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Read-only analytics review

GA4 Audit Service: Find Out If Your Google Analytics Data Can Be Trusted

When GA4 data is wrong, every decision built on it is wrong too. Budgets move to the wrong channels, effective campaigns get cut, and nobody can confidently explain what is working.

A MetaXell GA4 audit examines every part of your setup and gives you a clear, prioritized plan for what to fix.

Request a GA4 Audit
GA4 audit reviewing Google Analytics data accuracy
10
Audit areas
Read-only
Review
5–10
Business days

Why a Google Analytics audit matters

GA4 is powerful but easy to configure badly. Most properties we review contain at least one serious problem, such as missing conversions, duplicate events, broken cross-domain tracking, spam traffic, or inaccurate attribution.

These problems are often invisible until a specialist investigates them. An audit establishes which numbers are reliable today, which are not, and what correcting them will require.

A trustworthy baseline

Know what you can confidently use for decisions now and where measurement risk is distorting marketing performance.

Complete technical review

What our GA4 audit covers

Ten connected areas that determine whether the numbers reaching your reports are complete, accurate, and usable.

Property settingsTime zone, currency, data retention, Google Signals, internal traffic filters, and referral exclusions
Data streamsEnhanced measurement, cross-domain setup, duplicate streams, and app and web connections
Tag implementationGA4 placement, Google Tag Manager, duplicate tags, firing rules, and page-load issues
EventsNaming, duplicates, missing parameters, custom dimensions, and metrics
ConversionsKey events, assigned values, and alignment with sales and CRM data
eCommercePurchase, add-to-cart, checkout, revenue, refund, and product data accuracy
AttributionTraffic sources, UTM usage, direct and unassigned traffic, and self-referrals
IntegrationsGoogle Ads, Search Console, BigQuery, and Merchant Center connections
PrivacyCookie banner, Consent Mode v2, collection settings, and personal data in URLs
ReportingExplorations, audiences, custom reports, and Looker Studio connections

What you get

A written audit report explaining every issue in plain English
A priority score for each issue so you know what to fix first
Step-by-step instructions your team or developer can follow
A 30-minute walkthrough call to discuss findings and questions
An optional implementation quote if you want us to complete the fixes

Our audit process

  1. 1

    Access

    You provide read access to GA4 and Google Tag Manager. We never need your passwords.

  2. 2

    Review

    We test the website, inspect tags in real time, and review settings and collected data.

  3. 3

    Compare

    Where available, we reconcile GA4 against advertising, CRM, or store data.

  4. 4

    Report

    We document every finding with its priority, impact, and recommended fix.

  5. 5

    Walkthrough

    We present the results, answer questions, and agree on practical next steps.

Common problems we find

Quiet errors that can materially change reported performance and automated bidding.

Form submissions counted twice—or not at all
GA4 purchase revenue that does not match the store
Payment gateways appearing as referrals and taking credit for sales
Internal team activity inflating visitor numbers
Google Ads importing the wrong conversions and harming bidding
Personal data such as email addresses appearing in page URLs
Consent settings blocking more useful data than necessary

Who needs a GA4 audit

Any team making consequential decisions from analytics it has not independently validated.

Businesses that moved to GA4 but never validated the setup
Marketing teams preparing to increase advertising spend
Companies whose analytics does not match sales data
New marketing managers inheriting an unknown configuration
Businesses preparing for a website redesign or relaunch

GA4 audit FAQs

What the audit covers, what access is required, and what happens next.

A GA4 audit is a complete review of your Google Analytics 4 setup. It checks settings, tags, events, conversions, attribution, integrations, and privacy configuration to determine whether your data is accurate and complete.

Get a clear picture of your data

Start with a free 15-minute GA4 health check. If we find problems, we will show you exactly what a full audit would cover.

Get My Free GA4 Health Check
Explore our Analytics service.•Rebuild tracking with GA4 migration.•Work with a Google Analytics consultant.