Top 10 PCBA OEM Suppliers in Slovenia

TechNova Electronics has been a cornerstone of Slovenia's electronics manufacturing scene since 2005, and it's easy to see why. Based in Ljubljana, this family-owned business prides itself on balancing technical expertise with a personal touch—something many larger factories lose sight of. What really sets TechNova apart is its one-stop smt assembly service , which covers everything from initial PCB design consultation to final product testing and packaging. Whether you need a prototype for a new IoT device or mass production for consumer electronics, their team of 120+ engineers and technicians has you covered.

TechNova specializes in SMT (Surface Mount Technology) assembly, with a focus on high-precision components like 01005 chips and BGA (Ball Grid Array) packages. Their 8,000 sq.m facility houses state-of-the-art Yamaha YSM20R pick-and-place machines and DEK Horizon printers, ensuring accuracy down to ±50 microns. But they don't stop at SMT—they also offer DIP (Through-Hole) soldering for larger components, conformal coating for environmental protection, and comprehensive testing services, including functional testing and in-circuit testing (ICT).

Certifications matter here: TechNova is ISO 9001:2015 and ISO 13485:2016 certified, making them a go-to for medical device manufacturers. Recent clients rave about their 99.8% first-pass yield rate and responsive customer service—"They treat your project like it's their own," one automotive electronics client noted. With a minimum order quantity (MOQ) as low as 10 units for prototypes and lead times as short as 5 days for urgent orders, TechNova is ideal for both startups and established brands.

If you're in the industrial or automotive sector, Adriatic SMT Works in Maribor should be at the top of your list. Founded in 2010, this supplier has carved a niche in high-reliability electronics , with a client roster that includes major automotive Tier 1 suppliers and industrial automation firms across Europe. What makes Adriatic unique is its focus on durability—their assemblies are designed to withstand extreme temperatures, vibrations, and humidity, making them perfect for under-the-hood automotive components or factory floor machinery.

Adriatic's facility is a marvel of modern manufacturing. Their SMT line features Siemens X-series pick-and-place machines, capable of handling up to 2 million components per day, and Ersa Hotflow 3/20 wave soldering systems for DIP components. They also offer smt assembly with testing service as standard, using custom test fixtures to simulate real-world operating conditions. For example, their environmental chamber can cycle temperatures from -40°C to +125°C, ensuring assemblies perform reliably in harsh environments.

Sustainability is another priority here. Adriatic is fully RoHS compliant and has invested in solar panels to power 30% of its operations, aligning with the EU's green manufacturing goals. Their team also excels in component management, using advanced electronic component management software to track inventory, prevent obsolescence, and source alternatives during supply chain disruptions—a lifesaver during the 2021 chip shortage, when they helped clients redesign boards to use available components without compromising performance. With a focus on long-term partnerships, Adriatic offers dedicated account managers and 24/7 production monitoring for critical projects.

When it comes to medical device manufacturing, precision and compliance are non-negotiable—and MedTech PCB Solutions in Celje delivers on both. Founded in 2012 by a team of ex-Philips engineers, MedTech specializes in PCBA for medical devices, from diagnostic equipment to implantable devices (though they don't handle Class III implants, focusing instead on Class I and II). Their claim to fame? An iso certified smt processing factory with ISO 13485:2016 certification and compliance with FDA 21 CFR Part 820, ensuring every assembly meets the strictest global medical standards.

MedTech's facility is a cleanroom environment (Class 8), with dedicated lines for sensitive components. Their SMT capabilities include ultra-fine pitch soldering (down to 0.4mm pitch) and 3D AOI (Automated Optical Inspection) to catch even the tiniest defects. They also offer low-pressure molding, a process that encapsulates PCBs in a durable, biocompatible resin—ideal for devices used in wet or sterile environments, like hospital monitors.

What clients love most about MedTech is their attention to documentation. Every batch comes with a full traceability report, including component lot numbers, inspection records, and test results—critical for medical device audits. They also offer smt assembly with testing service tailored to medical needs, such as EMC (Electromagnetic Compatibility) testing and thermal cycling. With a MOQ of 50 units and lead times of 10–15 days for production runs, MedTech is a trusted partner for companies like Siemens Healthineers and local Slovenian medical startups alike.

Eltek Maribor is a heavyweight in Slovenia's electronics manufacturing sector, with a focus on industrial and automotive electronics. Founded in 1998 as a spin-off from the University of Maribor's engineering department, Eltek has grown into a global player, exporting 75% of its production to Germany, Austria, and Italy. Their sweet spot? Complex PCBA assemblies for power electronics, such as motor controllers, inverters, and battery management systems (BMS).

