Four quiet failure points. Zero error messages.
The CRM handoff
Signups created via API, SSO or another subdomain arrive with no source. Weeks later: 60% "direct" pipeline.
Redirects & params
One redirect strips or double-encodes UTMs and the campaign data never reaches the page that converts.
Consent & SPAs
React forms that never fire form listeners; consent modes that silently drop the events you optimize on.
Overwritten first touch
CRMs that rewrite source fields on every form fill — erasing the only honest attribution you had.
Tracking work should produce a source-truth file, not only a list of tags.
The sanitized references show how attribution work becomes operational: campaign naming, event logic, CRM write rules, ownership and reporting views in one inspectable system.
Campaign logic, ownership and source rules inside one editable operating file.
Based on a dense GTM working document: audience tracks, landing-page logic, lifecycle steps, tracking rules and owner notes are kept together so launch execution does not fragment.
Events, source preservation, attribution and data joins.
Google Analytics
Google Tag Manager
BigQuery
Looker Studio
Mixpanel
HubSpotOne identity, three common business routes.
The same problem appears differently in lead-gen, commerce and SaaS. The fix is not a single tag; it is source survival through the operating route.
Click to contact to pipeline, without losing first touch.
For B2B and consultation flows where the CRM record is the asset. The source has to survive form, API, meeting booking and owner assignment.
Ad or feed to order, ERP, stock and fulfillment truth.
For commerce systems where the source must survive checkout and become useful inside operations, not just inside GA4.
Signup is not enough. Activation and revenue need the same lineage.
For PLG or software systems where the conversion matures after the first signup. Product events and CRM stages need one shared identity.
1–3 days. A prioritized truth report.
Event & conversion QA
Every key event verified end to end in GTM preview, GA4 DebugView and the ad platforms — with duplicates and ghosts flagged.
Handoff & UTM review
Every signup path tested for source survival; UTM schema reviewed against what actually arrives in the CRM.
Systems Diagnostic Sprint
System map, failure points, fix order and implementation path - yours to keep.
Book the diagnosticThree tools, three different numbers? Map the system before changing it.
Book the diagnosticOr diagnose it yourself first.
The free 25-check audit covers UTMs, events, conversions, CRM handoff and reporting — in about 20 minutes.