This guide explains why law firms are legally required to ask about the source of funds when handling a matter. It reassures clients that firms only collect what’s necessary, keep information secure, and comply with UK anti-money laundering (AML) laws designed to protect both the client and the firm. It also provides practical examples of the documents clients may be asked to supply, along with tips to make the process smoother. You can download it, add your firm’s logo, and use it as a helpful tool when reaching out to clients to identify their source of funds.