Performance marketing & MarTech
Performance marketing that's actually measurable.
Freelance performance marketeer & MarTech manager. €22M+ in ad spend managed across Google and social, powered by advanced tracking, automation, and AI.
Ad spend managed
Performance marketing & martech
Brands & teams helped
Google & Meta
Certified media buyer
Services
Everything between strategy and scale.
One partner across paid media, tracking, automation and AI, instead of stitching together five different specialists.
Google Ads
Search, Performance Max and Shopping. Media buying and account structure that compounds.
Social Ads
Meta, LinkedIn and TikTok media buying, creative testing frameworks included.
Advanced Tracking
GTM, server-side tagging, consent mode and conversion measurement you can actually trust, including Billy Grace attribution and AI-powered reporting.
Marketing Automation
Lifecycle flows, lead nurturing and CRM integrations that turn clicks into customers.
Digital Strategy
Channel mix, unit economics and measurement plans before a single euro is spent.
AI-Powered Workflows
AI agents and tooling for analysis, reporting and optimization at 10x speed.
How I Work
Measure first. Then scale.
01
Measure first
No media euro spent before tracking is reliable. Clean data is the foundation of every decision.
02
Buy smart
Data-driven media buying across Google and social: structured for learning, built for scale.
03
Automate & scale
Automation and AI keep results compounding without adding hours.
Advanced Tracking
See exactly where your data flows.
Server-side tracking that survives ad blockers, iOS and consent mode, so the algorithms learn from real conversions.
Attribution & AI Reporting
Know what every euro contributes. Then make the data work outside the dashboard.
Billy Grace, run end-to-end
Billy Grace is already running at a lot of companies, but the data doesn't live in the organization yet. I close that gap. And if you're starting from scratch, I run the full cycle: from first implementation to profit steering.
Independent implementation specialist. Billy Grace is named here as the platform I work in, not as a formal partnership.
Implementation
Tracking pixel, conversion tracking, CRM and backend sync, plus custom imports for what the platform can't see on its own: ATL (radio, TV, OOH) and profit data.
Configuration & adoption
Metrics set up the way your team actually works: custom KPIs, dashboards built around real decisions, and hands-on training so attribution becomes a habit, not a login nobody uses.
Make the data live
Automated reporting, alerts, and MCP connections that plug attribution data into AI agents, so the model keeps working outside the dashboard too.
Curious what this looks like for your stack?
A 30-minute intro call is enough to map your setup and spot the quick wins.
Attribution model
MTA + UMMOne AI cockpit for the whole stack
Billy Grace, GA4, CRM and spend data, sold and built into a single custom AI cockpit. AI agents watch the numbers, flag anomalies, and turn them into recommendations. Stakeholder reporting for management runs on autopilot.
Homepage
Homepage
How is the business performing and is steering needed? · Manavi
Data updated Jul 20, 2026, 06:00
Leads (MTD)
vs Jun 1–20
Marketing spend (MTD)
vs Jun 1–20
CPA (blended, MTD)
vs Jun 1–20
Budget status
€943k of €1,5M spent
Impression share
vs prior 30 days
Market demand
vs prior 30 days
Needs attention
Automatic signals from your channels, budgets and competitors
Demand Gen CPA rising fast +11% CPA MTD
Demand Gen's cost per lead rose to €402 MTD, up from €363 in the comparable June period.
Performance Max is overspending +22% vs budget
Performance Max is pacing at 122% of budget, forecast to land at €219,6k against a €180k July budget.
Opsly gaining impression share +9% impression share
Opsly's paid search impression share climbed to 24%, up from ~22% 30 days ago.
Category search demand cooling −4% search volume MoM
Total search volume for the marketing-analytics SaaS category fell to 566,8k this month, down from 591,3k in June.
Leads · week over week
Week 30 · Jul 20–26 vs Week 29 · Jul 13–19
Impression Share
Paid search · Last 30 days
Demo with dummy data, built on Billy Grace · GA4 · CRM · Spend
Results
Numbers, not promises.
A sample of recent engagements. Full case studies available on request.
−38% CPA
Server-side tracking migration
Rebuilt measurement with server-side GTM and enhanced conversions, then rebalanced bidding on clean data.
4.2 → 6.1 ROAS
Feed & PMax restructure
Product feed overhaul plus a performance-based Performance Max structure for an ecommerce brand.
+112% SQLs
Full-funnel lead gen system
Search + social + automated nurturing, with offline conversions fed back into the algorithms.
The stack I work in daily
- Google Ads
- Meta
- Google Analytics 4
- Google Tag Manager
- Billy Grace
- HubSpot
- LinkedIn Ads
Testimonials
What clients say.
“We had three tools all reporting different numbers and honestly nobody trusted any of them. Mark rebuilt our tracking, GTM and server-side, and now GA4, our CRM and the ad platforms finally tell the same story.”
“I was skeptical about the AI cockpit at first, it sounded like a gimmick. Then it flagged a broken conversion tag on a Friday afternoon before it burned through real budget. That one alert paid for the whole setup.”
“The Monday reporting used to take me half a day. Now it lands in Slack before I've had coffee, with notes on what changed and why. I actually read it, which says enough.”

Mark Hoekx · Freelance Performance Marketeer & MarTech Manager.
About
Specialist, not a generalist.
I'm Mark Hoekx, a freelance performance marketeer and MarTech manager. For the past decade I've managed over €22 million in ad spend for brands that care about measurable growth, not vanity metrics.
My edge is the combination: I buy media AND build the measurement, automation and AI systems around it. That means faster feedback loops, cleaner data and decisions that compound.
- €22M+ ad spend managed across Google & social
- Advanced tracking: GTM, server-side, consent mode
- Marketing automation & CRM integrations
- AI-first workflows for analysis & reporting
FAQ
Questions, answered.
Let's make your marketing measurable.
A 30-minute intro call is enough to know whether we're a fit, and you'll leave with at least one actionable insight.
Prefer email? mark.hoekx@gmail.com