In my quest to find the best marketplace for travel agencies, I've come across several platforms that cater to different needs. Some of the top contenders include Expedia, Booking.com, and TripAdvisor, each offering unique features and benefits. Expedia and Booking.com are great for finding accommodation and transportation deals, while TripAdvisor excels in providing reviews, recommendations, and local experiences. Ultimately, the best marketplace depends on the specific needs and preferences of a travel agency. However, a combination of these platforms can help them offer comprehensive and competitive packages to their clients.