Software tools for BIA

Answer: Only some activities related to ISO 22301 can be semi-automated (e.g., control of documents, controls measurement, etc.). Being a management system, ISO 22301 still requires some human intervention to analyse and evaluate information, including performing BIA, so for small and mid-size business we do not recommend nothing more complex than a spreadsheet to help organize information needed for BIA.

This article will provide you further explanation about automated tool:
- When to use tools for ISO 27001/ISO 22301 and when to avoid them https://advisera.com/conformio/blog/2021/06/24/toolkit-vs-conformio-which-is-more-applicable-for-my-company/