2026. gada 7. augusts
How big an advertising budget does a business need for Meta and Google?
Short answer: there is no universal figure, but there is a concrete lower threshold. Your minimum budget is set not by your wallet but by the volume the algorithm needs in order to learn. A Meta ad set reaches that threshold at roughly 50 optimisation events per week; Google Smart Bidding tCPA at roughly 30 conversions per month per ad group. Multiply your cost per conversion by those numbers and you get the real minimum for your own niche.
The biggest mistake is starting with an arbitrary figure, say 500 EUR or 900 EUR a month, without working out what acquiring one customer costs and what result the business actually wants.
Two companies can invest the same amount and get completely different results. The difference comes not from the platform but from competition in the niche, ad quality, how competitive the offer is, website usability and the accuracy of the analytics.
How do you calculate your advertising budget?
A budget calculation starts not with the question of what you can afford to spend, but with how many customers you need and how much one customer is allowed to cost.
| Step | What you determine | Example |
|---|---|---|
| 1 | How many new customers you need per month | 30 customers |
| 2 | What acquiring one customer may cost | 40 EUR |
| 3 | Multiply | 30 x 40 EUR = 1200 EUR per month |
The second number cannot be invented. It is set by the profit per customer: if you earn 150 EUR from one customer, the allowable acquisition cost is around 30 EUR. If a customer generates 5000 EUR of profit over a year, it can comfortably be 500 EUR or more.
Why is there a lower threshold at all?
Both Meta Ads and Google Ads run on machine learning. For the algorithm to make good decisions it needs a sufficient number of conversions, not simply a long stretch of time.
| Platform | What the platform sets | What it means in practice |
|---|---|---|
| Meta Ads | An ad set becomes learning limited if it does not get around 50 optimisation events per week | If a lead costs 20 EUR, one ad set wants around 1000 EUR per week |
| Google Ads (tCPA) | Recommends at least 30 conversions per month per ad group (tROAS - 50) | At 25 EUR per lead that is around 750 EUR per month for a single ad group |
Both figures come from the platforms' own documentation: the Meta Business Help section on the learning phase and the Google Ads Help section on Target CPA. On Meta it is a real system status; on Google it is a recommendation for reliable data.
This is exactly why small budgets often seem not to work. If the budget never reaches the threshold, the algorithm never exits the learning phase and results stay unstable.
The fix is not automatically to spend more. Meta itself recommends the alternative: when the budget is small, choose a more frequent optimisation event, for example optimise for add to cart instead of purchase. It is also smarter to concentrate the budget in one campaign rather than spread it across five parallel ones, none of which reaches the threshold.
What do advertising costs actually consist of?
The advertising budget is the amount paid directly to the Meta or Google platform. That money does not go to the agency. The platform uses it in the ad auction, where advertisers compete for the same audience.
But the budget is only fuel. The result is produced by the whole system.
| Component | Why it matters |
|---|---|
| Advertising budget | Gets your ads in front of potential customers |
| Strategy | Defines who sees the ad and what its goal is |
| Ad creation | Copy, images and video directly drive clicks and conversions |
| Analytics | Shows which ads make money and which do not |
| Optimisation | Lowers customer acquisition cost over time |
Analytics is the part most often underestimated. Advertising results are only as good as the data the algorithm relies on. If conversions are not tracked correctly, Meta and Google optimise on incomplete information, and that pushes costs up. The minimum set: Google Analytics 4, Meta Pixel, Conversion API, Google Tag Manager and Google Ads conversion tracking.
How does a marketing investment split?
Most agencies do not disclose their pricing. We show how the amount splits, because that lets you plan a budget honestly.
The total monthly investment has two parts: the management fee and the advertising budget that goes to the platform. The management share falls as the budget grows.
| Total investment per month | Management fee |
|---|---|
| Up to 5000 EUR | 30% |
| 5000 to 10 000 EUR | 25% |
| Above 10 000 EUR | 20% |
The minimum management fee is 500 EUR per month. In the first month there is also a one-time setup fee of 749 EUR per advertising channel.
