The market power is the term used to describe how powerfull is one company when it comes to price control of the some market. The market of the taxi carriers of Croatia is in the constant upwards trend which is supported by the facts that in the span from 2007 and 2018 the number of taxi carriers has grown more than 46 times. To be precise in the 2007 there was 18 taxi carriers in Croatia and by the 2018 there was 838. Also, the number of employees in this sector has grown from 44 in 2007 to 1404 in the 2018. The three carriers that have the most market share of all of the taxi carriers are: Eko prijevoz d.o.o. with 6,45%, Antonela prijevoz j.d.o.o. with 6,29% and Mirage, obrt za autotaksi prijevoz, vl. Z. Brnada with 4,07% of market share. Liberalization of the taxi market has resulted in plummiting of the market power by the local monopolists. The market power in the conditions of the liberalization is very weak which is supported by the calculated Herfindahl-Hirschman's index. Also, liberalization has brought many changes which had many postive impact on the whole market. Some of the changes are: freedom of entering and exiting the market, reduced fares for the rides, the customers have much better and more affordable service, easier to call for a ride because of developed mobile apps. All of the mentioned changes has impacted the carriers to provide as better service as they can for as low price as possible in order to stay on the market and have a positive result.