The ideal Google Ads account structure explained

A Google Ads account is more than a collection of campaigns. It is the architecture that determines whether your advertising budget is used effectively or largely wasted. In 2026, a well-thought-out account structure is more important than ever, because Google's algorithms increasingly rely on how campaigns, ad groups and keywords are organised to recognise relevant signals and allow Smart Bidding to work effectively. Whether you run an e-commerce store or generate leads for a service business, the foundation of your account determines the ceiling of your results.

In this article, we explain step by step what the ideal Google Ads account structure looks like, what choices you make at each level, and how AdBrains fully automates this process using proprietary AI technology.

Why account structure is so decisive

Weak vs. ideal account structure

What distinguishes a well-structured Google Ads account from a poorly structured one?

Weak structure

• All products in one campaign
• Broad ad groups without focus
• No negative keywords
• Manual bidding without data
• RSAs with low Ad Strength
• No separate brand campaign
• Mixed match types per ad group

Ideal structureRecommended

• Campaigns per product/service/goal
• Focused ad groups per theme
• Active negative keywords management
• Smart Bidding with tCPA or tROAS
• RSAs with high Ad Strength
• Separate brand and generic campaign
• Consistent match type strategy

Many advertisers underestimate how strongly the internal organisation of a Google Ads account affects performance. A poorly structured account has fragmented conversion data, conflicting keywords and ads that do not match the user's search intent. The result is a low Quality Score, higher CPC and poor ROAS.

A well-structured account, on the other hand, guides the algorithm in the right direction. Smart Bidding works better when conversion paths are logically organised, when there are enough conversions per campaign and when the relevance of keywords and ads is high. In short: the structure is the foundation on which all automation and optimisation is built.

Advertisers who restructure their account typically see significant improvements across virtually all important KPIs. A higher CTR, lower CPA, better Quality Score and more tracked conversions are typical outcomes of a well-considered reorganisation.

The five layers of a Google Ads account

The layers of a Google Ads account

From account level to individual ad

100 Account

Budgets & access

80 Campaign

Goal, network & daily budget

60 Ad Group

Theme & keyword group

40 Keyword

Search intent & match type

20 Ad (RSA)

Message & Ad Strength

Each layer controls the layer below it

A Google Ads account is built from five hierarchical layers. Each layer has its own function and controls the layers below it. Understanding this structure is essential for anyone who wants to get serious about Google Ads.

1. Account

The account level is the outermost layer. Here you set up billing, time zone and access. Multiple campaigns can exist within one Google Ads account. For most businesses, one account is sufficient, unless there are multiple brands or regions to manage that need to remain completely separate.

2. Campaign

At the campaign level, you define the objective, the network (search network, display, Performance Max), the daily budget and the bidding strategy. This is also the level where you manage geographic targeting, language settings and ad scheduling. A good campaign structure groups campaigns based on shared objectives, budgets or products/services.

3. Ad Group

The ad group is the bridge between campaign and keyword. An ad group contains a set of closely related keywords and the corresponding ads. The golden rule is one theme per ad group. This ensures maximum relevance between search term, keyword, ad and landing page, which directly improves Quality Score.

4. Keywords

At the keyword level, you choose the search terms you want to appear for and the match types: broad match, phrase match and exact match. Each match type offers a different degree of control and reach. In 2026, broad match combined with Smart Bidding is increasingly used as a powerful pairing, provided the account structure and conversion measurement are solid.

5. Ads (RSA)

The Responsive Search Ad (RSA) is the most widely used ad format in the search network. Google automatically combines headlines and descriptions to show the best-performing combination. A high Ad Strength, relevant keywords in the headlines and a clear call-to-action are essential for an effective RSA.

Campaign structure: how do you organise your campaigns?

The most effective basic rule is separating campaigns by search intent. Someone searching for a brand name has a different intent than someone searching for a generic term. Always keep brand and non-brand separated in different campaigns, so budgets and bidding strategies can be managed independently.

For a lead generation advertiser like Clima-Active.nl, which generates quote requests for air conditioning installations and heat pumps, it makes sense to place airco and heat pump in separate campaigns. Search intent, seasonal patterns and margin per lead can differ significantly. With separate campaigns, you can set tCPA or tROAS per service and track performance precisely.

Performance Max (PMax) campaigns are a standard part of virtually every Google Ads account in 2026. However, PMax is not a replacement for a well-considered search network structure. Use PMax as a complement to your existing search campaigns, with clear asset groups per product category or audience, and ensure your search campaigns are protected via negative keywords to prevent PMax and search from cannibalising each other's traffic.

Keywords and match types: a strategic choice

Match type	Reach	Control	Best used for
Broad match	Very large	Low (AI-driven)	Scaling with Smart Bidding, discovery of new search terms
Phrase match	Medium	Medium	Specific intent with some flexibility
Exact match	Small	High	High-value terms, brand keywords, proven converters

A proven approach is to first test new keywords via phrase match or broad match (with sufficient Smart Bidding data) and then, once they consistently convert, add them as exact match in a separate campaign or ad group. This gives you both reach and control.

