London continues to attract businesses seeking dependable and high-quality electronic manufacturing companies that can support everything from early-stage product development to full-scale production. Organisations searching for electronic manufacturing companies in London are typically focused on reliability, compliance with UK standards, and the ability to collaborate closely throughout the manufacturing process.
With growing demand for resilient supply chains and local production, London-based electronics manufacturers play an increasingly important role across multiple industries.
This guide explores how these companies operate, what differentiates them, and which manufacturers stand out based on service capability and customer reputation.
Why Do Businesses Prefer Electronic Manufacturing Companies in London?

Businesses prefer electronic manufacturing companies in London because local production provides greater control, faster response times, and clearer accountability.
Working with a London-based manufacturer allows companies to communicate directly with production teams, address issues quickly, and adapt designs without lengthy delays. This level of collaboration is particularly valuable for complex or regulated products where precision and traceability are essential.
In addition, electronic manufacturing companies in London operate under strict UK quality and safety regulations, giving businesses confidence that products will meet required standards. The combination of technical expertise, regulatory compliance, and proximity makes London an attractive manufacturing hub for UK-based organisations.
What Services Do Leading Electronic Manufacturing Companies in London Offer?

Leading electronic manufacturing companies in London typically provide comprehensive services that cover the full product lifecycle. These services often begin with prototyping and design support, allowing businesses to validate concepts before moving into production. As projects scale, manufacturers offer PCB assembly, surface mount technology, testing, and final product assembly to ensure consistency and quality.
Many companies also support component sourcing and supply chain management, helping businesses navigate availability challenges and maintain production schedules. This integrated service model reduces complexity and allows clients to work with a single trusted manufacturing partner.
How Do Electronic Manufacturing Companies in London Compare on Quality, Cost, and Lead Time?
When comparing electronic manufacturing companies in London with overseas alternatives, quality and reliability are often the most significant differentiators. While overseas manufacturing may appear cheaper initially, longer lead times, communication barriers, and variable quality can introduce hidden costs.
The table below highlights key differences that businesses commonly consider:
| Aspect | London-Based Manufacturers | Overseas Manufacturers |
| Quality standards | Consistently high under UK regulations | Varies by region |
| Lead times | Shorter and more predictable | Longer due to shipping |
| Communication | Direct and time-zone aligned | Often delayed |
| Compliance | UK and EU aligned | Additional verification needed |
| Risk management | Lower operational risk | Higher uncertainty |
For many organisations, electronic manufacturing companies in London provide better long-term value despite higher upfront costs.
What Should Businesses Look for When Choosing an Electronic Manufacturing Company in London?

Choosing the right manufacturing partner requires careful consideration of technical capability, communication style, and scalability. Businesses should assess whether a manufacturer has experience with similar products and can support future growth without compromising quality. Transparency around timelines, testing procedures, and quality assurance processes is also critical.
Electronic manufacturing companies in London that prioritise clear communication and proactive problem-solving tend to deliver stronger long-term partnerships. This approach helps businesses reduce production risks and maintain consistent product standards.
Top 10 Electronic Manufacturing Companies in London
1. London Manufacturing Ltd – Contract Electronics Manufacturing Specialists

London Manufacturing Ltd is a well-established provider of contract electronics manufacturing services serving businesses across London. The company specialises in PCB assembly and box build solutions for commercial and industrial applications. It supports customers from early-stage production through to full manufacturing runs.
London Manufacturing Ltd focuses on delivering reliable quality and flexible manufacturing processes. Its team works closely with clients to ensure designs are optimised for production. The company serves a wide range of industries requiring dependable electronics manufacturing. Businesses value its tailored approach and hands-on project support.
Manufacturing Expertise
Contract electronics manufacturing with PCB assembly and box build services.
Recommended Usage
Best suited for companies needing bespoke electronics manufacturing solutions.
Pricing: Bespoke pricing available on request
- Website: https://londonmanufacturing.co.uk
- Phone: 0208 669 2400
- Address: Studio B, Unit 2, Sutton Business Park, Restmor Way Wallington Surrey SM6 7AH
2. Just Electronics Ltd – Small-to-Medium Volume PCB Assembly Provider

