Case studies

Real Arrow systems in production — how GEO, custom AI systems, and content engines get built, launched, and measured. With the documents to prove it.

Nutrition · Custom AI System

Tina — the AI support layer inside a nutrition program

For nutritionist Laëtitia Suissa, Arrow built Tina: a patient assistant that answers questions about meals, motivation, and the program — plus a client space, automated follow-up emails, a document library, and progress tracking. The coach reviews everything; the AI does the repetitive work.

92%program adherence tracked

45documents centralized per patient

24/7patient questions answered

12 wksprogram run inside one space

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Tina — Arrow AI nutrition assistant case study cover

ChatGPT · live answer

GEO · France · Local services

France DPE — when ChatGPT starts sending you customers

A regulated French service category — energy diagnostics — where buyers now ask AI engines "which provider should I use". Arrow built the answer layer: service pages, local intent, comparison pages, schema, and proof. The brand went from invisible to recommended inside the answer itself.

Cited ✓recommended in ChatGPT buyer prompts

LocalFrance · regulated service category

GEO + CAIvisibility wired into intake

Proofscreenshot-verified AI answers

Read the case study Download the GEO deck (PDF)

The documents

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Tina — Case Study

The full patient-assistant build for a nutrition practice: client space, AI assistant, program operations, coach review.

PDF · 1.1 MB Download

Custom AI Systems — Presentation

How Arrow designs and ships AI systems: data, business logic, agents, and human review in one operating layer.

PDF · 0.9 MB Download

Arrow AI — Global Presentation 2026

The full Arrow system: GEO, AI Systems, and AI Studio — positioning, framework, and engagement model.

PDF · 1.7 MB Download

More case studies

The written playbooks

GEO AI visibility that turned into qualified leads Read the case study → GEO · France Ranking in AI search for a regulated French market Read the case study → GEO + Studio A GEO content engine that publishes every week Read the case study → AI Systems An AI operating layer for daily operations Read the case study → AI Systems The custom AI system case-study playbook Read the case study → Nutrition Tina: the AI nutrition companion, in detail Read the case study →

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Want the same results? The France DPE playbook powers our Home Services vertical — and the method is public: ChatGPT citations · Perplexity sources · AI Overviews. Start with your free scan.