Challenge
VEON is a global digital operator providing connectivity and digital services across multiple markets, with operations spanning several countries and business units. As part of its 2025 Integrated Annual Report, VEON asked Challenge Sustainability to strengthen the credibility and robustness of its ESG disclosures by proving assurance across a wide range of topics.
The underlying challenge was not simply data availability, but ensuring that information collected across headquarters and multiple operating companies was consistent, well-controlled and supported by clear methodologies.
In our experience, this is where many global organisations face difficulty — aligning definitions, processes and judgement across diverse operating environments.
Our approach
Challenge Sustainability was appointed as independent assurance provider for VEON’s 2025 Integrated Annual Report, delivering a limited assurance engagement in line with ISAE 3000 (revised).
Our work focused on a defined set of ESG KPIs, including:
Our approach included understanding how data was generated, consolidated and reported across the organisation. In particular, we:
Outcomes
Our assurance provided VEON and its stakeholders with independent, objective confidence in the integrity of its ESG disclosures.
Key outcomes included:
“Challenge Sustainability brought a clear understanding of where our data systems would benefit from additional scrutiny, and worked pragmatically across our operating companies to build a robust audit trail.”