How to scale your company without breaking the culture

Laurent Decrue
Laurent Decrue
Co-Founder & Co-CEO / CFO at Holycode

When you're ten people sitting in one room, culture feels easy. Everyone hears the same conversations, decisions happen quickly, and alignment comes naturally.

Team photo

But then you hit 30… then 50… and suddenly, the vibe starts to fade. People don’t know each other anymore. Communication slows down. Culture becomes something you actually have to work on.

Many founders underestimate this transition. They assume culture will survive on its own. In my experience, it doesn’t.

I’ve seen great teams lose what made them special simply because they thought culture would take care of itself while the company scaled.

Let’s talk about the real culture work: what changes when you grow and how successful founders keep the spark alive. (Spoiler: it’s not ping pong tables or Slack emojis.)

1. Culture doesn’t scale on its own – process does

In one of the startups I worked in, we had an amazing culture. Everyone hustled, helped each other, and genuinely pushed towards the same goal. But when we reached around 40 people, things started to shift. Misunderstandings popped up. Teams were less synced. People felt left out of decisions.

At that point, I realised:

Culture only survives growth when you build systems to support it.

When you’re small, culture happens naturally. As you grow, spontaneity has to be replaced with intentionality.

Town halls. Weekly syncs. Clear goals. Role clarity. 

Most founders think of these as operational tools, but they’re culture tools too.

It’s not always easy, but it can protect your culture. 

2. When people feel left out, stress creeps in

One thing that caught me completely off guard:

People start feeling out of the loop, even if they don’t need to be in the loop.

As you grow, not everyone can be in every conversation anymore. That’s normal. But some team members will interpret that as “I’m being left behind” or “I must have missed something important”. They start stressing, taking initiative where it’s not needed, or duplicating work. It’s exhausting for everyone.

The fix is actually pretty simple: communicate clearly, intentionally, and on time.

You don’t need to share every detail with everyone, but you should avoid creating information gaps where assumptions and rumours take over.

     —  Share important info with everyone at once.

     —  Avoid sporadic updates. Don’t let gossip do the work.

     —  Most importantly: build trust that people will know what matters when it matters.

3. Onboarding is where culture really begins

Back in Holycode’s early days, onboarding was pretty straightforward:

“Hey, welcome! Here’s your laptop. Good luck.”

Over time, onboarding became one of the most powerful culture-building tools we have. We fly new joiners to our main office for a 4-day deep dive. The goal isn’t productivity. It’s connection. They meet people across teams, learn how the company works, ask all the questions, and get a feel for our culture before they start executing.

We also check in after 2, 4, 8, and 12 weeks. Not just to see how they’re performing, but to hear their perspective too.

Fresh eyes often spot things that the rest of us stopped noticing a long time ago.

And before they even start, we already align on what success in year one looks like. It prevents all the “wait, that wasn’t my job” moments down the line.

4. Middle management: the culture bridge you can’t ignore

One big lesson I learnt is that once you pass 50 people, you’re not leading the culture alone anymore. Your team leads are.

That means you need to train and coach them to lead the way you would.

How they run meetings.

The way they give feedback.

How they make decisions.

It all adds up.

That’s why investing in middle management becomes so important.

You need to coach your leaders not only on what they do, but also on how they do it. Show them how you communicate, so they can pass it on the same way.

Because if they’re not aligned with your values, culture starts drifting.

It doesn’t vanish overnight, but it erodes quietly through hundreds of small interactions over time.

That’s why helping your team leads grow into strong leaders is one of the best investments you can make as a founder.

5. Culture spreads through behaviour, not slides

Let’s be honest – values posters don’t build culture.

(Although yes, we have them and we like them very much.)

What matters more is what people see every day.

They don’t learn culture from documents.

They learn it by watching how you behave.

How you act under pressure.

How you treat people.

What you celebrate.

What you tolerate.

That’s what gets copied.

Even now, I still join most final interviews. It doesn’t scale, but it shows people that we take culture seriously.

But the good news is that the most important part does scale.

Living your values visibly.

Every single day.

Final thoughts 

Scaling doesn’t mean giving up on culture. It means protecting it, on purpose. 

Build systems that support your values

Communicate clearly, consistently and in a timely manner.

Treat onboarding like culture training.

Invest in your team leads – they carry the culture

Lead by example, not just by memo.

Don’t cling to the “good old days.” Evolve your culture without losing what made it special in the first place.

Scaling your team and want to talk onboarding flows, culture rituals, or growing pains? We’re here to help.

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