GTMLab
Our focus

Paid ads growth — and nothing else.

We don't do brand. We don't do generalist work. Five disciplines stacked together to make one outcome: a paid engine that compounds every month.

The 5 services we shipPerformance MarketingThe growth engine itself. Paid acquisition across every channel.Performance CreativeAds that win the auction. AI-tuned creative production at scale.Funnel Strategy & CROConversions, end to end. Landing pages, funnel rebuild, A/B testing.Data & AnalyticsEvery dollar traced. Dashboards, attribution, AI signal monitoring.GTM & Growth LabStrategy that ships Monday. Channel tests, positioning, expansion.
All 5 in motion
Full-stack engagementLuxury Boat Tours
A luxury boat tours relied on OTAs for bookings. We rebuilt their paid acquisition, and in under 2 months, direct revenue up 30%, CAC down 35%.
>30%Direct Website Bookings increase
>20ROAS
Our WorkCase StudiesClientsProofTestimonialsCreativesFunnels (coming soon)
Featured case study
FeaturedLuxury Boat Tours
A luxury boat tours relied on OTAs for bookings. We rebuilt their paid acquisition, and in under 2 months, direct revenue up 30%, CAC down 35%.
>30%Direct Website Bookings increase
>20ROAS
IndustriesHealthcareWellnessEcommerceHospitalityTourismTech StartupsPropertyEvents & Conferences
ResourcesBlogTeardown Library (coming soon)Events (coming soon)Talks (coming soon)
WorkshopsGTM Mapping0→1 / pre-revenue founders. Map your full GTM.Growth DecodePMF + paid spend. Decode competitors, rebuild engine.Bali Tour 2026 (ended)20 workshops · 2 weeks · May 2026 wrap-up.Australia Tour 2026 (planning)Sydney · Melbourne · Jun–Jul 2026.
From the blog →
AI Alone Is Useless — Why I Built GTMLab.
Building a growth system, not a campaign treadmill.
How to audit your creative without hiring an agency (yet).
Southeast Asia's paid-ads blind spot — why localising creative beats generic scaling.
Join the bench
CareersJoin our team
100 specialists. Operator-grade pedigree. Currently hiring 5 senior roles.
5Open roles
6+Countries
100+On bench
Our story
AboutAbout GTMLab
Operator-led, senior-only, built by tech-founders.
2024Founded
~100Senior marketers
200+Teams shipped for
Let’s Talk →

Turn ad spend into revenue you can trace.

Forbes 30 Under 30 Team · Y Combinator Alumni · $20M Ad Spend Operated

Let’s Talk →
GTMLab

Paid ads growth — and nothing else. Five disciplines, one engine, every dollar traced.

Available for Q3
Jakarta · GMT+7 · global delivery

Services

  • Performance Marketing
  • Performance Creative
  • Funnel Strategy & CRO
  • Data & Analytics
  • GTM & Growth Lab

Our Work

  • Case Studies
  • Clients
  • Proof
  • Testimonials
  • Industries

Resources

  • Blog

Company

  • About
  • Careers
  • Contact
© 2026 GTMLAB.AI · 200+ brands · $20M+ ad spend operated
Resources  /  Attribution
AttributionWellnessEcommerceMeta AdsTikTok AdsAffiliate & Creator

Why first-purchase ROAS lies in supplement D2C — and what to optimize for instead.

ROAS is a single-purchase metric. Wellness is a multi-purchase business. Here's the cohort model that breaks the lie.

Albert Lie
Co-Founder · Aug 4, 2025 · 10 min read
Why first-purchase ROAS lies in supplement D2C — and what to optimize for instead.

This article is being prepared — check back soon.

About the author
Albert Lie
Co-Founder
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Keep reading

More field notes from the bench.

AttributionWellnessEcommerceAffiliate & CreatorTikTok Ads+1
SEPTEMBER 10, 20257 min

Creator attribution without the spreadsheets — what actually works.

Wellness brands run 30-50% of their growth through creators, but most can't tell which one drove what revenue. The stack we shipped to fix it.

Anna Tan
Creative Director
AttributionHealthcareWellness+2Google AdsMeta Ads
OCTOBER 14, 202512 min

Why attribution is broken in 2025 — and the four fixes that work.

Last-click is lying to your CFO. Here's what we learned rebuilding the attribution stack on $20M+ of operated spend.

Albert Lie
Co-Founder
Let’s get started

See what’s hiding in your ad account.

Every ad traced to revenue
Built for growth, not maintenance
Senior operators, no junior handoff

“Most agency audits are templated — they ship the same 12 slides to every account. Ours don’t. Every teardown is custom-cut to your funnel, your spend, your category.”

Albert Lie
Co-Founder
★★★★★
Trusted by 200+ brands
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