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Stop managing your agency. Start scaling your revenue.

We replace your agency with something better: a senior growth engineer paired with AI — in your accounts daily, aligned to your profit.

50+ brands scaled$50M+ in managed ad spend20+ years of experience

Join 50+ companies that scaled with profit-led growth marketing

TrueCoach
CrossFit
GORUCK
Boosted
Techstars
Goodsmith
Sitka
Highland
Kanter Auto
Coop Sleep
Destify
FullContact
Savage Race
Speaker Lab
Wodify
University of Florida
Songfinch
EcoEnclose
HOOP
Mission
Patriot Boot Camp
Pinch
Swannies
Volt
Xplor

Why Most Growth Marketing Fails

The economics changed. The agencies didn't.

You're paying for a team AI already replaced

AI collapsed the cost of execution. The work that justified a 10-person growth team — campaign builds, reporting, creative iteration, audience research — now happens in hours, not weeks. The agencies still billing you for headcount are selling a structure built for 2019. You're funding their payroll, not your growth. The math doesn't work anymore, and the agencies that haven't adapted are hoping you won't notice.

Your tracking is lying to you

Most agencies report in-platform ROAS and call it a win while your P&L tells a different story. Third-party cookies are gone. Pixel-based tracking overcounts by 30–50%. Without server-side infrastructure, you're optimizing toward numbers that don't match reality.

The winners out-test you 10 to 1

Top performers ship dozens of ad variants weekly, not monthly. More creative means faster learning. Faster learning compounds into better performance. If your agency ships 4 new ads a month, you’re already behind.

Your growth resets every month

No compounding. Every month starts from scratch because there's no system capturing what worked. The winning hooks, the audience segments that converted, the landing page variants that lifted revenue — all of it lives in someone's head or buried in a spreadsheet nobody opens. When your account manager leaves, the knowledge walks out the door. You're paying to relearn the same lessons quarter after quarter.

Your agency profits whether you grow or not

They bill hours, not results. The retainer stays the same if your ROAS is 1x or 5x. There's no incentive to push harder, test faster, or cut what's not working. Misaligned incentives produce mediocre results.

Nobody owns the full picture

One agency does media, another does creative, a freelancer handles landing pages, your team runs email. Information dies at every handoff. When results drop, everyone points at someone else.

This is the new game. We built our entire system around it.

Full-Stack Growth. Zero Layers.

Media buying, attribution, creative, and funnels — run daily by senior engineers paired with AI.

Full-stack media buying

We manage your ad accounts end-to-end across Meta, Google, LinkedIn, TikTok, and programmatic. Optimized daily toward net-new customer acquisition and profit — not retargeting warm traffic your brand would have converted anyway.

Attribution that actually works

Server-side tracking that captures conversions your pixels miss. We build it, maintain it, and you finally see what each channel actually costs you — not what the platform claims.

Creative direction at scale

Detailed briefs, copy frameworks, hooks, and AI workflows so your team can produce at scale. You get the strategy and specs. Your team executes.

Landing pages & funnels

We optimize or build the destinations your traffic lands on. The best ads in the world fail if the page doesn’t convert. You get audits, wireframes, and builds tied directly to your campaigns.

Also included

Dashboards that clarify

CAC by channel, ROAS, and payback periods — designed for decisions, not decoration.

Strategy via Slack & Loom

Channel allocation, budget decisions, and growth strategy. No standing calls.

High-tempo ad testing

Structured test-and-learn cycles — hooks, angles, audiences, and formats iterated weekly, not monthly.

Your numbers, modeled

CAC, LTV, and payback mapped to your actual business economics.

AI-native execution

Agent workflows for reporting, creative iteration, and campaign builds.

Tool & CRM integrations

Shopify, HubSpot, Klaviyo, Triple Whale, GA4 — connected so your data flows in one direction: toward profit.

Forecasting & budget planning

Monthly spend plans, channel mix modeling, and scenario planning so you know what to expect before you spend.

Conversion rate optimization

Ongoing A/B tests on landing pages, checkout flows, and signup sequences. Small lifts compound into big revenue.

Retention advisory

Email flows, churn signals, and expansion revenue beyond top-of-funnel.

Real Numbers From Real Clients

Every result below is a real client. Real spend. Real revenue.

TrueCoach
3.2x Revenue Growth

Scaled from $1.2M to $3.8M ARR in 18 months.

Boosted
$10M in First-Year Revenue

Took Boosted Boards from $500k to $10M in their first year.

GORUCK
$2.4M Additional Revenue

Generated $2.4M incremental revenue in 3 months.

Hoop
60% CPA Reduction

Reduced Meta Ads CPA by 60% in the first 90 days.

Coop Sleep Goods
32% ROAS Improvement

Increased ROAS from 2.1x to 2.7x while scaling spend.

Kanter Auto Parts
From $0 to $1M in 6 Months

Scaled from $0 in DTC sales to over $1M in 6 months from a cold start.

Goodsmith
2X Customer Growth

Grew the total customer base by 100% in less than 6 months.

