Growth

How to set a marketing budget for your small business

Summit Studio · Published August 31, 2026 · Updated September 17, 2026 · 8 min read

A practical process for setting a marketing budget: start from what growth you need, check it against margin, allocate it across channels on purpose, and revisit it every quarter instead of guessing at a single percentage.

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Ask five reputable sources how much a small business should spend on marketing and you will get five different numbers. Surveys disagree because they sample different companies: enterprise-heavy panels report lower averages than small-business panels, and B2C product companies report far higher percentages than B2B services firms. There is no single correct figure, and any article that hands you one without asking about your margin, your stage or your industry is skipping the part that actually matters.

That does not mean you are stuck guessing. It means the useful exercise is a short process, not a lookup table: figure out what growth you need, price out what that growth costs, check the number against what your margin can absorb, and only then decide where the money goes.

Why 'percent of revenue' benchmarks vary so much

The U.S. Small Business Administration's own guidance on this is intentionally non-committal: it says there is 'no hard and fast answer' and that businesses use revenue percentage only as a rough guide, with the right figure depending heavily on whether you're B2B or B2C, product or service, and established or brand-new. Independent surveys back that range up: composition of the sample changes the average by several points, and business type changes it by more than that. A B2C product company and a B2B services firm are not the same buyer, so they should not use the same rule of thumb.

Treat any specific percentage you read — including ones in this article — as someone else's average, not your budget. Use the process below to build your own number instead.

Start from the goal, not the percentage

  1. 01Write down the revenue or customer-count goal for the next 12 months, in dollars or units, not vague terms like 'grow'.
  2. 02Estimate how many new customers that goal requires, using your current average deal size or ticket.
  3. 03Estimate what a new customer currently costs you to acquire, using last year's actual numbers if you have them.
  4. 04Multiply new customers needed by acquisition cost to get a rough spend floor.
  5. 05If you have no history to estimate acquisition cost, use a conservative range from a channel you understand and test before committing the full budget.

This produces a number grounded in your business, not an industry average. It is usually higher than owners expect for an early-stage company and lower than expected for an established one with strong repeat and referral business — which is exactly why a flat percentage misleads both.

Check the number against margin, not just revenue

Revenue tells you what you sold. Gross margin tells you what you actually have to spend without losing money on the transaction. A business with thin margins can look like it has plenty of revenue to fund an ambitious marketing plan and still lose money on every new customer it acquires. Before you commit to a number, ask what share of your gross profit dollars — not top-line revenue — that spend represents, and whether the business can absorb it while still covering payroll, rent and debt service.

  • If the spend eats deeply into gross profit, the budget is funding a bet on future volume, not current cash flow — decide that on purpose.
  • If margins are thin because of pricing, fixing the marketing plan will not fix the underlying margin problem.
  • Recompute this check whenever cost of goods or labor costs move; a budget that worked at last year's margin can be reckless at this year's.

Adjust for your stage

Stage changes the shape of the spend more than any other variable. A business with no brand recognition is buying awareness from zero and should expect to spend a larger share of revenue than an established company living partly on referrals and repeat business. An established business shifting into maintenance mode can often spend less as a share of revenue and put more of what remains into retention rather than acquisition.

StageWhat the budget is buyingWhere the money should lean
New / pre-revenueFirst customers, initial proof a channel worksFast-feedback channels: search ads, local listings, direct outreach
GrowingVolume and channel diversificationA mix of acquisition and the content/SEO assets that lower cost over time
EstablishedEfficiency and retentionReferral, email, loyalty, and pruning underperforming channels

Where the budget should go

Once you have a total, split it deliberately rather than spreading it evenly across everything you have heard of. The right mix depends on your sales cycle and how customers actually find you, but a workable starting structure looks like this:

  • High-intent channels that convert fast: paid search, local listings, and your website's core conversion paths.
  • Compounding channels that get cheaper over time: SEO, content, and email to your existing list.
  • Brand and awareness channels for the parts of the funnel that never show up in last-click reporting.
  • A small reserved amount for testing one new channel or tactic without disrupting what already works.

Common budgeting mistakes

  • Copying a percentage from an article without checking whether it's for a business like yours.
  • Setting the budget once a year and never revisiting it as margin or goals change.
  • Funding every channel a little instead of funding the two or three that actually move the headline number.
  • Treating internal staff time as free, when it is a real cost that belongs in the total.
  • Cutting the budget the moment cash gets tight, right when consistent visibility matters most.

Revisit it on a schedule

A marketing budget is a forecast, not a contract. Revisit it quarterly: compare planned spend to actual results, check the margin math again, and decide what to do more of, less of, and what to test next. Businesses that treat the budget as a living document tend to catch a wasteful channel within a quarter; businesses that set it once a year tend to catch it a year late.

The number you land on will not match any benchmark exactly, and it shouldn't. It should match what your business needs to grow at a pace your margin can fund, reviewed often enough that you're never more than a quarter away from correcting course.

Source: www.sba.gov

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