4S4 Production is a full-cycle electronics contract manufacturer based in Bulgaria, delivering scalable and certified EMS solutions to OEMs across Europe and beyond.
With 19+ years of experience, our 15,000 m² facility in Botevgrad houses 11 high-performance SMT lines capable of processing over 1,585,000 components per hour. We specialize in both SMT and THT PCB assembly for high-complexity and high-volume products — including servers, PCs, tablets, power supplies, and smart devices.
Our integrated services include:
• Prototyping and DFM consultation
• SMT & THT assembly
• Functional testing and BGA rework
• Mechanical processing, welding & powder coating
• Custom packaging and labeling
• Full in-house testing (IPX, ESD, salt mist, vibration, insulation)
• Automated ERP + WMS for zero-error production & real-time traceability
We are certified to ISO 9001, 14001, 27001, 45001, and 50001. Our lab and production processes fully comply with EU standards for quality, environmental, safety, and information security.
Let’s build your next generation of electronics — smarter, faster, and locally in Europe.
Company Details
- Employees
- 9
- Founded
- -
- Address
- Ул. Инж. Марин Маринов - Industrial Zone Microelectronics, 3,bulgaria
- Industry
- Electrical Equipment Manufacturing
- NAICS
-
Electrical Equipment ManufacturingPower, Distribution, and Specialty Transformer ManufacturingMotor and Generator ManufacturingSwitchgear and Switchboard Apparatus ManufacturingRelay and Industrial Control Manufacturing
- Website
- https://4s4production.com
- Keywords
- include:.
- HQ
- Ботевград, София
4s4production Questions
4S4Production's website is https://4s4production.com
4S4Production's LinkedIn profile is https://bg.linkedin.com/company/4s4production
4S4Production has
9 employees.
View email and phone details for 9
employees at 4S4Production.
4S4Production's industry is
Electrical Equipment Manufacturing
4S4Production's top competitors are
Voltech Bulgaria,
Grammer Ad Bulgaria,
Mtroniq,
Технокомерс,
Electrosound Ses Işık I Bodrum,
Incotex Electronics Group,
4s4 Metering Ltd.,
Phonotronica,
Lem,
4s4group Ltd.
4S4Production's categories are Electrical Equipment Manufacturing
4S4Production's founding year is 2006
