Your Revenue Problem Isn't Strategy. It's Diagnosis.

Revenue feels unpredictable when the real bottleneck hasn’t been found. GTM Lab helps SaaS founders find it, then fix it.

Our clients have cut deal cycles in half, doubled pipeline conversion, and freed up 10+ founder hours a week.

Built for founder-led SaaS companies where growth feels harder to predict than it should.

Trusted by

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satisfied B2B SaaS clients

$ 0 M+

raised in VC funding

0 %+

boost in forecast accuracy

This is for the B2B SaaS founder who's done everything right — and still can't explain why revenue feels unpredictable.

You’re putting in the work. The pipeline looks okay on paper. But something is off, and you can’t see it yet.

You have pipeline. You just can't trust it.

Deals that looked real last month have gone quiet. You're revising your forecast — again — and you don't know which deals will actually close.

Every big deal still needs you in the room.

You've tried to hand off sales. It keeps coming back to you. And somewhere in the back of your mind, you know the business can't scale if that doesn't change.

Everyone's working hard. Nothing's adding up.

Your team is moving fast — but on different things, toward different goals. It's hard to tell what's actually driving revenue and what's just noise.

Your business feels like a series of fires.

The problem isn't the fires. Every founder has them. The real constraint is knowing which ones to ignore, which to watch, and which are quietly feeding everything else. Most founders are putting out the wrong ones.

Every Engagement Starts With the Scale to $10M+ Sprint

A focused 2-week diagnostic that uncovers what's actually limiting your revenue and gives you a clear plan for the next 90 days.

See Full Sprint Details

01 Revenue System Audit

"What's broken?"

02 Pipeline Reality Map

"What's real?"

03 Constraint Identification

"What matters?"

04 90-Day Execution Blueprint

"What do we do now?"

From guessing to knowing exactly what to do next.

"It’s like someone turned the lights on."

Jon Chalk — Founder, Firehouse247

We diagnose before we prescribe.

Most consulting engagements start with recommendations. We start with the question most teams skip: what's actually broken?

Diagnose the actual revenue bottleneck

Identify the 1–3 changes that will move revenue

Build a focused 90-day execution plan

Execute with confidence, not guesswork

"You don't know what 'good' looks like until you can see the right data."

Barima Kwarteng

CEO of Timeero

Conversion rate improvement
From 7.8% to 15% — after restructuring pipeline and sales process.

GTM Lab Client

50%

Faster deal velocity
Sales cycle cut from 135 days to 65 days through better qualification and stage discipline.

GTM Lab Client

$1M+

New pipeline generated
For a B2B SaaS client during a single GTM Lab engagement.

GTM Lab Client

"If you can't tell me how many deals you're planning to close this month — it's time to call Kat."

Jon Chalk

CEO of Firehouse247

GTM Lab was founded by Katarina Lujic, a revenue operations advisor who has spent years embedded inside B2B SaaS companies, diagnosing the GTM problems that stall growth. She built the Scale to $10M+ Sprint to give founders the answers they need in weeks, not quarters. Learn about Katarina.

Your Revenue Problem Isn't Strategy. It's Diagnosis.

This is for the B2B SaaS founder who's done everything right — and still can't explain why revenue feels unpredictable.

You have pipeline. You just can't trust it.

Deals that looked real last month have gone quiet. You're revising your forecast — again — and you don't know which deals will actually close.

Every big deal still needs you in the room.

You've tried to hand off sales. It keeps coming back to you. And somewhere in the back of your mind, you know the business can't scale if that doesn't change.

Everyone's working hard. Nothing's adding up.

Your team is moving fast — but on different things, toward different goals. It's hard to tell what's actually driving revenue and what's just noise.

Your business feels like a series of fires.

The problem isn't the fires. Every founder has them. The real constraint is knowing which ones to ignore, which to watch, and which are quietly feeding everything else. Most founders are putting out the wrong ones.

Every Engagement Starts With the Scale to $10M+ Sprint

A focused 2-week diagnostic that uncovers what's actually limiting your revenue and gives you a clear plan for the next 90 days.

See Full Sprint Details

01

Revenue System Audit

"What's broken?"

02

Pipeline Reality Map

"What's real?"

03

Constraint Identification

"What matters?"

04

90-Day Execution Blueprint

"What do we do now?"

From guessing to knowing exactly what to do next.

"It’s like someone turned the lights on."

Jon Chalk — Founder, Firehouse247

We diagnose before we prescribe.

Most consulting engagements start with recommendations. We start with the question most teams skip: what's actually broken?

Diagnose the actual revenue bottleneck

Identify the 1–3 changes that will move revenue

Build a focused 90-day execution plan

Execute with confidence, not guesswork

"You don't know what 'good' looks like until you can see the right data."

Barima Kwarteng

CEO of Timeero

"If you can't tell me how many deals you're planning to close this month — it's time to call Kat."

Jon Chalk

CEO of Firehouse247

GTM Lab was founded by Katarina Lujic, a revenue operations advisor who has spent years embedded inside B2B SaaS companies, diagnosing the GTM problems that stall growth. She built the Scale to $10M+ Sprint to give founders the answers they need in weeks, not quarters. Learn about Katarina.

Real Results, Real Founders

What happens when the diagnosis is right and the plan is clear.

Timeero

Firehouse247

Ready to Know What's Actually Stalling Your Revenue?