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Case Study. Agency. System building.

TheBlackBird was the agency where I learned that marketing only works when the whole system works.

I built, grew, and exited a niche agency serving e-learning platforms, creative schools, ecommerce brands, and companies that needed product-led growth.

Founder, agency operator, growth systems
ExitedOutcome
GlobalClients
SystemsMethod
Agency buildingPaid acquisitionFunnelsProduct-led growthCreative directionEducation growth

Why it mattered

TheBlackBird was not a generic marketing agency.

It was where I learned the pattern that still drives my work: connect product, retention, sales funnels, creative, and paid acquisition into one system.

The situation

The agency served e-learning platforms, creative schools, ecommerce companies, and specialist brands.

Clients included CGMA, RebusFarm, Learn Squared, Rebelway, Vertex School, Think Tank Training Centre, ecommerce brands, and other specialist companies. I also consulted for agencies whose work affected brands I will not name directly here.

The conflict

Most agencies sell channels. Ads. Email. Landing pages. Content.

That is not how growth works. A channel only works if the product promise, offer, onboarding, retention, and sales system make sense.

What I did

I built the agency around systems thinking. We worked on trailers, ad campaigns, landing pages, funnels, student selection, instructor launches, email flows, product ideas, and conversion paths.

The work looked like marketing from the outside. Underneath, it was product and behavior design.

Resolution

I eventually exited the agency and moved deeper into product and software.

The lesson: the strongest marketing is usually the visible layer of a better product system.

What this proves

  • Marketing cannot save a weak product path.
  • The most valuable agency work often sits between product, offer, and funnel.
  • A good operator connects the dots that separate teams usually miss.

Quick answers

What was TheBlackBird?

TheBlackBird was Carlos marketing agency focused on growth systems for e-learning platforms, creative schools, ecommerce brands, and specialist companies.

Why is the agency important?

It explains Carlos operating style: product, retention, funnels, paid acquisition, and creative connected together.

Did Carlos work with other well-known brands indirectly?

Yes. Carlos also helped agencies whose work affected larger brands, but those names are intentionally kept as a subtle nod because the direct client relationship was with the agency.

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What I am building now

For the past years, a lot of my time was tied to long contracts with CGMA and Domestika. Around that work, I kept building my own products. That matters because every product forces the same work in a tighter loop: product decisions, AI workflows, onboarding, pricing, conversion, retention, and the small details that make people come back. This case study shows the client work. The projects show what I learn when I have to ship the whole system myself.

See the projects