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Case studies

From idea to tool: JCDecaux’s IT department in France identifies €2.19M in annual gains with AI

The AI Sisters Lab scoped the AI projects of JCDecaux’s IT department in France with a quantified ROI for each one: five use cases scored, two MVPs selected on their estimated gains.

AI scoping mission · December 2025 to February 2026
Maquette mobile des cinq cas d’usage IA scorés pour la DSI France de JCDecaux, dont deux retenus pour un MVPRestitution du 4 février 2026 : 2,19 M€ de gains annuels estimés, deux cas sur cinq retenus pour un MVP
€2.19M

in estimated annual gains across all cases

5

use cases analysed, scored and costed

7 wks

from kick-off to findings

2

MVPs selected, with specifications and roadmap

“

You went beyond all our expectations.

Eric Hahn, Responsable du pôle Compétences, JCDecaux

Eric Hahn, Head of Skills, JCDecaux

AI decisions made on figures, before and after

Before

Avant : Six idées de projets IA, aucune chiffrée

Six AI project ideas, none of them costed

Each department pushed its own, with no shared criterion to decide.

With the AI Sisters Lab

Avec le AI Sisters Lab : 2,19 M€ de gains annuels chiffrés

€2.19M in annual gains quantified

Five cases scored on the same grid, and one case dropped on the figures: €7K of gains for €89K of investment.

Before

Avant : 2 h 35 pour préparer un dossier commercial

2 h 35 to prepare a sales file

A time measured with the teams during the co-design workshop.

MVP target

Objectif du MVP : 25 minutes par dossier

25 minutes per file

For around €686K of estimated annual gains, with a POC on real data before the go decision.

From 15 December 2025 to 4 February 2026, the AI Sisters Lab ran an AI use-case scoping and prioritisation mission for JCDecaux's French IT department.

For each case: a questionnaire, a co-design workshop with the teams involved, a combined technical and business analysis, then an impact and feasibility score.

The goal: come away with a 2026 AI roadmap and two MVPs ready to be developed.

Choosing the AI projects that really pay off

In July 2025, AI Sisters had trained the French IT department's teams over two days. The logical next step: decide where to invest. Several departments each had their own AI project idea, and none had been costed.

The challenge for AI Sisters: identify use cases with a high return on investment, technically realistic and genuinely useful to the product, tech and sales teams.

A shared decision criterion

Each department was pushing its own project. A common scoring grid was needed, announced before the workshops.

Start from the ground

Real volumes and time spent, gathered with the teams, rather than desk-based assumptions.

Account for the existing IT system

Each case had to be assessed within JCDecaux's technical environment, with its access and security constraints.

Keep team time to a minimum

A short format per use case, so business teams were not tied up for weeks.

What if it were you?

Several AI project ideas, none of them costed?

We review them in detail with your teams and give you a well-argued decision.

Scope my AI use cases

Our AI consulting mission for JCDecaux's French IT department

A Lab team of AI consultants and engineers, supervised by our CTO. The same sequence for every use case, and a weekly check-in with the sponsors.

01

Kick-off and validated method

On 15 December 2025, an alignment meeting with the technical and business sponsors. The process was validated: short interview, questionnaire reviewed by JCDecaux, two-hour workshop, shared summary.

02

One co-design workshop per use case

From December to January: UX/UI AI, document AI, sales AI, finance AI. In each workshop: the current process, pain points, volumes and actual time spent.

03

Findings: five cases scored and costed

On 4 February 2026, for each case: a technical analysis and a business analysis, an impact and feasibility score out of ten, an estimate of gains and implementation cost, then a verdict.

04

Roadmaps for the two selected MVPs

On 19 February 2026, for the two cases chosen by JCDecaux: functional and technical specifications, backlog, demo scenario and development roadmap.

Les six étapes de la mission de cadrage IA de la DSI France de JCDecaux, de décembre 2025 à février 2026
What if it were you?

Have you chosen your use cases?

Discover our AI POC and MVP support, tested on your data and validated by your teams.

Move to POC

AI use cases analysed for the French IT department

Five use cases assessed against the same grid. Scores are out of ten; gains are estimates built with the teams, to be measured after deployment.

Bento de la mission JCDecaux : cinq cas d’usage scorés, deux MVP retenus, méthode en cinq étapes

Selected for an MVP

→ Sales AI: impact 8.0, feasibility 7.3

→ Financial statements AI: impact 8.5, feasibility 5.8

→ Sales AI target: from 2 h 35 to 25 min per file

High potential

→ Document AI, 360 view: impact 8.4, feasibility 5.8

→ Technical constraints to resolve before committing to development

Quick win or not a priority

→ UX/UI AI, mock-ups: impact 5.8, feasibility 9.2

→ Customer visit route AI: impact 3.6, feasibility 7.5

Results of the AI mission at JCDecaux

The French IT department came away with a well-argued decision: two MVPs selected, sales AI and financial statements AI, each with its functional and technical specifications, backlog and roadmap.

What if it were you?

IT, product, sales, finance: every department has its use case.

Let's talk about the one that will pay off most for you.

Got it. The Lab team will email you to set up a first call.

Your email didn't go through. Check the address, or write to us at contact@aisisters.ai.

A Lab expert will reply to scope your AI agent project, with no commitment.

Client
JCDecaux
Sector
Outdoor advertising
About the client
World leader in outdoor advertising. Its French IT department builds the internal tools used by the product, sales and finance teams.
Teams supported
French IT department, National Sales Department, Finance and Regions
Format
Lab scoping mission: workshops, technical and business analysis, scoring, MVP roadmaps
Period
December 2025 to February 2026
Tools
Azure OpenAI, LangGraph, Next.js (planned MVP stack)

Data security and privacy

Every Lab project takes your security constraints into account from the scoping stage. Tools are built in your environment or on services covered by a data processing agreement (DPA): your data is not used to train models. Processing complies with GDPR and the EU AI Act.

Quantify your AI use cases

A free 45-minute scoping session with a Lab expert.

Got it. The Lab team will email you to set up a first call.

Your email didn't go through. Check the address, or write to us at contact@aisisters.ai.

A Lab expert will reply to scope your AI agent project, with no commitment.

They moved to AI with AI Sisters

“Great training and a very practical audit: we are already seeing tangible gains.”

Élodie Bassinet
Director of Strategic Marketing and Development, TV5MONDE
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“AI Sisters supported 150 Webedia employees with truly exceptional shows and workshops. Extremely hands-on, and the productivity gains are already very measurable.”

Michèle Benzeno
CEO, Webedia
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“Two brilliant training sessions with AI Sisters. Titouan was excellent: highly personalised, relaxed and accessible. The team demystified a subject that seemed so complex. Thank you!”

Pascale Luca
Deputy Managing Director, Les Échos Le Parisien Médias
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“It was really great: AI Sisters supported the entire IT department with immediate impact. I recommend them 100%.”

Eric Hahn
Head of Skills, JCDecaux
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“An unforgettable experience: dynamic, practical and directly useful day to day. The teams are still talking about it!”

Céline Trancart
Sales Director, Webedia
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“A very dynamic, practical day, perfectly suited to our challenges. The teams came away with tools and ideas to put into practice the very next day.”

CSR & Internal Communications Manager
Prisma Media Digital
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They got their teams to adopt AI: Accor, La Poste, Samsung, JCDecaux, Vinci, Engie, Ipsen, Havas, BPCE, CMA CGM, TV5Monde, Webedia, Google 4.9/5
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