1896 – S Dugdale Son & Company was founded and commenced business as cotton spinners.

1925 – Moved to Valley Mill.

1950 – Started to manufacture PVC plastisols.

1959 – Ceased activity in the cotton trade. Started manufacture of flexible PVC compounds.

1962 – Ceased activity in PVC plastisols. Concentrated solely on flexible PVC compounds for the footwear and cable industry.

1988 – Production volume increased to 8000 tonnes per annum.

1998 – Sales increased to 12000 tonnes per annum following the introduction of rigid PVC compounds. Business had diversified into other flexible products such as crystal clear injection moulding and GP extrusion.

2001 – David Dugdale retired. Company subsequently sold to Richard Bickerton and Tom Durkin. Dugdale plc formed.

2004 – Dugdale invest £500,000 and bring first Buss Quantec compounding extruder to the UK.

2006 –  David Outen and Jeff Ryan were recruited to the company, providing additional PVC knowledge.

2007 – Dugdale invest £400,000 in bulk storage silos and Plasmec High Speed Mixer System

2007 – Andy Tombs joins Dugdale PLC to focus on Key Market Sectors in UK and Europe

2008 – Debbie Durkin appointed as Health and Safety Manager for Dugdale PLC

2008 - £200,000 Invested in new high speed mixer to improve service response to market demands

2010 – Dugdale completes Acquisition of Berwin Groups Flexible PVC Business

2011 – Tony Pollitt recruited to Dugdale PLC as Technical Manager