Smarter Analytics Begins With An Expert GA4 Consultant.

From Measurement Plans to Tagging to Insights — An Expert GA4 Consultant You Can Trust

Marc Alexander is an expert GA4 consultant based in London, serving UK/EU and remote; with nine years of experience helping global brands turn complex data into commercial clarity.

Specialising in clean tracking implementation, reliable attribution, and actionable insights, he builds trusted analytics systems that reveal what’s really driving growth.​ Marc combines deep technical expertise with business strategy — connecting marketing, product, and BI teams through data that’s consistent, compliant, and easy to trust.

Marc's work spans strategizing, measurement plans to developing GA4 architecture, using GTM client-side and server-side tracking, and BigQuery integrations that power insight at scale.

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Known for his hands-on approach, Marc has led large-scale analytics transformations, designed privacy-first data frameworks, and improved performance across major brands. He delivers not just dashboards, but clarity — clean data, smarter attribution, and the confidence to make decisions that drive measurable impact.

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Marc offers GA4 Audits for between £175–£1,800 (dependent on fixes) and GA4 Setups between £350–£1,300.