How Much Should a New Business Spend on Advertising?

The short answer

A launching business should plan on 12-20% of revenue in marketing — roughly 1.7× what an established competitor in the same industry spends. You are buying something they already own: the fact that people know they exist.

Two problems with that sentence, and they are the reason this guide exists separately from the small-business budget guide.

First: a brand-new business has no revenue to take a percentage of. Every standard budgeting rule starts with "take X% of revenue," and you have none. So you have to run the calculation backwards.

**Second: that percentage is a marketing budget, and a launching business is spending a lot of it on things that are not ads** — building the website, the brand, the booking system, the photography. Only about 30-50% of a marketing budget buys media. If you plan your ad campaigns against the full marketing number, you will over-commit by two to three times in the exact month you can least afford to.

Budget from projected revenue, not from what is left over

The two workable methods:

1. Percentage of projected first-year revenue. If your business plan says year one will bring in $400,000, apply your industry's rate and the launch multiplier. A B2C local service business is rated at 8%, and a launching business needs about 1.7× the baseline:

Marketing budget: $400,000 × 8% × 1.7 = $54,400 for the year, or about $4,500 a month.

Advertising budget: $54,400 × 44% (B2C services is a consumer-facing category) = $23,936 for the year, or about $2,000 a month.

Both numbers are real and both matter. The $4,500 is what you need to have; the $2,000 a month is what you actually have to buy ads with — and it is the number your channel plan has to survive on. Getting this wrong at launch is the difference between funding one channel properly and starving four.

If either number frightens you, that is useful information — and far cheaper to discover now than in month seven.

2. Work back from a customer. Often more honest for a startup. If your average customer is worth $2,000 and you need 200 of them to hit your revenue target, and you can afford to spend $250 to win one, you need $50,000 in acquisition budget. Note that this method gives you an advertising number directly — compare it to the $23,936 above, not to the $54,400.

Use both. If they land in the same neighbourhood, your plan is coherent. If they are wildly apart, your revenue projection or your unit economics needs another look before you spend anything.

Why launching costs so much more

You are paying for something established businesses got for free: time. A ten-year-old competitor has a decade of accumulated word of mouth, repeat customers, and a name people half-recognise. That is an asset you cannot buy on credit — you can only rent it, quickly and expensively, through advertising.

The research is fairly consistent: Harvard Business Review's work puts a launching business's requirement at roughly 1.5-2× the industry baseline, and McKinsey's growth research finds that taking share (as opposed to defending it) needs 1.3-2× a maintenance budget. Our calculator uses 1.7× for launching, and stacks a growth-goal multiplier on top of it.

There is a second, more brutal reason. Most people need five to seven exposures before they act on a message. An established brand starts partway up that ladder because people already half-know the name. You start at zero, on every single person. That is what you are actually funding.

The most expensive mistake new businesses make

Spreading a small budget thinly across many channels so that none of them reaches anyone often enough to be remembered.

It feels responsible. It is diversification, after all. It is also the single most reliable way to spend $2,000 a month for six months and generate nothing — because five channels at 20% of effective frequency do not add up to one channel at 100%. Below a threshold, advertising impressions are close to worthless, and the threshold does not care that you were being prudent.

The marketing-vs-advertising confusion is what makes this mistake so easy to walk into. A founder with a $4,500/mo marketing budget mentally allocates it across five channels at $900 each and it looks reasonable. But the real media budget is $2,000 — so those five channels are actually getting $400 each, every one of them below the level where it does anything, and the website and the tools are being paid for out of the same pot without anyone noticing. Two years of "advertising doesn't work for us" starts here.

At a launch budget, concentrate. Pick the one channel that best matches how your customers actually decide, and fund it until it is genuinely working. Add the second channel only when the first is at a real presence. This is the concentrate-then-diversify principle, and it matters more at launch than at any other stage.

What to expect in the first 90 days

Set expectations honestly, because this is where new advertisers give up too early:

• New campaigns typically deliver only 70-80% of benchmark performance in the first three months, with peak results landing months four to nine. Google Ads needs a learning period before its bidding stabilises; Meta needs roughly 50 conversions in seven days before its optimisation settles.
• Search works fastest, because you are capturing demand that already exists rather than creating it. If people are already searching for what you sell, that is where a launch budget usually goes first — it is the shortest path to a real customer and to learning what your actual conversion economics are.
• Awareness channels take a quarter to read. Radio, streaming audio, and CTV do not produce a clean weekly number. Buying them and then judging them on a two-week report is how new businesses conclude, wrongly, that advertising does not work.

Kill a channel that is not working, by all means — but on the basis of a fair test, not an impatient one.

A sane launch sequence

1. Get findable first. A Google Business Profile, a website that converts, and working call tracking. Advertising into a broken funnel is a way of paying to discover it is broken.
2. Capture existing demand. Search for anything people already look for. This is the cheapest customer you will ever get.
3. Add retargeting immediately. The people who visited and left are your warmest audience, and re-reaching them is cheap.
4. Then buy awareness — once there is something in place to catch the response.
5. Reassess at 90 days with real numbers, not vibes. Here is how to tell if it is working.

Get a real launch number

Run the free advertising budget calculator — set your stage to Launching and it applies the 1.7× multiplier automatically, shows your marketing budget and your advertising budget as two separate numbers, resolves your actual market, and returns a monthly media range plus the specific channels to spend it on at that level. It will also tell you, plainly, when a budget is too small to support a channel — which at launch is the most valuable thing it can say.

No email required, no form. Every figure it uses is sourced.

Related reading: How Much Should a Small Business Spend on Advertising? · Advertising Budget as a Percentage of Revenue · Advertising Budget by Industry · How to Build a 90-Day Marketing Campaign