Executive Summary

The Dynamic Data Exchange Platform (DDEP) is a neutral, secure, and efficient intermediary designed to facilitate seamless data exchange across various industries. Our platform connects diverse supply chain partners, ensuring real-time data updates and standardized formats, thereby enhancing operational efficiency and collaboration.


To build a robust data transfer ecosystem that enhances collaboration, efficiency, and security across all industries, setting a new standard for data exchange.

Improve data exchange efficiency.
Enhance data security and privacy.
Reduce operational costs.
Foster industry-wide standardization.
Our Story
Dynamic Data Exchange Platform (DDEP)

At a4appz Ltd., our journey began with a vision to revolutionize how data is exchanged across different industries. Recognizing the growing complexity and fragmentation in data management, we embarked on a mission to create a platform that would simplify and streamline these processes, ensuring efficiency, security, and compliance.

The Genesis

Our story started within the SIIA group, where we identified a common challenge faced by various industries: the need for a seamless, secure, and standardized method to exchange data between disparate systems. This challenge was particularly pronounced in the relocation industry, where multiple stakeholders, each with their own systems and data formats, needed to communicate and share information efficiently.

The Birth of DDEP

Drawing inspiration from the SWIFT system in banking, which standardizes and secures international financial transactions, we set out to develop the Dynamic Data Exchange Platform (DDEP). Our goal was to create a neutral, independent gateway that could handle data exchange between different parties, regardless of their internal systems and formats.

Building Trust and Compliance

From the outset, we prioritized security and compliance. DDEP is built to comply with GDPR and ISO 27001 standards, ensuring that data is protected and handled with the utmost care. We leveraged Microsoft Azure’s robust cloud infrastructure, hosted in the EU, to provide a secure and reliable environment for data exchange.

Overcoming Challenge

As we presented DDEP to potential supply chain partners, we encountered several concerns:

  • Data Protection: Partners wanted assurance that their data would be secure and not shared with unauthorized parties.
  • Data Ownership: There was a need to clearly define that data ownership remained with the original parties.
  • Industry Standards: Partners sought a standard method for data exchange that could be universally adopted.

We addressed these concerns by incorporating advanced security measures, clearly delineating data ownership roles, and positioning DDEP as an industry standard similar to the SWIFT code.

Expanding Horizons

DDEP was initially designed for the relocation industry, but its potential quickly became evident across other sectors. By using the a4appz brand, we emphasized our commitment to neutrality and independence, ensuring that DDEP serves as a universal solution for data exchange without any conflict of interest.

The Road Ahead

Our journey with DDEP is just beginning. We continue to innovate and enhance our platform, driven by feedback from our partners and the evolving needs of the industry. As we expand our reach, we remain committed to our core values of security, compliance, and neutrality, helping businesses across the globe achieve seamless data integration.

Join us on this exciting journey as we redefine data exchange with DDEP, setting new standards and creating a connected future for all.

Our Team
Vincent Lam
Chairman & CEO
Vincent Lam is the founder of SiiA Group, which consists of a group of companies (SynTech, Innoways, i-RMS, A4appz) focused on innovation and technology.
Liza Cheng
Liza Cheng is a founding member of SiiA Group, with the first company incorporated 30 years ago, which has steadily grown and expanded to currently consist of a group of companies - Syntech, Innoways, i-RMS and A4appz.
Helen Ho
Project Director
Helen Ho joined SiiA Group in 2007 as an art director and has served as a project director since 2013.

Wailey Chan
Design Director
Wailey Chan is a founding member of Innoways. He has over 20 years solid experience in design field, with remarkable working experience with Hong Kong top brands and corporates included the industry of HK press, consumer digital product, mobile service provider, etc. Wailey now is designer director of SiiA Group.
Andy Lo
Account Director
Andy Lo is a Hong Kong born Chinese. Prior moving back to Hong Kong in 2008, he lived in Japan, UK, Switzerland, USA and Sweden for study and work reasons.
Anthony Ng
Anthony Ng
Business Development Director
Anthony Ng serves as the Business Development Director at SiiA Group, a collection of companies (SynTech, Innoways, i-RMS, A4appz) focused on innovation and technology. In this role, he plays a crucial part in driving the development and adoption of cutting-edge solutions, including the Dynamic Data Exchange Platform (DDEP).
Jimmy Cheng
Chief Information Officer, SIIA Group
Jimmy has been an integral part of SIIA Group for over 20 years, leading the company's technological advancements and operational excellence as Chief Information Officer (CIO). Under his leadership, SIIA Group's IT infrastructure has grown to support over 150 employees across global offices in Australia, Hong Kong, China, India, the UK, and Canada. With a dedication to innovation and efficiency, JImmy has ensured the company’s systems and processes are robust and future-ready.
Fai Cheung
Technical Director
Fai Cheung is a Technical Director with over 20 years of experience at SiiA Group. He has been an integral part of the company's success, contributing to innovative projects such as the Digital Label Management System. Fai played a key role in providing services for the Label Management System, Label Ordering System, Auto Artwork, and Direct Print System, which enable customers to easily order and print their labels.
Our Commitment

At a4appz Ltd., our commitment to excellence is the foundation of everything we do. We are dedicated to creating innovative solutions that empower businesses to achieve seamless data exchange and integration. Our Dynamic Data Exchange Platform (DDEP) is a testament to our unwavering dedication to security, compliance, and industry standards.

Security and Compliance

Security is our top priority. We understand the critical importance of protecting sensitive data, which is why DDEP is built with robust security measures that comply with GDPR and ISO 27001 standards. Our platform leverages Microsoft Azure’s secure cloud infrastructure, ensuring that data is stored and exchanged in a safe, reliable environment. We continuously monitor and update our security protocols to protect against emerging threats and vulnerabilities.

Neutrality and Independence

We are committed to maintaining the neutrality and independence of DDEP. By positioning DDEP as a neutral gateway for data exchange, we ensure that our platform remains a trusted intermediary that does not interfere with the data ownership or operations of our partners. We use the a4appz brand to emphasize this independence, providing a clear distinction between DDEP and other systems within the SIIA group.

Transparency and Trust

Transparency is key to building trust with our partners. We provide detailed documentation and regular audit reports to demonstrate our commitment to data protection and compliance. Our agreements and NDAs are designed to ensure that data ownership is clearly defined and respected. We are always open to feedback and strive to incorporate partner input to improve our platform and services continually.

Innovation and Excellence

Innovation drives us forward. We are dedicated to continuously enhancing DDEP to meet the evolving needs of our partners and the industry. Our team is passionate about exploring new technologies and methodologies to improve data exchange processes, making them more efficient, secure, and user-friendly.

Collaboration and Support

We believe in the power of collaboration. Our success is built on strong partnerships with our clients and supply chain partners. We provide comprehensive support throughout the integration process and beyond, ensuring that our partners can fully leverage the benefits of DDEP.