The main south korea quantum computing corporations in 2026 sit inside an ecosystem pushed by a nationwide technique, by among the world’s largest know-how companies, and by a wave of specialist startups. South Korea handed a devoted Quantum Science and Technology Act, created a prime-minister-chaired Quantum Strategy Committee, and is internet hosting main quantum {hardware} from IBM and IonQ. Fourteen organisations outline the south korea quantum computing corporations on this information: SDT (Seoul, superconducting and photonic {hardware}), Norma (Seoul, quantum middleware), Korea Quantum Computing (Busan, IBM quantum providers), Qunova Computing (Daejeon, quantum chemistry software program), EYL (Seoul, quantum randomness), SK Telecom (Seoul, quantum-safe communication), Samsung SDS (Seoul, post-quantum cryptography), KT Corporation (quantum networking), KRISS (Daejeon, nationwide quantum analysis), and KISTI (Daejeon, nationwide quantum-HPC host).
Why South Korea is scaling up in quantum
South Korea constructed its know-how economic system on semiconductors, shows, telecommunications, and client electronics, and it’s now making use of that very same industrial mannequin to quantum. The nation was a comparatively late mover in quantum computing in contrast with the United States, China, and elements of Europe, but it surely has moved rapidly within the 2020s, treating quantum as a strategic nationwide know-how somewhat than a analysis curiosity. The south korea quantum computing corporations span {hardware}, software program, safety, and nationwide infrastructure.
What makes the Korean strategy distinctive is the load of enormous companies. SK Telecom, the Samsung group, and KT all have severe quantum programmes, largely in quantum-secure communication and post-quantum cryptography, and so they deliver deployment scale that pure startups can’t match. Alongside them, a layer of specialist corporations, SDT in {hardware}, Norma in middleware, Qunova in chemistry software program, EYL in randomness, has emerged, giving the south korea quantum computing corporations each company heft and startup agility.
The Quantum Strategy and nationwide funding
South Korea has put a proper authorized and budgetary framework behind quantum know-how. The National Assembly handed a Quantum Science and Technology Act in 2024, creating the authorized foundation for nationwide quantum coverage, and a Quantum Strategy Committee chaired by the prime minister held its first assembly in 2025 to coordinate the trouble throughout ministries. The 2025 nationwide quantum price range rose sharply to round 198 billion received, roughly 136 million United States {dollars}, a considerable improve on the earlier 12 months.
The longer-term ambition is bigger nonetheless, with authorities plans pointing towards complete quantum funding of greater than three trillion received, on the order of two billion United States {dollars}, by 2035, and said targets together with a thousand-qubit quantum pc and advances in quantum sensing and communication. The Korea Research Institute of Standards and Science and the Korea Institute of Science and Technology Information are central public-sector gamers. This framework is the explanation the south korea quantum computing corporations have grown rapidly right into a coordinated nationwide sector.
The prime south korea quantum computing corporations
Ten organisations outline the south korea quantum computing corporations coated on this information. One builds quantum-computing {hardware} (SDT), one gives middleware and {hardware} entry (Norma), one resells business quantum providers (Korea Quantum Computing), and one builds quantum-chemistry software program (Qunova). Three are centered on quantum safety and communication (EYL on randomness, plus the telecom operators SK Telecom and KT), one is a company post-quantum-cryptography arm (Samsung SDS), and two are nationwide analysis institutes (KRISS and KISTI). The Ministry of Science and ICT coordinates national policy behind the south korea quantum computing corporations ecosystem.
Independent directories of the south korea quantum computing companies record an identical shortlist of names. The profiles under cowl the main organisations in depth.
Superconducting + photonic {hardware} · Seoul, South Korea · Founded 2018
SDT is the Seoul-based {hardware} vendor based in 2018, and it is among the few of the south korea quantum computing corporations creating quantum processors somewhat than solely software program or safety merchandise. The firm works on each superconducting and photonic quantum {hardware}, and it operates a 20-qubit superconducting system generally known as Kreo. In March 2026 SDT opened what it describes as Korea’s first business quantum-artificial-intelligence hybrid information centre in Seoul, connecting its quantum system to NVIDIA accelerated computing by the NVQLink interface, an structure that ties quantum execution tightly to classical AI {hardware}. SDT raised a pre-IPO spherical of round 20 billion received in late 2024 led by Shinhan Venture Investment, taking cumulative funding into the tens of hundreds of thousands of {dollars}. SDT is the clearest home {hardware} guess among the many South Korean quantum corporations.
