Custom business applications · AI assistants

The software your company is missing, built for you.

Your teams make do with shared spreadsheets and software that doesn't fit. We build the application that matches exactly how you work, then add AI assistants that know your business.

job-tracking
Jobs · week 32
+ New
6To schedule
4In progress
12Done
2Overdue
RefClientTypeTech.TimeStatus
1042Morel GarageMaintenanceK. Ben.08:30Done
1043Petit BakeryRepairS. Leroy10:15In progress
1044Riva TransportInstallationK. Ben.11:00In progress
1045South Vet ClinicAnnual checkM. Diaw14:00Scheduled
1046Hôtel des VignesRepairS. Leroy15:30Overdue
Mockup, example of a field-service tracker.
01 · Your situation

You recognize at least one of these situations.

The spreadsheet became the software.

A shared file runs part of the business. Nobody knows which version is the truth, and one copy-paste mistake costs a day.

Off-the-shelf software doesn't fit.

You pay licenses for 20% of the features, and your teams have invented workarounds for the missing 80%.

Tracking is manual, or missing.

Tasks get done every day without being tracked, or tracked only by hand. Nobody knows where things stand without making a call.

This isn't a management mistake. It's a tool that has served its time. Custom software cost too much to replace it. That's no longer true.

02 · Our proposal

Your application, module by module. You only pay the subscription.

Not off-the-shelf software to bend into shape. An application built for you, in building blocks you choose, on a base that runs everything.

Quotes and invoicing
Business processes
Field applications
+ a module when the need arises
Common baseHosting, backups, maintenance, support, and the same data for every module
1 · The base

What runs the application.

Hosting, backups, maintenance, support, a single database for everything. It's the same for all our clients, and it's included in the subscription.

2 · The modules

One per part of your business.

Quotes and invoicing, business processes, field applications: each module covers one part of what you do, and takes the form that serves your teams, a management screen, a mobile app, a client portal or automations. You start with the ones that matter most.

3 · You add

When the need arises, never before.

A new module is scoped in a few days and added to the subscription, without paying for the build again. Everything shares the same data: a client entered once is known everywhere.

03 · Artificial intelligence

AI assistants that know your business. Not one more chatbot.

Everyone is adding AI to their software. Placed on a standard tool, it doesn't know how you work, it answers beside the point, and your teams stop using it. Ours is different for a simple reason: we built your application, on your methods. The assistant knows your rules, your exceptions, your vocabulary and your data. That's what makes possible for you what is impossible on the tools you use today.

assistant · quotes-and-invoicing
Prepare the quote for Morel Garage from yesterday's request.
Quote #2041 prepared. Three lines, client rate applied, usual 5% discount on labour. Lead time: 10 days, as on the last two quotes for this client. To validate before sending.Open the quote
How many long-term rental invoices are still to issue this month?
Seven invoices remain to issue for August. Two contracts end on the 30th: 12m lift at BTP Roussel and mini excavator at TP Vexin. Shall I prepare the invoices?
Mockup, example of an assistant on a module. It answers with your data, your rates and your rules.

What an assistant does for you

  • Prepares a quote from a request, with your rates, your discounts and your usual lead times.
  • Attaches a document, an email, a photo to the right job, without anyone filing it.
  • Pre-fills a job report. To review, not to retype.
  • Answers your questions about your business, in figures, instantly. The table you used to rebuild by hand, it produces.
  • Sends reminders and Monday-morning reports on its own, on the rules you set.
1 · The application first

No AI at the start.

We build and go live. No assistant at launch, on purpose: an assistant without real data answers beside the point.

2 · Real use

Your teams work in it.

Real data accumulates, rules get sharper, edge cases appear. That's what makes the assistant accurate on your business, not on a business in general.

3 · One assistant per module

Once the application is proven, as an option.

After you have tested the application and its use, you switch it on module by module, when you decide. It's tested on your real questions and shipped only if it answers 90% of them correctly. Below that, it doesn't ship.

And it doesn't stop there. We build with AI ourselves, every day. Your applications are designed to welcome it from day one, and to stay current for the years ahead, not just at delivery.

04 · Examples

What it looks like, at two clients.

Two very different trades, the same logic. References cited without names or logos, as a rule.

Yvelines, France

Construction equipment rental company

Starting point

A fifteen-year-old ERP no longer follows the process. Workshop inspections are on paper, the drivers' schedule is on a whiteboard, and every long-term rental invoice is rebuilt by hand.

What the application does

Each piece of equipment is tracked from quote to return. The contract stays open while equipment is with the client, and long rentals invoice themselves every month. Drivers have their schedule and inspections on their phone.

Scale : 5 users, 300 pieces of equipment tracked individually, around 4,000 invoices per year.
equipment-fleet
212With clients
82Available
6In workshop
EquipmentClientStatus
8T excavator · A214BTP RousselWith client
12m lift · B078·Workshop
Compactor · C331·Available
Mini excavator · A102TP VexinWith client
300 units, page 1 of 25 · Mockup
Paris region, France

Point-of-sale advertising and signage manufacturer

Starting point

Campaigns roll out across dozens of stores in a few days. Installation tracking travels by phone, email and loose photos, and the client report is rebuilt by hand.

What the application does

A campaign becomes a list of sites. The installer gets a route sheet on their phone, takes before and after photos, and flags an issue from the field. The client follows the rollout live, and the installation report exports in one click.

