If you manage your business's Google ads, you're probably already familiar with the most common model: the agency charges you a percentage of everything you spend on advertising. You invest 2,000 euros a month in clicks, and the agency takes 15 or 20 percent of that figure, in addition to their work. The problem becomes obvious as soon as you think about it for two seconds: the more you spend, the more the agency charges, even if the extra spending doesn't bring you a single additional customer.
That's where the idea of a Google Ads agency with no commission on spend comes in. It's a model where you pay for the management (for the actual work of someone who knows what they're doing), not a toll on every euro Google takes from your pocket. It might seem like a minor detail, but it completely changes the incentives for whoever manages your account. In this guide, we explain exactly what it means, when it suits you, and how to distinguish an honest proposal from one that just sounds good.
In summary
In summary: A Google Ads agency with no commission on spend charges you for managing the account, not a percentage of what you spend on ads. The advantage is that the agency's incentive shifts from you investing more to you performing better. Before signing, check how the work is invoiced, whether the advertising account remains in your name, and what results you'll be able to measure yourself.
What exactly does 'no commission on spend' mean?
It's worth separating two things that are sometimes deliberately mixed. One is ad spend: the money that goes directly to Google to display your ads. The other is the management fee: what you pay the agency for their work (setting up campaigns, writing ads, adjusting bids, analysing what works and what doesn't).
The traditional model combines the two: the agency calculates its fee as a percentage of your spend. If you invest more, they charge more, whether you make more sales or not. The no-commission-on-spend model breaks that link. You decide how much to invest in Google, and the agency charges for its work based on criteria independent of that spend.
- Fixed management fee: An agreed amount for managing the account, stable each month, regardless of whether you invest 1,000 or 5,000 euros in ads.
- Payment per project or per hour: Specific work is invoiced (an audit, campaign restructuring, setting up a new account).
- Results-oriented hybrid model: A base management fee plus a component linked to real business objectives (sales or qualified leads), not to spending volume.
The practical difference is simple to understand. With commission on spend, the agency earns when you spend. Without it, the agency earns when it does its job well, and its interest aligns with yours: getting the most out of every euro, not just spending more for the sake of it.
Why the incentive changes everything
Imagine two agencies managing the same account. The first charges a percentage of the spend. One day, it detects that it could reduce your spending by 20 percent without losing sales, because some clicks aren't performing. Doing so is better for you, but it means they'd earn less. Will they enthusiastically propose it? The temptation to look the other way is clear.
The second agency charges a fixed management fee. Reducing your spending without losing sales doesn't cost them a single euro, and instead leaves you happy and keen to continue. That's the crux of the matter: it's not about some people being more honest than others, but about how the billing model encourages different behaviours.
For an SME, this carries more weight than it seems. A small business's advertising budgets aren't huge, so every wasted euro is noticeable. A model that rewards spending for spending's sake works against you precisely where you have the least margin.
When this model suits you (and when it doesn't matter)
It's not a magic formula that always wins. It's particularly suitable in these cases:
- You invest medium to high amounts: The more you spend per month, the more you save by paying for management instead of a percentage. For large investments, the accumulated difference is considerable.
- You want the freedom to increase and decrease spending: During peak season, you want to invest more without the agency's bill skyrocketing, and in low season, you want to cut back without argument.
- You're looking for a long-term relationship: The management fee model works best when there's trust and continuity, because the focus is on improving the account, not inflating spending.
When does it matter less? If your investment is very small, the resulting percentage is usually low in absolute terms, and the difference between one model and another is barely noticeable. In that case, what matters isn't so much the billing model as the quality of the person managing the account.
How to choose an agency without surprises
An agency saying 'no commission on spend' isn't enough. You need to look at the small print and ask the right questions before signing anything.
- Demand full clarity on the invoice: You need to know what you're paying Google and what you're paying the agency, separately, each month. If those two figures are mixed into a single amount, something isn't right.
- Check who owns the account: The Google Ads account must be in your name, and you must be the administrator. If the account belongs to the agency, you're tied in: the day you leave, you'll go without the history or data.
- Demand access to data: You should be able to log in and see for yourself what's being done, how much is being spent, and what results are coming in. A clear business dashboard, not an opaque report every three months.
- Ask how they measure results: Good agencies talk about sales, qualified leads, and cost per acquired customer. Those that only boast about clicks and impressions are selling you smoke.
- Be wary of fixed guarantees: No serious professional promises an exact sales figure upfront, because in advertising there are factors no one controls. An honest professional gives you reference estimates and explains what they depend on.
A practical tip that saves headaches: before hiring, ask for an audit or review of your current situation. How they explain what they see tells you much more about the agency than any sales proposal. If they speak clearly and in business language, that's a good sign. If it's all technical jargon and a rush to close, that's bad.
How we work at Boomatik
At Boomatik, we manage Google advertising for Spanish SMEs with a simple principle: our job is to make every euro you invest perform, not to make you invest more. That's why we invoice for the service, not as a toll on your ad spend. You decide the advertising budget, and we make the most of it.
Furthermore, we connect campaigns with your management system (we use Odoo with many clients) so you can truly see which ads bring in customers and which only bring visits. This connection between the ad and the actual sale is what separates spending money on Google from investing smartly. And all with the account in your name and the data always in your hands.
Profitable Advertising on Google and Meta, Managed by AI 24/7.
Discover more →Frequently Asked Questions
Is it cheaper to pay for management than by commission?
It depends on how much you invest. The higher your monthly ad spend, the more a management fee usually pays off, because a percentage on a high investment becomes a significant figure. With very small investments, the difference narrows. The important thing is to compare the total cost (management plus ads) and what results you get, not just the billing model.
Is the Google Ads account mine or the agency's?
It should always be yours. You must be listed as the owner and administrator of the account, and the agency should work as a collaborator with access. That way, if you ever change agencies or bring it in-house, you keep all the history, campaigns, and data, which are very valuable.
What's the difference between ad spend and the management fee?
Ad spend is the money that goes directly to Google to display your ads. The management fee is what you pay the agency for their work setting up, optimising, and monitoring campaigns. They are two distinct things and should appear separately on your invoice so you know exactly what you're paying each party.
Can I start with a small budget?
Yes. You can start with a contained investment, learn what works for your case, and gradually increase it based on results. In fact, starting cautiously and scaling based on what already proves to perform is often more sensible than launching a large budget all at once without supporting data.
How do I know if my campaign is really working?
Don't just focus on clicks or impressions: that measures activity, not business. Look at how many real customers or enquiries come in thanks to the ads and how much it costs you to acquire each one. For this, you need to measure conversion well and, if possible, connect advertising with your management system to see the complete sale, not just the visit.
Can I change models if I already work on commission?
Almost always. You can propose to your current agency to switch to a management fee model, or look for another that works that way. Before you move, make sure you retain access and ownership of your Google Ads account, because that's the asset you won't want to lose in the transition.
A final note
Choosing how you pay your Google Ads agency isn't a matter of pennies; it's a matter of incentives. When the person managing your account earns by doing well, not by making you spend more, all the work pushes in the same direction as your business.
At Boomatik, we help SMEs across Spain bring order to their Google advertising and connect it with real sales, with a model designed for you to win first. If you want to know how it would apply to your case, tell us your situation, and we'll give you a no-obligation assessment. Request a quote and let's look at it together.
