Production facilities
| Country | Factory | Products |
| Spain | Martorell | Leon 5P, Leon Sportstourer, CUPRA Leon, CUPRA Leon Sportstourer, Ibiza, Arona, Audi A1 |
| Since 1993 | ||
| Production in 2018: 500,005 units Workforce: 14.627 | ||
| Spain | Barcelona | Stamped bodywork parts |
| Since 1953 | ||
| Production in 2016: 56,7 million parts | ||
| Workforce in 2018: 1,185 employees | ||
| Spain | El Prat de Llobregat (SEAT Componentes) | Gearboxes |
| Since 1993 | ||
| Annual production: 600,000 gearboxes | ||
| Workforce: 1,049 employees | ||
| Portugal | Palmela | SEAT Alhambra |
| Since 1996 | ||
| SEAT models production in 2019: 23.021 units | ||
| Slovakia | Bratislava | SEAT Mii |
| Since 2011 | ||
| SEAT models production in 2018: 11.547 units | ||
| Czech Republic | Kvasiny | SEAT Ateca |
| Since 2016 | ||
| SEAT models production in 2019: 98,370 units | ||
| Germany | Wolfsburg | SEAT Tarraco |
| SEAT models production in 2019: 38.835 |
Research and development
| Country | Factory | Products |
| Spain | Centro Técnico de SEAT, S.A. (Martorell) | Design, development (bodywork, engine, chassis, interiors), prototypes, vehicle testing, projects, product management |
| Since 1975 | ||
| Workforce: 919 employees |