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Business impact analysis

Working out which parts of the business matter most, and how long you could manage without them.

Please note: This page explains what a term means. It is general information, not legal, financial, tax or investment advice, and it does not know anything about your business. Before you sign, file or commit to anything, check it with an accountant, a solicitor, or the official guidance we link to.

What it means

A business impact analysis identifies critical activities, the impact of losing them over time, and the maximum tolerable period of disruption.

Why it matters

It is what makes a continuity plan proportionate: without it, everything is either critical or unexamined.

What it looks like in practice

For each activity ask what happens after an hour, a day, a week. The answers rank the activities and set recovery targets — see backup and recovery.

What to watch out for

Analysis that lists everything as critical. If everything is critical, nothing is prioritised.

Where to get proper advice

The NCSC's small business guidance, free.

Where to read more

Last reviewed 2026-08-28 by Fiducia Together · Next review due 2027-08-28

Please note: This page explains what a term means. It is general information, not legal, financial, tax or investment advice, and it does not know anything about your business. Before you sign, file or commit to anything, check it with an accountant, a solicitor, or the official guidance we link to.

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