Simpac is a packaging manufacturer based at Spiersbridge Business Park in Thornliebank, East Renfrewshire. The Glasgow business produces paper and flexible packaging for customers in food, retail, hospitality, healthcare, and other commercial sectors.
Its manufacturing work includes paper carrier bags, sacks, pouches, wraps, and other printed packaging formats, with services covering artwork, print, conversion, and supply. The company operates production facilities in Glasgow and Hull and supplies customers across the UK. Its range includes packaging made with recyclable and recycled-content materials where specified by the customer or product.
The Simpac business traces its history in Glasgow to 1903. In 2025 it was acquired by Zeus Packaging Group, while continuing to trade under the Simpac name. The operating company used by the current website is James P Sim & Co. Limited, registered in Scotland and based at the Spiersbridge site. Its Glasgow operation remains the main Scottish manufacturing base after the ownership change.
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Location
Spiersbridge Business Park, Spiersbridge Avenue, Thornliebank, Glasgow, G46 8NL
