How to set a marketing budget for a small business

Start with goals and customer value

A budget is easier to set when you know what it is for. Start with your goals: how many new customers or inquiries you need, for which services and by when. Then work out what a new customer is worth to your business. For some businesses that is the value of a single sale. For others it is the value of a customer who returns again and again.

Next, consider what you can afford to spend to win a customer and still make a healthy profit. That number depends on your margins, how often customers return and how many inquiries turn into sales. Once you know it, budgeting becomes a matter of matching what you spend with what you expect to win, rather than guessing.

You will not know every number precisely at first. Use your best estimates, write them down, and refine them as real results come in.

Common budgeting approaches

Most small businesses use one of four approaches, or a mix of them. Each has a place, and each has limits.

Goal based budgeting

You start from the number of customers you want, estimate how many inquiries you need to win them and what each inquiry is likely to cost, and build the budget from there. This connects spending directly to results and makes it easier to judge whether the budget is working. Its limit is that it depends on estimates, such as how many inquiries become customers, which may be rough at first and need updating.

Percentage of revenue

Some businesses set aside a share of their revenue for marketing. It is simple, and the budget rises and falls with the business. Its limit is that it looks backward at past revenue rather than forward at what you want to achieve, and it can cut marketing just when you need it most, such as during a slow period or a launch.

Matching competitors

Some businesses try to spend roughly what competitors seem to spend. Keeping an eye on competitors is sensible, but their spending is hard to know, their goals may differ from yours and you cannot tell whether their marketing is working. It is a reference point, not a plan.

What you can afford

Many businesses, especially new ones, spend what they can spare. That is honest about cash flow, and sometimes it is the only option. Its limit is that the budget becomes unpredictable, campaigns start and stop, and it is hard to measure anything consistently. If this is your situation, aim for a small amount you can commit to steadily rather than larger amounts that come and go.

A worked example

This is an illustration only, not a benchmark. The numbers are round and invented to show the method.

Imagine a hypothetical local service business where a new customer is worth $2,000 in revenue. The owner decides that spending up to $200 to win a new customer is acceptable given the business's margins. The owner wants 10 new customers in the planning period.

From past experience, the owner estimates that about one in five inquiries becomes a customer. To win 10 customers, the business needs about 50 inquiries. At up to $200 per customer, the marketing budget for the period is about $2,000, which means each inquiry can cost no more than about $40 on average.

Now the owner has numbers to plan with and to check against. If inquiries start costing much more than expected, or fewer of them turn into customers, the owner knows exactly which assumption to revisit. Your own numbers will be different, and that is the point: the method matters more than the figures.

Allocating across channels

Once you have a total, decide how to divide it. Start with the channels most likely to reach your customers when they are ready to buy, and make sure the basics are in place first: an accurate business profile, a clear website and tracking for calls and forms.

Then test. Put a modest amount into each channel you want to try, give it a fair run with clear goals, and compare the results. Move money toward channels that produce inquiries at an acceptable cost, and reduce or pause those that do not. Keep a small amount aside for trying new ideas so the plan does not stand still.

Remember that some channels pay off more slowly than others. Search engine optimization and content tend to build over time, while ads can respond quickly. Judge each channel on a timescale that suits how it works.

Planning for seasonality

A flat budget assumes demand is flat, and for most businesses it is not. Look at your sales and inquiry history to find your busy and quiet periods, then shape the budget around them.

For a Las Vegas business, those patterns may be tied to seasons, holidays, conventions and large events. A business that serves event visitors might increase advertising before a busy convention period so it is visible when people start searching, then shift money toward longer-term work, such as website content and review building, during quieter stretches. A neighborhood business might do the opposite if its regular customers stay home during big events.

Plan these shifts ahead of time on a marketing calendar, so the budget follows demand instead of reacting to it.

Tracking and adjusting

A budget is a plan, not a promise. Set a regular rhythm for reviewing it, such as alongside your regular financial review, and look at the same few numbers each time: what you spent, how many inquiries each channel produced, how many became customers and what each new customer cost.

When something is not working, change one thing at a time so you can see the effect. When something is working, consider whether more spending would bring more of the same results or whether you are already reaching most of the people who are looking. Update your assumptions, such as the share of inquiries that become customers, as you collect real numbers.

A budget worksheet

Use this worksheet with your own numbers. The example column uses the illustrative business above.

Frequently asked questions