Client portals replace email attachments with a controlled channel. Clients see their own requests, upload documents against them, send secure messages, sign engagement letters, and download results the firm has released. Staff see what has arrived and what is still outstanding.
A well-built portal enforces strong sign-in, shows clients only what has been granted to them, keeps internal notes separate, and records every upload and release. For professions handling sensitive data, it is one of the most effective security improvements available.