Quantum middleware + safety · Seoul, South Korea · Founded 2011
Norma is the Seoul-based firm based in 2011 that started in cybersecurity and has constructed a considerable quantum enterprise round its Q Platform, a middleware layer that connects customers to a number of quantum-hardware backends. Rather than constructing its personal processor, Norma positions itself because the entry and orchestration layer for the South Korean quantum corporations, and in 2025 it signed agreements that broadened the {hardware} its platform can attain, together with a deal to supply Rigetti superconducting programs and partnerships with the trapped-ion vendor QUDORA and the control-and-cryogenics corporations IQM and Maybell Quantum. Norma has additionally moved into functions, launching an aerospace quantum mission with a Korean college and reporting a global contract to provide a quantum pc overseas. The firm is the main quantum-software-and-access vendor among the many South Korean quantum corporations.
Commercial quantum providers · Busan, South Korea · IBM Quantum hub
Korea Quantum Computing, or KQC, is the Busan-based firm that grew to become an IBM Quantum Innovation Center in 2022 and positions itself as the primary business quantum-computing answer supplier in Korea. KQC resells entry to IBM quantum {hardware} and the IBM watsonx artificial-intelligence platform, giving Korean enterprises a path to cloud quantum computing with out constructing their very own infrastructure. The most important a part of its roadmap is a plan, introduced with IBM, to deploy an IBM Quantum System Two bodily in Busan by 2028, which might give Korea a serious on-site quantum pc exterior the capital area. KQC connects the South Korean quantum corporations to one of many largest quantum-hardware programmes on this planet, and it anchors quantum exercise within the south-eastern port metropolis of Busan.
Quantum chemistry software program · Daejeon, South Korea · Quantum software program
Qunova Computing is the Daejeon-based quantum-software vendor centered on quantum chemistry, the applying space the place helpful quantum benefit is broadly anticipated to reach first. The firm’s flagship algorithm, HI-VQE, quick for Handover Iteration Quantum Eigensolver, is designed to compute the properties of molecules on present quantum {hardware} extra effectively than customary variational strategies, which issues for drug discovery and supplies analysis. In August 2025 Qunova closed a Series A of round 10 million United States {dollars}, with traders together with GS Ventures, the Korea Development Bank, and a number of other Korean enterprise funds. Based in Daejeon, the analysis metropolis that hosts lots of Korea’s nationwide laboratories, Qunova is the main quantum-chemistry-software specialist among the many South Korean quantum corporations and a transparent instance of the nation’s power within the algorithm-and-application layer.
Quantum random quantity turbines · Seoul, South Korea · Founded 2015
EYL is the Seoul-based {hardware} vendor based in 2015, and it builds quantum random quantity turbines, the gadgets that produce genuinely unpredictable numbers wanted to create sturdy cryptographic keys. EYL’s distinctive strategy derives randomness from the radioactive decay of a tiny radioisotope supply, a quantum course of that’s basically unpredictable, and the corporate has commercialised this as a compact chip. Random quantity high quality is a foundational safety downside, as a result of predictable or biased keys weaken even the strongest cipher, and a {hardware} quantum supply removes that weak point on the root. EYL’s quantum random quantity generator know-how has been recognised underneath Korea’s framework for nationwide strategic applied sciences, and the corporate sits within the quantum-security layer of the South Korean quantum corporations alongside the bigger telecom efforts.
Quantum-safe communication · Seoul, South Korea · Telecom operator
SK Telecom is South Korea’s largest cell operator and one of the lively company gamers among the many South Korean quantum corporations, with a long-running quantum-communication and quantum-security programme. The firm has constructed quantum-key-distribution hyperlinks into elements of Korea’s community spine, and in 2025 it launched a hybrid quantum-cryptography product that mixes QKD with post-quantum-cryptography algorithms standardised by the United States National Institute of Standards and Technology, pairing physics-based and mathematics-based safety in a single system. SK Telecom has additionally been a serious investor in quantum communication internationally, and it agreed to alternate its stake within the Swiss QKD firm ID Quantique for a holding within the trapped-ion computing firm IonQ. SK Telecom offers the South Korean quantum corporations deep telecom-scale deployment expertise.
