Founded in 2005, Barcelona Electronics Solutions (BES) has grown from a small workshop to one of Spain's most trusted names in PCBA manufacturing. Based in the heart of Barcelona's tech district, BES prides itself on being a one-stop shop for electronics brands. Their 15,000 sq.m facility houses cutting-edge SMT PCB assembly lines, automated DIP soldering stations, and a dedicated testing lab equipped for functional, in-circuit, and environmental testing. What sets BES apart is their focus on flexibility—they handle everything from low-volume prototype runs (as small as 10 units) to high-volume production (up to 500,000 units/year) with equal precision.
Serving industries like automotive, consumer electronics, and renewable energy, BES holds ISO 9001, IATF 16949 (for automotive), and RoHS certifications. Their team of 120+ engineers and technicians work closely with clients to optimize designs for manufacturability, reducing costs and improving reliability. A key differentiator is their investment in electronic component management software, which integrates real-time inventory tracking, supplier management, and demand forecasting. This tool ensures clients avoid component shortages and stay ahead of supply chain disruptions, making BES a favorite for time-sensitive projects.
Madrid PCB Tech (MPT) has been a cornerstone of Spain's electronics manufacturing scene since 1998. Located in Madrid's Aerospace Technology Park, MPT specializes in high-reliability PCBA for industries where failure is not an option: aerospace, defense, and medical devices. Their facility is certified to ISO 13485 (medical) and AS9100 (aerospace), with a cleanroom environment for sensitive assemblies requiring Class 8 standards.
MPT's technical prowess shines in their mixed-technology capabilities, seamlessly combining SMT PCB assembly with through-hole (DIP) soldering for complex boards. They're also pioneers in low-pressure molding for PCBA, a process that encases assemblies in durable, waterproof resin—ideal for harsh environments like industrial sensors or outdoor equipment. Clients praise their rigorous PCBA testing protocols, which include X-ray inspection, thermal cycling, and vibration testing to ensure components withstand extreme conditions. With a focus on long-term partnerships, MPT offers dedicated project managers who stay with clients from design review to post-delivery support.
Valencia SMT Works has carved a niche as Spain's go-to supplier for fast-turnaround, high-quality SMT assembly. Established in 2010, this family-owned business has grown by prioritizing agility and customer collaboration. Their 8,000 sq.m facility in Valencia's industrial zone is equipped with state-of-the-art Fuji and Yamaha SMT lines, capable of placing components as small as 01005 (0.4mm x 0.2mm) with 99.98% accuracy—perfect for miniaturized devices like wearables and IoT sensors.
What makes Valencia SMT Works stand out is their "quick response" model: they guarantee prototype assembly in as little as 48 hours and mass production lead times under two weeks for orders up to 100,000 units. They also offer turnkey smt pcb assembly service, handling everything from component sourcing (via partnerships with global distributors) to final testing. Their client base spans startups and SMEs, particularly in the consumer electronics and smart home sectors, who value the company's transparent pricing and hands-on approach. Certified to ISO 9001 and RoHS, Valencia SMT Works balances speed with quality, using automated optical inspection (AOI) and X-ray to catch defects early in the process.
Seville PCB Innovations (SPI) is a leader in sustainable electronics manufacturing, merging PCBA expertise with eco-friendly practices. Founded in 2012, SPI's facility in Seville runs on 100% renewable energy and has achieved carbon-neutral certification—a rarity in the industry. Their focus on green manufacturing doesn't compromise performance, though: they specialize in high-power PCBA for renewable energy systems (solar inverters, battery management systems) and electric vehicle (EV) components.
SPI's services include SMT assembly, wave soldering, and conformal coating, with a strong emphasis on thermal management for high-power applications. They've also developed an in-house electronic component management system that tracks material origins, ensuring all parts meet RoHS and conflict mineral compliance. Clients appreciate their commitment to sustainability, as well as their technical depth—SPI's engineering team regularly collaborates with universities on R&D projects, keeping them at the forefront of emerging technologies like gallium nitride (GaN) and silicon carbide (SiC) assemblies. With ISO 14001 (environmental) and ISO 9001 certifications, SPI is ideal for brands prioritizing both performance and planet.