Eltek's production lines are optimized for high-power applications, with specialized equipment for soldering large copper PCBs (up to 1.2m x 0.8m) and heat sinks. They're one of the few Slovenian suppliers with experience in IGBT (Insulated Gate Bipolar Transistor) assembly, a critical component in electric vehicle (EV) chargers and renewable energy systems. Their turnkey smt pcb assembly service includes component sourcing, with partnerships with global distributors like Digi-Key and Mouser, ensuring access to hard-to-find parts even during shortages.

Quality control is rigorous here: Eltek uses X-ray inspection for BGA and CSP (Chip Scale Package) components, and their in-house lab conducts reliability testing, including thermal shock and vibration tests. They're ISO 9001, IATF 16949 (automotive), and ISO 45001 (occupational health) certified, reflecting their commitment to both product and employee safety. With a production capacity of 5 million PCBs per year and lead times as short as 3 weeks for mass production, Eltek is a top choice for companies scaling up EV or industrial automation projects.

Located in the coastal city of Koper, NovaPCB is a rising star in Slovenia's electronics manufacturing landscape, known for its agility and focus on low-volume, high-mix production. Founded in 2015 by a group of young engineers, this supplier targets startups and SMEs (Small and Medium Enterprises) that need flexibility—no 10,000-unit minimum orders here. Their MOQ starts at just 5 units for prototypes, making them ideal for entrepreneurs testing new product ideas.

NovaPCB specializes in rapid prototyping and small-batch production, with a focus on IoT devices, wearables, and smart home electronics. Their SMT line features Juki RS-1 pick-and-place machines, which are perfect for quick changeovers between different board designs—critical for high-mix production. They also offer smt assembly with components sourcing , leveraging their network of local and global suppliers to find cost-effective parts without compromising quality.

What really impresses clients is NovaPCB's transparency. They provide real-time production updates via a client portal, so you can track your order from design approval to shipping. Their team is also happy to collaborate on design for manufacturability (DFM) reviews, helping startups optimize their PCBs for assembly and reduce costs. While they don't have the same scale as larger suppliers, their 98% on-time delivery rate and friendly, accessible customer service make them a favorite among first-time electronics entrepreneurs. "They walked us through every step," a smartwatch startup founder shared. "We had no idea about solder mask colors or component tolerances, and they took the time to explain everything."

Alpine Electronics, based in Novo Mesto, is a subsidiary of the Japanese Alpine Group, bringing global expertise to Slovenia's local manufacturing scene. Established in 2010, this supplier focuses on automotive electronics, producing PCBA for infotainment systems, navigation units, and advanced driver-assistance systems (ADAS). With the automotive industry shifting toward electric and autonomous vehicles, Alpine has invested heavily in new technologies, including AI-powered quality inspection and Industry 4.0 manufacturing processes.

Alpine's SMT lines are some of the most advanced in Slovenia, with Fanuc LR Mate robots handling material handling and inspection, reducing human error and increasing throughput. They specialize in high-density PCBs with up to 20 layers, and their cleanroom environment ensures dust-free assembly for sensitive ADAS components. As part of a global group, they have access to Alpine's proprietary electronic component management system , which tracks component lifecycles and predicts obsolescence—critical for automotive clients with long product lifecycles (often 7+ years).

Certifications include IATF 16949, ISO 14001 (environmental), and ISO 26262 (functional safety for automotive), making them compliant with strict EU and global automotive standards. Their clients include major automakers like Volkswagen and Renault, as well as Tier 1 suppliers like Continental. While Alpine primarily serves large automotive clients, they do take on ｓｅｌｅｃｔ small-batch projects for ADAS startups, offering access to their cutting-edge testing facilities, including anechoic chambers for EMC testing.

EuroCircuits is a household name in European PCB manufacturing, with facilities in Belgium, Germany, and Slovenia. The Slovenian branch, located in Ljubljana, focuses on PCBA for industrial and consumer electronics, combining the group's global resources with local service. What makes EuroCircuits Slovenia unique is its integration with EuroCircuits' PCB manufacturing arm—clients can order both PCBs and assemblies from a single supplier, streamlining the production process and reducing lead times.

