Accepting 3 clients this quarter

Stop wasting ad spend on bad data.

We rebuild tracking for Webflow and Stripe businesses, server-side and Stripe-verified, so every real sale reaches your ad platforms and every dollar is accounted for.

Webflow
Stripe
Server-side GTM
Meta CAPI
Google Enhanced
tracking.dataflowsystems.co
Event match quality+47pts
9.2/ 10
Revenue captured+38%
100%
Meta
98%
Google
96%
Stripe
100%
Live eventsstreaming
Purchase
$248
InitCheckout
$312
Purchase
$89
AddToCart
tracked
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The problem

You're losing money and you can't even see it.

Most Webflow and Stripe businesses waste 20 to 40% of their ad budget on data their platforms cannot see. Here is why.

60%of sales invisible

You're invisible to your own ads

Up to 60% of paying customers are invisible to Meta and Google. Your ad platforms think those sales never happened, so they can't find more people like your best buyers.

0%of Stripe revenue sent

Your revenue data never reaches your ads

Stripe knows exactly who paid and how much. None of that data reaches your ad platforms. They're optimising on guesswork instead of real revenue.

3xconflicting ROAS

Every platform tells a different story

Meta says 4x. Google says 3x. Stripe says you barely broke even. When you can't trust the numbers, you can't make confident decisions about where to put your next dollar.

No fixin the Webflow app store

Webflow doesn't have a plug and play fix

Shopify businesses get one click tracking integrations. Webflow and Stripe doesn't. Without custom infrastructure, your tracking stays incomplete.

The solution

Know exactly which ads drive real revenue.

We connect your Webflow site, Stripe payments, and ad platforms so you can see exactly which campaigns, ads, and funnels drive real revenue.

WebfloweventssGTMserver-sideStripeverifyMeta / GoogleCAPIDashboardreporting

Capture every sale

No more lost conversions from ad blockers or iOS restrictions. We move tracking off the browser so 100% of your sales data gets through.

Only count real revenue

Every conversion is verified against Stripe. If money didn't actually move, it doesn't count. Your ROAS reflects what you actually earned.

Let your ads find more buyers

When Meta and Google see your real customers, their algorithms get smarter. Better data means lower CPAs and more profitable scaling.

The process

From broken tracking to profitable scaling in 3 weeks.

A proven process that gets your data right, fast.

01

Assess

Week 1

We find exactly where you're losing data and how much it's costing your ad campaigns. We map every gap between what your ad platforms report and what Stripe actually shows.

Audit reportGap analysisLoss estimate
02

Build

Week 2

We build the connection between your site, Stripe, and ad platforms so every real sale is visible. Server-side tracking, conversion APIs, and verified payment data.

sGTM setupCAPI wiringStripe webhooks
03

Verify

Week 3

We test every conversion against real Stripe transactions to make sure your numbers are accurate. Duplicates are removed, match quality is optimised, and your data is clean.

QA testingDedupe logicEMQ tuning
04

Monitor

Ongoing

Continuous monitoring catches tracking drift before it impacts your campaigns. You get a clear dashboard showing exactly which ads and funnels drive real profit.

DashboardAlertsMonthly reports
Proof

Built and tested at scale.

This system has been tested on one of the UK's largest e-commerce platforms, processing thousands of daily transactions.

Previous work

DreamCarGiveaways

UK's No.1 car competition platform

High-traffic e-commerce processing thousands of daily transactions across multiple ad platforms.

As part of the development team at an agency, I implemented server-side GTM and Conversions API to replace unreliable client-side tracking and close the gap between ad platform reporting and backend reality.

Qualitative outcomes
Ad platform numbers matched real revenue for the first time
Ad platforms could identify and target real buyers more accurately
Campaigns scaled profitably without the usual ROAS rollercoaster
Consistent, trustworthy numbers for confident budget decisions
Deliverables

Everything you need. Nothing you don't.

A complete tracking overhaul, delivered in 3 weeks.

Assess

  • Full Webflow and Stripe tracking assessment
  • GA4 configuration and fix

Server side

  • Server-side GTM setup
  • Meta CAPI implementation
  • Google Ads enhanced conversions

Verify

  • Stripe webhook integration
  • Stripe-verified conversions
  • Event deduplication

Capture

  • Webflow event capture
  • Event match quality optimisation

Report

  • Custom reporting dashboard

Document

  • Documentation and SOPs
Pricing

Simple, transparent pricing.

No hidden fees. No long-term contracts. Just results.

Founding client offer, 3 spots only

Complete tracking system

Setup and managed

3 week delivery

Full setup, Stripe verification, and ongoing managed tracking. Everything you need to fix your data and keep it accurate as you scale. Includes Stape hosting and infrastructure.

One time setup
$1,997
Then monthly
$1,200$800/mo
  • Full tracking assessment
  • Server-side GTM setup
  • CAPI and enhanced conversions
  • Stripe conversion verification
  • Reporting dashboard
  • Documentation and SOPs
  • 24/7 tracking monitoring
  • Funnel change support
  • Event updates and new platforms
  • Ad platform syncing
  • Monthly reporting
  • Dedicated support
Claim a founding client spot

Setup fee waived for the first 3 founding clients in exchange for feedback and a testimonial.

Results guarantee

If you don't see a measurable improvement in event match quality and data integrity between your ad platforms and Stripe, you don't pay.

About

Why I started Dataflow Systems.

Tim Bartrum

Tim Bartrum

Founder, Dataflow Systems

ex-agency devsGTM specialist

While working at an agency, I implemented server-side tracking for one of the UK's largest car competition platforms, a fully custom, high-traffic e-commerce system.

At that scale, clean attribution isn't optional. We rebuilt tracking using server-side GTM and Conversions API to reduce discrepancies between ad platforms and backend revenue.

That's when I noticed something.

Most Webflow and Stripe businesses face similar attribution gaps, but without an in-house engineering team to fix them properly. Out of the box, their tracking is often incomplete or unreliable.

Dataflow Systems exists to bring enterprise-grade tracking infrastructure to Webflow and Stripe businesses, without needing a full dev team.

Free, no commitment

Stop guessing. Start scaling.

Book a free tracking assessment and find out exactly where your Webflow and Stripe data is breaking, and how much it's costing you.

30 min call Actionable audit Zero pressure