Bilbao Precision Electronics (BPE) is synonymous with precision—especially for industries demanding micron-level accuracy. Since 1995, this Basque Country-based supplier has focused on high-complexity PCBA for medical devices, aerospace, and industrial automation. Their facility features Class 7 cleanrooms, advanced 3D AOI machines, and specialized equipment for fine-pitch BGA (Ball Grid Array) and QFN (Quad Flat No-Lead) soldering, where even a fraction of a millimeter misalignment can cause failure.
BPE's strength lies in their attention to detail. Every project undergoes a rigorous PCBA testing process, including flying probe testing for bare boards, in-circuit testing (ICT) for assemblies, and functional testing to simulate real-world operation. They also offer low volume smt assembly service, making them a favorite for medical startups developing breakthrough devices—their ISO 13485 certification ensures compliance with strict healthcare regulations. Beyond manufacturing, BPE provides design for manufacturing (DFM) consulting, helping clients optimize layouts for reliability and cost-efficiency. With a team of 80+ engineers, including specialists in thermal and mechanical design, BPE is the partner for projects where "close enough" isn't enough.
Zaragoza Electronics Group (ZEG) is a powerhouse in mass production, catering to global brands needing scalable PCBA solutions. Founded in 1988, ZEG's sprawling 30,000 sq.m campus in Zaragoza is one of Spain's largest electronics manufacturing facilities, with 12 SMT lines, automated storage systems, and a dedicated logistics hub for EU-wide distribution. Their sweet spot? High-volume production runs (1M+ units/year) for consumer electronics, white goods, and automotive infotainment systems.
ZEG's secret to scaling is their vertically integrated model: they handle component sourcing (via long-term partnerships with Tier 1 suppliers), PCB fabrication, assembly, testing, and even final product assembly under one roof. This integration reduces lead times and minimizes supply chain risks—a critical advantage in today's volatile market. They've also invested heavily in Industry 4.0 technologies, using AI-driven production planning and real-time monitoring to maintain 99.9% on-time delivery rates. Certified to IATF 16949 (automotive) and ISO 9001, ZEG balances volume with quality, offering competitive pricing without compromising on compliance. For brands looking to scale quickly in Europe, ZEG is a strategic partner with the infrastructure to grow alongside you.
Malaga PCB Solutions (MPS) is a rising star in Spain's PCBA scene, known for combining affordability with innovation. Founded in 2015, MPS targets SMEs and startups, offering low cost smt processing service without skimping on quality. Their facility in Malaga uses a mix of new and refurbished SMT equipment—strategically chosen to keep overheads low while maintaining precision. This approach allows them to offer prototype assembly starting at €500, making electronics development accessible to early-stage companies.
MPS specializes in quick-turnaround projects, with prototype lead times as short as 3 days and mass production in under 3 weeks. They offer a range of services, including smt patch processing, through-hole soldering, and basic functional testing, with options to add conformal coating for durability. What clients love most is their flexibility: MPS doesn't require minimum order quantities (MOQs), so you can order 10 units or 10,000 without penalty. They also provide transparent pricing with no hidden fees, and their online portal lets clients track orders in real time. While MPS is newer to the scene, their ISO 9001 certification and growing roster of satisfied clients (including several successful crowdfunding campaigns) make them a reliable choice for budget-conscious innovators.
Palma de Mallorca Electronics (PME) is a unique player, focusing on niche markets like marine electronics, IoT, and smart agriculture. Founded in 2001, PME leverages its location in the Balearic Islands to specialize in PCBA for harsh environments—think saltwater, extreme temperatures, and high humidity. Their assemblies power everything from boat navigation systems to weather stations, where reliability in the field is non-negotiable.
PME's expertise lies in protective coatings and encapsulation. They offer conformal coating (acrylic, silicone, and urethane options) and low pressure molding for pcba, which encases assemblies in a rugged, waterproof shell. This makes their products ideal for outdoor or marine use, where corrosion and moisture are constant threats. They also provide custom pcba test system design, creating fixtures to simulate environmental stress—like salt spray testing for marine applications. Beyond manufacturing, PME offers component management capabilities, helping clients source hard-to-find or obsolete parts for legacy systems. Certified to ISO 9001 and RoHS, PME is the go-to for projects that need to thrive where other electronics fail.
