In the world of consulting, the allure of big names and global brands can be misleading, especially when it comes to trust and accountability. The author, an experienced consultant, delves into the phenomenon of how these renowned firms, often referred to as the Big Four, can sometimes compromise on confidentiality and independence, leading to potential ethical lapses. The article highlights a few notable cases where sensitive information was leaked or misused, such as the PwC tax scandal and the KPMG Lendlease board information breach. These incidents raise important questions about the reliability of these firms and the need for stronger safeguards. The author argues that the issue extends beyond business groups to government agencies and development partners, who often prioritize well-known logos over local expertise and accountability. The author suggests that boards and clients need to take proactive measures to ensure transparency and accountability, such as identifying the contracting entity, resident accountable partner, and overseas teams with data access. They also propose contract requirements for conflict checks, need-to-know access, local data storage, and approval for cross-border transfers. The author emphasizes the importance of qualified local professionals as independent co-leads, chosen by the client, with access to evidence, methodology, and working papers. The article concludes by advocating for a shift from buying accountability by brand to building it through contracts, local scrutiny, and consequences, challenging the notion that global brands are synonymous with reliability and independence.