Top Software Development Companies in South Korea
Goodfirms has reviewed 17 Software Development Companies in South Korea as of September 2026. The top-ranked firm is OpenXcell (4.9 stars, 76 verified reviews, < $25/hr, founded 2009, South Korea). Across the category, the median hourly rate is $25, median client rating is 5, and 35% of firms employ 50+ members. Explore the vetted Software Development Companies in South Korea below, compare their strengths, and connect with the provider best suited to your requirements.
Looking for the best software development company in South Korea? Here is the list for top software companies with reviews that provide excellent software services for your projects. The availability of plethora of custom software development companies in the market makes it incredibly exhausting for seekers to find a reliable software developer. Select the appropriate company for your product from the hand-picked list of top software developers available in South Korea based on their quality, reliability, and ability.
Goodfirms has verified 17 Software Development Companies in South Korea - part of 23,715+ Software Development Companies, each passing Goodfirms' 4-step verification process (background check, client interviews, portfolio audit, ongoing quality review). Listings marked "Sponsored" are agencies that pay for premium placement - sponsorship does not affect star ratings or review content.
Top 10 at Glance
Compare the highest-ranked firms first side by side.
List of Best Software Companies & Software Developer in South Korea
Sponsored
Using AI Tools
ChatGPT
Claude
Gemini
Perplexity
Cursor- + 2 More
OpenXcell is a trusted choice for businesses looking to hire custom software developers from a leading software development company. With 14+ years of experience and a team of 500+ technical experts across the USA and India, the company has delivered 1,000+ software products to 700+ ... read OpenXcell reviews & insights
< $25/hr250 - 9992009South KoreaOpenXcell delivered a high-quality platform with exceptional expertise and seamless communication.
- Co-founderWhy OpenXcell?
- Trusted AI partner for enterprise growth worldwide
- End-to-end AI product development company experts
- Generative AI & LLM integration experts team
At NEWNOP, we aspire to be a solution provider for global business problems through IT. Our solutions encompass innovative software, AI / ML, and IoT solutions and technical consultations. We happened to have launched many successful software, AI and data science solutions including, but not ... read NEWNOP Co. Ltd reviews & insights
$25 - $49/hr10 - 492022Yongin, South KoreaNon-linear data in data analysis was well analyzed.
- UMTR Chief Executive Officer
COPA-DATA is an independent manufacturer of software for industrial and energy automation. Its products are used in the manufacturing and energy industries for the automated control, monitoring, and optimization of machines, equipment, and power supplies.
< $25/hr250 - 9991987Seoul, South Korea
VUNO’s machine learning technology analyzes patient imaging data and compares it to a lexicon of processed medical data, allowing doctors to quickly assess a patient’s condition and make better decisions.
< $25/hr2 - 92014Seoul, South Korea
IT CONCEPT is a technology consulting and technology outsourcing company located in Seoul. We are specialized in infrastructure server, network, web and security.
< $25/hr10 - 492011Guro-gu, South Korea
The HollaEx team has cumulated over a decade's worth of experience in crypto technology development. Our mission — create customized, future-proofed technology to help guide businesses into the age of Web3 blockchain-driven services. HollaEx has developed software of the same name with the goal of further lowering the barriers to entry in the crypto industry. ... read HollaEx reviews & insights
NA10 - 492016Seoul, South Korea
The DQ*SO team aims to realize the ideas of our clients easily, quickly, and efficiently by utilizing various IT technologies. Our core mission is to solve the challenges our clients face, and assist them to achieve their ultimate goals quickly and accurately. We strive to be a partner in turning the client's vision into reality, ... read DQSO Corporation reviews & insights
$25 - $49/hr10 - 492024Seoul, South Korea
TiCON System Ltd is an IT outsourcing and software development company, also provide some communication services and consultancy. Our company registered in Korea & Bangladesh.
