Buyers are asking more questions
Security questionnaires are now part of most enterprise sales. Each unanswered question slows a deal. A well-run management system answers most of them with evidence you already have.
One system, several demands
ISO/IEC 27001, the NDPA, PCI DSS and SOC 2 overlap heavily. Building one set of controls and mapping it to each requirement is cheaper and calmer than treating each as a separate project.
Show your working
The strongest position is not a badge but a calm, documented answer: this is our risk method, this is how we test, this is what we found and fixed.