1. TravelPerk
- Headquarters: Barcelona, Spain
- Other office locations: London, Birmingham, Edinburgh, Berlin, Chicago, Boston, Miami
- Number of employees: 1,200
- Funding: Raised a total of US $513 million
2. GetYourGuide
- Headquarters: Berlin, Germany
- Other office locations: 18 global offices, including Vienna, Bangkok, New York City, Dubai, and more
- Number of employees: 700+
- Funding: Raised a total of US $878 million over 11 rounds
3. Tripadvisor
- Headquarters: Needham, Massachusetts, United States of America
- Other office locations: 18 global offices, including New York City, London, Milan, Seoul, Sydney, Tokyo, and more
- Number of employees: 2,845
- Funding: Raised a total of US $303.3 million over 5 rounds
4. Booking.com
- Headquarters: Amsterdam, Netherlands
- Other office locations: Manchester, Tel Aviv, Singapore, New York, Shanghai
- Number of employees: 23,600
5. Hotel Engine
- Headquarters: Denver, Colorado, USA
- Other office locations: Glendale, Colorado
- Number of employees: 500+
- Funding: Raised a total of US $81 million over 2 rounds
6. Lighthouse (formerly OTA Insight)
- Headquarters: London, UK
- Other office locations: Singapore, Ghent, Berlin, London, Dallas, Denver, Sydney
- Number of employees: 500+
- Funding: Raised a total of US $115 million over 6 rounds
7. Airbnb
- Headquarters: San Francisco, California, United States of America
- Other office locations: Los Angeles, New York City, Berlin, Paris, and more
- Number of employees: 6,907
- Funding: Raised a total of US $6.4 billion over 30 rounds
8. Blablacar
- Headquarters: Paris, France
- Other office locations: Madrid, Warsaw, Kyiv, São Paulo
- Number of employees: 600
- Funding: Raised a total of US $565 million over 11 rounds
9. Timeshifter
- Headquarters: Water Mill, New York, USA
- Other office locations: Southampton, New York, USA
- Number of employees: 11-20
- Funding: Raised a total of US $4.9 million over 3 rounds
10. Omio
- Headquarters: Berlin, Germany
- Other office locations: Prague, Beijing, London, New York
- Number of employees: 300
- Funding: Raised a total of US $480 million over 8 rounds