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About Us

Our mission is to optimize data center operations and drive sustainable growth through purpose-built full-stack solutions.

ONIONs'
5 Key Factors

Developer of Data Center

Operations Software MK119

Market Leadership

We are the solutions provider of choice in the South Korean market.

MK119

A world-class Data Center Monitoring Solution that speaks for itself.

Tailored Solutions

ONION provides Customer-Centric technologies built to handle unique needs.

Engineering Powered

90% of ONION employees are engineers well-versed in Data Center Solutions.

Strategic Location

We’ve got offices in both Korea and Singapore.

Industry Leadership

Since 2000,

ONION has been leading the data center management solution.


ONION started with a Facility Management System (FMS). By combining our FMS expertise with our knowledge of data centers, we developed and launched MK119 in 2008 as Korea's first dedicated data center management solution. Today, MK119 is the most widely used data center management solution for large and enterprise data centers in Korea and is expanding globally. ONION has established its Asia Pacific headquarters in Singapore, along with regional offices and a partner network. Many global vendors have selected ONION as their preferred partner in the global market. ONION continues to grow relentlessly, driving innovation and excellence in the data center management industry.

Suited To You

Customized Engineering


ONION is well-known for our customized engineering services. Each data center is fitted out and operated differently. Leveraging our in-sourced engineering process, we excel at meeting unique client’s requirements.

Strong and Innovative

RnD Capabilities


ONION focuses on our RnD for innovation and sustainable development to allow us to remain competitive in the data center industry. This led us to achieve over 21 patents for monitor, control & optimize technologies from improvement of energy usage and efficiency, analysis & optimize of power, and cooling to DC infrastructure. Our R&D team creates shared technological view of the world and focuses on providing our clients with one stop software solution in data center.

ONION Meets Global Standard

IEC 62443-4-1
Cybersecurity for Industrial Automation and Control Systems (IACS)

ISO 27001
 Information Security Management Systems (ISMS)

​bizSAFE Level 3
Workplace Safety and Health Act (WSHA)

ISO/IEC 9126, 25041, 2505
Good Software Certifications​



South Korea
Headquarters & R&D Center

ONION Software, Inc.
13F R&D tower, NURITKUM SQUARE,
396, Word Cup buk-ro, Sangam-dong Mapo-gu, Seoul, 03925 Korea

 +82 2 2132 5200
 biz@onionsoftware.com
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Singapore
Asia Pacific Regional Office

ONION Technology Pte Ltd

2 Mactaggart Road, #07-01,

Khong Guan Building, Singapore 368078

 +65 6802 5109
 info@oniontechnology.com.sg
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Malaysia 

Malaysia Office

ONION Technology Sdn Bhd
Common Ground Bangsar South 
Level 2, Tower 3, Avenue 7 Horizon 2

Bangsar South City, Bangsar South, 59200 Kuala Lumpur, Malaysia

 info@oniontechnology.com.sg
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