To write an executive summary, condense your report into a short, stand-alone section that states the purpose, key findings, conclusions and recommendations. A busy reader should be able to act on it without reading anything else.
This guide explains what to include, how long it should be, how it differs from an abstract or introduction, and how to write one step by step, with a full example from a business report.
What Every Executive Summary Must Include
Include the purpose of the report, the problem or context in a sentence or two, the most important findings, your conclusions and your recommendations, with any key figures a decision-maker needs.
Put the recommendation near the top, not the bottom. Write the summary last, and keep it to about 5 to 10 percent of the report.
What an Executive Summary Is For
An executive summary sits at the front of a business report, case analysis, proposal or business plan. Its reader is usually a manager, client, investor or tutor playing that role, who may read only this page before deciding what to do.
That makes it different from other summaries. It is not a teaser and not a table of contents in prose. It is the whole report in miniature, organised around the decision the reader has to make.
In assessed work, tutors often read the executive summary first and form an early view of the whole report from it. A clear, specific summary signals that the analysis behind it is equally clear; a vague one invites closer scrutiny of everything that follows.
Executive Summary, Abstract and Introduction Compared
| Feature | Executive summary | Abstract | Introduction |
|---|---|---|---|
| Used in | Business reports, proposals, plans, case analyses | Research papers, theses, journal articles | Almost every paper and report |
| Reader | Decision-makers | Researchers deciding whether to read on | Anyone reading the full document |
| Includes recommendations? | Yes, prominently | Rarely | Usually not; it sets up the report |
| Length | About 5 to 10 percent of the report, often one page | Usually 150 to 300 words | Varies with the document |
| Stands alone? | Yes | Yes | No |
What to Include, in Order
| Part | What it contains | Rough length |
|---|---|---|
| Purpose | Why the report exists and who asked for it | 1 sentence |
| Context or problem | The situation or issue the reader needs to understand | 1 to 2 sentences |
| Approach | How the analysis was done: data, methods, frameworks | 1 sentence |
| Key findings | The three to five most important results, with figures | 3 to 5 sentences or bullets |
| Conclusions | What the findings mean | 1 to 2 sentences |
| Recommendations | What should be done, by whom and when, with cost or benefit where known | 2 to 4 sentences or bullets |
Many writers move the main recommendation into the first or second sentence, then explain the reasons. This "bottom line first" approach suits busy readers and is often what business tutors expect.
How Long Should an Executive Summary Be?
A common rule is 5 to 10 percent of the full report. For most student reports of 2,000 to 5,000 words, that means about 150 to 400 words, usually no more than one page.
Long consultancy-style reports may need two pages, but rarely more. If your brief sets a word limit for the summary, follow it; if the summary counts towards the total word limit, check that too.
Length should follow content, not the other way round. A report with one clear recommendation may need only a short paragraph and three bullet points, while a report with several linked recommendations needs room to show how they fit together.
How to Write It Step by Step
- Finish the report first. You cannot summarise findings and recommendations you have not finalised.
- Identify the decision. Ask what the reader must decide or approve after reading.
- Pull out the essentials. Highlight the purpose, the key findings, the main figures and each recommendation.
- Draft freely, one or two sentences per part, without worrying about length.
- Lead with the answer. Move the main recommendation or conclusion to the top.
- Cut. Remove background the reader does not need, methodological detail and repetition.
- Check that it stands alone. No undefined abbreviations, no references to figures or sections the reader has not seen.
- Match the report. Every number and recommendation must appear, identically, in the body.
Worked Example: Business Report Executive Summary
Executive summary. This report recommends that Greenleaf Grocers launch a same-day delivery service in its three busiest city stores in 2027, using a third-party courier rather than its own fleet. It was commissioned to assess whether online delivery could reverse falling footfall.
Analysis of the firm's sales data, a customer survey and competitor pricing shows three main findings:
1. Footfall in city stores has fallen over the last two years, while online grocery demand in the same areas has grown. 2. A majority of surveyed customers said they would use same-day delivery from Greenleaf if fees were comparable to rivals. 3. A third-party courier would cost less to set up than an in-house fleet and could be scaled back if demand is weaker than expected.
The report concludes that delivery is a realistic way to keep existing customers who are shifting online. It recommends a twelve-month pilot in three stores, a delivery fee matched to the main competitor, and a review at nine months against order volume and margin per order before any wider rollout.
The firm and figures are illustrative. Notice that the recommendation appears in the first sentence, the findings are concrete and the closing paragraph tells the reader exactly what to approve and how success will be judged. In your own summary, include the actual figures from your analysis.
Variations by Document Type
- Case study analysis: state the core problem, the recommended option and why it beat the alternatives.
- Business plan: cover the opportunity, the business model, the market, the team, the financial highlights and the funding sought.
- Project proposal: state the problem, the proposed solution, the cost, the timeline and the expected benefit.
- Research or consultancy report: give the question, the method in a line, the key findings and the recommendations.
- Policy brief: lead with the policy recommendation and the evidence that supports it.
Style and Formatting Tips
- Use plain, direct language and the active voice: "We recommend" or "The firm should".
- Use short paragraphs, and bullets for findings or recommendations where your brief allows.
- Give the section its own heading, "Executive Summary", and place it after the title page and before the contents page.
- Avoid citations in the summary unless your tutor asks for them; the full report carries the references.
- Write numbers precisely and consistently with the body of the report.
Read it aloud as if you were briefing a manager in a lift. If it sounds vague or wanders, cut until every sentence carries a fact, a conclusion or an action. Then ask a friend to read only the summary and tell you what the report recommends.
Common Mistakes to Avoid
- Writing it first: it then describes the report you planned, not the one you wrote.
- Burying the recommendation at the end of a long paragraph.
- Too much background and too little on findings and actions.
- Vague findings, such as "sales have been affected", with no figures.
- New information that does not appear in the report.
- Copying sentences from the introduction instead of summarising.
- Going over length, so it stops being a summary and becomes a second introduction.
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Frequently Asked Questions
About 5 to 10 percent of the report, usually one page or less for student reports. Follow any limit in your brief.
After the title page and before the table of contents, at the very start of the report.
Yes. Recommendations are usually the most important part and often appear in the first lines.
An executive summary is for decision-makers and includes recommendations. An abstract summarises research for other researchers and usually does not.
Often yes, for findings or recommendations, unless your tutor asks for continuous prose.
It depends on the brief. Many tutors exclude it, but always check.
Last. It must reflect the final findings and recommendations of the report.
Key numbers belong in the text. Small tables are occasionally used, but most summaries rely on concise sentences and bullets.