Senior and Dickson

Kirk Sandall Industrial Estate, Sandall Stones Road, Doncaster, DN3 1QR

About

Senior & Dickson Limited, a UK contract manufacturer established in 1981 and based in Doncaster, Yorkshire, specialises in plastic injection moulding and in-house toolmaking, offering a full service from design to finished product. Their advanced toolmaking capabilities include Spark Erosion, Wire Erosion, CNC Milling, and CNC Turning, complemented by a 19-machine injection moulding workshop (40-500 tonnes) with automated systems, capable of processing diverse materials like PP, PE, PVC, PEEK, GFPA, TPE, and ABS, and offering post-moulding assembly. Serving sectors including Industrial & Technical, Consumer Products, Medical, Aerospace & Defence, and Automotive, Senior & Dickson holds ISO 9001 accreditation and differentiates itself through a strong commitment to client data ownership and NDAs, alongside a significant investment in a solar PV system that meets over 50% of their factory's power needs.

More detail ↓

Senior & Dickson Limited is a well-established UK contract manufacturer, founded in 1981 and based in Doncaster, Yorkshire. They specialise in plastic injection moulding and toolmaking, offering a comprehensive service from mould design and in-house toolmaking to the final moulded product. Their extensive experience and dedicated facilities enable them to handle a wide range of manufacturing needs.

The company boasts advanced capabilities including Spark Erosion, Wire Erosion, CNC Milling, and CNC Turning for toolmaking. Their injection moulding workshop is equipped with 19 machines ranging from 40 to 500 tonnes, supported by automated material handling and robotic systems. Senior & Dickson processes a diverse array of materials, including PP, PE, PVC, PEEK, GFPA, TPE, and ABS, and offers post-moulding processes such as drilling, tapping, and assembly. They serve a broad spectrum of sectors, including Industrial & Technical, Consumer Products, Medical, Research & Development, Aerospace & Defence, and Automotive.

Senior & Dickson holds ISO 9001 accreditation, underscoring their commitment to quality management. They differentiate themselves through a strong emphasis on client data ownership and NDAs, and have demonstrated their expertise through projects like the PIXEMUP cricket ball collector and a lockable hand sanitiser bracket for hospital beds. Furthermore, their significant investment in a large solar PV system highlights a commitment to sustainability, with solar energy meeting over 50% of their factory's power needs.

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Press fleet4

Moulding processes
Smallest press (t)
Largest press (t)
Press count

Moulding capability2

Joining methods
Product specialisms

Materials1

Material modifiers

Production3

Batch tiers
Handles prototypes
Handles volume production

Prototyping & NPD1

DFM support

Tooling2

Tool services
Tooling origin

Assembly & finishing2

Assembly offered
Assembly capabilities

Certifications & accreditations2

ISO 9001
Trade bodies

Identity & contact1

Industries served
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Press fleet: Press brands · Large-format (≥1,000 t) · Premium press fleet · All-electric presses

Moulding capability: Process specialisms · Micro moulding capable · Min part weight (g) · Max part weight (g) · Cleanroom class · Certified cleanroom · Scientific moulding · Decoration

Materials: Recycled content offered · Recycled feedstock types · ESD-capable

Prototyping & NPD: Prototyping routes · Prototypes in final material · Prototyping offered · Product-design service · Mould-flow simulation

Tooling: In-house toolroom · Tool trials offered

Production: Runs 24/7 · Bridge production

Machining: Contract machining

Quality & inspection: FAI methodology · CMM · Inspection stages · SPC / Cpk · Automated vision QC

Certifications & accreditations: ISO 14001 · ISO 13485 · IATF 16949 · BRCGS Packaging · AS9100 · Cyber Essentials · Food-contact compliance · UL listing