Advertising Budget by Industry: What Does Your Sector Actually Spend?

The short answer

Marketing spend as a share of revenue ranges from about 2% to 15% depending on the industry — a sevenfold spread. Auto dealers sit near the bottom, SaaS near the top, and most local service businesses land between 5% and 10%.

**But those are marketing budgets, not advertising budgets — they include your website, SEO, content, tools and the people doing the work. Only 30-50% of a marketing budget actually buys media. Once you take that slice, the money genuinely going into advertising runs from about 0.9% of revenue (auto dealers) to 5.1% (SaaS)** — and that is the number a channel plan can actually be built on.

The spread tracks two things: how much of the buying decision happens before the customer contacts you, and how much margin there is to fund it.

The benchmark table — both numbers

These are the industry baselines the budget calculator uses in Step 1, drawn from a composite of SBA guidance, the Gartner CMO Spend Survey, the Deloitte / Duke CMO Survey, and industry trade reports. The second column is the share of that marketing budget which actually buys paid media; the third is what that works out to as a share of revenue.

Sanity check on the right-hand column: Gartner puts paid media at 2.4% of company revenue across the businesses it surveys. Our figures run 0.9%-5.1% and cluster at 2-4% for local service businesses — bracketing Gartner's number rather than contradicting it, which is what you want from a model that started there.

Why the paid-media share is not the same for everyone

Three tiers, and the direction is sourced even though the exact values are our estimate:

• Consumer-facing businesses — 44%. Home services, restaurants, retail, auto, tourism, B2C services, real estate, addiction recovery. Customer acquisition is the business; there is no trade-show budget siphoning money away from media.
• Mixed — 39%. Healthcare, legal, financial, nonprofit. No strong tilt either way. This is the cross-industry baseline: Gartner's 30.6% paid-media share, renormalised for a small business that has no enterprise marketing-labour line, gives 39.2%.
• B2B / relationship-led — 34%. B2B services, SaaS, manufacturing. Gartner found B2B CMOs put a mean 27.6% of their offline marketing budget into events versus 16.5% for B2C — money that goes into trade shows and relationships, not media.

We hold the spread to 39% ± 5 points on purpose. Only the ordering is published; the tier values themselves are researched estimates, flagged as such on the references page. We would rather band three tiers honestly than invent seventeen precise-looking numbers.

Why the spread is so wide

Margin sets the ceiling. A restaurant working on single-digit net margins physically cannot spend 15% of revenue on advertising — the money is not there. A SaaS business with 80% gross margins can, and does, because each new customer is nearly all profit and worth chasing hard.

Ticket size and frequency set the strategy. An auto dealer's 2% looks impossibly low until you notice the ticket: 2% of a $40 million dealership is $800,000 of marketing — about $352,000 of it into media. The percentage is small because revenue per transaction is enormous. A restaurant's 4% of $1.2 million is $48,000 of marketing, of which roughly $21,000 buys media — a much smaller pot funding far more, and far more frequent, purchase decisions.

Competition for attention sets the floor. Home services sits at 10% because the category is a knife-fight: the customer has an urgent problem, searches once, and calls one of the first names they see. Visibility at the moment of need is the business, so the spend is high.

Some categories buy trust, not clicks. Legal, financial, and healthcare businesses spend moderately as a share of revenue but concentrate it on credibility over a long consideration period — nobody chooses a lawyer from a banner ad.

Two rows that need explaining

Real estate is split in two, and the reason matters. An individual agent or team is rated at 4%, while a brokerage or office is rated at 10%. The textbook real-estate benchmark is 10% — but for an individual agent, "revenue" means gross commission income, most of which disappears into broker splits, taxes, and expenses before anything is left to spend. Applying the office's 10% to an agent's GCI produces a budget they cannot actually fund. A brokerage keeps its commissions and can sustain the classic figure. Same industry, two different economic realities, two different numbers — and getting this wrong is one of the most common ways a real-estate budget ends up unpayable.

Retail / e-commerce at 9% is a mid-point across a very wide band. The CMO Survey spread runs from about 5-6% for enterprise retail anchors to 9-12% for mid-market omnichannel retailers to 15-20%+ for small direct-to-consumer e-commerce brands buying their growth. 9% is a working default for a typical local retailer, not a law.

What the benchmark cannot tell you

It cannot tell you if the number is big enough to work. This is the trap, and the marketing-vs-media distinction makes it sharper than most guides admit. A restaurant doing $480,000 at exactly 4% of revenue has a $1,600-a-month marketing budget — which sounds thin but survivable. Take the 44% media share and the money actually available to buy ads is about $700 a month. That is below the entry point for several channels outright, and in a competitive market it may not fund any channel to the level where it does something. Being perfectly average and completely invisible is a real outcome, and the percentage will never warn you about it. If you had budgeted the whole $1,600 into channels you would not even have seen the problem — you would just have quietly under-funded four of them. When the real media number lands below the level where any single channel becomes effective, the correct answer is to concentrate all of it on one channel, not to distribute it politely.

It does not adjust for you. The industry rate is a starting figure. Your stage (a launching business needs 1.7× the baseline) and your growth goal (aggressive growth needs 1.4×) move it far more than your sector does. A launching restaurant chasing aggressive growth needs 4% × 1.7 × 1.4 = 9.5% of revenue in marketing — more than double the industry benchmark, and correct — which after the 44% media share is about 4.2% of revenue actually buying ads.

Averages hide the businesses that win. In most categories, the top performers do not spend the average. Treat the table as the middle of a distribution, not a target.

How to use these numbers properly

1. Start with your industry rate from the table above. That is your marketing budget.
2. Multiply by your stage and your growth ambition — the full formula and multipliers are here.
3. Then take the paid-media share (44% / 39% / 34%, per the table). That is your advertising budget — the number a channel plan is actually built on. Skipping this step is the single most common way a small-business media plan ends up two to three times over-committed.
4. Sanity-check it against your margin and your customer's lifetime value. If the benchmark budget exceeds what a customer is worth to you, the benchmark is wrong for your business, not the other way round.
5. Then check it against the market. The final test is not "is this a normal percentage?" but "does this buy enough presence in my town to be noticed?"

Get your number in about a minute

Run the free advertising budget calculator. Pick your industry, enter your revenue, stage, and growth goal, and it applies exactly the benchmarks above — showing you the marketing budget and the advertising budget separately — then goes further, resolving your actual market and returning a channel-by-channel plan built on the media number, at real rate-card pricing. No email required. Every figure is sourced.

Related reading: Advertising Budget as a Percentage of Revenue · How Much Should a Small Business Spend on Advertising? · How Much Should a New Business Spend on Advertising? · Industries we work with