About
We've spent years on the client side of agency relationships. We started Big Brain to build the partner we wished we'd had.
A note
On why we built this.
Most agencies pitch you the work they want to do, then bill you while they figure out the work you actually need. We sat on the client side of that for years. We got tired of it.
The job has also changed. Creative is now built by AI. Strategy lives inside the tools you use, not in a deck. Engineering isn't the back office — it's the product. Most agencies are still selling the eighteen-month version of work that takes weeks.
We built Big Brain to be the partner we wished we'd had: one small team that learns your business properly, makes the call once, and ships the work. Not seven vendors. Not a quarterly slide review. Just the work — and the numbers to show what it did.
We're based in Johannesburg. We work with founder-led businesses around the world. And we say no to a lot of things — that's deliberate. It's how the work stays good.
— Big Brain
What we believe
Four ideas this firm was built on.
- 01
Most agencies sell the work they want to do.
We started because we saw too many engagements where the agency confidently built the wrong thing. We work backwards from your problem, not from our list of services.
- 02
Software, marketing, and AI are one problem now.
The companies that win treat them as one system. So we built one small team that handles all three — instead of three vendors writing emails to each other.
- 03
The work has changed. Most agencies haven't.
Creative is generative. Strategy lives inside the tools you use. Engineering is the product, not a back-office cost. We built the firm around how the work actually gets made today.
- 04
You should always know what's happening.
No black-box monthly reports. You see the same dashboards we do, every week. If we're not moving the number, you'll know it before we tell you.
Who this is for, and who it isn't.
Who this is for
Founder-led businesses with a real growth problem.
- You are doing real revenue, but growth has plateaued or you can't see the next step.
- You are weighing up an agency, an in-house hire, or starting an AI initiative — and not sure which one to pick.
- You are tired of vendors who can't explain how their work shows up in revenue.
- You want a long-term partner who learns your business, not a series of one-off projects.
Who this isn't for
And what we'll turn down.
- Very early-stage start-ups still figuring out the product — that work belongs with the founders, not with us.
- Buyers shopping for the cheapest agency on a fixed scope — that's a procurement problem, not a marketing one.
- Companies looking to put a chatbot on their homepage and call it an AI strategy.
- Engagements where we can't agree, up front, on the number we're going to move.
Still reading?
Then it's probably worth a conversation.
Thirty minutes is all we need to know whether this fits. No decks. No pitch theatre.