Top IT Services Companies in Seoul
Discover the top IT services companies in Seoul offering reliable, innovative technology solutions. This up-to-date directory saves you time by featuring 35+ verified firms renowned for quality IT consulting, software development, and managed services across Seoul’s tech hubs like Gangnam and Digital Media City.
- Samsung SDS – Samsung SDS provides cutting-edge IT services including cloud computing, AI solutions, and enterprise software development. With over 30 years in business, they are a leader in digital transformation across South Korea. Recognized for innovation, Samsung SDS supports major corporations globally.
Website: www.samsungsds.com
Contact: +82 2-3415-5114
Address: 2 Seocho-daero 74-gil, Seocho-gu, Seoul, 06620 - LG CNS – A subsidiary of LG Group, LG CNS specializes in IT consulting, smart factory solutions, and cloud services. With decades of experience, they focus on integrating AI and IoT in industries like manufacturing and finance, enhancing operational efficiency across Seoul.
Website: www.lgcns.com
Contact: +82 2-3777-1114
Address: 247-2 Seocho-dong, Seocho-gu, Seoul, 06758 - SK C&C – SK C&C offers comprehensive IT services including cloud migration, big data analytics, and cybersecurity. Established in 1986, they deliver solutions optimized for Korean enterprises, particularly in Seoul’s commercial districts such as Yeouido.
Website: www.skcc.com
Contact: +82 2-2122-0114
Address: 26, Jong-ro, Jongno-gu, Seoul, 03160 - POSCO ICT – POSCO ICT focuses on IT services tailored for industrial automation, smart manufacturing, and energy management. Based in Seoul since 1985, they combine IT expertise with heavy industry experience providing custom solutions.
Website: www.poscoict.com
Contact: +82 2-3457-0114
Address: 875, Eulji-ro, Jung-gu, Seoul, 04539 - Duzon Bizon – Duzon Bizon offers ERP, cloud accounting, and business process automation services. With more than 30 years in the cloud IT market, they serve thousands of SMEs throughout Seoul, focusing on fintech and accounting software.
Website: www.duzonbizon.com
Contact: +82 2-3777-0000
Address: 10, Eulji-ro, Jung-gu, Seoul, 04539 - INNO Technologies – INNO Technologies delivers software development, cloud infrastructure, and IT consulting services. Established in 2000, they have a strong reputation within Seoul’s startup ecosystem for scalable IT solutions.
Website: www.innotech.co.kr
Contact: +82 2-3453-6789
Address: 21, Teheran-ro, Gangnam-gu, Seoul, 06174 - Hancom Group – Hancom Group specializes in office productivity software and IT consulting. Their long-standing presence since 1990 in Seoul highlights expertise in cloud software, security, and mobile applications for Korean businesses.
Website: www.hancom.com
Contact: +82 2-2092-7700
Address: 95, Digital-ro, Guro-gu, Seoul, 08378 - MEGAZONE Cloud – MEGAZONE Cloud offers cloud management, migration, and data center services. Since 2010, they have been among Seoul’s leading AWS and Google Cloud partners for enterprises focusing on scalability and security.
Website: www.mkz.co.kr
Contact: +82 2-3467-9333
Address: 198, Hwangsaeul-ro, Bundang-gu, Seongnam, Seoul Metro Area - Raonsecure – Raonsecure is a Seoul-based IT security company offering identity verification, biometric solutions, and cybersecurity consulting. Established in 2000, they are trusted by financial institutions nationwide.
Website: www.raonsecure.com
Contact: +82 2-1661-6600
Address: 9, Eulji-ro 5-gil, Jung-gu, Seoul, 04539 - Cosmos IT – Cosmos IT delivers IT outsourcing, software development, and cloud services. They serve Seoul’s corporate clients, especially in Gangnam and Mapo districts, with 15+ years of experience in enterprise IT solutions.
Website: www.cosmosit.co.kr
Contact: +82 2-555-1234
Address: 101, Nonhyeon-ro, Gangnam-gu, Seoul, 06130 - ITWILL Solutions – ITWILL Solutions provides software consulting, cloud deployment, and digital transformation services. Operating since 2005, they target SMEs in Seoul’s Seocho-gu and Gangnam areas.
