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 engagementIkigai
We turned IKIGAI's "advertise to every woman nearby" into an intent engine that sells out every intake — and grows membership that stays.
Our WorkCase StudiesClientsProofTestimonialsCreativesFunnels (coming soon)
Featured case study
FeaturedIkigai
We turned IKIGAI's "advertise to every woman nearby" into an intent engine that sells out every intake — and grows membership that stays.
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
Healthcare · On-Demand Doctor & WellnessPerformance MarketingHarvest · Create · Scale
Case Studies→On Demand Medical Group

How we doubled a leading on-demand doctor & wellness brand's return — while spending less.

−26%Cost per conversation on the core engine — in the eight days after we recalibrated bids and concentrated budget.
−28%Cost per click on the same engine — volume holding, spend concentrated on what converts.
3.9 → 6.8×Blended return on media across both engines — on 19% less spend, month on month.
“

The results were amazing. I even showed the setup to friends who are experts on running ads, and none of them could find a thing to critique.

Founder
On-demand doctor & wellness brand
DOCTOR & WELLNESS
Industry
Healthcare · On-demand doctor and wellness
Lens
Performance Marketing
Channels
Google · Meta (CTWA)
Approach
Harvest · Create · Scale
LensPerformance Marketing
IndustryHealthcare / on-demand doctor and wellness
The two enginesGoogle (harvest intent) · Meta Click-to-WhatsApp (create demand)
The jobEfficient core · reach engine · test then scale
Services
Performance Marketing
Channels
Google AdsMeta Ads
Let’s talk growth →

Part of the On Demand Medical Group series · one client, three lenses

This is the Performance Marketing. On Demand Medical Group comes apart into three deep-dives — same client, three disciplines, readable in any order:  overview, Funnel & CRO, and Data & Analytics.

We work with a leading on-demand doctor & wellness brand— an on-demand doctor service and an IV-wellness service under one operation. This page is the Performance Marketing lens: the two demand engines and how each earns its return.

The old approach treated media as one lever: spend more to grow more. We split it into two engines with two jobs — a Google core that harvests the demand already searching, and a Click-to-WhatsApp engine that creates new demand at the top of the funnel. Kept separate and measured separately, the blended return rose from3.9× to 6.8× on 19% less spend.

The principles we rebuilt the media on.

  1. Harvest and create are two different jobs. Search can only capture demand that already exists. Creating new demand is a separate job for a separate channel — so we stopped asking one engine to do both.
  2. Concentrate budget on what converts. A tight target was starving demand and the core tier converts cheapest. We lifted the target where it suppressed volume and boosted the proven converting terms — efficiency and volume, not one at the expense of the other.
  3. Test before you commit. The new channel ran a two-week test before it got real budget. It held cost per conversation below the core-engine benchmark — proof first, scale second.
  4. Bid per service, per product. The two services convert differently, so they're bid differently — the IV-wellness service on its drips, the on-demand doctor service on its urgent-need terms — instead of one blended setting for both.

Two engines, two jobs.

The engineIts jobWhat we did — and what it returned
Googlethe efficient coreHarvest the high-intent demand already searchingRebuilt into location tiers and per-product campaigns, recalibrated bids, boosted converting terms — cost per click −28% and cost per conversation −26% in the eight days after, volume holding.
Meta · CTWAthe reach engineCreate new demand at the top of the funnelLaunched Click-to-WhatsApp, ran a two-week test, held cost per conversation below the Google benchmark — proven, now scaling to a full-funnel campaign set.
Creativethe fuelFeed the reach engine what convertsRetired the high-cost creatives and scaled the symptom-led and product-led statics that were winning — then built them onto a full-funnel structure (top, middle, bottom).

The shift, before → after.

