If you sell more than one service, your Google Ads account needs a separate campaign for each. Each one needs its own budget, keywords, and ads so the numbers stay separate. When you mix them into one campaign, your cheapest service will use up the spend meant for your most profitable jobs.
Mixed accounts are hard to read. A cheap, high-volume service can make the whole report look healthy. Meanwhile, the jobs that earn the most go underfunded, and owners keep paying for the wrong leads. We often see this at SlamStop in accounts that were set up in a hurry.
This guide explains how the levels of your account fit together. You will also learn how to split money between services and how to read results for each one separately.
Google Ads Campaign Structure Basics: How Your Account Fits Together
Many service businesses run every service through one campaign and then wonder why their leads dry up. Search advertising punishes loose organisation faster than most channels. Google handles close to 90% of searches worldwide, so your paid campaigns need a plan long before they need a bigger budget.
Every Google Ads account follows the same basic hierarchy. Three components of Google Ads carry the weight: campaigns, ad groups, and keywords. Work through each one below before you touch a setting.
Where Campaigns Sit in Your Ads Account Structure
Campaign settings control the money, so the budget you set at the campaign level covers every ad group underneath it. Two services inside one campaign therefore share a single daily budget, and the cheaper one usually wins the spend.
We have rebuilt accounts where splitting one campaign into four lifted booked jobs within a fortnight. The budget stayed the same. It now reached the services that earn the most.
How Ad Groups Split Each Service You Sell
Inside each campaign, ad groups break one service into the specific jobs people search for. A Geelong plumber, for example, would give blocked drains and hot water repairs in their own ad groups. Each ad group carries its own ads, so the headline can match the search. Someone looking for a hot water repair sees a headline about that exact job, not a general plumbing promise.
Campaigns and ad groups work as a pair. Campaigns control the money, and ad groups control the message. Start with three to five ad groups per service campaign. If your ads start repeating the same wording, your themes have probably blurred together. Split or merge the groups until each one covers a single job.
Keeping Keywords in Tight, Service-Specific Themes
Keywords sit at the bottom level. They only earn their place when every keyword in an ad group points at the same job and the same landing page.
Focused themes lift your quality score, which lowers your cost per click. Google’s Quality Score guidance rates how closely your keywords, ads and landing page match each other.
We use 10 to 15 keywords per ad group. We also add negative keywords that block searches for services you don’t offer. Google rewards this focus with a stronger ad rank, and wasted clicks fall away.
Keyword Match Types Decide Which Service Your Ads Show For
Choosing the right match types stops your plumbing ads from showing for roofing searches. Every match type trade reaches for control. A multi-service account needs control far more than it needs volume.
The table below shows how each match type behaves once your ads go live.
| Match type | How it behaves | Best use across multiple services |
|---|---|---|
| Broad match | Google decides which related searches count as relevant. | Only with smart bidding and solid conversion data behind it |
| Phrase match | Triggers on searches containing your phrase in order | Core terms inside every search campaign you run |
| Exact match | Triggers on that search and its close variants | Your highest value service terms and brand names |
Start each new service on phrase match and exact match. Review your search terms report weekly before you allow broad match into any campaign. This order keeps your structure clear to Google, and it stops one service from bidding on another service’s traffic.
Splitting Budget Between Your Highest Value Service Campaigns
With targeting in place, the next step is dividing your budget. Many owners set budgets around their most frequent jobs, not their most profitable ones. An equal split looks fair on paper, but it rarely reflects what each job is worth to you.
Test every service against these three checks before you set a daily budget.
- Job Value First: Rank services by profit per booked job rather than by lead volume. Twenty cheap enquiries can earn less than three large ones. Give your top earner the largest daily budget, and let the other services share what remains.
- Search Demand Reality: Google Keyword Planner shows monthly search volume for each service. A campaign with 200 searches a month cannot spend a large budget. Check real demand before you set campaign budgets, and move any surplus to services that can use it.
- Seasons Change the Split: Demand for most services rises and falls through the year. Aircon work outruns heating in summer, and gutter cleaning peaks before autumn storms. Review your split every month instead of setting it once in January.
Your Google Ads budget should follow profit, not habit. A monthly check will help you catch budget drift before it costs you a full quarter of leads.
How Do You Track Performance Across Multiple Service Campaigns?
You track performance across multiple service campaigns by comparing cost per lead at campaign and ad group level. This step tells you whether your budget split is working. Account-wide averages hide problems, because one cheap service can mask another that costs three times as much per enquiry.
Conversion tracking has to be accurate before any of these numbers mean anything. Calls, forms and bookings should each record as separate conversion actions. Link Google Analytics as well, because it shows what people did after the click (engagement time shows how interested they were).
Once tracking is accurate, judge each campaign against its own target CPA rather than against other campaigns. An emergency call-out will always cost more to win than a routine service. Our team reviews client accounts every fortnight and only acts once a campaign has 30 conversions, because smaller samples produce misleading results.
Take care when you run Performance Max alongside search campaigns. Performance Max can claim credit for leads your search keywords would have won. Separating its reporting from the search often clarifies results more than any bid change will.
Good PPC account management relies on a simple habit. Pull your numbers at the same time each fortnight so comparisons stay fair. Record every change in a shared sheet that your whole team can access.
Give Each Service the Structure It Deserves
Structuring your Google Ads this way gives every service its own budget, its own ads and its own results. It also makes your reporting honest and your spending deliberate.
Start with your highest-earning service and build it properly. Then add your other services one at a time. A structure built around your services will usually outperform bidding tweaks over time.
SlamStop manages Google Ads campaigns for businesses that offer several services. Contact the SlamStop team to review your account structure and direct your budget towards the work that pays best.