How to find your Google Ads manager account (MCC) ID
Where your Google Ads manager account ID is, how it differs from a client account ID, and why clients link their account to it instead of adding you as a user.
September 29, 2026 · 2 min read
Guides
Get client access right the first time
Where each ID is, what to click, and what Meta and Google require in 2026: for agencies and for the clients who give them access.
Featured · Agency playbook
The client access checklist for agency onboarding
Which accounts an agency needs from a new client for paid social, Google Ads and e-commerce, what to send the client, and the three things that usually hold access up.
September 29, 2026 · 3 min read
Meta
How to find your Meta Business ID
Where the Business ID of a Meta business portfolio is, how it differs from an ad account ID and a Page ID, and which one your clients need to give you access.
September 29, 2026 · 2 min read
How to give an agency access to Google Analytics 4
Add your agency to a GA4 property with the right role in a few clicks, what each role allows, and why the email must be a real Google account.
September 29, 2026 · 2 min read
How to give an agency access to Google Tag Manager
Add your agency to a Google Tag Manager container with the right permission, what Read, Edit, Approve and Publish allow, and how to keep other containers private.
September 29, 2026 · 2 min read
How to give an agency access to Google Search Console
Add your SEO agency to a Search Console property as a full or restricted user, who can add users, and the difference between a domain and a URL-prefix property.
September 29, 2026 · 2 min read
Google Ads now needs a passkey: what agencies should know
Since August 2026 Google Ads asks for a passkey to link accounts and to sign in to tools. Why a new passkey can take up to 7 days, and how to avoid a stuck client.
September 29, 2026 · 4 min read
Meta
How to give an agency access to your Meta ad account
For businesses working with an agency: share your Meta ad account, Facebook Page and pixel with the agency's business portfolio, without sharing a password.
September 29, 2026 · 2 min read
Shopify
Shopify collaborator request code: what agencies need
How agencies get collaborator access to a client's Shopify store: where the store owner finds the collaborator request code, how the request is approved, and which permissions to give.
September 29, 2026 · 2 min read
Comparing tools? See Leadsie, ClientInvite and AgencyAccess next to Agency Client Onboarding.