CA-Open, Your reliable partner for IT solutions.

CA-Open, established in 2019, is a start-up studio for foreign entities and individuals in Hong Kong and Macau, providing custom IT solutions to all kinds of scenario.



By providing strategic and business advisory services, we help our clients to grasp the essence o...

Application Development and Management

CA-Open provides application development and management services such as application development,...

Mobile Application Development

CA-Open has accumulated many years of experience in the field of business and technology reserves...

UX Design

Define user goals and business value, put users at the centre, dig deeper into their needs, and s...

Free Consultation logo

Free Consultation

New clients receive an obligation free consultation.
Modernised System logo

Modernised System

Providing international state-of-art IT technology to build advanced IT system.
Reliable Partner logo

Reliable Partner

Create a strategic partnership with customers for mutual growth and benefit.