Oviedo Tech Assembly (OTA) is a specialist in low-volume, high-mix PCBA, serving industries like industrial automation, robotics, and defense. Founded in 2008, OTA's facility in Oviedo, in Spain's northern Asturias region, is designed for flexibility—they can switch between different product types in hours, making them ideal for clients with diverse product lines or frequent design iterations.
OTA's services include SMT and DIP assembly, with a focus on mixed-technology boards that combine surface-mount and through-hole components. They offer one-stop smt assembly service, handling everything from component sourcing (including obsolete parts) to final testing, and their small-batch capabilities mean clients can order as few as 5 units without inflated costs. What sets OTA apart is their commitment to customer collaboration: they assign a dedicated engineer to each project, who works closely with the client's team to address challenges and optimize designs. Their ISO 9001 and AS9100 certifications (for aerospace) reflect their dedication to quality, even in small runs. For businesses that need agility and personalized support, OTA delivers—no project is too unique or too small.
Alicante Electronics Manufacturing (AEM) rounds out our list as a leader in turnkey solutions, particularly for international clients new to the European market. Founded in 2000, AEM acts as a bridge between global brands and Europe's regulatory landscape, offering end-to-end services from design to delivery. Their team includes multilingual project managers (fluent in English, Spanish, German, and French) who guide clients through CE marking, RoHS compliance, and other regional requirements.
AEM's core services include SMT and DIP assembly, component sourcing (with a focus on ethical suppliers), PCBA testing, and final product assembly—they even handle packaging and shipping to EU distribution centers. Their strength is simplifying complexity: for example, a client in Asia can send a design file, and AEM will manage everything from sourcing EU-compliant components to certifying the final product. They also offer low volume smt assembly service for market testing, followed by seamless scaling to mass production. Certified to ISO 9001 and ISO 14001, AEM is the ideal partner for brands looking to expand into Europe with minimal hassle. Their customer-centric approach has earned them long-term partnerships with clients in automotive, consumer electronics, and industrial sectors.
| Supplier Name | Key Services | Certifications | Lead Time | Target Industries |
|---|---|---|---|---|
| Barcelona Electronics Solutions (BES) | SMT/DIP assembly, component management software, testing | ISO 9001, IATF 16949, RoHS | 2–4 weeks (mass production) | Automotive, consumer electronics, renewable energy |
| Madrid PCB Tech (MPT) | High-reliability PCBA, low-pressure molding, thermal testing | ISO 9001, ISO 13485, AS9100 | 3–5 weeks (aerospace/medical) | Aerospace, defense, medical devices |
| Valencia SMT Works | Fast-turnaround SMT, prototype assembly, turnkey service | ISO 9001, RoHS | 48hrs (prototypes), 2 weeks (mass production) | Consumer electronics, IoT, startups |
| Seville PCB Innovations (SPI) | Sustainable PCBA, high-power assemblies, conformal coating | ISO 9001, ISO 14001, RoHS | 3–4 weeks | Renewable energy, EV components |
| Bilbao Precision Electronics (BPE) | High-precision SMT, medical PCBA, DFM consulting | ISO 9001, ISO 13485 | 4–6 weeks (low volume) | Medical devices, industrial automation |
| Zaragoza Electronics Group (ZEG) | Mass production, vertical integration, final assembly | IATF 16949, ISO 9001 | 2–3 weeks (high volume) | Consumer electronics, automotive, white goods |
| Malaga PCB Solutions (MPS) | Low-cost prototyping, small-batch assembly | ISO 9001, RoHS | 3 days (prototypes), 3 weeks (small batches) | Startups, SMEs, crowdfunding projects |
| Palma de Mallorca Electronics (PME) | Harsh-environment PCBA, conformal coating, low-pressure molding | ISO 9001, RoHS | 3–5 weeks | Marine, IoT, smart agriculture |
| Oviedo Tech Assembly (OTA) | Low-volume/high-mix assembly, DFM consulting | ISO 9001, AS9100 | 1–3 weeks (low volume) | Industrial automation, robotics, defense |
| Alicante Electronics Manufacturing (AEM) | Turnkey solutions, EU compliance, final product assembly | ISO 9001, ISO 14001 | 4–6 weeks (end-to-end) | International brands expanding to Europe |
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