Just Electronics Ltd focuses on delivering reliable electronics manufacturing services for small-to-medium production volumes. The company specialises in PCB assembly, electronic repairs, and complete box-build solutions. It supports businesses that require flexibility and attention to detail.
Just Electronics Ltd works closely with clients to meet specific production requirements. Its services are suitable for both new product development and ongoing manufacturing. The company serves customers across Greater London and surrounding areas. Clients appreciate its responsive service and technical reliability.
Service Strength
PCB assembly and box-build services for low-to-medium volume production.
Ideal Customers
Businesses requiring flexible manufacturing and repair services.
- Website: https://justelex.com
- Phone: 020 8241 6959
- Address: SBC House, Restmor Way, Wallington, Surrey, SM6 7AH, UK
- Email: sales@justelectronicsltd.com
3. Artcon Electronics Ltd – Rapid Electronics Manufacturing Experts

Artcon Electronics Ltd is known for its rapid turnaround electronics manufacturing services. The company specialises in prototyping and fast PCB assembly, including 24-hour manufacturing options.
It supports businesses that need quick development and testing cycles. Artcon Electronics Ltd works with both startups and established organisations. Its processes are designed for speed without compromising quality. The company provides manufacturing services to clients across London. Customers value its responsiveness and fast project delivery.
Production Advantage
Rapid prototyping and fast-turn PCB assembly services.
Best Application
Ideal for businesses requiring urgent or time-sensitive manufacturing.
- Website: https://artconelectronics.co.uk
- Phone: 07882 778322
- Address: 3 Dee Close, Rushden, NN10 0GW, UK
- Email: sales@artconelectronics.co.uk
4. Smiths Interconnect – High-Reliability Electronics Manufacturer

Smiths Interconnect is a global manufacturer of high-reliability electronic components and subsystems headquartered in London. The company serves mission-critical industries including aerospace, defence, and medical technology.
It delivers advanced electronics manufacturing solutions at an industrial scale. Smiths Interconnect focuses on performance, durability, and compliance. Its operations support complex and safety-critical applications. The company works with large enterprises and global organisations. Clients rely on its engineering excellence and global manufacturing capability.
Core Capability
High-reliability electronic components and subsystem manufacturing.
Target Organisations
Large enterprises with mission-critical electronics requirements.
- Website: https://www.smithsinterconnect.com
- Phone: +44 (0)20 7004 1600
- Address: 4th Floor, 11–12 St. James’s Square, London, SW1Y 4LB
5. SEEQC UK Ltd – Quantum Computing Electronics Innovators

SEEQC UK Ltd is a specialised electronics manufacturer focused on quantum computing technology. The company develops advanced electronic components for next-generation quantum systems. It operates at the forefront of research and development in electronics manufacturing. SEEQC UK Ltd collaborates with technology partners and research institutions.
Its work supports highly specialised and emerging technology markets. The company is based in London and serves global clients. Businesses engage with SEEQC through strategic technology partnerships.
Technology Focus
Quantum computing electronic component manufacturing.
Best Engagement Model
Research-driven partnerships and advanced hardware development.
- Website: https://seeqc.com
- Address: Cargo Works, 1-2 Hatfields, London SE1 9PG
- Email: info@seeqc.com
6. Siemens UK – Large-Scale Electronics and Engineering Projects

