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Building a sustainable growth engine: with Maya Moufarek

In our latest Nauta Collective session, we welcomed Maya Moufarek as our GTM expert. Maya spent time at Google, American Express, and notonthehighstreet.com, before scaling Pharmacy2U to the UK’s largest online pharmacy as founding CMO, leading to a PE exit. Maya is now a fractional CMO, angel investor and board member, partnering with VC-backed founders to build scalable growth engines.

The Startup Growth Lifecycle

One of the most important reminders: growth doesn’t happen in a straight line. Founders often fixate on their current stage, but real progress comes from understanding the full lifecycle and the transitions between stages. Managing those transitions are where many companies fail.

  • Pre-product-market fit (PMF): Discovery and validation
  • PMF: Early traction and signal
  • Channel-market fit: Finding scalable acquisition
  • Maturity: Building teams, systems and structure

Each stage requires different thinking, metrics and capabilities; trying to apply yesterday’s playbook to today’s challenges is one of the fastest ways to stall growth.

The Three Must-Win Battles (Before You Scale)

Before pouring fuel on the fire, every startup needs to continuously refine three core areas:

1. Customers - what actually matters to them?

  • Conduct regular customer interviews (especially recent customers)
    • Long-term users unintentionally rewrite their origin story, while fresh users who joined in the last 1-2 months will remember their real triggers, searches and doubts
  • Focus less on product opinions and more on the problems being solved

2. Messaging - does it truly resonate?

  • Use the customer’s language
  • Focus on benefits, not features
  • Build a clear, structured messaging house

This is where language-market fit comes in – an often overlooked concept. You might solve a real problem, but if you can’t communicate it clearly and convincingly, growth will stall.

3. Go-to-Market - where are your customers?

Your channels should emerge from real behaviour, not assumptions.

  • Map the customer purchase journey
  • Identify where awareness of the problem begins
  • Double down on channels where customers naturally spend time

The more detailed your journey mapping, the more opportunities you’ll uncover to influence decisions earlier, provide the right content at the right time, and improve conversion through the funnel.

Product-Market Fit is a Loop, not a Milestone

 A common mistake is treating PMF as a one-time achievement. In reality, it’s stage- and segment- specific, and every new vertical, ICP or material feature sends you back to the start of the loop. This means returning to:

  • Customer interviews
  • Jobs-to-be-done
  • Messaging validation

Assuming “we already know our customer” is one of the most expensive assumptions a team can make.

Channel-Market Fit

A channel earns the right to your spend only when it's:

  • Repeatable - works next month, not just last week
  • Scalable - absorbs 5–10x more spend without breaking unit economics
  • Profitable - credible payback inside your target window
  • Defensible - margins survive when a competitor enters

Miss one of these, and you don’t have a channel, only a temporary opportunity.

Startups often test many channels at once, resulting in no clear signal. Five channels at 20% effort each produce noise, while one channel at 100% effort produces insight. Pick one, uncover real signal and data, then expand.

When to Double Down on a Channel

Before increasing spend, five conditions must be met:

  1. Payback period is stable across at least three cohorts
  2. CAC is stable or decreasing as volume increases
  3. The channel hasn’t saturated (there’s still room to grow)
  4. Your team can clearly explain why the channel works
  5. Your team can run it without founder involvement.

Moving Beyond Founder-led Sales

Founder-led sales are powerful early traction, but they don’t scale. The transition happens when the “Why Buy” playbook leaves your head and lands on paper:

  • Why customers say yes
  • Common objections and how to handle them
  • Messaging that consistently works
  • Variations by ICP and vertical

If you’re still on every demo and call, you haven’t transitioned out of founder-led sales, you’ve only added headcount to it.

AI: A Powerful Tool, Not Strategy

AI compresses the work, but it doesn't replace the thinking.

Real leverage where AI compresses:

  • Faster customer research synthesis
  • Rapid messaging iteration and A/B testing
  • Scaled content production
  • Improved attribution analysis

Where it doesn’t:

  • Defining your ICP
  • Choosing the right channel
  • Prioritising what to test

AI on fuzzy ICP, differentiation and messaging is just expensive fuzz.

Incentives Drive Behaviour

When a sales team keeps reverting to old behaviour despite training, it's almost never a knowledge problem; it's an incentives issue.

  • Are teams rewarded for the right outcomes?
  • Do compensation structures align with priorities?
  • Are new products or motions properly incentivised?

Audit the structure before you audit the team.

Case Study: Pharmacy2U

One of the most powerful examples from Maya’s experience at Pharmacy2U wasn’t a digital channel at all; it was posters and leaflets in GP surgeries.

  • Patients waiting for repeat prescriptions were already frustrated
  • The message met them at the exact moment of need
  • Insights came directly from customer interviews

Once the economics were proven, the strategy scaled nationally and became highly defensible through exclusive placements. The lesson: the best channels aren’t always obvious. They’re discovered through a deep understanding of customer context and behaviour.

Building a growth engine isn’t about chasing tactics but building systems that are grounded in real customer insight; validated through repeatable channels; and scalable beyond the founding team.