DimensionBeforeAfter
Media modelOne lever — spend more to grow moreTwo engines, two jobs, measured separately
Google coreBlended setup, tight target starving demandLocation tiers and per-product bids, budget on what converts
Demand creationSearch asked to create demand it can't reachClick-to-WhatsApp creating new demand, tested then scaled
CreativeHigh-cost creatives left runningWinning statics scaled onto a full-funnel structure
Return & spend3.9× blended return6.8× blended return on 19% less spend

Results — the media engine.

Return as a multiple; everything else relative, month on month or within-period.

3.9 → 6.8×Blended return on media
−26%Cost per conversation, core engine
−28%Cost per click, core engine
−19%Total ad spend
Below coreReach-engine cost per conversation, in test
2 enginesHarvest and create, measured separately

Honest read: the reach engine is three weeks old — its in-test return is read as early signal, not a settled number, and it's now scaling into a full-funnel set. The efficiency win on the core engine is a within-period result: the eight days after the change versus the prior three weeks. The blended return is the trustworthy headline because per-channel tagging still covers only the tracked minority — fuller tagging next period brings the per-service view up to the whole picture.

What the rebuild taught us about paid media.

  1. Don't ask one channel to do two jobs. — Search harvests, social creates. Split them, measure each on its own job, and both get better.
  2. A tight target can starve demand. — Over-tight bidding suppresses the very volume it's trying to make efficient. Loosen where it's choking delivery, concentrate where it converts.
  3. Test before budget, always. — A two-week proof at benchmark cost is what earns a channel its scale — not a hunch and a big spend.
  4. Two services, two bids. — Different demand converts differently. Bidding each brand and product on its own terms beats one blended setting for both.

Two engines, two jobs — and a return that doubled on less spend .

Google harvests the demand that's already searching at a cost that keeps falling; Click-to-WhatsApp creates the demand search can't reach, proven and now scaling. The next job is the funnel that converts them — and the measurement that reads it all.

Book a strategy call →

The rest of the On-Demand Medical Group engagement.

On-Demand Medical Group was one healthcare engagement built across urgent-care and recovery demand. Keep going — here’s the rest of the set:

Overview — one confidential medical group, two demand categories, and multiple booking journeys built under one clearer performance system.

Performance Marketing — separated broad medical demand into clearer service-led funnels, from traveler illness to recovery care. More qualified inquiries from people with stronger booking intent.

Funnel & CRO — rebuilt the path from ad click to WhatsApp booking so each service had a clearer offer, clearer next step, and less friction before conversion.

Data & Analytics — tracked performance by service line, audience intent, location, and lead quality, turning mixed healthcare demand into a clearer picture of what actually drove bookings.

The pod

Who ran the media.

A media-led pod — growth strategy on the two-engine thesis, a buyer across Google and Meta, and a data lead reading the return.

Jeremy
Head of Growth

On On Demand Medical Group: Rebuilt the Google account and bidding, launched and scaled Click-to-WhatsApp, and set the harvest-vs-create split. This lens is their build.

Kevin Cho
Co-Founder · Growth Strategy

On On Demand Medical Group: Held the “more outcome, less spend” principle and the two-engine strategy the media is built on.

Ridho Wahyu
Data & Analytics Lead

On On Demand Medical Group: Tied each engine's spend to booked revenue in the CRM, so budget could move to the demand that actually converts.

More wins, with the numbers behind them.

See every case →
WellnessAPACStartup
↗Ikigai

We turned IKIGAI's "advertise to every woman nearby" into an intent engine that sells out every intake — and grows membership that stays.

Performance Marketing
Read case →
WellnessAPACStartup
↗Ikigai

We turned IKIGAI's one-size-fits-all funnel into a funnel for every buyer — and took the high-ticket path from 5× to 63× ROAS.

Funnel & CRO
Read case →
HealthcareWellnessSEA
↗On Demand Medical Group

A leading on-demand doctor & wellness brand's patients decide in minutes — so we built the funnel to reach the booking before competitors did.

Funnel & CRO
Read case →
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
Loading the scheduler…Pick a time that works — this opens automatically.