Post-quantum cryptography · Seoul, South Korea · IT providers arm
Samsung SDS is the information-technology and digital-services arm of the Samsung group, and it represents the post-quantum-security aspect of the South Korean quantum corporations. The firm has developed cryptographic know-how designed to withstand assault by future quantum computer systems, work that connects to a Korean nationwide effort to standardise post-quantum-cryptography algorithms. The wider Samsung group has additionally introduced quantum-derived safety to shoppers, equipping sure Galaxy smartphones with quantum random quantity technology developed with SK Telecom. Post-quantum cryptography is the sensible near-term response to the quantum risk, as a result of it may be deployed on present {hardware} and networks at this time, forward of any giant quantum pc. As a part of one of many world’s largest know-how teams, Samsung SDS offers the South Korean quantum corporations monumental attain into enterprise and client safety.
Quantum networking + QKD · Seongnam, South Korea · Telecom operator
KT Corporation is one in every of South Korea’s main telecommunications operators, and like SK Telecom it has made quantum communication a big a part of its know-how technique. KT has labored on quantum-key-distribution and post-quantum-cryptography pilots throughout Korea’s community infrastructure, constructing the secure-communication functionality {that a} nationwide telecom spine will want as quantum computer systems mature. The firm has additionally supported quantum analysis and ecosystem improvement by partnerships with Korean universities and analysis institutes. Telecom operators matter to the South Korean quantum corporations as a result of they personal the fibre networks on which quantum-secure communication should run, and so they present each demand and deployment scale. KT, alongside SK Telecom, offers Korea two giant carriers actively constructing quantum-communication infrastructure into the nationwide community.
National quantum analysis · Daejeon, South Korea · Metrology institute
KRISS, the Korea Research Institute of Standards and Science, is the nation’s nationwide metrology institute in Daejeon, and it is among the central analysis our bodies behind the South Korean quantum corporations. National metrology institutes are pure quantum-research leaders as a result of measurement on the highest precision already relies on quantum physics, and KRISS runs programmes spanning quantum computing, quantum sensing, and quantum requirements. The institute has been working towards a domestically constructed superconducting quantum system of round fifty qubits, a big step for Korea’s nationwide {hardware} functionality. KRISS additionally trains researchers and helps the broader ecosystem, functioning a lot as a nationwide laboratory does for a rustic’s know-how base, and it offers the South Korean quantum corporations a public-sector analysis anchor within the Daejeon science cluster.
National quantum-HPC host · Daejeon, South Korea · Supercomputing institute
KISTI, the Korea Institute of Science and Technology Information, is the nationwide supercomputing institute in Daejeon, and it’s turning into the host of Korea’s first on-site hybrid quantum-HPC platform. KISTI operates the nation’s flagship nationwide supercomputers, and it agreed with the United States firm IonQ to deploy a 100-qubit trapped-ion quantum system, known as Tempo, built-in alongside the KISTI-6 supercomputer. Co-locating a quantum processor with a serious supercomputer issues as a result of near-term quantum algorithms run as a good loop between quantum execution and classical post-processing, and a nationwide centre that gives that surroundings lowers the barrier for the entire analysis neighborhood. KISTI offers the South Korean quantum corporations and Korean researchers a shared quantum-HPC platform, complementing the IBM {hardware} coming to Busan and the System One at Yonsei University.
Tech conglomerate / investor · Suwon · KRX: 005930
Samsung Electronics, the world’s largest memory-chip maker, pursues quantum computing by the Samsung Advanced Institute of Technology and has backed the sphere by its Catalyst Fund, an early investor in IonQ. As Korea’s flagship know-how firm it brings semiconductor-scale manufacturing to the nationwide quantum effort.
Semiconductor / quantum R&D · Icheon · KRX: 000660
SK Hynix, the memory-semiconductor large, runs quantum analysis and has invested in home quantum start-ups, positioning its fabrication experience behind Korea’s quantum-hardware ambitions. Its chip-making scale is a strategic asset for the nation’s roadmap.