Scale : About ten users, campaigns of 20 to 80 sites, installers on the road.
spring-campaign
27Installed
3Issues
4Pending
SiteInstallerStatus
Vélizy 2 · Site 07A. CostaInstalled
Parly 2 · Site 12A. CostaInstalled
Créteil Soleil · 19N. GirardIssue
Rosny 2 · Site 23N. GirardPending
34 sites, live updates · Mockup
05 · Timeline

A typical schedule, from scoping to go-live.

Twelve weeks. You see the mockup in week 3, and you only pay the subscription from go-live.

Weeks →
W1W2W3W4W5W6W7W8W9W10W11W12W13W14W15W16
Functional scopingObservation, interviews, clickable mockup, specification
BuildDevelopment in batches, validation demos
Go-liveCut-over and hand-over to your teams
WarrantyOne month of conformity warranty, fixes at no extra charge
1 month

Indicative order of magnitude: the precise schedule is set during scoping, based on the scope.

06 · Scoping

Scoping is paid. On purpose.

We don't do rough free quotes. We do the real work of understanding your business, over three weeks, and we hand it over to you. What you pay for, you keep, even if you then decide not to build with us.

It's a commitment on both sides: you know we're putting real time into it, and we know you're serious.

  • On-site observation and interviews with the people who do the work, not only management.
  • A specification written by us, which you correct and validate.
  • A clickable mockup of the application, screen by screen.
  • Module scope, schedule, and subscription amount, given at that point.
Paid. Once.
Three weeks of work, billed at signature.

What you get

  • The specification of your application
  • The clickable mockup, screen by screen
  • The module scope and the schedule
  • The subscription amount, no surprises
Yours to keep, even if you stop there.
07 · Billing

How we bill. Simple, no surprises.

No price list: every application is different, so is its subscription. The way we bill, though, is the same for everyone.

Scoping

Paid, once.

Three weeks of work, billed at signature. You leave with the specification and the clickable mockup, yours whatever happens.

Build

No cost.

You don't pay for development. It's amortized in the subscription, over time.

Subscription

The base, plus your modules.

It starts the day your teams actually work on it, not at signature. It's made of the common base, the same for everyone, and the modules you chose. A large module and a small module don't cost the same, nor does a connector. The amount is given to you at the end of scoping, with the mockup.

Commitment

Twenty-four months, then monthly.

That's what allows us to bill no build cost. Afterwards, monthly renewal with no commitment.

What's included

Everything that runs and improves the tool.

Hosting, backups, maintenance, support, and day-to-day adjustments. The application keeps improving with you, without a quote for every request.

Adding a module

A short scoping, then it joins the subscription.

When a new part of your business needs to enter the tool, we scope it in a few days, then the module is added to the subscription. You never pay for the build again.

AI assistants

One per module, as an option.

Once you have tested the application and its use. You switch them on module by module, and an assistant only ships if it answers 90% of real questions correctly.

08 · Our commitments

What we put in writing, in the contract.

Trusting an outside provider with your work tool is a bet. Here is how we reduce it.

You pay nothing before using the application.

No build cost. The subscription starts the day your teams actually work on it.

One month to report everything.

After go-live, any fix reported during the first month is done at no extra charge.

Your data stays yours.

Hosting in Europe, daily backups, full export of your data on request, at any time.

Development doesn't stop at delivery.

Adjustments and continuous improvement are included. A new need gets scoped and built, it isn't negotiated as a surprise quote.

An AI assistant only ships if it's right.

Tested on your real questions, shipped only at 90% correct answers. Below that, we keep working on it, not you.

Scoping belongs to you.

Specification and clickable mockup are yours, even if you decide not to build with us.

09 · Frequently asked questions

The questions we advise you to ask us.

Including the ones where the answer isn't in our favour.

How much does it cost?
A paid scoping, billed once at signature. Then a monthly subscription, with no build cost, starting at go-live rather than at signature. Twenty-four-month commitment, then monthly. The amount depends on the base and the modules chosen: we give it to you at the end of scoping, with the mockup.
Why a 24-month commitment?
Because it's what allows us to bill no build cost and keep the subscription this low. Development is amortized over time, not billed upfront.
What happens after the 24 months?
Monthly renewal, no commitment. You keep the application as long as the subscription runs, and it keeps evolving with you.
What if we stop after scoping?
Scoping remains due, but you leave with the clickable mockup and the specification, written for you. They're yours, even if you don't build with us.
Do we own the code?
No. You have a licence to use it. We'd rather say it upfront than bury it in the terms. Your data, however, stays yours, exportable at any time.
Who actually builds it?
A tight team: a founder who ran a 38-person services company, a project director with thirty years of experience, and a developer. Contracts are signed by S2IAD, which may subcontract part of the build. Scoping and follow-up stay with us.
Is the AI available right away?
No, on purpose. Assistants arrive after you have tested the application and its real use. An assistant only ships if it answers 90% of real questions correctly.
What do we have to write on our side?
Nothing. We observe how you work, we put it in writing, you correct. The specification is written by us.
How long before we have the application?
Twelve weeks from signature to go-live: three of scoping, eight of build in batches, then go-live. One month of warranty afterwards.
We already have software. Do we keep it?
Often in part. Connectors link the application to the tools you keep, accounting for instance. We replace what no longer keeps up, not what works.
Contact

20 minutes to know if it is feasible.

You describe what wastes your time. We tell you frankly whether a custom application is the right answer, and what it involves. No obligation.

If it makes sense, the next step is a three-week paid scoping, whose result you keep.

Book a slot

Pick a time directly for a 20-minute call.

Or send us a message

Your answers are only used to prepare the call.