Access to Google Tools (Google Marketing Platform)
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Google Ads, Google Analytics 4, Google Tag Manager, and Google Merchant Center are tools for managing online advertising activities. However, to use them effectively and securely—especially when collaborating with marketing agencies, freelancers, or other team members—it is extremely important to manage access precisely. In this article, we will explain the access levels in each tool, how to grant or revoke access, and what to pay attention to in order to maintain account security.
In Google Ads, there are five access levels, with Admin having the most capabilities and Email only having the least.

Source: Google Ads panel
Granting such access is a quick and straightforward process:

Source: Google Ads panel
The invited person will receive an email with a link, and upon clicking it, they will be able to accept the invitation.
The domain of this email address is not on the list of allowed domains. To make changes to this list, update the security settings. If this occurs, go to the Security Settings tab and add an allowed domain. For example, if you set “xyz.com” as an allowed email domain, you will be able to invite users with email addresses in the format [email protected].
If you want to restrict access for a user (e.g., after finishing collaboration with an agency), you can easily remove it:
The user will lose access to the account immediately after removal.
A Google Ads Manager Account is a tool designed for advertising agencies, freelancers, and teams managing multiple ad accounts. Instead of granting access to each person individually, you can link your Google Ads account to a manager account (e.g., an agency managing your advertising campaigns). To do this:

Source: Google Ads panel

Source: Google Ads panel
Enter the account ID > Send Request.

Source: Google Ads panel
After the agency sends the invitation, you must approve the request.
In the case of ending collaboration, consider revoking access to your account for the agency. For example:
At this point, the specific manager account will no longer have access to your Google Ads account.
In Google Merchant Center, there are three main sections related to access:

Source: Google Merchant Center panel

Source: Google Merchant Center panel

Source: Google Merchant Center panel
The user who has been granted access will receive an invitation to the provided email address. After accepting it, they will be able to log into the account. The invitation expires 14 days after access is granted.
If you want to remove access to the Google Merchant Center account, the process is very simple:

Source: Google Merchant Center panel

Source: Google Merchant Center panel
Removing a user immediately revokes their access to the account.
Google Analytics 4 allows you to assign different access levels, which control the actions users can take. The panel allows you to add access either to the entire account or to specific properties. Here are the main types of permissions:

Source: Google Analytics 4 panel
Granting access in GA4 is quick and intuitive, provided you have administrator rights. Here are the steps:

Source: Google Analytics 4 panel

Source: Google Analytics 4 panel

Source: Google Analytics 4 panel

Source: Google Analytics 4 panel

Source: Google Analytics 4 panel

Source: Google Analytics 4 panel
If you want to restrict or completely revoke a user’s access, you can do so in a few simple steps:

Source: Google Analytics 4 panel
Google Tag Manager allows assigning different access levels to users, both at the account level and for individual containers. Here are the available options:
Account Access Levels:

Source: Google Tag Manager panel
Container Access Levels:

Source: Google Tag Manager panel
To grant access in GTM, you must have administrator rights. Here are the steps:

Source: Google Tag Manager panel

Source: Google Tag Manager panel

Source: Google Tag Manager panel
Revoking access in GTM is just as simple as granting it. Follow these steps:

Source: Google Tag Manager panel

Source: Google Tag Manager panel
Managing access to Google tools such as Google Ads, Merchant Center, Analytics, and Tag Manager is the foundation of secure and convenient collaboration. Deciding who has access and to what extent ensures smooth tool operation and data protection. Granting and revoking permissions is simple, and various access levels—from Administrator to Viewer—allow roles to be tailored to specific needs. This provides control over accounts and facilitates teamwork without unnecessary complications.