Electronics conglomerate · Seoul · KRX: 066570
LG Electronics joined the IBM Quantum Network and explores quantum computing for supplies, batteries and synthetic intelligence by its analysis arm. It is one in every of a number of Korean conglomerates steadily constructing quantum functionality.
National analysis institute · Daejeon · based 1976
The Electronics and Telecommunications Research Institute is South Korea’s nationwide ICT laboratory and a hub of the nation’s superconducting-qubit and quantum-networking analysis. It anchors the general public aspect of the ecosystem alongside the schools.
Seoul, South Korea · Founded 2020
In August 2024, QIC partnered with QuEra Computing to make use of quantum computer systems to enhance QUEST platform efficiency. The firm additionally collaborates with Oxford Quantum Circuits within the UK, Quandela in France, and Classiq in Israel, and runs a three way partnership with 48Hour Discovery in Canada. Beyond healthcare, QIC explores quantum computing for finance, together with algorithmic buying and selling, danger evaluation, and asset administration.
Post-quantum · Seoul, South Korea · Founded 2021
In January 2025 the KpqC secretariat introduced the ultimate winners: NTRU+ and SMAUG-T as Key Encapsulation Mechanisms, and AIMer and HAETAE as digital signature algorithms. KpqC outputs feed the Telecommunications Technology Association (TTA) Korean cryptographic requirements stack and inform PQC adoption by Korean telcos, semiconductor companies, and authorities programs.
Quantum software program · Seoul, South Korea · Founded 2020
ORIENTOM collaborates with Yonsei University on joint analysis making use of quantum computing to monetary issues, with Yonsei college students working as ORIENTOM interns and presenting papers on the potential and limitations of quantum monetary algorithms. The firm develops and integrates monetary algorithms overlaying portfolio optimization, danger evaluation, spinoff pricing, and monetary market modeling into monetary platforms.
In October 2025, ORIENTOM introduced plans to construct a middleware platform of full quantum finance algorithms by a goal of 2030, and is engaged on a nationwide mission on spinoff product valuation with Kookmin Bank and Yonsei University. ORIENTOM collaborates with NVIDIA and expanded into Southeast Asia in 2025, serving Korean and Asian monetary establishments that want quantum-enhanced computation.
Post-quantum · Seoul, South Korea · Founded 2017
ICTK is a South Korean safety semiconductor firm specializing in hardware-rooted safety and post-quantum cryptography chip design. The firm shaped a $15M strategic partnership with BTQ Technologies to co-develop the Quantum Compute in Memory (QCIM) safety chip, concentrating on 1 million digital signatures per second and 5x AES processing pace for infrastructure-grade safety. ICTK’s PQC chip experience enhances BTQ’s post-quantum algorithms to ship quantum-safe {hardware} safety for vital infrastructure, monetary programs, and IoT deployments.
Superconducting · Seoul, South Korea · Founded 1966
KIST’s quantum analysis contains superconducting qubit processors, quantum dot-based single-photon sources for quantum communication, and nitrogen-vacancy (NV) centre diamond sensors for quantum magnetic imaging. Its quantum sensing group develops compact quantum magnetometers for biomedical imaging akin to magnetoencephalography and for supplies characterisation. KIST collaborates with KAIST, KRISS, and Korean quantum corporations on the nationwide quantum {hardware} roadmap.
KIST participates in South Korea’s government-funded Quantum-Leap Flagship tasks and maintains bilateral quantum analysis programmes with Germany by the Fraunhofer-KIST cooperation, in addition to with Japan and the United States. Its quantum photonics group is creating quantum random quantity turbines and quantum key distribution {hardware} for deployment in South Korean monetary and authorities safety infrastructure.
Post-quantum · Seoul, South Korea · Founded 2020
Keypair is a South Korean full-stack post-quantum cryptography safety firm creating quantum-safe hardware-rooted safety for vital infrastructure. BTQ Technologies made a strategic funding in Keypair to collectively develop and co-own post-quantum cryptography mental property for next-generation infrastructure safety programs. Keypair deployed quantum-safe safety for KEPCO’s (Korea Electric Power Corporation) Advanced Metering Infrastructure (AMI), turning into the primary business deployment of PQC in South Korean power infrastructure. Based in Seoul, South Korea.
