Monthly marketing report KPIs: what to include

A useful monthly marketing report has a one-page decision summary and a handful of business KPIs: revenue or qualified enquiries, cost of a new customer, conversion rate and margin after ad spend. Each figure is set against last month and against target, explained briefly, and followed by two or three actions for the month ahead. Impressions, likes and followers appear only as context.

What a monthly marketing report is for

A report does not exist to prove that work was done. It exists to answer three questions: what happened, why it happened and what we do differently next month. If you cannot decide anything after reading it, it was an archive of numbers, not a report.

Reports often suffer from two problems: twenty-page documents with a chart for every platform and no conclusion, and reports that show only what went up. An honest report also shows what fell, what could not be measured and what remains unclear.

As a principle, the report starts from the goals of the business, not from what the platforms display. If the target is more qualified quote requests, the spine of the report is the number and cost of those requests, not the likes on the last few posts. Everything else serves as explanation.

Business KPIs versus vanity metrics

“Vanity” describes metrics that look good but say nothing about money: easy to raise, hard to tie to results. They are not useless, because they can explain a change, but they should not sit at the centre of the report.

Area	Business KPIs (at the centre)	Context metrics (in the appendix)
Sales	Revenue, number of orders, average order value, margin	Product views, add-to-basket events
Lead generation	Qualified enquiries, cost per qualified enquiry, enquiry-to-customer conversion rate	Total form submissions, clicks
Paid ads	Cost of a new customer, ROAS, attributed revenue	Impressions, CTR, cost per thousand impressions (CPM)
Website	Conversion rate, conversions by source	Sessions, page views, bounce rate
Social media	Visits to the site, relevant enquiries or messages	Likes, followers, reach
Email	Revenue or enquiries from email, unsubscribes, click rate	Open rate (indicative)

A simple rule: if a number can rise without revenue rising, it is a context metric. Follower counts can climb after a giveaway without a single extra customer. Email open rate is more fragile still, because privacy features in mail apps can inflate it, so treat it as a hint, not as proof.

Which KPIs to choose for your type of business

There is no universal list. Choose between five and eight indicators, each of which you can explain in one sentence. More than that usually means you have not chosen.

Online shop: revenue, orders, conversion rate, average order value, cost of a new customer, margin after ads. For basket recovery, see also our article on abandoned carts.
Services with quote requests: number of enquiries, share that are qualified, cost per qualified enquiry, sales close rate. The last comes from your CRM or from a sheet kept by the sales team.
B2B with a long cycle: meetings booked, open opportunities, opportunity value and average time to decision.
Local business: calls, requests for directions, bookings and new reviews.
Subscriptions or recurring revenue: new customers, churn rate, monthly recurring revenue.

A hypothetical example: a shop spends 800 EUR on ads in a month and gets 40 new customers. The cost of a new customer is 20 EUR. If the average order value is 45 EUR and gross margin is 40%, one order leaves 18 EUR. On the first order the shop loses 2 EUR, so the report must also show how often customers return. Otherwise the 20 EUR figure does not tell you whether it is good or bad. For calculations like this, use the LTV and CAC calculator.

The structure of the report, page by page

A short report gets read. A long one gets filed. The structure below fits into four to six pages or slides, plus an appendix.

Summary (half a page): three sentences about last month, in language a non-specialist would follow: what worked, what did not, what we will do.
KPI panel: five to eight indicators, each with this month’s value, last month’s, the same month last year (if available) and the target.
Explanations: for each major variation, a probable cause. If you do not know it, write “cause not confirmed”.
By channel: a short section for each active channel, with budget spent, result and cost per result.
What we tested and learned: tests of ads, pages and email subject lines, with the conclusion and the level of confidence.
Decisions and actions: two or three actions for next month, each with an owner and a deadline. This is the most important page.
Appendix: context metrics, definitions, notes on missing data or measurement changes.

The numbers must come from the right source: sales from the shop or the CRM, not from the ad platform; traffic and conversions from GA4; costs from the ad accounts. If measurement is not stable, fix that first, with the help of our guide to GA4 for small business owners.

Cadence: weekly, monthly, quarterly

A monthly report does not replace frequent checks. Each rhythm has a different purpose.

Weekly: a working check

Is spend within budget? Do the forms still send emails? Have any ads been disapproved or any tracking errors appeared? This is not analysis, it is hygiene. It takes fifteen minutes and prevents weeks of wasted money.

Monthly: an operational decision

This is where the report in this article belongs: what we reallocate, what we stop, what we test. A month holds enough data to show trends at medium volumes, but it can still mislead at low volumes or in seasonal businesses.

Quarterly: a strategy review

Every three months you look at trends, acquisition cost over time, customer value and whether the goals still make sense. A short-term plan gives you the rhythm; see the 90-day marketing plan.

