Booking Holdings is the world's leading online travel agency (OTA) group. Behind its brands Booking.com, Priceline, Agoda and Kayak, the group runs a single mechanism, a platform connecting more than 4 million properties with travellers around the world. That position makes it one of the most profitable players in the sector, and one of the most resilient. The thesis fits in one sentence: a highly profitable company that competitors find extremely hard to dislodge.
The group's story begins in 1997 with the founding of Priceline.com in the United States. But its success owes most to a remarkably well-executed string of acquisitions. The real turning point came in 2005, when Priceline bought Booking.com in the Netherlands for just 135 million dollars. In hindsight, it stands as one of the most profitable acquisitions in tech history, as that Dutch subsidiary went on to become the group's engine.
The momentum didn't stop there. Agoda in 2007 gave the group its foothold in Asia, Rentalcars.com in 2010 added car rentals, then Kayak in 2013 and OpenTable in 2014 (restaurant reservations) expanded the ecosystem beyond hotels. In 2018 the group formalised the shift, Priceline dropped its name to become Booking Holdings, with the European brand now accounting for nearly 90% of revenue.
An asset-light business model
Booking's business is simple to grasp. The company owns no hotels, no rooms, no planes. It simply connects more than 4 million properties with travellers, taking a commission of around 15% on each booking along the way. That's the whole point of a so-called "capital-light" model, growth requires almost no heavy investment.
This business operates in two ways. In the historical "Agency" model, Booking merely acts as an intermediary. The traveller pays the hotel directly, and the platform collects its commission once the stay is completed. In the "Merchant" model, Booking collects the customer's payment itself, then passes the hotel's share on to it.
And this is precisely where a fundamental shift is playing out. In 2022, the Agency model still dominated, with around $8.9bn in revenue versus $7.2bn for the Merchant model. The balance flipped as early as 2023, then the gap widened quickly. In 2025, the Merchant model reached nearly $17.7bn while the Agency model fell back to around $7.9bn. In just a few years, Merchant revenue has more than doubled while Agency revenue declined. This shift matters, because the Merchant model is also what strengthens the group's competitive advantage, as we'll see.
Geographically, the bulk of activity sits in Europe and Asia. These are markets where the hotel landscape is highly fragmented, dominated by independents that lack the scale or the means to attract an international clientele on their own, for them, a platform like Booking is vital. In the United States, by contrast, penetration remains low, because the market is held by the large chains that push their own booking channels. That's both a geographic weakness and a still largely untapped growth reserve.
A position that's very hard to attack
The shift to the Merchant model gives Booking a very concrete advantage, on three fronts. First, by handling payment itself, the group takes fees on the transaction and captures a margin on currency exchange when the traveller pays in another currency. Second, it collects the money at the time of booking but only passes the hotel's share on after the stay, often several weeks or months later. In between, it holds considerable cash, an almost free cash reserve it can invest. Finally, by controlling payment, Booking can bundle several services into a single booking, hotel, flight, car, paving the way for its "Connected Trip" strategy, which we'll return to.
But the essential point lies elsewhere, through payment, Booking places itself directly between the hotel and the traveller, and moves closer to the end customer. That proximity is becoming a major strategic stake at a time when a genuine war of interfaces is opening up. With the arrival of artificial intelligence, the question is no longer just about listing hotels, but about who will own the point of contact with the traveller, the one through which they search, choose and pay. Already holding the payment relationship and the brand, Booking starts with a head start to remain that point of contact, and becomes an increasingly hard player to dislodge. Where the Agency model left it on the sidelines once the booking was made, the Merchant model installs it lastingly at the centre of the transaction.
Booking also dominates by sheer size. In Europe, its historical market, the group holds around 71% of the OTA segment. That position is self-reinforcing through a powerful network effect: the more properties the platform lists, the more travellers it attracts, and the more travellers it attracts, the more properties have an interest in being listed. For a newcomer, replicating this dynamic is very costly, all the more so as twenty years of relationships with hoteliers have created ties that are hard to undo.
Then there's brand and trust, which weigh more than one might think. If you book a hotel on the other side of the world, you're better protected going through Booking than going straight to the site of a small establishment you don't know: secure payment, refund guarantees, customer service if something goes wrong. That peace of mind has real value.
On top of this comes the Genius loyalty programme. The principle is simple, the more a traveller books, the more permanent perks they unlock, discounts, free breakfasts or room upgrades. The benefit for Booking is twofold. The traveller has every incentive to stay within the ecosystem to keep their privileges rather than shop around elsewhere, and that loyalty increases the share of bookings made directly, which reduces the group's dependence on acquisition advertising.
Aligned, disciplined leadership
At the head of the group, Glenn Fogel has known the company for a long time. A former investment banker, he joined the group in 2000 and, as head of strategy and then development, led the major acquisitions that shaped it, from Booking.com to Kayak by way of Agoda and OpenTable. He became CEO in 2017. He now holds around 100 million dollars' worth of Booking shares, his personal fortune is largely tied to the share price, which aligns his decisions with shareholders' interests. The one real reservation is his pay, around 35 million dollars in 2025, which remains high. The point is worth noting, but it carries little weight against the cash the company generates and the quality of its management.
