Molíns de Rey’s economy is diversified, with key industries including manufacturing, agriculture, and services. Historically, the town was known for its flour mills and textile production, but today it has developed into a hub for small- and medium-sized enterprises. The town benefits from its proximity to Barcelona, making it an attractive location for businesses looking to operate near a major urban center while enjoying lower operational costs.
Agriculture remains an important part of the local economy, with vineyards, olive groves, and vegetable farming still prevalent in the surrounding countryside. Molíns de Rey also has a growing tourism industry, bolstered by its cultural events and festivals, as well as its accessibility to both nature and the city.
Local businesses are renowned for producing high-quality crafts, including ceramics, handmade textiles, and artisanal foods like cheeses and olive oil.