A practical example: if the total investment is 2000 EUR per month, management is 600 EUR and the advertising budget going to the platform is 1400 EUR. The marketing investment calculator works this out in both directions: from the total amount, or from the advertising budget you want.
Seven factors that change the budget you need
1. Industry
The most competitive industries in Latvia are legal and financial services, real estate, medicine, construction and B2B professional services. There a click and a lead cost more. That does not mean advertising is ineffective there - only that the budget needs more careful planning and the return has to be judged over a longer period.
2. Territory
| Territory | Budget requirement |
|---|---|
| One city | Lower |
| Several Latvian cities | Medium |
| All of Latvia | Higher |
| The Baltic states | Higher |
| Europe or global market | Calculated individually |
A wider territory means not only a bigger audience but also more competition.
3. Advertising goal
A brand awareness campaign cannot be judged by lead count, and vice versa. Every goal has its own success metric and its own budget split.
4. Customer lifetime value (CLV)
This is the most frequently ignored metric. A dental patient, an accounting client or an online shop buyer comes back repeatedly, so their real value is many times the first purchase.
Example: if acquiring a customer costs 80 EUR but that customer generates 2500 EUR of revenue over a year, advertising is a small share of the value. If the customer makes only one small purchase, the allowable acquisition cost is far lower.
5. Website quality
Ads bring visitors, but the website closes the sale. If it loads slowly, is not adapted for mobile or fails to build trust, even good ads will not reach their full potential.
Before raising the budget, check: does the site load fast, is the main offer visible immediately, is there a clear call to action, is the contact information easy to find. If the answer to several of those is no, fix the site first.
6. Seasonality
Heating systems are searched for in autumn, air conditioners in spring and summer, garden supplies in spring, gifts at the end of the year. The budget should follow the demand curve rather than stay flat all year.
7. Sales cycle
For a restaurant or a car service the customer decides within the hour. For industrial equipment, construction or B2B consulting a deal may close only after several months. In the second case advertising results must not be judged on a single month of data.
How do you know whether the budget is too small?
Judge the budget by concrete signals, not by gut feeling.
| Signal | What it means |
|---|---|
| Very low reach and few impressions | The budget does not let you compete in the auction |
| A handful of conversions per month | The algorithm lacks data to find the right users |
| Results swing heavily | Too little data for an objective assessment |
| Budget spent by mid-morning | Ads are not running during the most active hours |
| The learning phase never ends | The optimisation event threshold is not being reached |
| CPA rising instead of falling | Cutting the budget produced the opposite effect |
An important warning: a bigger budget does not fix the problem when the cause is an unconvincing offer, weak creative, a slow website or badly configured analytics. In that case raising the budget only raises the spend.
Meta Ads or Google Ads?
Google Ads reaches people who are already looking for a solution, so it usually brings higher purchase intent and better qualified leads. Meta advertising creates demand and reaches people before they start searching, which makes it strong for new products, visually demonstrable goods and brand building.
For most businesses the combination works best: someone notices an ad on Instagram, searches for the company on Google a few days later and submits an enquiry there. We cover the choice of platform in detail in a separate article on how to choose an advertising channel for your business.
The most common budget planning mistakes
- Picking a figure by feel.
- Copying a competitor's budget. You know neither their margin, nor their ad quality, nor their results.
- Following a recommended amount found somewhere online.
- Raising the budget without analysing results.
- Judging ads by click count alone.
- Ignoring website quality and analytics.
- Splitting a small budget across many campaigns, where none reaches the learning threshold.
Key takeaways
There is no universal figure, but there is a calculation. Start with the business goal, set the allowable customer acquisition cost, multiply it by the number of customers you want, and check whether the result reaches the algorithm's learning threshold.
Meta and Google are not competitors, they are complementary channels. Judge advertising by CPA, ROAS, conversion rate and CLV, not by clicks or reach. A bigger budget on its own guarantees nothing: if strategy, analytics or the website are not in order, extra money only raises costs.
Want to know your own number? Enter an amount in the calculator and you will immediately see how much goes to management and how much to the actual advertising budget.
