Top 10 PCBA Test Suppliers in Serbia

Founded in 2010, Belgrade Test Solutions (BTS) has grown from a small lab to Serbia's leading provider of PCBA testing services, particularly for the medical device and automotive industries. What sets BTS apart is its end-to-end testing ecosystem, which integrates automated functional testing with proprietary pcba functional test software that simplifies data tracking and defect analysis. The company's 12,000 sq. ft. facility in Belgrade's industrial zone houses 15+ test stations, including advanced ICT machines and a dedicated lab for custom test fixture development.

BTS holds ISO 13485 certification, making it a preferred partner for medical device manufacturers requiring strict compliance with EU MDR regulations. Clients praise the team's ability to design custom pcba test systems for unique PCBA layouts, such as high-density boards used in pacemakers and diagnostic equipment. Recent projects include testing PCBA assemblies for a German automotive Tier 1 supplier, where BTS reduced defect rates by 32% through optimized test sequences.

Key Services: Functional testing, ICT, boundary scan testing, custom test fixture design, reliability testing (temperature cycling, vibration).
Certifications: ISO 9001, ISO 13485, RoHS compliant.
Notable Clients: Siemens Healthineers (Serbia), Continental Automotive (Belgrade branch).

Novi Sad Electronics Testing (NSET) has carved a niche in Serbia's PCBA testing market with its focus on high-precision testing for industrial and consumer electronics. Located in Novi Sad's Technology Park, NSET's strength lies in its ability to handle both low-volume prototyping and high-volume mass production testing, making it a versatile partner for startups and established firms alike. The company's pcba testing process is built around modular test stations, allowing quick reconfiguration for different product lines.

A standout feature of NSET is its investment in AI-driven testing software, which uses machine learning to predict potential defects based on historical test data. This proactive approach has helped clients reduce retesting time by an average of 25%. NSET also offers turnkey testing solutions, including component sourcing support and post-testing assembly verification—services that align with the needs of companies seeking a one-stop partner. As an iso certified smt processing factory, NSET ensures seamless integration with local SMT assembly lines, minimizing logistics delays.

Key Services: AI-enhanced functional testing, visual inspection (AOI/AXI), reliability testing, low-volume prototype testing.
Certifications: ISO 9001, RoHS, IPC-A-610 (electronic assembly acceptability).
Notable Clients: Huawei (Serbia R&D Center), Gorenje (home appliances division).

Niš Precision Testing (NPT) is a regional leader in PCBA testing, serving clients across the Balkans and Southern Europe from its modern facility in Niš. Specializing in automotive and industrial electronics, NPT has built a reputation for handling high-complexity PCBs, including those with BGA, QFN, and fine-pitch components. The company's pcba testing process emphasizes thoroughness, with each board undergoing a multi-stage check: initial ICT to verify component placement, functional testing under simulated operating conditions, and environmental stress testing (temperature, humidity) to ensure durability.

What makes NPT unique is its in-house design team, which creates custom pcba test systems for clients with proprietary PCB designs. For example, when a major agricultural machinery manufacturer needed to test PCBs for tractor control units, NPT developed a specialized test fixture that mimicked field conditions, including voltage fluctuations and vibration. This level of customization has made NPT a go-to for industries with unique testing requirements. The company also offers training programs for client teams, ensuring they can interpret test data and optimize future designs.

Key Services: Automotive PCBA testing, industrial control system testing, custom test fixture design, environmental stress testing.
Certifications: ISO 9001, IATF 16949 (automotive quality management), RoHS.
Notable Clients: Robert Bosch (automotive electronics), Yaskawa (industrial robotics).

Kragujevac Test Systems (KTS) is a family-owned business with over 15 years of experience in PCBA testing, known for its personalized service and quick turnaround times. Based in Kragujevac's industrial zone, KTS caters primarily to small and medium-sized enterprises (SMEs) and startups, offering flexible pricing models and low minimum order quantities. Despite its focus on smaller clients, KTS does not compromise on technology—it recently invested in a state-of-the-art boundary scan testing system, enabling efficient testing of PCBs with complex interconnects.

