Web Design, Mobile App & AI Development in Hong Kong
Your trusted partner, powering your vision. From websites and mobile apps to AI and business systems, VICOSYS turns your vision into working digital products — trusted across Hong Kong since 2007.
Web, App & AI Development Services in Hong Kong.
Website Design & Development
Mobile App Development
System Development & Integration
Digital Marketing Solutions
Hosting & Business Cloud
Website Support & Maintenance
Odoo ERP & CRM Solutions
AI Development & AI Agents
Our Technology Stack
As a premier development house and solution integrator, we harness cutting-edge technologies to deliver innovative, scalable, and business-driven solutions tailored to your needs.








Core Development Platforms
CompareDrupal
Designed for sophisticated websites, with a huge community of contributed modules.
WordPress
The world’s most popular CMS — flexible, user-friendly, ideal for corporate and content-led sites.
Joomla!
Popular CMS for SMEs and corporations; components, modules and plugins extend the system.
Umbraco
Flexible open-source .NET CMS for sites from small campaigns to Fortune 500 apps.
Apple iOS
Native iPhone and iPad apps built in Swift, submitted and supported by us.
Android
Native Kotlin apps for the full range of devices your customers carry.
Why choose VICOSYS
Since 2007
Nearly two decades building websites, apps and systems in Hong Kong — through four generations of CMS, every mobile shift and now AI. The same company, the same accountable team.
80+ clients, blue-chip track record
Over 80 organisations trust us, from RTHK, AsiaSat and West Kowloon Cultural District to Prudential, Hang Seng Bank and Sun Hung Kai Properties — public bodies, listed companies and growing businesses.
One team under one roof
Strategy, design, development, SEO, hosting and maintenance are all in-house. One partner is accountable for the whole product, not four vendors pointing at each other.
Award-winning, accessible work
Hong Kong ICT Awards and iNOVA Award winners, with Gold in the Web Accessibility Recognition Scheme. Every site is built to WCAG standards and delivered in English, Traditional and Simplified Chinese.
Three offices, one network
Headquarters in Kwun Tong, Hong Kong, with sister companies in Taipei and Melbourne, so regional projects run with local knowledge in every market.
Trusted by Hong Kong’s industry leaders.
See our clients