Negative keywords are at least as important as the keywords themselves. An active list of negative keywords prevents your budget from being wasted on irrelevant searches. Manage your negative keywords at both campaign level and ad group level for maximum precision.

Key best practices for ad groups

• Maximum 10 keywords per ad group for optimal relevance
• At least 3 RSAs per ad group for sufficient testing material
• At least 1 pinned headline containing the primary keyword
• Landing page exactly aligned with the ad group theme
• Negative keywords at ad group level to prevent overlap

How AdBrains automates this with proprietary AI

Manually building and maintaining an ideal account structure is time-consuming and error-prone. AdBrains has developed a suite of AI modules that fully automate this process, ensuring your account structure is always optimal without requiring a daily review by an account manager.

AdBrains' automated search term mining analyses all incoming search terms at account and campaign level every day. Irrelevant search terms are automatically detected and added as negative keywords, continuously counteracting budget waste. This is one of the most valuable functions for advertisers managing high volumes of daily search terms.

The Keyword Incubator is another key module. New keywords identified through search term mining or strategic research are first placed in a separate incubator campaign. Only once a keyword has accumulated sufficient conversion data and proven itself is it automatically promoted to the production campaign. This prevents unproven keywords from disrupting the Smart Bidding algorithm.

AdBrains' RSA improvement system continuously monitors the Ad Strength scores of all active ads. RSAs with POOR status are automatically analysed and rewritten, keeping ad relevance high across the entire account. At the same time, the auto campaign expansion module automatically recognises growing search terms and creates new ad groups or campaigns based on that growth, allowing the structure to scale organically with market developments.

For bidding strategy optimisation, the automatic tCPA/tROAS system adjusts bidding strategies daily based on current conversion volume and margin targets. If a campaign has insufficient conversions for Smart Bidding, the strategy-switch system automatically shifts to a safer strategy and reactivates Smart Bidding once the conversion volume recovers. This ensures the account structure is not only architecturally sound but also algorithmically in its best possible state at all times.

Conversion tracking as the foundation of structure

Impact of a good account structure on KPIs

Average improvement after restructuring a Google Ads account

Higher CTR

42%

Lower CPA

31%

Better Quality Score

28%

Higher ROAS

38%

More tracked conversions

24%

A beautiful account structure without reliable conversion tracking is a building without a foundation. Smart Bidding strategies such as tCPA and tROAS are entirely dependent on the quality of the conversion signals they receive. The more accurate the conversion data, the better the algorithm performs.

In 2026, server-side tracking is the standard for serious advertisers. Via a server-side Google Tag Manager (sGTM) setup, Enhanced Conversions become possible, first-party data points are enriched and conversions are less vulnerable to ad blockers and cookie restrictions. Advertisers implementing server-side tracking see on average 24% more tracked conversions, which significantly improves Smart Bidding algorithm performance.

Always ensure that conversion tracking is set up at the correct level. Set primary conversions (purchases, leads) as bidding conversions and secondary conversions (page views, add to cart) as observation-only conversions. This prevents the algorithm from optimising on soft signals that represent little business value.

Key takeaways for building the ideal structure

• Always separate brand and non-brand into separate campaigns
• Organise campaigns by product, service or intent, not by chance
• Create thematic ad groups with maximum keyword-ad relevance
• Set Smart Bidding at campaign level with realistic tCPA or tROAS targets
• Use Performance Max as a complement to, not a replacement for, search campaigns
• Actively maintain negative keyword lists at both campaign and ad group level
• Ensure reliable conversion tracking as the basis for all automation

Frequently asked questions about Google Ads account structure

How many campaigns should a Google Ads account have?

There is no fixed norm. The number of campaigns depends on the number of products or services, available budgets and the degree of segmentation desired. As a rule of thumb, each campaign should have enough budget to generate at least 30 to 50 conversions per month so that Smart Bidding can function well. Too many campaigns with too little budget per campaign is a common mistake that undermines Smart Bidding performance.

What is the difference between a campaign and an ad group?

A campaign is the outer container that defines the objective, network, budget and bidding strategy. An ad group is a sub-layer within a campaign that groups keywords and ads based on a shared theme. All ad groups within one campaign share the budget and bidding strategy of that campaign.

How often should I review my account structure?

Ideally, assess your account structure quarterly, or after significant changes such as adding new products, changing bidding strategies or launching new landing pages. In practice, continuous monitoring via automated tools, such as AdBrains' AI modules, is more effective than periodic manual reviews.

Is Performance Max a replacement for search network campaigns?

No. Performance Max is a supplementary campaign type designed to maximise reach across all Google channels including the search network, display, YouTube, Gmail and Maps. It does not replace targeted search network campaigns with thematic ad groups and specific keywords. The best results are achieved when PMax and search campaigns coexist, with clear delineation through negative keywords and asset group structure.