01 / 07Cluses
The watchmaking school
Jean-Louis Marcoux enters the École nationale d’horlogerie in Cluses to train as a watch repairer. In his final year he studies under Monsieur Pouyet, then regarded as one of the finest watchmakers in France.
Our story
From watches to gauges. Fifty years of precision.
02 / 07Villefranche-sur-Saône
From fine watches to tower clocks
Diploma in hand, he joins the workshop of master watchmaker Alain Geoffray, working on fine watches, clocks and even monumental clockwork, and learning the basics of jewellery and goldsmithing along the way.
03 / 07Lyon
The arrival of quartz
He takes charge of after-sales service for the two Kanta boutiques in Lyon, just as quartz and electronic watchmaking arrive.
04 / 07Flipélec
Meeting the gauge
At Flipélec, specialists in renovating truck tachographs, he sets up a renovation line for Gitac recorders. Made workshop manager, he also takes charge of car instruments.
05 / 07Renotech
The workshop takes its name
At the end of 1997 he leaves Flipélec to found Renotech, dedicated to renovating the instruments of classic and collector vehicles.
06 / 07Renotech
The hand-over
At the end of 2025, Jean-Louis Marcoux hands over to his eldest son, Maxime, who takes the reins of the company and carries the craft on.
07 / 07Renotech
The next generation
An electrical technician by trade, Maxime has followed his father since childhood, at the bench and out to clients, and was trained by him in restoration and repair. Seasoned in heavy trucks, farm machinery, cars and mechanics, this technology enthusiast now looks after the clients, with the founder as his mentor.