< $25/hr10 - 492007Uijeongbu-dong, South Korea
SaasVentur is a halal‑compliant digital product studio that designs and builds websites, e‑commerce stores, mobile apps, and full‑fledged SaaS platforms for clients worldwide. Rooted in cutting‑edge engineering and UX expertise, we deliver end‑to‑end solutions—from strategy and design to cloud deployment and 24/7 support—so organisations can launch faster and scale securely. Guided by Islamic ethical principles, ... read SaasVentur reviews & insights
< $25/hr2 - 92025Seoul, South Korea
The Qt Company is responsible for Qt development, productization and licensing under commercial and open source licenses. The Qt offering includes a development environment that enables the reuse of software code across numerous different operating systems, platforms and screen types, ranging from desktops and embedded systems to wearables and mobile devices. Qt is used by ... read Qt company reviews & insights
NA250 - 9991994Seoul, South Korea
UNISEM was established in 1988 and was the first company in Korea localizing GAS SCRUBBER with drastic investment and challenge. By establishing and supplying various product lines in the CHILLER market, we have established ourselves as a global partner company of domestic semiconductor manufacturers and leading overseas companies. In order to keep pace with the ... read UNISEM CO., LTD. reviews & insights
NA250 - 9991988Seongnam, South Korea
In Time Tec South Korea is an award-winning software development company with a team of expert software developers and technology enthusiasts who always believe in delivering high value and security to clients. We are a group of over a thousand software engineers and consultants with clients all over the world. We offer a wide array ... read In Time Tec South Korea reviews & insights
NA1,000 - 9,9992009Seoul, South Korea
Using AI Tools
- ChatGPT
- Claude
GitHub Copilot- Gemini
Lument is a Seoul-based full-service software development company delivering world-class mobile apps, web platforms, ERP, CRM, and enterprise software.We've built government-commissioned systems including a Hazardous Materials ERP Management System for Korean government agencies. Our team combines top-tier Korean engineering talent with English-speaking project managers available 24/7. From fintech and healthcare to e-commerce and edutech, we ... read Lument Co. Ltd reviews & insights
$25 - $49/hr50 - 2492020Seoul, South KoreaWhy Lument Co. Ltd?
- Government-grade ERP & enterprise sys expertise
- 24.7 English-speaking PMs, zero time zone barriers
- Silicon Valley quality at 30to50 percent lower cos
Always striving to keep small and medium-sized businesses up to par with the IT infrastructure of large corporations, Hanbiro started developing Cloud servers and business software in 1999 and is now working on the latest cutting edge technology: Big Data.
< $25/hr50 - 2491999Seoul, South Korea
We’re a multidisciplinary design agency based in Korea, specializing in web design, UI/UX, digital branding, and content production. Since 2018, we’ve partnered with public institutions and private companies to create user-centered websites, distinctive brand identities, and engaging video content. Our 13-member team spans strategy, design, development, and digital marketing — providing end-to-end creative solutions. With ... read LEESEEDX reviews & insights
NA10 - 492018Seoul, South Korea
KOREA MTS LTD is a strategic and comprehensive company with rich experience in a wide array of business verticals ranging for IT and Medical Tourism. This company based in South Korea.We Are a promising company that helps to connect the target consumers online and develop marketing plans and implementation in the e-market in the area ... read Korea Mts Ltd reviews & insights
NA2 - 92002Seoul, South Korea
The Else Inc. is a multi-award winning Creative Agency specialising in 'Branding', 'Product Planning', 'UI UX design', and 'Web/App Development'. Our tailored process allows clients to realize their vision for both 'design-oriented projects' and 'function/algorithm-oriented projects'. Our goal is to collaborate with our partners to elevate their digital presence. We view websites & apps as ... read The Else Inc. reviews & insights
$50 - $99/hr2 - 92020Seoul, South Korea
Post your project. Get proposals from PRO-verified firms.
Goodfirms recommends the top 3. You pick the winner.
Why Trust Goodfirms
Goodfirms is the world’s leading reviews and ratings company featuring 100,000+ tech companies from across the globe, complete with 80,000+ humanly vetted client reviews, detailed portfolios, hourly rates, employee strength, and more to help you choose your perfect tech partner.
Humanly-Vetted Client Reviews
Our researchers have personally vouched for the authenticity of 80,000+ client reviews by speaking directly with clients, cross-checking project details, timelines, and results to ensure 100% credibility.
Data-Driven Rankings
Data powers our company listings. Every company listed is evaluated based on its expertise, experience, market presence, reviews, and client satisfaction rate, which helps buyers confidently choose the right tech partner.
Global Trust & Recognition
Goodfirms is trusted by 100,000+ businesses in 160+ countries to connect with reliable tech partners. Our reputation is built on 80,000+ verified reviews and rankings you can trust.
Transparency In Detail
From verified client reviews and portfolio highlights to service focus and pricing, Goodfirms provides a 360-degree view of every company, helping 2+ million monthly users find the perfect tech partner.
Trending insights from Goodfirms
Valuable insights from top experts accelerate decision-making.
Express.js Backend Development in 2026: Costs, Benefits, Scalability & Best Use Cases
A complete guide to Express.js Backend Development costs, scalability, and use cases in 2026 — everything you need before choosing a partner.
Golang Backend Development: Benefits, Use Cases & Best Practices
What makes Golang Backend Development a strong choice for modern backends? Explore its benefits, use cases, tech stack, and best practices.
MVP Development Cost: Complete Pricing Guide (2026)
Mobile app development cost in Australia starts at AUD 30,000. Explore 2026 costs by app type, complexity, platform, developer rates, maintenance, and more.
Seoul · $0-24/hr