Guide

Ad campaign structure: account, campaign, ad group, ad

Published: · 5 min read

Hierarchy diagram above a laptop: campaign, ad groups and ads connected together

Opening an ad account for the first time, the number of settings can feel overwhelming. The good news is that nearly every major platform uses the same basic logic: a layered structure where each level controls different things.

Once you understand what's decided at each level, you can build tidy campaigns that are easy to read in reports and easy to improve. This guide explains the structure using Google Ads and Meta Ads as examples, with the terms each one uses.

The four levels at a glance

  1. Ad account: billing, currency, time zone, user access and conversion tracking.
  2. Campaign: the objective, the budget (usually) and often the bid strategy.
  3. Ad group (on Meta: ad set): who sees your ads and where, meaning keywords, audience, locations and placements.
  4. Ad: what people actually see, meaning copy, images, videos and the page it links to.

Think of them as nested drawers: the account holds campaigns, a campaign holds groups, a group holds ads. Settings at one level apply to everything inside it.

Account level: the foundation

At account level you set things that rarely change: payment method, currency and time zone (which usually can't be changed later), and who has access with which permissions.

This is also where, directly or through linked tools, you set up conversion tracking: what a result means for you (an order, a call, a form) and how the platform measures it. It's the most important setting of all, because without it you can't tell which ads make money. The steps differ by platform and are described in the Google Ads Help Center and the Meta Business Help Center.

Campaign level: objective and budget

A campaign answers “what do I want to achieve, and with what money?”. Here you choose the campaign type (for example Search, Shopping or Performance Max in Google Ads, or an objective such as sales, leads or traffic on Meta) and the budget.

In Google Ads the budget is almost always set at campaign level. On Meta you can choose between a campaign budget, which the platform splits across ad sets itself, and a budget for each ad set.

How to split campaigns

A good rule: create separate campaigns when you need separate budgets or different objectives. Common examples:

  • one campaign per major product or service category, if you want to control spend on each separately;
  • separate campaigns per country or language;
  • separate campaigns for new customers and for bringing back past visitors (remarketing).

Don't overdo it, though: lots of campaigns with small budgets collect data too slowly. On a tight budget, fewer well-planned campaigns usually work better. More on that in our guide to a small business ad budget.

Ad group level: who and where

Coloured cards arranged in columns on a monitor, like well-organised ad groups

In Google Ads, an ad group brings together related keywords and the ads that match them. The idea is simple: someone searching for “scented candle gift” should see an ad about gift candles, not a generic ad for your whole shop. That's why you group keywords into tight themes and write ads specific to each theme.

On Meta, the ad set defines the audience (location, age, interests, customer lists), the placements (Facebook, Instagram, Stories, Reels) and the schedule. If you want to compare two audiences, put them in separate ad sets so you can see each one's results.

A good ad group has one clear theme. If you can't write one ad that fits every keyword in the group, the group needs splitting.

Ad level: what the customer sees

The ad is the only part the customer sees. In search that means headlines and descriptions; on social it means an image or video, text and a button. Either way, the landing page matters too: if the ad promises gift candles, the page should show gift candles, not your home page. If you don't have a suitable page yet, it's worth getting a business website or online shop built before running ads; e-web.ro belongs to the same team.

Put two or three ad variations in each group or set so the platform can see which performs better. Change one element at a time so you know what made the difference.

Clear naming and common mistakes

An often-ignored detail is naming. Three months from now, “Campaign 4 copy” will mean nothing. Use a simple convention, such as network, type, theme and country, so reports explain themselves.

Common structural mistakes:

  • every keyword in one group, with a single generic ad for all of them;
  • dozens of near-identical campaigns, each with too little budget to learn;
  • the same audience targeted in several ad sets that compete with each other;
  • no conversion tracking, which makes any structure hard to evaluate;
  • no negative keywords, letting ads show for irrelevant searches (see our negative keywords guide).

Build campaigns in a chat with adscontrol.ai

With adscontrol.ai you can describe what you want in plain words, for example “create a search campaign for gift candles with a small daily budget, targeting Manchester”, and the assistant prepares the structure: copy, keywords and targeting. Before creating anything, it shows you the proposal to confirm, edit or cancel.

New campaigns are created paused, so you can check them calmly before switching them on. You can also ask for an analysis of existing campaigns to see where the structure could be improved. Plan details are on the pricing page; you can start free with no card.

Frequently asked questions

What's the difference between an ad group and an ad set?

They're equivalent: Google Ads uses the term ad group, Meta uses ad set. In both cases, this is the level where you decide who sees your ads and where.

How many ads should I have in a group?

Platforms generally recommend several variations so they can test which works best. Two or three clearly different variations are a reasonable start; check each platform's current recommendations in its documentation.

Is it better to have many campaigns or few?

It depends on your budget and goals. Create separate campaigns when you need different budgets or objectives. On a small budget, fewer campaigns gather data faster and are easier to optimise.

Can I change a campaign's structure after launch?

Yes, but major changes can restart the algorithm's learning period. It's better to make gradual changes and note them down so you can track the effect of each.

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