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Hertfordshire

UK electronics manufacturers and PCB assemblers based in Hertfordshire.

Screenbond Limited

Screenbond Limited is a Baldock, Hertfordshire-based PCB manufacturer established in 1983, fabricating single and double-sided plated-through-hole boards in-house, with 4 and 6-layer boards available and prototype turnarounds from 8 hours. The company holds ISO 9001 certification, employs around 10 people, and specialises in prototype, small-batch and larger-volume production runs.

Daleba

Daleba, trading from Hertford since 1963, manufactures printed circuit boards from single-sided through to multilayer constructions of up to 58 layers, including metal-clad IMS, heavy copper, flex and flex-rigid boards, across UK and Asia-based manufacturing facilities. The company holds ISO 9001, JOSCAR and IATF 16949 certification, and serves the automotive and industrial sectors. It also provides component kitting, stock management and engineering support alongside board manufacture.

Industrial Electronic Repairs Ltd

Industrial Electronic Repairs (IER UK) repairs drives, servos, HMIs, power supplies, PLCs and encoders at component level from Letchworth, Hertfordshire, with additional sites in Wakefield and Cardiff. Established in 2003, the company serves industries including automotive, aerospace, marine, energy and general commercial and industrial customers across England and Wales, and its multi-site footprint gives it wider geographic reach than most independent repair specialists.

Martin-Woolman Ltd

Martin-Woolman is an electronic subcontract manufacturer in Welwyn Garden City, Hertfordshire, trading since 1971. It provides mixed surface-mount and through-hole PCB assembly, including fine-pitch and BGA work up to 256 pins, for prototype, low and medium-volume production, backed by functional testing and IPC-A-610 trained inspection staff. Turnkey component procurement, electro-mechanical assembly and box build complete the offer. The company is ISO 9001:2015 certified and serves customers in defence, transportation, printing technology and scientific instrumentation.

ADAPT ems Ltd

ADAPT ems Ltd is a contract electronics manufacturer serving the medical sector from prototype through to high-volume production, certified to ISO 9001, ISO 13485, ATEX and UL. Formerly Weedon Electronics, the company runs six SMT lines with reflow soldering, automated optical and solder paste inspection, plus dedicated cable assembly and test departments across two sites in Hitchin, Hertfordshire and St Neots, Cambridgeshire, including in-circuit, flying probe, boundary scan, environmental, burn-in and functional testing. Its services span design and prototyping, turn-key surface-mount PCB assembly down to DSBGA and WLCSP packages, electromechanical box build and system integration with potting and turnkey component sourcing, cable assembly, testing and fulfilment. ADAPT ems employs between 51 and 200 people and has traded since 1985.

TestWorks

TestWorks, established in 2001 and part of RailSense Solutions since 2023, provides electronics design, manufacture and test services from Letchworth Garden City, Hertfordshire, certified to ISO 9001. The company assembles surface-mount and through-hole rigid PCBs across low, medium and high complexity work, verified with automated optical inspection, X-ray, functional, flying probe and boundary scan testing on prototype through low- and medium-volume orders. Box build spans electro-mechanical and enclosure assembly, panel and cabinet build through to system integration and final product test, with wire harness and discrete cable assembly with crimping, conformal coating, and PCB design also available for aerospace and defence, automotive, energy, industrial, marine, medical, railway and telecoms customers.

South Woodford Electronics

South Woodford Electronics supplies cable and wire assembly alongside PCB and electronic assembly from Bishop's Stortford, Hertfordshire, working to ISO 9001:2015 with RoHS-compliant lead-free soldering. The company builds surface-mount and through-hole rigid PCBs for low- and medium-volume orders, with turn-key assembly, box build, PCB design and conformal coating also available. Its cable work spans wire harnesses and discrete cable assemblies for automotive, industrial, medical and telecoms customers, and the business has traded since 1975.

