Anyone can write "certified" on a website. A certificate carries a date, an expiry, and an ID you can check. These are the current certifications behind the account work, documents included.
Issued by Google through Skillshop, renewed every year. Each card links to the certificate document with its ID.

Google's assessment of building and running Search campaigns: keyword strategy, ad formats, bidding, and optimizing for performance against business goals.
View the certificate →
The retail side of Google Ads: product feeds, Merchant Center, and AI-driven Shopping campaigns that sell from the product data up.
View the certificate →
Google's certification for AI-powered campaign types: Performance Max, value-based bidding, and running automation without surrendering control.
View the certificate →A certification proves the operator studied the platform seriously and passed Google's current exam for it. It proves fluency in how the machine works today, not two redesigns ago, because these expire and get renewed every year.
What it does not prove is results. No exam can. That weight is carried by the case studies, published with real numbers and client approval.
Both together are the point: certified on the theory, verifiable on the outcomes. If an agency offers you neither, ask why.
See what certified operation looks like on your own account. Free, documented, yours to keep.