Samuel Gothon-Raynaud

I am Samuel, an Excel expert, VBA developer, and independent consultant, founder of Soluzio: a company dedicated to Excel modeling, file optimization, automation with VBA & Power Query, as well as Qualiopi certified professional training.

My goal: to transform your Excel files into clear, reliable, and efficient tools, perfectly adapted to your business.

For several years, I have been assisting freelancers, VSEs, and SMEs whose Excel files have become cumbersome, time-consuming, or risky to modify. With Soluzio, we bring order, automate what needs to be automated, and create sustainable and user-friendly tools.

Optimization and redesign of complex Excel files

Automation via VBA and Power Query

Modeling of business tools (quoting, planning, sales tracking, HR, production management…)

Data cleaning, processing, and preparation

Dynamic dashboards and visual reports

100% tailor-made Excel training, Qualiopi certified (in-person or remote)

Validated expertise: TOSA Excel certification (score 1000/1000)

Pedagogy & complete support: audit, design, deployment, and handover

Human and clear approach: I simplify, explain, and empower users

Concrete and rapid results: time savings, error reduction, robust tools

Freelancers who want solid files

Growing VSEs who need reliable tools

SMEs up to ~20 employees looking to optimize without immediately investing in an ERP

Companies seeking a responsive and accessible Excel expert

Simple and effective communication

Tailor-made solutions designed to last

Strong Excel experience + varied client cases

Possibility of ad-hoc intervention or global support