---
title: "Client cases: AI delivered in SMBs and large groups · Quentin Andrieux"
description: "Anonymised projects: field apps for industry and HVAC, a matching platform, a sales cockpit with AI, automated follow-ups. The context, what was built, what it changed."
url: https://quentinandrieux.com/en/client-cases/
lang: en
author: Quentin Andrieux
updated: 2026-11-10
---

> Version texte de https://quentinandrieux.com/en/client-cases/ (the HTML page is the reference). Author : Quentin Andrieux, https://quentinandrieux.com/

[Home](https://quentinandrieux.com/en/) Client cases

Client cases · anonymised projects

# Systems that run, in the field and in sales.

The context, what I built, what it changed for the business.

Energy industrial · innovation unit ÷2 maintenance intervention time, as estimated by the team

Apps that bring information from the field to the office (maintenance, quality, safety) and make it manageable, without depending on IT.

POC delivered in 6 days Kaizen programme

HVAC SMB · new owner ÷2 time spent per field intervention, as estimated by the team

The owner had just taken over the company. Interviews with the teams, then an app built brick by brick on their real processes.

2-week sprint AI image reading

Engineering consultancy ×5 to 10 inbound volume handled per business manager

A candidate matching and client sourcing platform, with candidate, client and admin spaces, plus the company website.

5 months of support Candidate, client and admin spaces

Events and media group · €13M revenue 13 salespeople equipped with an AI sales cockpit

After two CRMs that never got adopted, a tool plugged into their existing system: pipeline, dashboards, an AI assistant connected to the data, and a planner where each salesperson builds their quarter from their targets.

Sales Pilot Workshop with leadership and sales

Corporate childcare network · B2B sales 200 signal-qualified prospects for the first sprint

A base of qualified prospects built from signals (size, CSR commitment), outreach sequences and a sales playbook for the field salesperson.

Monthly sales team coaching

Event agency · B2B and B2C 100% of inbound requests handled, 40% of sales time saved

Website forms routed into the CRM, calls synced, and automatic email and SMS follow-ups timed on the prospect's behaviour.

CRM · telephony · follow-ups

Maintenance and HVAC

## Field use cases, with a demo.

Built for an HVAC company with about twenty technicians, each shown with a demo.

[Maintenance · HVAC](https://quentinandrieux.com/en/maintenance/service-report/)

### Service report

The technician dictates or takes a photo, and the standard report goes to the customer and the office.

[Maintenance · HVAC](https://quentinandrieux.com/en/maintenance/follow-up-quote/)

### Follow-up quote

The technician's findings become a quote at the company's prices, ready to validate the same day.

[Maintenance · HVAC](https://quentinandrieux.com/en/maintenance/nameplate-reading/)

### Nameplate reading

One photo of the nameplate, and the equipment database updates: brand, model, serial number.

[Maintenance · HVAC](https://quentinandrieux.com/en/maintenance/service-report-calculator/)

### Calculator

What your service reports cost you, worked out with your own figures.