The simple answer

Use campaigns for meaningful budget, location, or goal differences. Use ad groups for closely related customer needs.

Google Ads campaign structure is the way an account is organized.

The basic hierarchy is:

Account → campaigns → ad groups → ads and keywords

Each level has a different job. A clean structure makes it easier to control budgets, show relevant ads and see which services produce calls, customers and revenue.

The Simple Answer

Separate campaigns when the business needs different budgets, locations, bidding or advertising goals.

Inside each campaign, group closely related searches into ad groups. Each ad group should connect one clear customer need with a relevant ad and landing page.

The best structure is not the one with the most campaigns. It is the simplest structure that gives the business useful control.

The Google Ads Account Hierarchy

Google describes its account organization in three main layers: account, campaigns and ad groups. Ads and keywords sit inside the ad groups.

LevelWhat it controls
AccountAccess, billing and links to tools such as analytics
CampaignBudget, bidding, locations, language, network and campaign goal
Ad groupA focused set of ads, keywords or targeting
KeywordsThe searches the advertiser wants to reach
AdsThe message a potential customer sees
Landing pageThe page a customer reaches after clicking

Settings applied at the campaign level affect the ad groups inside that campaign.

If two services need different budgets or locations, they probably need separate campaigns. If they share those settings but answer different searches, they may only need separate ad groups.

For the complete setup process, watch Darlington's Google Ads Course 2026.

What Belongs at the Campaign Level?

Create a separate campaign when you need independent control over:

Do not create a separate campaign merely because another campaign would make the account look more organized.

Every additional campaign splits the budget and conversion data. If several campaigns pursue the same customers with the same settings, consolidation may create a clearer answer.

What Belongs in an Ad Group?

An ad group should represent one clear service, product or customer need.

A garage-door company might use ad groups such as:

Each ad group should have:

Someone searching for emergency repair should not receive an ad focused on new door styles.

Google recommends grouping related ads with related keywords so the message is useful for the search.

A Simple Local-Service Campaign Structure

Here is a practical starting point for a garage-door company serving one market.

CampaignAd groupsWhy it is separate
Brand SearchCompany name and common brand variationsProtects and measures searches for the business
Repair SearchGeneral repair, spring repair and opener repairFocuses on urgent service demand
Installation SearchNew doors, replacement and custom doorsDifferent customer need and sales value

The Repair campaign may contain three ad groups:

  1. General garage door repair
  2. Broken spring repair
  3. Garage door opener repair

This provides control without creating a separate campaign for every keyword.

How to Decide Whether to Split or Combine

Use this rule:

Split when the business decision is different. Combine when only the wording is different.

Split when:

Combine when:

Structure Around Customers, Not Internal Departments

The customer does not know how the business is organized.

A company may have separate internal teams for repairs and maintenance, but customers may use the same searches for both. Another company may treat installation and repair as one department even though customers view them as completely different purchases.

Build the account around how people search and buy.

Ask:

Keep the Customer Path Consistent

A strong ad group repeats the same idea from search to page:

Search → keyword → ad → landing page → call or form

Example:

That consistency can improve the customer experience and make the campaign easier to diagnose.

The Google Ads Quality Score guide explains how ad relevance and landing-page experience fit into this process.

Common Campaign-Structure Mistakes

One Campaign for Everything

Mixing services, products, locations and goals makes budget control difficult.

One Campaign for Every Keyword

Extreme separation creates maintenance work and leaves each campaign with little data.

One Ad Group With Unrelated Keywords

One ad cannot clearly answer several unrelated customer needs.

Mixing Brand and Non-Brand Searches

People who already know the business behave differently from people discovering it. Separate reporting prevents easy brand sales from hiding weak new-customer campaigns.

Copying the Website Menu Exactly

The website can inspire the structure, but the account should reflect real searches and customer intent.

Rebuilding the Account Without a Reason

Google warns that major reorganization can discard useful history. Change the structure when it improves a business decision, not because a new diagram looks cleaner.

A Simple Setup Checklist

Before launching, confirm:

  1. Each campaign has one clear business goal.
  2. Services with different budgets or locations are separated.
  3. Brand and non-brand traffic are easy to distinguish.
  4. Each ad group covers one clear customer need.
  5. Keywords, ads and landing pages match.
  6. Conversion tracking measures calls, leads and sales.
  7. The budget is large enough to produce useful activity.
  8. Naming makes reports easy to understand.

For step-by-step campaign creation, use Darlington's Google Search Ads tutorial.

Want better results from your advertising?

We manage campaigns, tracking, and reporting around customers and revenue—not activity for its own sake.

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What is the basic Google Ads campaign structure?

An account contains campaigns. Campaigns contain ad groups. Ad groups contain ads and keywords.

How many campaigns should a Google Ads account have?

There is no universal number. Create enough campaigns to control meaningful differences in budget, location, goal or customer intent. Avoid splitting the account so far that every campaign lacks data.

How many ad groups should be in one campaign?

Use as many as needed to represent the campaign's distinct customer needs. Each ad group should remain focused and support a relevant ad and landing page.

Should every service have a separate campaign?

Not automatically. Use a separate campaign when the service needs its own budget, location, bidding or goal. Otherwise, a separate ad group may be enough.

Should brand keywords have their own campaign?

Usually yes. Brand searches behave differently and should not hide the cost of acquiring customers who did not already know the business.

The Bottom Line

Good Google Ads campaign structure creates clear decisions.

Use campaigns for meaningful differences in budget, location and goals. Use ad groups for closely related customer needs. Keep keywords, ads and landing pages focused on the same result.

Then measure which structure produces customers and revenue.

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