Yesterday, building custom software cost €30,000 and took 6 months.

Today it takes 1 day and costs €1,200

The quality hasn't changed, only the methods.

Which means you can save money and time.

A custom tool is a huge competitive advantage, and it used to be reserved for the giants. I'm making it available to anyone with a project!

Youssef, founder of Growth with Flow

Hey, that's me

I'm a French software engineer. After my studies I left a consulting job at an investment bank and went freelance, with one mission: helping people who want to do things differently actually get their projects built.

I show how I do it every month

We build an app together in a 1-hour workshop, free, at The Social Hub Toulouse.

One a month

The first workshop went really well, we're preparing the next one

Leave your email: you'll hear before anyone else

See the workshops

Two kind messages from happy clients

Careful, I'm going to blush.

Nobody had taken the time, or had the curiosity, to really understand what was blocking us.

I get so much praise for that website. It's so different, exactly like my school.

A way of working that didn't exist before.

One-to-one sessions in Toulouse. A consulting session on your processes, then we build the tool together. You leave with a custom application that belongs to you.

It starts with a video call to meet, no strings attached.

  1. Understand

    1

    During the session, I take the time to understand how you work, and what you're aiming for.

  2. Frame

    2

    We write your roadmap: what we build today, and what comes next.

  3. Build

    3

    We design the tool together, I build it with Claude Code. You validate as we go.

  4. Support

    4

    After the session you're not on your own: I'm around when you need me. Going live, maintenance, advice, new features.

Examples of what we can do

The kind of tools we can build together during a session.

Doable in one day

An app to track your money

Budget, bank, invoices, tax: all in one place.

  • Connected to the bank, transactions arrive on their own
  • Every expense filed by AI under the right budget line
  • Compliant electronic invoicing, tax return prepared
See the details

Having tools that work is a health matter.

For the company. And for the people carrying it.

0%

of company directors report being burnt out.

LHH ICEO, 2025

0%

of small business owners run their own IT. On top of everything else.

CCI Lyon / France Num

8 to 0

SaaS tools per small business on average, often underused, rarely connected.

Baromètre France Num, 2025

The sessions

Together we build an application designed around your own processes.

Two ways to pay

Pay upfront

You pay for the session upfront. Then you choose: I keep the app online and maintain it, or you take it over if you have a technical team.

Pay monthly

You pay monthly for a year. Everything is included: the session, going live, the upkeep. After a year, same choice: I carry on, or you take it over.

One day

€1,200€800
for the first 5

We take one process and tool it end to end.

I keep the app online: €90 / month, optional.

Three days

€3,000

We take several processes that feed into each other.

I keep the app online: €150 / month, optional.

Coffee, lunch and access to The Social Hub included.

Five days on a retreat

We go away and take on the thing you keep putting off. Airbnb, all inclusive: we unplug, we cook, we get some air. And we genuinely move on what's been dragging for a year.

from €8,000

depending on the place

And afterwards?

Consulting session, 1h€300
Adding a feature€500

Is your project one day or three?

Tell me what you want to build, in your own words. I'll ask a question or two, then tell you which format it fits.

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Frequently asked questions

€800 for the one-day session (launch price for the first 5, €1,200 afterwards), €3,000 for three days, from €8,000 for a five-day retreat. Everything is included: the framing, the development, going live. And every format can be spread over twelve months.

Yes, for one process. In the morning we frame your business, in the afternoon we build with Claude Code, by the evening the tool is online. What used to take a team six months now takes a day. The quality hasn't changed, only the methods.

You do. The same evening if you pay upfront, at the end of the year if you pay monthly.

You, on your own servers. Or me, for €90 / month with no commitment (€150 / month for the three-day format).

In Toulouse, at The Social Hub. Access is included, so are coffee and lunch. For the five-day retreat we go away to an Airbnb, all inclusive.

Consulting sessions at €300 per hour, and new features at €500 per feature.

No. In the morning we frame your business and your processes, and I advise you so we're sure we're building the right tool.

I use Claude Code, and the subscription is affordable for anyone. But delegating to an AI a task you have no skills in yourself is a bad idea: you won't be able to judge what it produces. That's where I come in.

Yes, it's the very demo of my workshop: a compliant e-invoicing app, designed and put online in one hour. Electronic invoicing becomes mandatory in France from September 2026, so you may as well own your tool rather than rent one more subscription.

Me, Youssef. I'm based in Toulouse, I design and build custom business tools for small and medium companies and for people starting out, and I'm your only point of contact, from framing to going live.

We should talk!

If you've made it this far, it might be worth carrying on with an actual call?

Grab a virtual coffee with me ☕