Exploring Diversity in Sustainability Assurance Practice: Evidence from Assurance Providers in the UK

Charika Channuntapipat, Anna Samsonova-Taddei, William Turley

Research output: Contribution to journalArticlepeer-review

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Purpose - This paper aims to understand sustainability assurance, and diversity in that practice, by examining assurance providers’ understandings of the practice and the influences that those understandings have on the actual assurance process. It focuses on the issues beyond the content of statements in sustainability assurance reports.
Design/methodology/approach - This paper employs semi-structured interviews, supplemented by textual data sources. Research participants are assurance providers in the UK, including those within and outside the accounting profession. Drawing on the perspective of actor-network theory, the study focuses on the associations between different actors and how those shape the assurance practice.
Findings - The findings indicate that providers’ understandings of sustainability assurance practice vary significantly. This variation has a major effect on how the assurance practice is conducted. The study identifies four types of sustainability assurance engagements, which are designated as: social assurance, integrated assurance, formative assurance and compliance assurance. Such a categorization provides a broad-based understanding of the operationalization of sustainability assurance and the degree of heterogeneity within it.
Originality/value – This paper extends our understanding of sustainability assurance by focusing on the practice beyond the statements made by assurance providers, which have been the predominant focus of analysis in the existing literature, and by offering a categorization of the diversity in practice. The focus on the associations between assurance providers and other actors provides a new perspective for exploring the fundamentals of the practice.
Original languageEnglish
Pages (from-to)556-580
JournalAccounting, Auditing and Accountability Journal
Issue number2
Publication statusPublished - 18 Feb 2019


  • sustainability assurance, assurance provider, actor-network theory


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