That discipline shows in how he manages cash. Booking's model requires little capital, so the company generates a large surplus each year once its investments are made. Fogel doesn't squander it, he reinvests in growth what needs reinvesting, avoids reckless acquisitions, and returns the rest to shareholders, through share buybacks and, since 2024, a dividend. That's the hallmark of a good capital allocator, and we'll see the figures further on.
Fogel's strategic vision rests on three pillars. The first is reinforcing the Merchant model, already described above. The second is the "Connected Trip", covering the whole journey within a single platform, accommodation but also flights, car rental, restaurants and on-the-ground activities. The volumes give a sense of what's already in place. Over 2025, the group recorded 1.2 billion room nights, 68 million flight tickets, 88 million car rental days and more than 600 million diners through OpenTable. These "connected" transactions, combining several services for the same traveller, are growing at around 20% a year. Each added building block strengthens proximity to the customer. The more steps of the trip Booking handles, the more useful, and the harder to bypass, it becomes.
The third pillar is artificial intelligence, which Booking places at the heart of this vision. It's the direct extension of the war of interfaces mentioned above, AI should help the traveller plan, choose and book their entire trip in one place, letting Booking remain the preferred point of contact rather than being bypassed by another player.
This diversification is already showing in the numbers. The flights business, launched in 2019, reached 68 million tickets in 2025, and is still growing at 28% a year. Alternative accommodation, the apartments and homes that compete directly with Airbnb, is growing faster than the traditional hotel business. Booking is therefore not stuck on its core business: it is methodically expanding its playing field.
The proof is in the numbers
Over ten years, Booking's revenue has grown by around 11% a year and free cash flow by 12%, with remarkable consistency.
The most telling figure lies elsewhere, free cash flow per share is growing 17% a year, far faster than free cash flow itself. The gap comes from share buybacks. By cutting its share count by around 4.4% a year, Booking mechanically lifts earnings per share. It's this combination of growth and buybacks that rewards the long-term shareholder.
Profitability confirms the picture. ROIC exceeds 45%, an exceptional level made possible by an asset-light model where capex accounts for only 2% of revenue. The free cash flow margin is stable at around 33%, and cash conversion reaches 130%, driven in particular by the Merchant model, where Booking collects payments before settling with hotels. Finally, debt remains low and well managed.
One point deserves attention, the trend in the operating margin. It has declined over ten years from its peak, around 40% in the mid-2010s. Two structural explanations. The first is the shift from the Agency model to the Merchant model. In the Agency model, the hotel collected from the customer and paid Booking a commission, which produced very high margins. By now handling payments itself, to standardise the customer experience and roll out the Connected Trip, Booking bears substantial banking and processing fees that weigh on the operating margin. The second is diversification toward lower-margin products, flights and alternative accommodation, useful for covering the whole traveller journey but far less profitable than the traditional hotel room.
This decline, however, is nothing like a continuous slide. Setting aside the Covid parenthesis, which brought travel to a standstill and collapsed margins in 2020 and 2021, the operating margin bottomed out at around 30% in 2023 before clearly rebounding, to more than 35% in 2025. Several forces support it. A large cost-cutting programme, launched in late 2024, targets 500 to 550 million dollars in annual savings and has so far delivered only part of its effects. Marketing spend relative to bookings is also falling, a sign of more efficient customer acquisition. And the free cash flow margin has stayed stable at around 33% throughout. The compression in the operating margin is therefore worth watching, but it doesn't reflect a deterioration of the model.
Risks to watch
The first risk is competitive and direct. In its core business, Booking faces Expedia, the other big global OTA, and above all Airbnb in alternative accommodation. Airbnb has established peer-to-peer rentals as a credible alternative to hotels, in a segment where Booking was historically less present. The threat is real, but the group is responding by developing its own alternative-accommodation offering, which is growing faster than its hotel business.
The second risk, more structural, comes from the players upstream of the booking. Google first, its search engine captures travel intent before Booking, steers traffic through Google Travel, and remains the group's main advertising channel. OpenAI and generative AI next, if travellers start planning and booking their trips by chatting with an assistant, it's the booking interface itself that could be bypassed. That's the real long-term threat: being disintermediated, relegated to a mere inventory supplier behind a layer of AI that owns the customer relationship.
