Who we are

Serioplast is the largest Italian supplier and a leader throughout Europe in the production of customised, rigid plastic bottle packaging for the largest multinational brands in the mass consumer goods markets. The company is part of the larger packaging group, Old Mill Holding, that provides a fully integrated rigid plastic packaging service for our clients: plastic bottle production; research, design and innovation; and bulk filling contract services. 


Rigid plastic bottle packaging production. Look for the Serioplast ‘S’ seal of approval on the bottom of your plastic bottles.


Design, construction, supply and maintenance of blow-moulding machines and technology for the operative units within the Group. Seriomac also deals with plastic bottle design and mould development and testing.


Contract manufacturing services comprising bulk formula production, liquid and aerosol filling, and full supply-chain management.

Our values

We aim to continually:

• Provide a reliably fast and flexible service

• Promise market-leading, innovative solutions

• Produce the perfect product at a competitive price


Code of Conduct

Our Strategy

Serioplast is dedicated to consistently providing a fast, flexible and innovative service to our clients – always achieving a high-quality product at a competitive price.

We seek long-term, transparent business partnerships with the objective of strong, sustainable growth alongside our clients.