Siemens UK manages major electrical and electronic engineering projects from its London offices. While manufacturing is decentralised, the company plays a key role in electronics system design and implementation. Siemens supports infrastructure, automation, and digital industries across the UK.
Its electronics expertise is applied to large-scale and complex projects. The company works with public and private sector organisations. Siemens UK focuses on innovation and long-term engineering solutions. Clients benefit from its global resources and technical leadership.
Operational Scope
Large-scale electronics and electrical engineering solutions.
Client Profile
Enterprise and infrastructure-level projects.
- Website: https://www.siemens.com
- Phone: +44 (0)1276 691000
- Address: Faraday House, Sir William Siemens Square, Frimley, GU16 8QD, UK
- Email: contact@siemens.com
7. ABB Ltd – Electrification and Automation Electronics Leader

ABB Ltd is a global leader in electrification and automation technologies with a strong presence in London. The company delivers advanced electronic systems for industrial and commercial use. ABB supports complex engineering and automation projects. Its electronics solutions are used across energy, manufacturing, and infrastructure sectors.
The company focuses on efficiency, safety, and sustainability. ABB works with large organisations and industrial clients. Customers rely on its proven engineering expertise.
Engineering Specialism
Electrification and automation electronic systems.
Best Fit
Industrial and infrastructure-focused organisations.
- Website: https://www.abb.com
- Phone: +44 (0)20 7305 3500
- Address: 1 Knightsbridge Green, London, SW1X 7QA
8. Jubilee Electronics Ltd – Full Turnkey Electronics Engineering Provider

Jubilee Electronics Ltd offers complete turnkey electronics engineering services. The company supports PCB design, assembly, and product testing. It works with clients from concept through to production.
Jubilee Electronics Ltd focuses on delivering reliable and compliant manufacturing solutions. Its services support a wide range of industries. The company provides UK-wide coverage including London. Clients value its end-to-end engineering capability.
Service Coverage
Turnkey electronics engineering from design to testing.
Recommended For
Businesses seeking a single-source electronics partner.
- Website: https://www.jubilee-electronics.co.uk
- Phone: +44 (0) 1909 591 612
- Address: Jubilee Farm, Retford Road, Worksop, S81 8EU, United Kingdom
- Email: sales@jubilee-electronics.co.uk
9. EC Electronics – End-to-End EMS Provider

EC Electronics is a major electronics manufacturing services provider serving the London region. The company offers end-to-end solutions from design support to production.
It operates modern manufacturing facilities near London. EC Electronics supports a broad range of electronic products. The company focuses on quality, scalability, and efficiency. It works with customers across multiple industries. Clients benefit from its structured manufacturing approach.
Manufacturing Capability
Comprehensive EMS solutions with scalable production.
Ideal Use Case
Businesses requiring full lifecycle electronics manufacturing.
- Website: https://www.ecelectronics.com
- Phone: +44 (0)1256 461894
- Address: Unit 4, Hatch Industrial Park, Greywell Road, Basingstoke, RG24 7NG
10. TechPoint Group – Advanced Electronics Manufacturing Services