Superconducting · Seoul, South Korea · Founded 2021
AMCG develops MCG Scan, a medical system that measures bio-magnetic indicators generated by the center utilizing superconducting quantum interference gadgets (SQUID). The next-generation quantum sensor know-how gives high-precision cardiac diagnostics by non-invasive magnetocardiography. Exhibited at CES 2025 showcasing quantum sensor functions in medical imaging and cardiac well being monitoring.
Daejeon, South Korea · Founded 2022
Korea Quantum Computing Hub is a Daejeon-based quantum analysis hub backed by over 30 nationwide analysis institutes together with KAIST, KRISS, and ETRI, central to Korea’s quantum valley initiative. The consortium coordinates quantum analysis throughout Korea’s main establishments. KQC Hub serves as the focus for Korea’s nationwide quantum computing program, coordinating analysis, sharing assets, and creating the quantum workforce to ascertain Korea as a aggressive quantum know-how nation.
Seoul, South Korea · Founded 2019
Gene On Biotech develops QUAI, an AI-quantum drug discovery platform powered by proteome-scale experimental information. Using a 20,000-human-protein microarray, QUAI accelerates peptide therapeutic design by quantum-enhanced computational strategies. The platform combines quantum computing with synthetic intelligence for pharmaceutical analysis and drug improvement. Exhibited at CES 2025.
Quantum software program · Seoul, South Korea · Founded 2021
QSIMPLUS affords QSIMPro, a quantum communication software program simulator for prototyping quantum cryptography programs with out bodily {hardware}. The Korean firm gives simulation instruments for quantum community and QKD system design. QSIMPLUS allows researchers and corporations to develop and check quantum communication protocols in software program earlier than constructing bodily programs, accelerating quantum communications know-how improvement and lowering improvement prices.
What the lineup reveals
The first sample is the central position of quantum-secure communication. SK Telecom, KT, EYL, and Samsung SDS all work totally on quantum key distribution, quantum random quantity technology, or post-quantum cryptography, somewhat than on constructing quantum computer systems. This displays each Korea’s telecom power and a nationwide concentrate on defending networks towards the longer term quantum risk, and it makes quantum safety probably the most commercially mature section of the South Korean quantum corporations.
Big companies set the tempo
The second sample is the load of enormous know-how teams. In most nationwide ecosystems, startups lead and companies observe, however in Korea the Samsung group, SK Telecom, and KT are among the many most lively quantum gamers. Their involvement brings deployment scale, capital, and client attain, as the looks of quantum random quantity technology in mass-market smartphones exhibits, and it offers the South Korean quantum corporations a particular corporate-led character.
Hardware leans on partnerships
The third sample is that Korea is buying large-scale quantum {hardware} by worldwide partnerships somewhat than constructing all of it domestically. IBM {hardware} is coming to Busan by Korea Quantum Computing, an IBM Quantum System One already runs at Yonsei University, and IonQ is delivering a trapped-ion system to KISTI. Domestic {hardware}, led by SDT and nationwide efforts at KRISS, is at an earlier stage, so the South Korean quantum corporations at the moment mix home-grown software program and safety with imported processors.
The Seoul, Daejeon, and Busan map
The South Korean quantum corporations cluster round three centres. Seoul, the capital, is the most important, house to SDT, Norma, and EYL, and to the headquarters of the key companies, SK Telecom, the Samsung group, and KT, that run quantum programmes. The focus of company analysis, enterprise capital, and expertise makes the Seoul metropolitan space the business coronary heart of Korean quantum know-how.
Daejeon, about 150 kilometres south of Seoul, is the nation’s science metropolis and the analysis coronary heart of the ecosystem. It hosts the nationwide institutes KRISS and KISTI, the Korea Advanced Institute of Science and Technology, and the quantum-chemistry-software firm Qunova, making it the centre of public-sector quantum analysis and the national-laboratory effort. Busan, the key port metropolis within the south-east, is rising as a 3rd centre by Korea Quantum Computing and the deliberate IBM Quantum System Two deployment. Together these three cities give the South Korean quantum corporations a transparent nationwide geography.