Faced with these two threats, Google upstream and AI as a future interface, the whole challenge for Booking is to reduce its dependence on intermediaries by becoming the traveller's first point of access itself. And its indicators are improving in that direction, year after year. The share of direct bookings, those where the traveller comes on their own to the platform without clicking on an ad, keeps rising, it has gone from a little over 50% to around 55% in a few years. In parallel, marketing weight, that is, advertising spend relative to booking volume, is falling steadily: 5.15% in 2019, 4.94% in 2022, 4.50% in 2023, 4.40% in 2024. In other words, Booking spends less and less to attract its customers, which protects its margins and reflects the strength of its brand. The share of bookings made through the mobile app follows the same path, rising from nearly 50% in mid-2023 to around 55% in mid-2025. And a booking made on the app is by nature direct: it costs nothing in acquisition, and it anchors the traveller within Booking's ecosystem, which can then re-engage them through notifications and build loyalty for future trips. The more the group establishes itself as that direct point of access, through its brand, habit and the Genius programme, the less it depends on Google and the less exposed it is to disintermediation by AI.
When it published its latest results, CEO Glenn Fogel was asked by an analyst about this risk of disintermediation by artificial intelligence. His answer sums up the company's defence.
"There's a lot of discussion about whether the OTAs are going to be disadvantaged in the future by large language models entering the space. [...] You brought up the right question about being a merchant of record. That's really hard. That requires a lot of things. Almost 90% of our accommodation business comes from either independent hotels or homes, alternative accommodations, small brands. Those are not sophisticated players at all. You've got to establish connectivity with them to get that availability, that pricing, that inventory, and be able to keep it up because it's always changing. [Today], we have over 4 million properties that we have to deal with all the time, and we have to keep that constant. So that's really complex and hard to do, but we do it, with several thousand people who are our partner-services people. It's not as though you just put it up and all of a sudden it works.
And then you get into the area of payments. To be merchant of record [...] is really complex, and we have over 100 different payment methods and more than 50 currencies. Why is that? Because the supplier has no idea how to take these strange payments that the customer wants to give, and the traveler wants to pay in a certain way. That's another layer of complexity that, in my opinion, the large language models are not going to want to enter. And, just so you know, regulation on payments is tremendous. In fact, there's regulation on everything. Just in Europe, you've got the combination of abbreviations you have to deal with: DSA, DMA, DFA, EU AIA, P2B, DAC 7, and I can go on and on. And that's just the EU. On top of that come the national regulations, across more than 200 countries. So do I think the large language models that are entering want to go down the funnel? I don't think so. And even if they did, the real question is whether the customer will want to be there. Many travelers come to us directly, simply because they find value in using us. We've been competing for a long time with a very big top-of-funnel player, Google. People go there, but then many of them come to us directly. Google has done very well with its advertising auction, and we've been more than happy to pay for it. It's worked out well for them and for us. Some of these large language models may decide that's the right approach, stay at the top, don't become merchant of record, don't deal with the day-to-day mess. Successful for us, successful for them. That, in my opinion, is how it will end up."
Fourth-quarter 2025 earnings call.
That leaves regulatory risk. Since 2024, the European Digital Markets Act designates Booking as a "gatekeeper" and has banned the parity clauses that prevented hotels from showing lower prices on their own channels. This opens the door to a gradual erosion of commissions, and precisely in the European market where the group is most dominant.
Outlook
Booking sums up its outlook in a long-term growth target, what it calls its "growth algorithm". The group aims for around 8% annual growth in gross bookings and revenue, and close to 15% in earnings per share.
This target rests on two complementary drivers. The first is external to the group. The global travel market, estimated at more than 3 trillion dollars, keeps growing, and an ever-larger share of bookings is moving online rather than through traditional channels. Booking therefore benefits from a groundswell that lifts the whole sector.
The second driver depends on Booking itself. The group is broadening its offering, from hotels toward alternative accommodation and flights, to capture a larger share of the trip. It is strengthening customer loyalty through the Genius programme, its app and artificial intelligence. And it is improving profitability by attracting more customers directly and keeping its fixed costs in check. Above all this, the Connected Trip remains the long-term ambition meant to tie all these pieces together.
The gap between this 8% revenue growth and this 15% earnings-per-share growth sums up the value-creation mechanism. Margin improvement and share buybacks turn moderate business growth into far stronger per-share growth. That's exactly what the group has demonstrated in the past, and what management is aiming for going forward.
Conclusion
Booking Holdings combines most of the hallmarks of a very high-quality company. Its model requires little capital, generates enormous cash, and posts a rare return on capital, above 45%. Its dominant position in Europe, its network effect, its brand and its loyalty programme form a competitive moat that's hard to cross. Management is experienced, aligned with shareholders, and disciplined in its use of capital.
Not everything is without nuance, though. The operating margin remains below its peak of ten years ago, under the effect of the Merchant model and the newer activities, even if it has been recovering for two years. European regulation weighs on commissions, and the threat of disintermediation by artificial intelligence remains the great unknown of the coming years. Booking is responding by moving ever closer to the traveller to become their direct point of access, and the numbers show that this strategy is working for now.
Sources
Booking Holdings, investor relations (ir.bookingholdings.com), annual reports, investor presentations and quarterly results.
Booking Holdings, fourth-quarter 2025 earnings call (18 February 2026), for Glenn Fogel's remarks.
Macrotrends, TIKR and Zonebourse for the ten-year financial data.