This is the most common question asked about Google Ads, and the honest answer is annoying: it depends. That is not a reason to leave it there. Below is what the cost is actually made of, how to work out what you can afford to pay per click, and how to check your own account without buying an audit.

Three things that get mixed up

Google Ads spend splits into three parts, and they get confused in almost every conversation.

  • Ad budget. Money that goes straight to Google for each click. You set it, and it is nobody's fee.
  • Management fee. What you pay if someone runs the campaigns for you. Either a monthly fee or a percentage of spend.
  • One-off setup. Account structure, conversion tracking, audiences. Done properly once, or done again later.

If someone quotes you a single number, ask which of the three it is. A “500 euros a month” proposal can mean two completely different things.

Do the maths before you ask for a quote

This is the most useful thing in the whole article and you can do it right now, on paper. The question is not “what does Google Ads cost”. It is “what can I afford to pay for one click and still come out ahead”.

You need three numbers you already have:

  • Average deal value. What one customer is worth to you.
  • Your margin. What percentage of that is left after costs.
  • Conversion rate. How many people out of a hundred who land on your site get in touch. If you do not know, 1–3% is a fair starting point to replace with a real number later.

Maximum cost per click = deal value × margin × conversion rate

An example. Say an average job is worth 900 euros, your margin is 40%, and 2 people in 100 get in touch.

  • 900 × 0.40 = 360 euros of margin from one customer
  • 360 × 0.02 = 7.20 euros is the most you can pay per click and break even

Breaking even is not the goal, so halve it. Around 3.60 per click is where the advertising actually earns you something.

Now you have a number to measure everything against. If clicks in your market cost five euros, you know immediately that either your conversion rate has to improve or this channel is not for you yet.

This is also why the website and the advertising are one question, not two. If your conversion rate goes from 2% to 4%, what you can afford per click doubles. Same budget, twice the competitiveness.

Why a click costs what it costs

Google Ads is an auction. You are not buying a position in a list, you are competing for each search against everyone who wants the same person.

Competition for the keyword. The spread is enormous. A niche product a few hundred people search for each month is far cheaper than a field where banks, insurers or law firms are bidding.

Quality Score. Google rates how well your ad and landing page match the search. A better match means a lower price for the same position. This is where proper work saves money directly, and it is measurable.

Search intent. “What is a heat pump” and “heat pump installation price” are two different people. The first is reading, the second is buying. The second click costs more because it is worth more.

What budget to start with

The beginning is not where you win. The beginning is where you collect data. Google's algorithm needs conversion history before it can find the right people.

A practical starting point: one platform, one goal, spend under control. You can start modestly, because at that level the signal stays clean. If you spread across five campaigns immediately, none of them collects enough data to learn from.

A useful way to pick a budget: take your maximum cost per click and multiply it by how many clicks it takes to get one customer. In the example above that is 50 clicks, or roughly 180 euros per customer.

Far more important than the starting figure is whether you can serve the enquiries. Advertising that produces more calls than you can answer is money on fire.

Check it yourself in fifteen minutes

If you already have an account, you can review these five things without anyone selling you an audit.

  • Are conversions set up at all? Tools → Conversions. If the list is empty or everything reads zero, all the optimisation is happening blind. This is the most common and most expensive mistake.
  • Are the search terms sensible? Open the Search terms report and read what your ads actually appeared for. Most people find money going to words they never asked for.
  • Are there negative keywords? If “free”, “jobs”, “used” or “DIY” are not excluded, you are probably paying for people who will not buy.
  • Where does the ad land? Click your own ad. If you end up on the homepage rather than the page about the thing being searched for, you lose most of them there.
  • Quality Score. Add the Quality Score column in the keyword view. If a lot of them sit at 5 or below, there is a specific and fixable problem.

None of this needs an agency. It needs an hour.

What usually goes wrong

  • Conversions are not measured. Without them you are optimising on guesswork.
  • The landing page was not built for the ad. Someone searches for one thing, arrives on the homepage and has to start looking again.
  • The budget is changed too often. Every large change restarts part of the learning.
  • Clicks get watched instead of sales. Click count is a pretty number that does not pay invoices.

The first two are also why advertising and the website should be built together.

If you would rather someone walked through this with you

Book a free 30-minute call. We look at what you have now and tell you honestly whether there is anything to gain here. If there is not, you hear it on the call, not three days later in a proposal.

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