The short answer. A growing business needs controls that keep decisions, transactions and evidence reliable as the number of people, systems, suppliers and customers increases. The aim is not to create bureaucracy. It is to identify the risks that could prevent the business from meeting its objectives, assign responsibility, design proportionate checks, keep evidence and correct failures promptly. Informal controls often work while the owner sees most transactions and a small team shares the same information. Growth weakens that visibility. Approvals become less clear, access rights accumulate, reconciliations fall behind and exceptions are resolved through private messages rather than documented processes. At that point, trust still matters, but trust alone cannot show whether a transaction was authorised, recorded correctly and reviewed. Scope: General / International Last reviewed: 24 October 2026 Scope and authority This guide explains internal control as a management...