KTS's strength lies in its agility. The company can set up a custom testing workflow within 48 hours for new clients, a critical advantage for startups racing to meet product launch deadlines. Its pcba functional test software is user-friendly, allowing clients to access real-time test results via a cloud dashboard. KTS also offers value-added services like failure analysis reports, which include high-resolution images of defects and recommendations for design tweaks. This hands-on support has earned KTS a 95% client retention rate, a testament to its commitment to long-term partnerships.

Key Services: Boundary scan testing, functional testing, failure analysis, prototype testing for startups.
Certifications: ISO 9001, RoHS.
Notable Clients: Local startups (e.g., EcoTech, a green energy electronics firm), regional distributors of consumer electronics.

Subotica Electronic Testing (SET) is a hidden gem in Serbia's PCBA testing landscape, specializing in medical device and aerospace electronics testing. Located near the Hungarian border, SET serves clients across Central Europe, leveraging its strategic location to offer quick cross-border logistics. The company's facility is certified to ISO 13485 standards, with dedicated cleanrooms for testing PCBs used in implantable devices and diagnostic equipment—environments where even minor contaminants can compromise performance.

SET's pcba testing process is rigorously documented, with each test step traceable to meet regulatory requirements (e.g., FDA, CE marking). The company uses advanced pcba functional test software that integrates with client ERP systems, streamlining compliance reporting. For aerospace clients, SET offers vibration and thermal shock testing, simulating the extreme conditions PCBs endure during flight. A recent project involved testing PCBA assemblies for a European satellite manufacturer, where SET's ability to replicate zero-gravity electrical behavior was critical to mission success.

Key Services: Medical device PCBA testing, aerospace electronics testing, cleanroom testing, regulatory compliance support.
Certifications: ISO 13485, ISO 9100 (aerospace quality), RoHS.
Notable Clients: Medtronic (Europe), Airbus (component supplier).

Zrenjanin Automated Testing (ZAT) is a pioneer in automated PCBA testing, with a focus on high-volume production lines. The company's facility in Zrenjanin features a fully automated testing line, capable of processing up to 5,000 PCBs per day—a capacity that makes it a top choice for consumer electronics manufacturers. ZAT's testing process is built around speed without sacrificing accuracy: its in-line AOI (automated optical inspection) machines can detect defects as small as 5μm, ensuring no faulty boards reach the next production stage.

ZAT's partnership with leading software providers has resulted in a proprietary test management system that syncs with client production schedules, minimizing downtime. The system automatically prioritizes urgent orders and adjusts testing parameters based on batch size, a feature that has reduced lead times by 30% for clients like a major Serbian white goods manufacturer. As an iso certified smt processing factory, ZAT works seamlessly with SMT assembly lines, offering "test-as-you-build" services that catch defects early, reducing rework costs.

Key Services: High-volume automated testing, AOI/AXI inspection, in-line testing integration with SMT lines.
Certifications: ISO 9001, RoHS, IPC-A-620 (cable and wire harness assemblies).
Notable Clients: Samsung (regional supply chain), Philips (lighting division).

Kraljevo Tech Test (KTT) is a full-service PCBA test supplier with a focus on turnkey solutions. From initial test plan design to final compliance reporting, KTT manages the entire testing lifecycle, allowing clients to focus on core manufacturing. The company's team of engineers includes experts in both hardware and software, enabling them to develop custom pcba test systems that integrate seamlessly with client workflows. For example, when a smart home device manufacturer needed to test PCBs with wireless connectivity (Wi-Fi, Bluetooth), KTT built a test chamber that simulated real-world signal interference, ensuring reliable performance.

