A4Advisory

About A4Advisory

A4 Advisory is a consulting and technology company specializing in the strategic development and implementation of secure, scalable, and interoperable digital identity solutions. The company partners with governments, enterprises, and technology providers to design and deploy advanced identity systems that address the evolving needs of the digital economy.

With deep expertise in digital identity systems, A4 Advisors help clients navigate regulatory complexities, ensure compliance with industry standards, and adopt innovative technologies. The company’s advisors are actively contributing to significant global initiatives, including the Austroads Digital Trust Service for Verifiable Credentials and the European Digital Identity Wallet (EUDI Wallet), which will serve over 440 million European citizens.

A4 Advisory is a leader in international standardization, with its advisors playing a key role in ISO/IEC working groups focused on digital identity, including ISO/IEC 18013-5, ISO/IEC 18013-7, and others.

The company offers a comprehensive range of services, including expert advice, multi-ecosystem design, trust model development, certification framework design, RFI and RFP support, training, and market research.

Through its extensive expertise, global partnerships, and the ongoing contributions of its advisors, A4 Advisory is shaping the future of digital identity systems that empower organizations and users worldwide.

Keywords

• Advisory
• Digital Identity

Address

• Headquarters

  LeidenZuid-Holland, Netherlands

Team by function

Based on 3 public job profiles as of 3 September 2026.

• Consulting / Advisory3