Foreign quantum {hardware} in Korea
A defining characteristic of the Korean ecosystem is the size of international quantum {hardware} being put in within the nation. In 2025 an IBM Quantum System One, constructed round a 127-qubit processor, grew to become operational at Yonsei University’s campus within the Songdo district of Incheon, making South Korea one in every of solely a handful of nations to host an IBM System One. The deployment gave Korean researchers and corporations direct entry to a serious business quantum pc on house soil.
Two additional installations are deliberate or underneath manner. Korea Quantum Computing and IBM intend to deploy an IBM Quantum System Two in Busan by 2028, which might be a considerably extra highly effective machine, and the United States firm IonQ agreed to ship a 100-qubit trapped-ion system, Tempo, built-in with the KISTI-6 supercomputer as Korea’s first on-site hybrid quantum-HPC platform. These partnerships imply the South Korean quantum corporations can develop and benchmark on world-class {hardware} whereas home processor efforts proceed to mature.
When South Korea issues on your quantum technique
Quantum-safe communication and safety
If your precedence is quantum-safe communication, South Korea is among the most superior international locations to check. SK Telecom and KT have constructed quantum-key-distribution into nationwide community infrastructure, SK Telecom affords a hybrid product combining QKD with post-quantum cryptography, EYL builds quantum random quantity turbines, and Samsung SDS develops post-quantum-cryptography know-how. Enterprises in telecom, finance, and authorities planning for the quantum risk will discover deployed, working programs among the many South Korean quantum corporations.
Commercial quantum {hardware} entry
For entry to quantum {hardware}, Korea affords a number of routes. Korea Quantum Computing resells IBM quantum and artificial-intelligence providers, an IBM System One runs at Yonsei University, and IonQ {hardware} is coming to KISTI. Norma gives middleware that reaches a number of {hardware} backends. Organisations that wish to run workloads on business quantum computer systems within the Asia-Pacific area ought to deal with the South Korean quantum corporations as a severe entry level.
Quantum software program and chemistry
For quantum software program, the Korean ecosystem has a transparent power in chemistry. Qunova Computing builds algorithms designed to compute molecular properties effectively on present quantum {hardware}, which is instantly related to drug discovery and supplies analysis, and Norma affords instruments for creating and working quantum functions. A quantum-software or quantum-chemistry technique with an Asia-Pacific dimension ought to account for the South Korean quantum corporations and the analysis base at Daejeon.
Frequently requested questions
Who are the main South Korean quantum corporations in 2026?
The Korean ecosystem combines specialist corporations and huge companies. SDT in Seoul builds superconducting and photonic quantum {hardware}, Norma in Seoul gives quantum middleware, Korea Quantum Computing in Busan resells IBM quantum providers, and Qunova Computing in Daejeon builds quantum-chemistry software program. On quantum safety, EYL builds quantum random quantity turbines, the telecom operators SK Telecom and KT construct quantum-secure networks, and Samsung SDS develops post-quantum cryptography. The nationwide analysis institutes KRISS and KISTI anchor public-sector quantum analysis and the nationwide quantum-HPC effort. Together these ten organisations outline the South Korean quantum corporations coated on this information, an ecosystem unusually formed by giant know-how companies.
What is South Korea’s nationwide quantum technique?
South Korea has constructed a proper framework for quantum know-how. The National Assembly handed a Quantum Science and Technology Act in 2024, creating the authorized foundation for nationwide quantum coverage, and a Quantum Strategy Committee chaired by the prime minister held its first assembly in 2025 to coordinate the trouble throughout authorities. The 2025 nationwide quantum price range rose to round 198 billion received, roughly 136 million United States {dollars}, and authorities plans level towards complete quantum funding above three trillion received, on the order of two billion {dollars}, by 2035. Stated targets embrace a thousand-qubit quantum pc. This framework is why the South Korean quantum corporations have grown rapidly right into a coordinated nationwide sector.
Does South Korea have a quantum pc?
