Google Analytics agency

Reliable data starts with a reliable setup.

 

Google Analytics 4 is one of the most powerful analytics platforms available – but only when it is configured properly. We’re a Google Analytics agency that helps businesses audit, implement and optimise GA4 environments that provide clearer insight into users, journeys, channels and commercial performance.

Most GA4 setups are technically collecting data – but not measuring performance properly.

Google Analytics 4 introduced a major shift in how digital behaviour is tracked and interpreted.

Many businesses migrated from Universal Analytics with minimal restructuring, leaving GA4 environments poorly configured, inconsistently tagged or disconnected from commercial reporting requirements. Important events may not be tracked correctly. Conversions may be duplicated or missing entirely. Referral exclusions, consent settings and cross-domain journeys may all distort reporting accuracy.

This creates significant reporting and decision-making problems.

Marketing teams often struggle to trust the data they are seeing. Channels appear to overperform or underperform inconsistently. Dashboards fail to align with commercial reporting. Stakeholders lose confidence in measurement because different platforms report conflicting numbers.

Submerge is a Google Analytics agency that helps businesses build GA4 environments designed around meaningful measurement rather than default platform configuration.

We work across event architecture, conversion setup, attribution configuration, ecommerce tracking, GTM integration, consent-aware measurement, reporting frameworks and dashboard environments to improve how businesses understand user behaviour and marketing performance.

Good GA4 consultancy is not simply about implementation.

It is about helping businesses understand:

  • how users interact with websites
  • which channels influence conversions
  • where journeys break down
  • how campaigns contribute to revenue
  • which KPIs matter most
  • and how performance should be measured consistently across teams.
SEMrush Agency Partner

We’re a fully Certified SEMrush Agency Partner – we integrate GA4, GSC, Google Ads and 80+ integrations so you have the complete picture.

WP Engine Agency Partner

We’re a Certified WP Engine Agency Partner – we build and optimised WordPress sites with full Google Analytics integration so you can measure performance.

Cyber Essentials Certified

We’re Cyber Essentials Certified – Security-conscious technical delivery aligned with recognised UK cybersecurity standards.

Built for performance clarity

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Google Analytics 4 expertise

GA4 setup & migration

Many GA4 implementations were created quickly during the transition away from Universal Analytics, often without properly redesigning tracking structures or reporting frameworks.

We configure GA4 environments around how businesses actually measure success. This includes property structure, data streams, event architecture, conversion setup, referral exclusions, audience configuration, ecommerce tracking and attribution settings.

We also support businesses migrating from legacy analytics setups, ensuring historical reporting continuity, cleaner event structures and more commercially useful measurement environments.

A well-configured GA4 property should support decision-making – not create uncertainty around performance data.

GA4 property configuration
Universal Analytics migration support
Event architecture planning
Ecommerce & conversion setup
Google Analytics agency - GA4 set up and migration

Event & conversion tracking

GA4 relies heavily on event-driven measurement.

Without properly structured events, businesses often struggle to measure meaningful user behaviour across websites and campaigns. Important interactions may go untracked, while duplicated or inconsistent events can distort reporting and attribution.

We design tracking frameworks around commercially relevant actions. This may include form submissions, lead generation events, ecommerce actions, downloads, phone calls, booking journeys, user engagement signals and multi-step conversion pathways.

We also work across Google Tag Manager, dataLayer configuration and consent-aware event deployment to improve measurement accuracy across increasingly privacy-conscious environments.

Event tracking configuration
Conversion architecture setup
GTM & dataLayer integration
Consent-aware measurement
Google Analytics agency - event and conversion tracking

Analytics audits

Many GA4 properties contain hidden reporting problems that significantly affect data quality.

Common issues include duplicated conversions, broken attribution pathways, inconsistent event naming, incorrect referral handling, poor UTM governance, missing ecommerce values, incomplete cross-domain tracking and conflicting reporting structures.

Our analytics audits examine the technical health of GA4 environments alongside the usefulness of reporting outputs. We review property configuration, event implementation, attribution settings, consent impacts, tracking consistency and reporting reliability to identify the gaps affecting performance visibility.

The aim is not simply technical compliance, but creating analytics environments that stakeholders can trust.