Savage Race
38% CAC Reduction

Fixed tracking and reduced customer acquisition cost by 38% in 3 months.

Sitka's Seafood Market
Fixed Subscription Growth

Turned net new subscription growth from negative to positive in 3 months.

Destify
36% CAC Reduction

Reduced customer acquisition cost by 36% in the first 90 days while scaling spend.

EcoEnclose
3X Enterprise Pipeline

Deployed LinkedIn In-Mail Ads and founder content to grow enterprise pipeline.

Highland
25% CAC Reduction

Fixed tracking and account structure to reduce CAC by 25% in the first 30 days.

FullContact
+50,000 Developers

Acquired and activated 50,000+ API users and developers in 12 months.

Don't Take Our Word For It

  • Featured

    "An essential, non-negotiable part of our team. Marketing & Finance finally swimming in the same lane."

    Ben Medalie
    Co-founder & CMO, Highland
  • "The most actionable recommendations we’ve received from any outside partner—from technical details through creative."

    Nestor Solari
    Co-founder & CEO, Sigo Seguros
  • "Elevated our digital presence, nearly doubling our customer base in 6 months."

    Morgan Booth
    Founder & CEO, Goodsmith
  • "They think like owners and don't care about marketing vanity metrics. A fantastic addition for us."

    Simcha Kanter
    CEO, Kanter Auto
  • "Technical, innovative growth marketers. They deliver clear, actionable recommendations and execute."

    Rick Desai
    VC & Managing Partner, Listen
  • "Incredible GTM partners. The perfect balance of execution & strategy. A wealth of knowledge, experience, and energy."

    Stella Garber
    Co-founder & CEO, Hoop

How We Turn Ad Spend Into Profit

Four phases. Every dollar tied to profit.

Understand

We learn what profitable growth actually looks like for you — your margins, your payback windows, your CAC ceiling. No generic playbooks. Just clarity on what winning means for your specific business.

Build

Server-side tracking that works. A growth model tied to your real numbers. Channel strategy built around profit, not impressions. We build the infrastructure before we build the campaigns.

Execute

Daily ad management, creative direction, and systematic testing. We don't set it and forget it. We optimize toward profit every single day—because that's what you're paying us to do.

Compound

Cut losers fast. Scale winners hard. Feed every insight back into the system. The hard part isn't the strategy — it's the discipline to stay the course. That's what separates compounding growth from one-off wins.

About the Founder

Robbie Jack

Robbie Jack

I co-founded TrueCoach, scaled it to 8 figures, and exited. Along the way I hired agencies — even good ones — and the same problems showed up every time. Inflated metrics. Layers of people between me and the work. Slow creative cycles. So I built what I couldn't find.

GrowthMarketer is what I wished existed when I was scaling TrueCoach. A senior growth engineer in your ad accounts daily, paired with AI and custom software. Server-side tracking so you see real numbers. Creative velocity that compounds. No layers. No vanity.

We've helped 50+ companies scale profitably since then. The system gets sharper with every engagement. That's the point.

If you're ready to scale, apply now.

Less Than a Hire. Better Than an Agency.

Base retainer plus profit share. We win when you win.

The Full Stack

Everything you need to scale profitably. Media, tracking, creative, and strategy—run daily, delivered async.

$10,000/month

+ profit share

Profit share is customized to your business model. You only pay more when we make you more.

The math

$10k/mo base vs. $180–250k/yr for a senior hire — with zero layers between strategy and execution. Average client sees 35% CAC reduction in 90 days. Revenue up and costs down. Cancel anytime.

  • Async strategy & guidance
  • Full-stack media buying
  • Creative direction & briefs
  • Server-side attribution
  • Dashboards that clarify
  • Conversion advisory
No contracts
Aligned incentives
Full transparency

How We Earn Your Trust

No lock-ins. We earn it every month.

No contracts

Month-to-month. Cancel anytime with 30 days notice. No penalties, no fine print.

Aligned incentives

Profit share means we only make more when you make more. Your growth is our growth.

Full transparency

Real-time dashboards, shared ad accounts, and direct Slack access. You see everything we see.

Honest feedback

If we're not the right fit, we'll tell you. If something isn't working, you'll hear it from us first.

This Isn't For Everyone

We take a limited number of clients and give each one our full attention.

Good fit

  • You have traction and are ready to scale paid acquisition
  • You have a team (or partners) who can execute on creative briefs and specs
  • You want to know what each channel actually costs you — not what the platform reports
  • You value async delivery over status meetings
  • Profit-aligned pricing makes sense for your business

Not a fit

  • Pre-product or pre-revenue
  • No one to execute on creative, landing pages, or email (you need a full-service agency)
  • Need weekly calls and constant check-ins
  • Looking for the cheapest option
  • Want guaranteed results before you've validated product-market fit

Honest Answers

No spin. Just what you need to know.

Condensed Growth

Insights on AI-native growth, creative velocity, and building systems that compound.

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Growth marketing that compounds.

Human expertise. AI velocity. No vanity metrics. Cancel anytime.