For campaigns with long sales cycles, one month’s figures do not tell the whole story: money spent today may bring sales in two months. In that case the report also shows an intermediate indicator, such as meetings obtained.

How to read the numbers without fooling yourself

Compare with context. A 30% rise on last month means little if last month was the weakest of the year. Seasonality can explain much of a variation.
Beware of small volumes. Five enquiries against three is +67%, but proves nothing. At small volumes, look at the trend over several months.
Do not expect the platforms to agree. Google Ads, Meta and GA4 attribute sales by different rules. Use real sales as the reference.
Allow for delay. An enquiry received in January may become a sale in March. Group enquiries by the month they arrived, so you can follow them through to a sale.
Separate change from noise. If you changed the offer, the price and the ads in the same month, you cannot say what caused the difference.
Record measurement changes. A change to the tracking code can create an apparent rise or fall.

To see where you stand today on measurement, content, ads and website, you can run a quick digital maturity scan: it highlights the weak points worth tracking in the report.

Short definitions of the terms in the report

CAC (customer acquisition cost) is marketing spend divided by the number of new customers won in the same period. CPL (cost per lead) is spend divided by the number of enquiries. ROAS (return on ad spend) is revenue attributed to ads divided by ad spend; it ignores margin, so a “good” ROAS can hide a loss. Conversion rate is the percentage of sessions or visitors that completed a desired action; see also the conversion rate calculator. Average order value is revenue divided by the number of orders. LTV (lifetime value) is the revenue or margin a customer brings over the whole relationship, estimated with caution.

Put the definitions in the appendix and use them the same way every month. A KPI whose definition keeps changing (one month an “enquiry” means a form, the next a form plus a call) makes comparisons worthless.

Common mistakes in marketing reporting

Too many figures. Thirty indicators hide the three that matter.
Only good news. A report that never shows a problem is not credible.
No targets. Without a target, any number “looks good”.
Figures without a source. If you do not know where a number comes from, leave it out.
A report without decisions. If it does not end in actions, nothing has changed.
Shifting definitions. You end up comparing apples with oranges without realising it.
A report sent and never read. Schedule a 30-minute discussion with someone who can make decisions.

If the report contains data about individuals (names, emails, phone numbers), keep it in aggregate form or restrict access. This text is informative and is not legal advice; for the processing of personal data, ask a lawyer or your data protection officer.

How we do it

With the clients we work with, the report starts from two questions asked at the beginning: what is a good customer, and how much can you pay for a new one. The KPIs come out of those answers, and the remaining figures go in the appendix. We say openly what we cannot measure and what we only estimate roughly.

On measurement we work within our conversion rate optimisation service, where we check tracking first and the numbers second. If you already work with an agency and want a benchmark for what you should be receiving, read how to choose a marketing agency.

In short

The monthly report answers: what happened, why, and what we do next month.
Put five to eight business KPIs at the centre; vanity metrics stay in the appendix.
Compare with last month, with the same month last year and with target.
Check operations weekly, decide monthly, review strategy quarterly.
Use real sales as the reference, not each platform’s own figures.
End with two or three actions, each with an owner and a deadline.

How many KPIs should my monthly report have?

Usually between five and eight. Each should be explainable in one sentence and tied to a business goal. If you have more, some are probably context metrics and belong in the appendix. More figures do not mean more clarity, and a crowded panel makes the important changes harder to spot.

What is the single most important marketing KPI?

There is no single answer for everyone. For most businesses, the most useful is the cost of a new customer set against the margin that customer leaves. For a shop it may be margin after ads; for a service business, the cost of a qualified enquiry. Choose the indicator that links spend to profit.

Who should receive the report?

The person who decides on budget and the person who carries out the actions. If it goes only to someone who cannot decide, the report gets lost. Email the summary and the actions, and present the full report in a short meeting, so that there are questions and decisions, not just an acknowledgement of receipt.

How do I report when my data is incomplete?

Say clearly what is missing and why, instead of estimating in silence. Mark approximate figures and note how you will fix the gap, for example by setting up measurement or linking your CRM. An honest report with highlighted gaps is more useful than one that looks complete but rests on assumptions.

How long does a monthly report take to prepare?

It depends on how many sources you have and how automatically the data is collected. With a dashboard connected to the sources, collection can take little time, while the valuable part, interpretation and decisions, needs attention. If preparing it takes days, simplify the report or automate collection.

Can I produce the report myself, without an agency?

Yes, especially if you have few channels. Start from a simple template with your chosen KPIs and fill it in on the same date every month. An agency or consultant helps when measurement is complicated or you want an outside view. Even then, keep access to your own accounts and data.