GA4 diagnostic reviews
Conversion & attribution auditing
Tracking consistency analysis
Reporting integrity assessment
Google Analytics agency - analytics audits

Reporting & integrations

GA4 becomes significantly more valuable when connected to wider reporting and business systems.

We help businesses integrate GA4 with platforms such as Data Studio (formerly Looker Studio), AgencyAnalytics, Google Search Console, CRM systems, ecommerce platforms and wider marketing reporting environments to create clearer performance visibility across channels and customer journeys.

This allows businesses to combine analytics data with commercial reporting, revenue tracking, lead quality analysis and KPI frameworks tailored around operational decision-making.

Strong integrations help transform GA4 from a standalone analytics platform into part of a broader measurement ecosystem.

Dashboard & reporting integration
CRM and ecommerce connectivity
API-connected reporting environments
Cross-platform performance visibility
Google Analytics agency - discussing reporting and integrations
Digital marketing meeting in progress

Analytics is becoming harder – and more important.

Modern customer journeys are increasingly fragmented across platforms, devices and discovery environments. Privacy changes, consent requirements, AI-powered search experiences and multi-touch journeys are making attribution and measurement more complex than ever. At the same time, businesses still need clear visibility into which activities are driving engagement, leads and revenue.

This means analytics environments need stronger governance, cleaner event structures and clearer reporting frameworks. Reliable measurement increasingly depends on thoughtful implementation rather than default platform setups alone.

Start with a Google Analytics agency review

Discover whether your analytics setup delivers accurate, commercially useful reporting.

We assess GA4 configuration, event structures, conversion tracking, attribution settings, GTM implementation, consent impacts, dashboard integrations and reporting reliability.

Book a consultation

Visibility success stories

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Poor analytics creates poor decisions.

Many businesses are making strategic marketing decisions using incomplete, inconsistent or technically flawed reporting environments. Missing events, broken attribution, weak tracking governance and disconnected dashboards can all distort performance visibility across channels and campaigns.

Strong GA4 implementations create cleaner measurement foundations. When tracking is properly structured, businesses gain clearer visibility into user behaviour, conversion pathways, campaign contribution and commercial performance – helping teams make more confident decisions across marketing and growth activity.

14.2m

Live websites are powered by GA4 across the globe.

358k

The number of active GA4 users in the UK.

85%

Of marketers rely on web analytics for campaign tracking.

5tn

How many Google searches are made per year.
Source: GA4, HubSpot, Exploding Topics
Laithwaites - SEO case study - featured image

“Submerge are SEO gurus! They go above and beyond and really cut to the chase with actionable SEO plans and technical know-how. The team are great communicators and their expertise gives us an edge in a highly competitive market.”

Julia Haycocks
Global Brand Manager, Direct Wines

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Google Analytics expertise from a UK certified agencyBook a consultation

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Google Analytics FAQs

Contact Us

What is Google Analytics 4?

Google Analytics 4 (GA4) is Google’s current analytics platform for measuring user behaviour across websites and apps, using an event-based data model. You can learn more about GA4 here.

Unlike Universal Analytics, which relied heavily on sessions and pageviews, GA4 focuses on events, engagement and user interactions across multiple touchpoints and devices. This allows businesses to build more flexible reporting environments around conversions, journeys and behavioural analysis.

GA4 also introduces deeper integration with machine learning, attribution modelling and predictive audiences, making it significantly more adaptable for modern multi-channel marketing environments.

Related expertise:

  • GA4 setup & migration
  • Event architecture planning
  • Attribution configuration

Why do many GA4 setups produce unreliable data?

Many GA4 implementations were configured quickly during migration from Universal Analytics without properly redesigning event structures, attribution frameworks or conversion tracking models.

Common issues include:

  • duplicated conversions
  • broken event triggers
  • inconsistent naming conventions
  • missing ecommerce values
  • poor UTM governance
  • incomplete cross-domain tracking
  • referral misconfiguration
  • consent-related tracking loss

These problems can significantly distort reporting and reduce confidence in analytics data. Reliable GA4 environments require structured implementation, testing and ongoing governance.

Related expertise:

  • Analytics audits
  • Event tracking reviews
  • Reporting integrity analysis

What is event-based tracking in GA4?

