Google Ads for Small Businesses: How to Make a Small Budget Work
Google Ads can be the quickest way for a small business to win new customers, or the quickest way to lose a few thousand pounds. The difference is rarely the budget. It is almost always how the account is set up.
The short version
- A small budget works when it is concentrated on a handful of high-intent searches, not spread across everything you do.
- Phrase and exact match keywords, tight location targeting and a growing negative keyword list do more than any bidding trick.
- Track enquiries, not clicks. Without conversion tracking, Google's automation is guessing with your money.
- Give a new campaign 8 to 12 weeks of steady management before you decide whether it works.
Why most small business Google Ads accounts waste money
When I audit an account for a small business, I tend to find the same handful of problems. None of them are complicated, and all of them quietly burn budget every single day.
- Broad match keywords with no negatives, so a plumber in Sidcup pays for searches like "plumbing apprenticeship" and "how to bleed a radiator".
- Display Network and search partners switched on inside a Search campaign, sending clicks from websites and apps that rarely convert.
- Location set to "presence or interest", which shows your ads to people who are merely interested in your area rather than in it.
- Every click going to the homepage instead of a page that matches what the person searched for.
- No conversion tracking, or tracking that counts page views as enquiries, so nobody knows what is working.
Fix those five and most accounts improve before you change a single bid.
Start narrow: pick the searches that make you money
Say you spend £1,000 a month and your average click costs £3. That is roughly 330 clicks a month. Spread those across 80 keywords and ten services, and no single keyword gets enough data for you or Google to learn anything. Concentrate them on the two services with the highest value and the clearest buying intent, and you get a meaningful read within weeks.
Intent is the key word. Someone searching "emergency electrician near me" wants to hire someone today. Someone searching "how to rewire a plug" wants to do it themselves. Both contain the right words, but only one is worth paying for.
Set the campaign up properly from day one
- Separate campaigns by budget priority. If one service matters more than another, give it its own campaign so it gets its own budget and cannot be starved by the other.
- Keep ad groups tight. One theme per ad group, so your ad and landing page can match the search closely. Close matches lift your Quality Score and lower what you pay per click.
- Use phrase and exact match. Broad match can work later with strong conversion data. On a small budget, it needs a level of supervision most business owners do not have time for.
- Target people in your area. Choose "presence" targeting and draw the radius around where you genuinely work and where jobs are profitable.
- Run ads when you can answer. If nobody picks up the phone at 9pm, there is little point paying for a 9pm click that wants a call back.
Negative keywords are where small budgets are won
Your search terms report shows the actual searches that triggered your ads. Check it weekly at the start. You will find words that never lead to work: jobs, salary, course, free, DIY, cheap, second hand, and the names of competitors or places you do not cover. Add them as negatives and that money goes back into the searches that do convert.
In my own account I run Google Ads scripts that review search terms automatically and add negatives against strict rules, with a manual check on top. You do not need scripts to start. You do need the habit.
Send each click to a page built for that search
If someone searches for boiler servicing and lands on a homepage covering ten services, they have to work to find what they wanted. Most will not bother. A dedicated page with the service in the headline, a clear price guide or starting point, reviews, and a phone number at the top will convert far more of the same clicks. If your website makes this hard, that is worth fixing before you increase spend.
Bidding: earn the right to automate
Google's Smart Bidding strategies learn from your conversions. With good tracking in place, Maximise Conversions is a sensible starting point for most small accounts. Once the campaign is producing a steady flow of conversions each month, you can set a target cost per acquisition and let Google work towards it. Without tracking, automated bidding simply optimises for whatever it can see, which is often the wrong thing.
What good looks like
On one account I manage, £19,458 of ad spend produced £264,069 in tracked revenue over the period, a 13.6x return on ad spend. Not every business will see numbers like that, but the principles behind it are the same ones in this article: tight targeting, relentless negatives and tracking you can trust.
How long before Google Ads works?
Ads can start bringing enquiries within days. Getting an account genuinely efficient takes longer, usually 8 to 12 weeks of collecting data, cutting waste and refining ads and pages. Judge it on cost per enquiry and cost per customer over that period, not on the first fortnight.
Frequently asked questions
How much should a small business spend on Google Ads?
For most local service businesses I recommend at least £1,000 a month in ad spend, paid directly to Google. Less than that can work in cheaper industries, but in competitive ones it often buys too few clicks to learn anything useful.
Can I run Google Ads myself?
Yes, plenty of business owners do. The risk is time: an account needs weekly attention, and the defaults Google suggests are built to spend money rather than save it. If you go it alone, switch off the Display Network, use phrase and exact match, and set up conversion tracking first.
Is Performance Max a good idea for a small business?
Usually not as your first campaign. Performance Max gives you less control over where ads appear and relies heavily on conversion data. Start with Search, prove what converts, then test Performance Max if it suits your business.
Why am I getting clicks but no enquiries?
The usual culprits are irrelevant search terms, the wrong location settings, a landing page that does not match the search, or a contact form that is not actually sending. Check all four before you touch your budget.
Want me to look at your Google Ads account?
I will go through your account with you, show you where the budget is leaking and tell you honestly whether it is worth fixing. No obligation and no sales script.