Note Windsor Ltd

Group

Note Windsor Ltd, part of the Note plc electronics manufacturing group and formerly Speedboard Assembly Services, provides turn-key PCB assembly and box build from its 25,000 sq ft Windsor, Berkshire facility. The company is certified to ISO 9001, ISO 14001, ISO 45001, IPC A-610 and IPC/WHMA-A-620, and RoHS compliant, handling mixed surface-mount and through-hole assembly of rigid, double-sided boards, including BGA and QFN packages, with reflow, selective and lead-free soldering. Its test capability is supported by design-for-test input, product design and DFM, and cable and wire harness assembly. With around 105 staff, Note Windsor serves aerospace and defence, medical, telecoms, industrial and energy customers on prototype through high-volume orders, backed by group-wide repair, return and obsolescence management support.

Berkshire Box Build Assembly Cable & Wire Assembly Design & Engineering England

PCB Assembly Repair & Rework Systems Integration

Certifications

ISO 9001 ISO 13485 ISO 14001 ISO 45001 IPC A-610 IPC/WHMA-A-620 RoHS

Services

Assembly Box Build Design Turn-key PCB Assembly PCB Testing Cable Assembly Repair/Rework Obsolescence Management

Board Type

Rigid

Assembly Type

Surface Mount Thru Hole Mixed

Soldering Type

Lead-Free (RoHS) Selective Soldering Reflow Soldering Leaded Solder

Testing

Automated Optical Inspection (AOI) X-Ray Inspection In-Circuit Testing (ICT) Functional Testing DFT (Design for Testability) Flying Probe Testing Hi-Pot Testing Visual Inspection

PCB Sides

Double Sided

Package Type

BGA QFN

Order Type / Volume

Low Volume Medium Volume Prototype High Volume

Box Build Capabilities

System/Product Integration

Cable & Harness Assembly Capabilities

Wire Harness Assembly Continuity/Electrical Test

Industries Supported

Aerospace and Defense Medical Telecom Industrial Energy Lighting

Component Sourcing / Procurement Model

Turnkey (Full Supply) Consignment

Headcount 51-200

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1a Alma Road, SL4 3HU

Last Updated

2026-10-02

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Company Registration Number 04849220

Companies House URL

Verification History

2 Oct 2026 — Scheduled verification (Lite). No changes.

23 Sep 2026 — Scheduled verification (Lite). Added Visual Inspection.

21 Sep 2026 — Scheduled verification (Regular). Added ISO 13485 certification.

12 Sep 2026 — Scheduled verification (Max). Added IPC A-610, IPC/WHMA-A-620 and RoHS certifications, cable and wire harness assembly, box-build integration, hi-pot testing, and repair/obsolescence-management services. Updated soldering types to reflow and selective.

12 Sep 2026 — Scheduled verification (Lite). No changes.

5 Sep 2026 — Listing added to EMS Directory, pending verification checks.

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