You can contact us primarily by e-mail.

Company details: 
Portum Lines Llc. 
Seat address: Kazinczy u 35., 1075 Budapest (no customer service)
Phone:  +36/20-265-77-55 (weekdays 9am to 5pm) Before placing a call please refer to our Frequently Asked Questions (FAQ).
email: (customer service regarding boat cruises, tickets)
Company Registry No.: 01-09-190451, Fővárosi Törvényszék Cégbírósága
Tax No.: 24938284-2-42
Webservice provider: Veres József, Toldi utca 52., 4400 Nyíregyháza ;; ;
Registration No. at the Hungarian Data Protection Authority: NAIH-75389/2014., NAIH-75390/2014., NAIH-75391/2014.