ICC Society — Practical guidance on business communication, operations and requirements management for small organisations.

Backing your business: evidence annex (web version)

What an evidence annex is for

An evidence annex is supporting material. It brings together the data, research and analytical context behind a policy or programme so readers can see the basis for the conclusions being presented. For business owners, advisers and researchers, the useful question is not simply whether the annex exists, but what evidence it contains and how that evidence should inform decisions.

Start with the question the evidence is trying to answer

Before pulling out individual statistics, identify the policy or business question the annex is addressing. This helps distinguish background context from evidence that directly supports a conclusion. Read the headings, source notes and definitions together rather than treating isolated figures as self-explanatory.

Check scope, definitions and dates

Evidence can be accurate and still be misused if its scope is ignored. Check which businesses, sectors, regions or time periods are covered, how key terms are defined, and whether the data describes historic conditions or a current position.

Separate evidence from interpretation

Keep the underlying source, the finding drawn from it, and any policy interpretation distinct in your notes. This makes it easier to explain later why a conclusion was reached and prevents an interpretation from being repeated as if it were a raw fact.

Use the annex as context, not as a substitute for business-specific evidence

National or sector-level evidence can help a business understand wider trends, but it does not replace its own financial records, customer data, contracts or operational information. Use the annex to frame questions, compare assumptions and understand the wider environment, then test those observations against evidence from the business itself.

Keep a simple source record

If a figure or finding from the annex is used in a report, proposal or internal decision, record the section, publication date and original source where available. A short source note makes later checking easier and reduces the risk of statistics being repeated without context.

Used carefully, an evidence annex is most valuable as a traceable source of context. Its purpose is to support better-informed judgement, not to provide a generic checklist for unrelated business administration.

Rewritten to remove unrelated tax, funding and fabricated worked-example material and align the page with its evidence-annex topic. — Editor, ICC Society

Frequently Asked Questions

What is the purpose of an evidence annex?

It provides supporting data, sources and analysis behind a policy, programme or set of conclusions so readers can examine the evidence base directly.

Should I use a figure from the annex on its own?

No. Check its source, date, definition and scope first so the figure is not separated from the context that gives it meaning.

Can an evidence annex replace my own business records?

No. It can provide useful external context, but business-specific decisions should still be tested against the organisation's own financial, customer and operational evidence.