HolidayCheck AG operates the biggest independent hotel review and booking portal in the German-speaking area. HolidayCheck enables people to find the ideal hotel to meet their needs, get in touch with others, and book their holiday directly.

HolidayCheck AG's core strengths are its large and constantly expanding hotel rating database with over 10.9 million ratings and almost 12 million private holiday photos and videos as well as travel tips. HolidayCheck also operates an additional major information channel in the form of the largest German-language holiday forum, which encompasses a lively community with over 2.9 million posts.

Since 2021, HolidayCheck has also been offering suitable car rental deals. HolidayCheck Car Rental provides an unbiased comparison of offers from leading international car rental companies and brokers, featuring exclusive deals, discounts, and useful tips for renting a car.

HolidayCheck AG operates its own TÜV-certified online travel agency and works with all the leading travel operators.