Yes, a number of. In 2025 an IBM Quantum System One, constructed round a 127-qubit processor, grew to become operational at Yonsei University within the Songdo district of Incheon, making South Korea one in every of solely a handful of nations to host an IBM System One. Korea Quantum Computing and IBM plan to deploy a extra highly effective IBM Quantum System Two in Busan by 2028, and the United States firm IonQ is delivering a 100-qubit trapped-ion system to the KISTI supercomputing institute. On the home aspect, the South Korean quantum corporations embrace SDT, which operates a 20-qubit superconducting system, and the nationwide institute KRISS has been working towards a home-built superconducting machine of round fifty qubits.
What is South Korea strongest in for quantum know-how?
The South Korean quantum corporations are strongest in quantum-secure communication and post-quantum safety. SK Telecom and KT have constructed quantum-key-distribution into nationwide community infrastructure, SK Telecom affords a hybrid product combining QKD with post-quantum cryptography, EYL builds quantum random quantity turbines, and Samsung SDS develops post-quantum-cryptography know-how. This power displays Korea’s deep telecom and electronics business and a nationwide precedence on defending networks towards future quantum assaults. Korea additionally has a transparent functionality in quantum-chemistry software program by Qunova Computing. Domestic quantum-computing {hardware}, led by SDT and nationwide efforts at KRISS, is at an earlier stage, so Korea at the moment pairs sturdy home-grown safety and software program with imported processors.
Why are massive Korean companies concerned in quantum?
South Korea’s quantum ecosystem is unusually formed by giant know-how teams, and the reason being the construction of the Korean economic system. Companies akin to SK Telecom, the Samsung group, and KT have the capital, the engineering depth, and the community infrastructure to pursue quantum know-how at scale, and so they see quantum-secure communication as a pure extension of their telecom and electronics companies. Their involvement offers the South Korean quantum corporations deployment scale that pure startups can’t match, together with quantum random quantity technology constructed into mass-market smartphones and quantum-key-distribution hyperlinks throughout nationwide networks. This corporate-led character is a particular characteristic of the Korean ecosystem in contrast with startup-led ecosystems elsewhere.
Where are South Korea’s quantum corporations situated?
The South Korean quantum corporations cluster round three cities. Seoul, the capital, is the most important centre, house to SDT, Norma, and EYL, and to the headquarters of the key companies with quantum programmes, SK Telecom, the Samsung group, and KT. Daejeon, the nationwide science metropolis about 150 kilometres south of Seoul, is the analysis coronary heart, internet hosting the nationwide institutes KRISS and KISTI, the Korea Advanced Institute of Science and Technology, and the quantum-chemistry-software firm Qunova. Busan, the key south-eastern port metropolis, is rising as a 3rd centre by Korea Quantum Computing and the deliberate IBM Quantum System Two deployment. These three cities give the South Korean quantum corporations a transparent nationwide geography.
What international quantum {hardware} is put in in South Korea?
South Korea hosts a big quantity of international quantum {hardware}. An IBM Quantum System One, constructed round a 127-qubit processor, grew to become operational at Yonsei University in Incheon in 2025, making Korea one in every of only some international locations with an IBM System One. Korea Quantum Computing and IBM plan to deploy a extra highly effective IBM Quantum System Two in Busan by 2028. The United States firm IonQ agreed to ship a 100-qubit trapped-ion system, known as Tempo, built-in with the KISTI-6 supercomputer as Korea’s first on-site hybrid quantum-HPC platform. These partnerships let the South Korean quantum corporations develop and benchmark on world-class business {hardware} whereas home processor efforts proceed to mature.
How does South Korea evaluate with different quantum nations?
South Korea was a later mover than the United States, China, and elements of Europe, but it surely has scaled up rapidly. Its nationwide quantum price range and the deliberate multi-trillion-won long-term funding place it among the many extra dedicated nations, although nonetheless under the most important spenders. Korea’s distinctive strengths are quantum-secure communication, post-quantum cryptography, and the involvement of main companies akin to SK Telecom and Samsung, which give the South Korean quantum corporations uncommon deployment scale. On {hardware}, Korea depends considerably on partnerships with IBM and IonQ whereas home efforts mature. Overall it’s a fast-rising, corporate-led quantum nation with specific depth within the safety and communication layers.