NEBIS.AI / GUIDES AND TOOLS
Guides and tools, checked against the source.
Plain-English guides to the rules Singapore audit firms and businesses work under, and tools that apply them. Each one links to its source and shows when it was last checked.
For audit firms
Guides.
ACRA's guidance on AI in audits
Audit Practice Guidance No. 1 of 2026 explained: the five areas and what a firm should do now.
Read the guide →
What ACRA's inspections find
The most common PMP findings, at engagement and firm level, and what to do about each.
Read the guide →
Preparing for an ACRA inspection
Practice review and quality control review: the process, the outcomes, the orders and a checklist.
Read the guide →
SSA 230 and the 60-day file
When the audit file must be assembled, what may change before and after, and how long it is kept.
Read the guide →
The AI Operating Playbook
Putting AI to work in a Singapore business without putting compliance at risk.
Open the playbook →
For businesses
Tools.
Audit exemption checker
Does your private company need an audit? The small company test, the two-year rule and the group test.
Check now →
Filing deadline calculator
ECI, AGM or financial statements to members, the annual return and Form C-S, from your year end.
See your dates →
A question the guides don't answer?
Tell us what you need, for your firm or your business.