Printed Systems Limited

Printed Systems Limited (PSL) specialises in PCB and LED assembly from a 30,000 sq ft facility in Stevenage, running surface-mount, through-hole and mixed lines with hand and wave soldering, automated optical inspection and BGA and micro-BGA placement and rework. The company works on rigid, flexible, rigid-flex and metal-core boards and offers PCB design and engineering support, kitted, consigned or turnkey component supply, unit assembly with wiring and mechanical integration, and repair and reconfiguration services, providing a single route from prototype through to production. Established in 1999 and certified to ISO 9001:2015, RoHS and IPC-A-610 workmanship standards, PSL serves aerospace and defence, lighting, medical, telecom, energy, industrial, computer technology, commercial, automotive, building technology and marine customers.

NITRONICS LTD.

NITRONICS LTD. provides end-to-end electronics manufacturing from Bishop's Stortford, Hertfordshire, covering component sourcing and kitting, prototyping and NPI, SMT and through-hole assembly, conformal coating and box build through to inspection and test. The company works across rigid, flexible, HDI, rigid-flex and metal-based boards with hand, selective and lead-free soldering, backed by AOI, functional, boundary scan, burn-in, hi-pot and visual testing with full component traceability. Certified to ISO 9001:2015, it offers wire harness and cable assembly with crimping, custom enclosures, electro-mechanical build, system integration and packaging for shipment on a turnkey or kitted basis, serving medical, industrial, automotive, telecom, energy, aerospace and defence, rail and consumer electronics customers from prototype and fast-turn through to high-volume production.

Nemco Limited

Nemco Limited provides PCB assembly, box build, PCB design, supply chain management and conformal coating from 60,000 sq ft of manufacturing space in Stevenage, Hertfordshire, working across digital, analogue, RF and mechanical disciplines. Accredited to AS9100, ISO 9001:2015, ISO 14001:2015, IPC-A-610, IPC/WHMA-A-620, IPC-A-600 and JOSCAR registered, and RoHS compliant, the company runs mixed surface-mount, through-hole and press-fit assembly on rigid boards with hand, wave, reflow and selective soldering, handling BGA and micro-BGA packages. Testing is backed by a full repair and rework service. Established in 1983, Nemco offers turnkey or customer-supplied component sourcing, electro-mechanical assembly, system integration, wire harness and cable assembly with crimping, and worldwide packaging and distribution, from prototype to medium volume, for aerospace and defence, automotive, energy, industrial and medical customers.

HCDUK

HCDUK is an electronics contract manufacturer in Letchworth Garden City, Hertfordshire, established in 1996 and certified to ISO 9001:2015 with RoHS-compliant processes. The company runs mixed surface-mount and through-hole assembly on rigid, flexible, rigid-flex and HDI boards in leaded and lead-free processes, from prototype and fast-turn work through to high-volume production, with AOI, visual, component and functional inspection. PCB design, repair and rework, wire harness and cable assembly, kitted procurement and box build with system integration and final test complete the service range.

Datasound Laboratories Ltd

Datasound Laboratories, trading as DSL, is an ISO 9001:2015 certified contract electronics manufacturer based in Letchworth Garden City, Hertfordshire, established in 1991. The company runs surface-mount and through-hole assembly on rigid boards with hand and reflow soldering, verified by AOI, visual and functional testing, for prototype, low and medium-volume orders. Turnkey component sourcing is offered through to enclosure build, system integration and final product testing, with PCB design and conformal coating also available.

Hertfordshire has 15 companies listed on EMS Directory UK. Services on file include PCB Assembly (12), Design & Engineering (11), Box Build Assembly (10) and Systems Integration (9). Customers span Industrial (9), Aerospace and Defence (8) and Automotive (8). The most common certifications are ISO 9001 (14), RoHS (7) and IPC A-610 (6). Test and inspection methods listed include AOI (10), functional testing (9) and X-ray inspection (5). Of the 15, 11 take prototype orders and 4 list high-volume production. Company founding dates range from 1963 (Daleba) to 2021 (Alan Anderson Manufacturing Ltd). Use the filters on this page to narrow by certification, testing, industries and order volume, then shortlist companies and send one enquiry to all of them. Our certification and capability checklist sets out what to ask before you commit. See also England.

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