Contact Us

We are here to help. Our representatives are happy to work with you and look forward to hearing from you. For calls or e-mail outside of office hours we will get back to you as soon as we can.

Existing merchants will have direct and dedicated communication method to contact us 24/7 - contact your account manager for fastest responses.

Please fill in form based question page, our customer service team will follow your requests to provide relevant information when you first signing up with us.

For general inquiry: info@onetransact.com

Office Hours: Monday-Friday (except Hong Kong public holidays)
9:00a.m. - 6:00p.m.

General Information

Unit H 31/F King Palace Plaza, 55 King Yip Street, Kwun Tong, Hong Kong
3708 9369
3708 8789
Tech Supports
it@onetransact.com
Transaction Inquiry
processing@onetransact.com
Other Supports
support@onetransact.com

New Account