year of experience


sqm production headquarters and warehouses


number of person employed

GelliPlast applies the Quality Management System in compliance with the following regulation:
UNI EN ISO 9001. The Company manages its activities according to the UNI EN 9100 scheme 2018 edition.

GellPlast is certified UNI ISO 45001 – Occupational health and safety management system.

Know GelliPlast

The story of GelliPlast starts in 1978, in Castellina Scalo in the Municipality of Monteriggioni (SI). Ferdinando Gelli, the founder, started his own plastic materials moulding activity in the footwear sector, and now after more than forty years on the market, GelliPlast is proposing itself as leader in the components production moulding sector used in industries that operate in the railway field, lighting techniques powering and in the high technology one in general.

The production headquarters, located in Colle Val d’Elsa Sud (SIENA) has an plant of about 5400 sqm, with annexed forecourt that allows facilitating the logistic activities. At the old headquarters in Castellina Scalo there are about 1100 sqm of raw materials and finished products. These warehouses, which are connected to the plant by means of shuttle, with their availability allow maximum flexibility for the Clients’ requests.

Organisational Profile

The high technological content of the process machinery and the integral Computer System make the application of the “4.0 Industry” criteria possible, allowing the Company organisation complete and immediate control of all the phases of the industrial cycle, and in addition the complete traceability of the raw material and products. This management method also allows analysing the process FMEA and…    read more



(Content in only Italian Version)
Operazione/progetto co-finanziato dal POR FESR Toscana 2014-2020

GELLI PLAST SRL ha realizzato un investimento atto a garantire e tutelare la sicurezza dei propri dipendenti acquisendo strumentazione di laboratorio all’avanguardia che limita il lavoro in team e permette al lavoratore di fare misurazioni in autonomia, sostenendo il… (read more)


GelliPlast operates on the national and international market and its presence can be observed in European and Extra-European countrie.

Application Sectors

  • Aerospace
  • Automotive
  • Infrastructures and transportation

  • Lighting technology
  • Water treatments – Food
  • Renewable energy

Profitability analysis of new products

(Content in only Italian Version)
Progetto co-finanziato dal POR FESR Toscana 2014-2020

Con il progetto “Analisi di profittabilità di nuovi prodotti” Gelliplast ha realizzato una analisi per l’identificazione di nuovi segmenti di mercato in cui commercializzare prodotti in materiale plastico batteriostatico. Lo studio affidato all’Università di Siena ha sviluppato… (read more)

Download our presentation.(pdf 1,6 mb)
Brochure 06-2019