerful operating leverage, where revenue grows faster than the largely-fixed costs of running the platform, so an ever-larger share of each incremental euro falls to profit. This margin profile is what makes Adyen not just a fast-growing company but a genuinely, substantially profitable one, and it is a direct expression of the single-platform, scale, and cost advantages that underpin the whole moat.

Rising margins on continued growth are the hallmark of a high-quality compounder, and they distinguish Adyen sharply from the many fintechs that grow without profit. The operating leverage is real and structural: as Adyen's volume and net revenue grow on a platform whose costs rise more slowly, profitability compounds, funding reinvestment and returns simultaneously. The reservation is that the margin is not untouchable — the 2023 scare, when Adyen stepped up investment and the EBITDA margin fell toward the mid-40s, showed that a phase of heavier spending or slower growth compresses it, and that the market, having come to expect ever-rising margins, reacts violently to any reversal. The margin depends on sustained growth delivering operating leverage, and on investment staying measured. The high and rising EBITDA margin is a genuine, distinguishing strength and the clearest proof of Adyen's quality and its moat's economic value; but it is a margin earned through sustained growth and disciplined investment, not a fixed entitlement — powerful and structural, yet sensitive, as 2023 showed, to the pace of growth and the intensity of the reinvestment the competitive market demands.