Their SMT capabilities are extensive, with lines dedicated to both prototyping and mass production. For low-volume orders (1–100 units), they use manual assembly stations with skilled technicians, ensuring flexibility and attention to detail. For high-volume orders (10,000+ units), their automated lines, featuring Fuji NXT III pick-and-place machines, can handle up to 1.2 million components per hour. They also offer a range of value-added services, including conformal coating, potting, and cable harness assembly.

EuroCircuits Slovenia prides itself on sustainability, with 100% of its electricity coming from renewable sources and a zero-waste-to-landfill policy. They're also a leader in electronic component management , using their proprietary software to track component availability and pricing in real time, helping clients optimize costs. With ISO 9001 and RoHS certifications, and a global network of logistics partners, they're a reliable choice for companies needing to ship assemblies across Europe and beyond.

SMTech is a boutique PCBA supplier with a focus on precision and innovation. Founded in 2010, this Maribor-based company has just 50 employees but punches above its weight, serving clients in the aerospace, defense, and industrial sectors. Their specialty? High-reliability assemblies for mission-critical applications, where failure is not an option. Think: flight control systems for drones or sensor modules for oil rigs.

SMTech's facility is small but state-of-the-art, with equipment like Mycronic MY300 pick-and-place machines (known for their accuracy with odd-form components) and Vitronics Soltec wave soldering systems for DIP components. They specialize in assembling PCBs with mixed technologies—SMT, DIP, and even wire bonding for high-frequency applications. Their testing capabilities are equally impressive, including X-ray inspection, thermal cycling, and HALT (Highly Accelerated Life Testing) to ensure assemblies survive extreme conditions.

Certifications are a big part of SMTech's appeal: they're AS9100D (aerospace) and ISO 13485 certified, and they adhere to IPC-A-610 Class 3 standards, the highest level of acceptability for electronic assemblies. Their component management is equally rigorous, with a reserve component management system to stock critical parts for long-term projects, ensuring clients don't face delays due to supply chain issues. While their prices are higher than some competitors, clients say the peace of mind is worth it: "When you're building something that flies, you don't cut corners on assembly," a drone manufacturer noted.

As the name suggests, GreenElectronics is on a mission to make electronics manufacturing more sustainable. Founded in 2018, this Ljubljana-based supplier is a pioneer in eco-friendly PCBA, using lead-free solders, halogen-free PCBs, and recycled packaging materials. They're also carbon-neutral, offsetting emissions through reforestation projects in Slovenia's Julian Alps. But sustainability doesn't mean compromising on quality—GreenElectronics has quickly built a reputation for reliable, high-performance assemblies.

GreenElectronics focuses on consumer electronics, IoT devices, and renewable energy systems (solar inverters, battery management systems). Their SMT line uses energy-efficient equipment, and they've developed a proprietary water-based cleaning process that reduces chemical use by 70% compared to traditional solvent-based methods. They also offer excess electronic component management , helping clients recycle or repurpose unused components instead of letting them end up in landfills—a service that's become increasingly popular with eco-conscious brands.

Clients appreciate their transparent sustainability reporting, which includes a "carbon footprint" for each batch of PCBs. They're ISO 9001 and ISO 14001 certified, and their assemblies are fully RoHS and REACH compliant. With a MOQ of 100 units and lead times of 2–4 weeks, GreenElectronics is a great fit for brands looking to align their manufacturing with their environmental values.

Rounding out our list is PrototypePCB Slovenia, a supplier dedicated exclusively to rapid prototyping and small-batch production. Based in Celje, this company was founded in 2012 to fill a gap in the market: fast, affordable PCB assembly for engineers and startups needing to iterate quickly on designs. Their claim to fame? A 24-hour turnaround for prototype assemblies (for simple 2-layer PCBs), one of the fastest in Slovenia.

PrototypePCB's process is optimized for speed: they use automated quoting software that provides instant pricing based on Gerber files, and their SMT line is staffed around the clock for urgent orders. They specialize in simple to moderately complex PCBs, with component sizes down to 0402 and up to 4-layer boards. While they don't offer advanced services like conformal coating or low-pressure molding, they excel at the basics: accurate soldering, quick turnaround, and clear communication.

Their client base includes universities, research labs, and hardware startups, many of whom return for small-batch production after prototyping. "We went through three design iterations in a month, and PrototypePCB kept up with our changes," a robotics startup founder said. "They even pointed out a design flaw that would have caused short circuits—saved us from a costly mistake." With prices starting at €50 for a 10-unit prototype run and 24/7 customer support, PrototypePCB is the go-to for anyone needing to get from design to physical prototype in record time.