KTT's pcba testing process is data-driven, with each test generating detailed reports on component performance, voltage levels, and signal integrity. Clients can access these reports via a secure portal, which includes trend analysis tools to identify recurring issues. The company also offers on-site testing services for clients with large or fragile PCBs, eliminating the risk of damage during transportation. With a client base spanning automotive, consumer electronics, and renewable energy, KTT prides itself on adaptability and cross-industry expertise.

Key Services: Turnkey testing solutions, custom test system design, on-site testing, wireless connectivity testing.
Certifications: ISO 9001, ISO 14001 (environmental management), RoHS.
Notable Clients: Schneider Electric (Serbia), Sonnen (solar inverter manufacturer).

Vranje Advanced Testing (VAT) is a regional specialist in low-volume, high-mix PCBA testing, serving clients in the defense, aerospace, and industrial sectors. With a focus on precision, VAT's facility is equipped with advanced tools like X-ray inspection systems for BGA solder joint verification and flying probe testers for quickly validating prototype PCBs. The company's small but highly skilled team—many with backgrounds in military electronics—brings a meticulous approach to every project, ensuring even the most complex boards meet strict quality standards.

VAT's unique selling point is its expertise in legacy PCB testing. Many defense and industrial clients rely on PCBs with obsolete components, and VAT has the capability to reverse-engineer test procedures for these hard-to-ｒｅｐｌａｃｅ boards. The company also offers component verification services, checking for counterfeit parts—a critical service in industries where component authenticity is non-negotiable. While VAT primarily serves low-volume clients, its flexibility allows it to scale up for short-run production, making it a versatile partner for niche markets.

Key Services: Legacy PCB testing, X-ray inspection, counterfeit component detection, defense electronics testing.
Certifications: ISO 9001, AS9100 (aerospace), ITAR compliant.
Notable Clients: Serbian Ministry of Defense contractors, regional industrial machinery manufacturers.

Sombor Test Innovations (STI) lives up to its name by prioritizing innovation in PCBA testing. The company invests 15% of its annual revenue in R&D, resulting in proprietary testing technologies that give clients a competitive edge. One such innovation is a wireless test module that eliminates the need for physical probes on delicate PCBs, reducing the risk of damage during testing. This technology has been particularly popular with clients manufacturing flexible PCBs for wearables and medical devices.

STI's pcba testing process is designed for sustainability, with energy-efficient test stations and paperless reporting. The company also offers a "green testing" package, which includes recommendations for reducing component waste based on test data. For startups and SMEs, STI provides affordable testing subscriptions, allowing them to access high-end equipment without upfront investment. With a focus on emerging technologies like IoT and 5G, STI is well-positioned to support the next generation of electronics manufacturers in Serbia and beyond.

Key Services: Wireless testing, flexible PCB testing, IoT device testing, green testing consulting.
Certifications: ISO 9001, RoHS, ISO 50001 (energy management).
Notable Clients: Local IoT startups, a European 5G infrastructure supplier.

Rounding out our list is Smederevo Quality Testing (SQT), a supplier known for its unwavering commitment to quality and client collaboration. SQT's approach is hands-on: dedicated account managers work with clients to understand their specific testing goals, then tailor a pcba testing process that aligns with budget and timeline constraints. The company's facility is equipped with a range of testing equipment, from basic functional testers for low-cost PCBs to advanced thermal cycling chambers for high-reliability applications.

SQT's strength lies in its customer-centric model. The company offers 24/7 testing services for urgent orders, with a guaranteed 4-hour turnaround for critical defects. Clients also benefit from SQT's network of component suppliers, which can source hard-to-find parts for rework, reducing downtime. For small manufacturers, SQT provides free initial consultations to help optimize PCB designs for easier testing—a service that has earned it a loyal following in Serbia's SME community. With a focus on transparency and trust, SQT proves that quality testing doesn't have to come with a premium price tag.

Key Services: 24/7 urgent testing, functional testing, thermal cycling, design-for-test (DFT) consulting.
Certifications: ISO 9001, RoHS.
Notable Clients: Local electronics assemblers, regional distributors of industrial controls.