GA4 measures user behaviour using events rather than relying primarily on sessions and pageviews.

An event can represent almost any user interaction, including:

  • form submissions
  • button clicks
  • purchases
  • downloads
  • video engagement
  • scroll depth
  • page views
  • lead enquiries

This allows businesses to build more flexible and granular measurement frameworks around user journeys and commercial goals. However, event-based tracking also requires more careful planning and governance to avoid inconsistent reporting structures.

Related expertise:

  • Event architecture setup
  • Conversion tracking
  • GTM integration

How does Google Tag Manager work with GA4?

Google Tag Manager (GTM) is commonly used to deploy GA4 events, tracking scripts and conversion tags without directly editing website code. Learn more about GTM here.

GTM allows businesses to configure:

  • GA4 event tracking
  • ecommerce events
  • marketing pixels
  • remarketing tags
  • custom triggers
  • consent-aware scripts
  • cross-domain tracking
  • dataLayer integrations

When implemented properly, GTM creates more flexible and scalable tracking environments. Poorly governed containers, however, can quickly introduce duplicated tags, inconsistent events and unreliable reporting.

Related expertise:

  • GTM implementation
  • Event deployment
  • Consent-aware tracking

What is cross-domain tracking in GA4?

Cross-domain tracking enables GA4 to follow users across multiple connected domains or subdomains throughout a single journey.

Without proper configuration, GA4 may incorrectly treat users moving between domains as new sessions or referral traffic. This can distort attribution reporting, conversion pathways and user behaviour analysis.

Cross-domain tracking is particularly important across ecommerce platforms, booking systems, third-party checkout environments and multi-domain customer journeys.

Related expertise:

  • Cross-domain analytics setup
  • Attribution correction
  • Ecommerce tracking

How does consent mode affect GA4?

Consent mode allows Google tags to adjust behaviour based on user cookie consent choices.

When users reject analytics or advertising cookies, GA4 may operate with reduced data collection or modelled reporting behaviour. Incorrect consent implementation can significantly affect conversion reporting, audience sizes and attribution visibility.

Businesses increasingly need analytics setups that balance privacy compliance with reliable measurement. This requires close alignment between consent platforms, GTM, GA4 event structures and reporting expectations.

Related expertise:

  • Consent-aware analytics
  • Cookie & tracking governance
  • GTM & GA4 configuration

What should businesses track in GA4?

Tracking should reflect commercially meaningful behaviour rather than collecting data for its own sake.

Depending on the business model, useful GA4 tracking may include:

  • lead generation events
  • ecommerce transactions
  • phone enquiries
  • form submissions
  • quote requests
  • booking flows
  • account registrations
  • content engagement
  • customer journeys
  • assisted conversions

The most effective GA4 setups align event structures and conversions with wider KPI frameworks, attribution models and commercial reporting requirements.

Related expertise:

  • KPI measurement
  • Event strategy
  • Commercial analytics reporting

Can GA4 connect to dashboards and CRM systems?

Yes. GA4 can integrate with reporting platforms, dashboards and wider business systems to create more complete measurement environments.

Businesses commonly connect GA4 with:

  • Looker Studio
  • AgencyAnalytics
  • Google Search Console
  • CRM platforms
  • ecommerce systems
  • SEO reporting tools
  • advertising platforms
  • API-connected dashboards

These integrations help connect behavioural analytics with lead quality, revenue, customer value and broader commercial reporting.

Related expertise:

  • Reporting integrations
  • Dashboard development
  • Revenue attribution frameworks

How often should GA4 setups be audited?

GA4 environments should be reviewed regularly, particularly after website changes, campaign launches, consent updates or major tracking adjustments.

Analytics implementations often degrade over time as websites evolve, plugins change, new campaigns launch and additional scripts are added. Regular audits help identify broken events, attribution issues, tracking inconsistencies and reporting problems before they significantly affect decision-making.

Most businesses benefit from periodic technical reviews alongside ongoing monitoring of conversion integrity and reporting reliability.

Related expertise:

  • Analytics auditing
  • Tracking governance
  • Reporting quality assurance

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nothing else matters.

Let’s understand where you stand today – and where the opportunities are.

Get in touch and let’s chat about your project.

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