Google Tag Manager Expert Services

BigQuery Session and User Behaviour Analysis

Session reconstruction and user journey analysis in BigQuery SQL

Build session and user behaviour analysis in BigQuery. Reconstruct GA4 sessions, analyse user journeys, and measure engagement with SQL on your raw event data.

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Top Rated Plus on Upwork 98% Job Success Score 232+ Projects Completed $100K+ Total Earnings
200+
GTM Containers Audited
98%
Tracking Accuracy Rate
40+
Platforms Integrated
5★
Average Client Rating
GA4's session model in BigQuery raw data doesn't give you pre-built sessions — you reconstruct them from events. We build session analysis SQL that reconstructs complete user sessions from GA4 event data, calculates engagement metrics (session duration, pages per session, bounce rate equivalent), and enables user journey analysis that shows exactly what path users take through your site before converting.

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What's Included in This Service

Everything you need for accurate, reliable tracking — delivered end-to-end.

GA4 session reconstruction SQL

Session engagement metric calculation

User journey path analysis queries

Entry page and exit page analysis

Bounce rate equivalent calculation for GA4

Session time distribution analysis

How We Work

Our proven 4-step process delivers results every time.

01

Discovery & Audit

We review your existing tracking setup, identify gaps and issues, and define the exact scope of work needed.

02

Implementation Plan

We design the data layer schema, tag architecture, and consent configuration before touching anything.

03

Build & QA

All tags, triggers, and variables are built in a GTM workspace and verified in Preview mode before publishing.

04

Verify & Handover

Test conversions, GA4 DebugView confirmation, and full documentation handed to your team.

Why Choose Adslytics?

Google Tag Manager Experts Only

Our GTM experts focus exclusively on GTM, GA4, and conversion tracking — not generalist digital marketing.

Data-Verified Results

Every implementation is cross-referenced against backend data — not just assumed to be working.

Full Documentation

You receive a complete implementation specification — not a black box you are dependent on us to maintain.

Fast Turnaround

Most setups and audits are delivered within 2–5 business days, not weeks.

What Our Clients Say

Real results from real businesses.

"Adslytics did a great job with our GA4 analysis and report. They were able to put complex analytics data into a very understandable document for our client. Highly recommend!"

Eric H.

Digital Agency Owner

"The team was quick with responses, very knowledgeable about issues, and helpful throughout the process. I appreciated their work habits and would hire Adslytics again."

Nick T.

Marketing Manager

"Adslytics is a very professional agency that managed our project successfully. They delivered exactly what was promised and I will definitely hire them again in the future!"

Hady M.

E-commerce Business Owner

Ready to Get Started with BigQuery Session and User Behaviour Analysis?

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Frequently Asked Questions

GA4's session tables are not directly exported to BigQuery — you get raw events. Sessions must be reconstructed by grouping events within session windows. We build this reconstruction as a reusable query.
We use GA4's session_id parameter (present in most events) to group events, then calculate session metrics by aggregating event data per session_id.
Yes — this is the user journey path analysis. We build queries that show the complete page sequence for sessions that ended in a conversion event.
GA4's equivalent of bounce rate is 'non-engaged sessions' — sessions without an engagement event. We calculate this from the is_active_user flag and engagement_time_msec in the raw events.
Yes — with the right data preparation in BigQuery, Sankey diagrams and user flow visualisations can be built in Looker Studio, Power BI, or Tableau.

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BigQuery Session and User Behaviour Analysis — Done Right, First Time.

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Our support Hotline is available 24 Hours

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