What is the Growth Codex? The six systems behind growth

I built it from a habit I picked up in my first career, in counter-terrorism policing with the TSG. Find the constraint, apply force at the right point, then move. It turns out businesses respond to the same approach.

Why does growth stall in an established expert-led business?

Growth usually stalls when one part of the business can't keep up with the rest. Referrals and reputation bring people in, but the path from interest to sale leaks, or delivery strains, or every decision still lands on the founder. Adding more activity then makes the weakest part work harder.

Most founders I speak to have already tried the obvious fixes. More content, more launches, another hire, another course. Each one made sense on its own.

I think of it like a leak in a pipe. You can turn the pressure up, and you mostly get more water on the floor. Find the drip. Fix the leak. Then turn the pressure up.

What are the six systems in the Growth Codex?

The six systems are Attract, Prime, Convert, Deliver, Manage and Scale. Together they cover the full path from someone noticing you to the business growing without needing more of your time. Each one has a clear job, and any one of them can be the constraint.

01 Attract: get the right people to notice you

Attract covers how new people find you, through paid ads, organic content, partnerships and referrals. At this stage most expert businesses lean on reputation and word of mouth. Those channels work, and they're hard to plan around because you can't turn them up when you need to.

When Attract is working, leads arrive on the days you don't post. With Mayhem Performance Coaching, a properly built ad system brought in 6,631 leads at $2.12 each from $15.5K of spend. That turned into $219K in cash collected.

02 Prime: build trust and buying intent before the sale

Prime is everything between someone enquiring and someone being ready to buy. Email sequences, nurture content, case studies and the assets that answer questions before a call.

When Prime is missing, every sales conversation starts cold, and the founder sells from scratch each time. When it's working, people arrive at the call already understanding the problem and trusting the approach. Calls get shorter, and close rates tend to climb.

03 Convert: turn that intent into customers

Convert covers the moment of decision: sales calls, landing pages, checkout, the offer and the price. Small changes here often move the most money, because every improvement multiplies everything above it.

With PFCA, we improved the conversion path and repositioned the offer. That contributed to 90% more enrolments at a 40% higher price, with a 5.4× cash return on ad spend.

04 Deliver: deliver the result consistently as demand grows

Deliver covers onboarding, client results and retention. It decides whether growth feels good or chaotic. If delivery depends on you personally, every new client adds to your week, and growth starts costing you more than it pays.

Retention is where it compounds. Clients who get results quickly stay longer and refer more, which makes every pound spent on acquisition work harder.

05 Manage: give the team clear numbers and ownership

Manage covers reporting, attribution, priorities and who owns what. It answers a simple question: can you see what's driving growth without asking someone to pull a report?

In a lot of businesses at this level, the founder has a rough feel for the numbers and nobody else does. So every decision routes back to them. Clear numbers and clear ownership let the team make more of the right calls without waiting for you.

06 Scale: grow without adding more founder effort

Scale is where you add fuel to what's already working. That means more budget on proven channels, new channels, and automation and AI for repeatable work. It comes last for a reason. Scaling a leaky system mostly means paying more to leak more.

Why does the order of the systems matter?

The order matters because each system feeds the next. Leads from Attract need Prime to warm them up, Convert to turn them into customers and Deliver to keep them. If one link is weak, improving the others builds a bigger queue in front of it and adds little revenue.

Eliyahu Goldratt set this out in The Goal back in 1984, using a factory. A system can only move as fast as its slowest part. I've found the same holds in expert-led businesses. It just shows up as a full calendar or an inbox of unanswered enquiries, where Goldratt had a pile of parts on the factory floor.

I often say it's dials, not switches. It shouldn't be on or off. Every business has all six systems running at some level already. The question is which dial is furthest from where it needs to be.

How do you find your constraint?

Start with the numbers you already have and a few honest questions about where things pile up. The constraint is usually where effort goes in and results stall. Think leads that go quiet, calls that end without a decision, clients who leave early or decisions waiting on you.

• If your leads doubled next month, where would they get stuck?
• Can you say which channel or offer created last month's revenue?
• What share of enquiries become sales calls, and what share of calls become clients?
• If you disappeared for two months, what breaks?

Whatever breaks first is a strong clue. It's just a case of being honest about it and checking it against the numbers.

How is the Growth Codex used in a Growth Sprint?

In a Growth Sprint, the Codex is the diagnostic. Before we meet, I audit the business against the six systems. On the in-person day we work through them together, agree the constraint and start building. Then we spend 30 days building and launching the work that removes it.

You keep the Codex afterwards as a way to decide where to look next as the business grows. The six questions stay the same each quarter, and the answers change as the business does. If you're weighing up who should help with this, growth partner vs marketing agency covers the trade-offs.

Frequently asked questions

Is the Growth Codex a course or a piece of software?

It's a diagnostic model, a structured way of looking at the six systems in an expert-led business. In a Growth Sprint, it's how we find the constraint and decide what to build. You keep using it afterwards to choose the next priority.

Do all six systems need to be working at once?

Every business already runs all six at some level. The aim is to find the weakest one, strengthen it, then move to the next. Trying to fix all six at once usually spreads the effort too thin to move any of them.

Which system is most often the constraint?

It depends on the business, which is why we diagnose before building anything. Two businesses at the same revenue can have completely different constraints. One needs more of the right leads, while the other is losing half of its leads before a call.

Who is the Growth Codex for?

It's built for established expert-led businesses, such as coaches, consultants, educators and service firms. They're typically doing £500k or more a year with a proven offer and real demand.

How is the Growth Codex different from a marketing framework?

Most marketing frameworks focus on getting attention. The Codex covers the whole business, from the first click to delivery, reporting and scale. That way you can see whether marketing is the constraint at all.