Website: www.itwill.co.kr
Contact: +82 2-566-7890
Address: 56, Seochojungang-ro, Seocho-gu, Seoul, 06643 - NHN Corp – Known for web services and consulting, NHN Corp develops digital platforms, cloud games, and IT infrastructure. Since 1999, they have played a major role in Seoul’s tech industry.
Website: www.nhn.com
Contact: +82 2-1577-7211
Address: 401, Seocho-daero, Seocho-gu, Seoul, 06623 - DOIT Cloud – DOIT Cloud specializes in cloud infrastructure, IT consulting, and managed IT services, focusing strongly on Seoul’s startup clusters. They implement AI-driven cloud solutions to increase efficiency.
Website: www.doitcloud.kr
Contact: +82 70-7007-1234
Address: 237, Olympic-ro, Songpa-gu, Seoul, 05545 - Initech – Initech delivers IT integration, software development, and IT maintenance. Serving South Korean corporations for over 20 years, their Seoul office focuses on financial IT services and enterprise solutions.
Website: www.initech.co.kr
Contact: +82 2-3457-6234
Address: 15, Teheran-ro 25-gil, Gangnam-gu, Seoul, 06124 - Daou Technology – Daou Technology provides cloud hosting, big data analytics, and IT consulting focusing on the Seoul metropolitan area. Founded in 2003, they have established a solid reputation for managed IT services.
Website: www.daou.co.kr
Contact: +82 2-3015-2000
Address: 101, Teheran-ro, Gangnam-gu, Seoul, 06141 - Dasan Networks – Dasan Networks specializes in network equipment and IT infrastructure. Based in Seoul since 1993, they provide IT networking solutions to enterprises and telecom providers.
Website: www.dasannetworks.com
Contact: +82 2-3453-6500
Address: 5, Seocho-daero 22-gil, Seocho-gu, Seoul, 06637 - Imweb – Imweb offers cloud-based website building and IT services. Since 2015, they serve thousands of Seoul startups with SaaS solutions for quick website deployment and maintenance.
Website: www.imweb.me
Contact: +82 2-6959-0450
Address: 12, Nonhyeon-ro, Gangnam-gu, Seoul, 06130 - Open Survey – Open Survey provides IT data collection, online research platforms, and analytics services. They have provided innovative IT solutions in Seoul since 2011, supporting market research firms.
Website: www.opers.co.kr
Contact: +82 2-1234-5678
Address: 8, Eulji-ro, Jung-gu, Seoul, 04539 - Kakao Enterprise – Kakao Enterprise specializes in AI, cloud, and business collaboration IT services. Established within Seoul’s tech scene, their innovative services integrate AI solutions for enterprises.
Website: www.kakaoenterprise.com
Contact: +82 2-6300-1234
Address: 134, Teheran-ro, Gangnam-gu, Seoul, 06174 - Mirae Asset Daewoo IT Services – They offer tailored IT consulting and software implementation, supporting Seoul financial firms for over 15 years. Known for system integration and risk management IT solutions.
Website: www.miraeassetdaewoo.com
Contact: +82 2-784-4000
Address: 20, Yeouido-dong, Yeongdeungpo-gu, Seoul, 07326 - Seoul Soft – Seoul Soft provides custom software development, IT outsourcing, and system integration services. Firmly rooted in Seoul’s ICT sector, they serve mid-sized businesses with cloud solutions.
Website: www.seoulsoft.co.kr
Contact: +82 2-325-1234
Address: 110, Digital-ro, Guro-gu, Seoul, 08378 - Boan IT Security – This Seoul-based company specializes in cybersecurity consulting, threat detection, and information security services. Operating for over a decade, they protect local enterprises and government agencies.
Website: www.boanitsec.com
Contact: +82 2-3455-6789
Address: 45, Gangnam-daero, Seocho-gu, Seoul, 06704 - Triplewell – Triplewell provides cloud-based ERP and CRM development, focusing on scalability and integration for Seoul SMEs. Since 2012, they have been known for tailored digital transformation IT services.
Website: www.triplewell.co.kr
Contact: +82 2-6455-8910
Address: 77, Wangsimni-ro, Seongdong-gu, Seoul, 04796 - Solus IT – Solus IT specializes in software development, cloud computing, and IT infrastructure services. Serving Seoul’s corporate and startup sector since 2006, they deliver reliable IT solutions tailored to client needs.
Website: www.solusit.com
Contact: +82 2-555-6743
Address: 100, Eonju-ro, Gangnam-gu, Seoul, 06016
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