TechPoint Group provides comprehensive electronics manufacturing services across Greater London. The company specialises in PCB assembly, inspection, and RF engineering.
It utilises advanced technologies such as 3D AOI inspection. TechPoint Group supports both prototyping and production projects. Its services focus on quality and cost optimisation. The company works with a variety of technical industries. Clients value its engineering-driven approach.
Technical Capability
Advanced inspection and RF electronics manufacturing.
Best Suited For
Businesses needing high-precision and optimised manufacturing.
- Website: https://www.techpoint.co.uk
- Phone: +44 (0)1628 510000
- Address: Wessex House, Marlow Road, Bourne End, SL8 5SP
How Much Does It Cost to Work with Electronic Manufacturing Companies in London?
| Cost Factor | Typical Pricing Range (UK) | What Influences the Cost | Notes for London-Based Manufacturing |
|---|---|---|---|
| PCB Assembly (Low Volume) | £80 – £250 per board | Board complexity, layer count, components | Ideal for prototyping and startups |
| PCB Assembly (Medium Volume) | £20 – £80 per board | Batch size, SMT vs through-hole | Costs reduce significantly with volume |
| Box Build Assembly | £200 – £1,500 per unit | Wiring, enclosure, testing requirements | Common for industrial and medical products |
| Prototyping & NPI | £500 – £5,000 per project | Design validation, rapid turnaround | Faster in London compared to overseas |
| Testing & Inspection | £50 – £300 per unit | Functional testing, AOI, compliance | Often bundled in UK manufacturing |
| Component Sourcing | 5% – 15% handling fee | Availability, lead times, suppliers | Local sourcing reduces supply chain risk |
| Engineering Support | £60 – £120 per hour | Design changes, DFM, troubleshooting | High value for complex electronics |
| Lead Time Expediting | +10% – 30% surcharge | Urgency and production schedule | Common for rapid UK manufacturing |
Important Cost Insights
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Electronic manufacturing companies in London typically charge higher upfront costs than overseas providers, but deliver better quality control, faster turnaround, and lower risk.
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UK-based manufacturing helps reduce hidden costs related to rework, delays, and communication issues.
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Most London manufacturers offer bespoke pricing, meaning final costs depend heavily on project scope and complexity.
Which Industries Benefit Most from Electronic Manufacturing Companies in London?

Industries that require precision, compliance, and reliability benefit most from London-based electronics manufacturing. These include healthcare and medical devices, automotive and electric vehicle technologies, aerospace and defence, industrial automation, and advanced consumer electronics.
Electronic manufacturing companies in London are well positioned to support these sectors due to their technical expertise and adherence to strict standards.
What Are the Common Challenges Businesses Face and How Do London Manufacturers Solve Them?

Common challenges include supply chain disruptions, inconsistent quality, and limited visibility into production. London-based manufacturers address these issues by maintaining closer supplier relationships, implementing rigorous testing, and providing regular communication throughout the manufacturing process.
This proactive approach helps businesses reduce risk and maintain confidence in their production outcomes.
How Can Businesses Choose the Right Electronic Manufacturing Company in London?

Businesses can choose the right partner by clearly defining their requirements, shortlisting manufacturers with relevant experience, and engaging in open discussions about expectations. Visiting facilities and reviewing sample work can further support informed decision-making.
A strong partnership with an electronic manufacturing company in London is built on trust, capability, and long-term alignment.
What Is the Future of Electronic Manufacturing in London?

The future of electronic manufacturing in London is shaped by automation, digital manufacturing, and sustainability initiatives. As demand for local and resilient supply chains grows, London-based manufacturers are expected to continue investing in advanced technologies and skills development.
These trends position electronic manufacturing companies in London as key contributors to innovation and economic growth in the UK.
Conclusion
Working with electronic manufacturing companies in London offers businesses reliability, strong quality control, and faster collaboration compared to overseas options. While costs may be higher initially, the long-term value comes from reduced risk, better communication, and consistent production standards.
For organisations prioritising quality, compliance, and dependable partnerships, London-based electronic manufacturers remain a practical and strategic choice.
FAQs About Electronic Manufacturing Companies in London
Are electronic manufacturing companies in London suitable for long-term partnerships?
Yes, many businesses choose London manufacturers for ongoing collaboration due to reliability and communication advantages.
Do London manufacturers support both prototypes and production?
Most offer services ranging from early prototyping to full-scale production.
How important are certifications when choosing a manufacturer?
Certifications are essential, particularly for regulated industries, as they demonstrate compliance and quality assurance.
Can electronic manufacturing companies in London handle complex assemblies?
Yes, many specialise in complex and high-reliability electronic assemblies.
Is local manufacturing more secure for intellectual property?
UK-based manufacturing provides stronger legal protection for intellectual property.
Do London manufacturers help with testing and inspection?
Testing and quality assurance are core services offered by most reputable providers.
Is working with a London manufacturer faster than overseas production?
In most cases, lead times are shorter and more predictable.