By Jo van Vuuren — Fractional CMO
A small business does not need a dashboard full of numbers to know whether marketing is working. Four measures matter most: how many enquiries you get, what it costs you to win a customer, what that customer is worth once they are with you, and what proportion of enquiries actually turn into a sale. Track those consistently and you have most of what you need; everything else is background information.
How many enquiries or leads are you getting, and from where?
This is the simplest number to track and often the most useful. Count how many people get in touch, ask a question, request a quote, or fill in a form each month, and note where each one came from. A simple note in a spreadsheet, updated as enquiries come in, is enough to start. Watching this number over time tells you whether interest is growing, and knowing the source tells you which of your efforts are bringing people to you, instead of just feeling busy.
What does it cost you to win a customer?
Add up what you spend to attract and win customers over a period, then divide by how many customers you actually won in that time. This gives you a rough cost per customer. It does not need to be precise to be useful. Knowing roughly what it costs you to win a customer tells you whether a particular effort is worth repeating, and whether you can afford to spend more to grow faster.
What is a customer worth to you once you have them?
Work out what an average customer spends with you over the whole time they stay, not their first purchase alone. A customer who spends a modest amount once is worth far less than one who buys repeatedly or refers others. Once you know roughly what a customer is worth, the cost of winning one makes much more sense: a higher cost can be perfectly sensible if the customer sticks around and keeps spending.
What proportion of enquiries turn into paying customers?
Divide the number of new customers by the number of enquiries you received in the same period, and you have your conversion rate. A low figure is not automatically bad news; it tells you where to look. It might mean your follow-up is slow, your pricing is unclear, or the enquiries themselves are not quite the right fit. Watching this number over time shows you whether changes you make to your sales process are actually helping.
Why do vanity metrics mislead you, and how do you keep it simple?
Followers, likes, impressions, and website visits feel encouraging, but none of them tell you whether a single one of those people became a paying customer. It is worth watching these figures loosely, since a sudden change can flag something worth investigating, but they should never be the number you report as a win on their own. Keep the whole thing simple: track these four numbers consistently, and let everything else stay in the background.
- Enquiries or leads received each month, and where they came from
- Cost to win a customer, even as a rough estimate
- What a customer is worth over the time they stay with you
- Conversion rate from enquiry to paying customer
None of this requires new software. A simple spreadsheet, updated at the same time each month, is enough for most small businesses to see whether marketing is working and where to put attention next.
Common questions
What are the most important marketing metrics for a small business?
Four numbers cover most of what you need: how many enquiries or leads you get, what it costs you to win a customer, what a customer is worth to you over time, and what proportion of enquiries turn into paying customers. Track those consistently before adding anything else.
Why are followers and website visits not a good measure of success?
Because they do not tell you whether any of it leads to a paying customer. A page can gain visitors or a post can gain likes without a single enquiry resulting, so treat those as background information, not a measure of whether marketing is working.
How often should a small business review its marketing numbers?
Monthly is usually enough for a small business, with a quick glance more often if you are running a specific campaign. Reviewing daily tends to react to noise rather than a real trend; reviewing yearly is too slow to let you change course.
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