About J-Company
An engineering partner powering critical industries through technology and reliable execution.
A Message from the CEO
Since founding J-Company in 2018, we have continuously refined the quality of our engineering work across semiconductors, RF, defense, and digital signal processing—always to the standard our customers expect.
Operating as a senior-engineer-led specialist team, we hold full end-to-end in-house capability: from FPGA-based hardware design to firmware, the Linux kernel, system software, and supervisory servers. This vertical integration has been the foundation of long-term collaborations with Korea's major defense primes— Hanwha Systems, LIG D&A, and Danam Systems—and the basis for our expansion into solutions for global manufacturers such as Samsung Electronics Semiconductor, LG Chem, and Apple.
We will continue to position J-Company as a true partner to the national defense industry and to industrial sites across Korea and beyond, driven by advanced engineering and dependable execution. Thank you for your continued interest and support.
Company History
Steady growth through staged partnership expansion and technical validation since 2018.
J-Company Co., Ltd. founded
Registered as supplier with LG Electronics
Registered as supplier with Samsung Electronics Semiconductor Division
Initiated LIG D&A defense prototype development
15 units of LG Chem cathode-line powder stagnation sensors deployed for validation
Samsung JDP (Joint Development) program in progress · Direct participation in regional tunnel public tenders planned
Organization · Core Capabilities
Senior-engineer-led specialist team · vertically integrated
FPGA & HW Design
FPGA, SoC, and 12-layer PCB design. Cross-functional with the firmware team.
RF & HW Design
Wideband RF circuit design and high-difficulty measurement / tuning.
Firmware & Linux
Firmware, kernel, and device-driver engineers.
System & Sales
System architecture and customer-facing technical sales.