Japan’s tech industry is undergoing a major transformation in 2025, and digital innovation has emerged as the force behind sustaining economic growth. Digitalization is being propelled by government-backed initiatives and corporate investments, and it is turning Japan into a desirable destination for IT professionals. Whether you want to explore career opportunities or learn about the industry’s top players, we’ll acquaint you with the leading IT companies in Japan that are shaping the future of technology. Keep reading to discover the companies leading the way!

Top 10 IT companies in Japan

Japan has a dynamic technology industry, and leading firms are driving digital innovation in diverse sectors. Whether it is AI solutions or high-end cloud computing, Japan is being led by its top 10 IT companies in Japan that are transforming the technology of the future not only in Japan but globally.

1. Fujitsu

• Employees: 32.568
• Services: Cloud computing, system integration, software development, Internet of Things, artificial intelligence, IT security,…

In this Japan IT companies list, Fujitsu is a leader with a heritage of technology innovation dating back to 1935. It is focused on enterprise computing, cloud, and digital transformation with AI. The company is a master of enterprise computing solutions, cloud, and AI-driven digital transformation. Famous for pioneering innovations like the world’s first transistorized computer, Fujitsu continues to be a leading force in IT infrastructure innovation and cybersecurity solutions. Through its hybrid IT solutions and IoT connectivity, Fujitsu is helping businesses to simplify operations and broaden their digital skills.

2. Hitachi

• Employees: 31,442
• Services: IT systems, automotive systems, smart life & eco-friendly systems,…

Hitachi is a diversified international conglomerate that has spearheaded technological and industrial innovation since it was established in 1910. As well recognized for its contribution to infrastructure, energy, and transportation networks, Hitachi is also a significant player in the IT space with innovative solutions for cloud computing, cybersecurity, and IoT. Its Social Innovation Business brings together IT and operational technology to spearhead innovation in smart cities, renewable energy, and AI-driven automation.

As one of the leading software development companies in Japan, Hitachi continues to invest significantly in digital transformation, allowing industries and businesses to enhance efficiency and sustainability globally.

3. NEC

• Employees: 20,125
• Services: Networking solutions, integrated systems, IT services, Cloud Computing, AI, Cybersecurity, Communication Systems

NEC Corporation is one of the most experienced IT companies in Japan, with a history dating back to 1899. It is a top player in information and communication technology, providing state-of-the-art IT solutions that power businesses, governments, and telecommunications around the world. NEC is recognized for its technological innovation in AI, biometric identification, and 5G network infrastructure, and it is a market leader in digital transformation.

Through its focus on R&D, NEC continues to push IT security, cloud computing, and smart city solutions to the limits, reinforcing its position as a global technology leader.

4. NTT Data Corporation

• Employees: 11,515
• Services: App development and management, Outsourcing services, SAP solutions, cloud solutions, system integration, and IT services

NTT Data Corporation is one of the top software companies in Japan that delivers a diverse variety of IT and business solutions to organizations around the world. With its membership as part of the NTT Group, the corporation enjoys a strong positioning in digital transformation, system integration, and enterprise application services. The Tokyo-based corporation broadened its overseas operations by making strategic acquisitions and enhancing its expertise in cloud computing, business intelligence, and managed services.

Among the leading software companies in Tokyo, NTT Data continues to extend the horizon for innovation in IT consulting and digital transformation, empowering companies through the ever-evolving technological landscape.

5. FUJISOFT

• Employees: 32,568
• Services: Software development and system solutions

Fujisoft is one of the biggest IT companies in Japan that trades in software development and system solutions for various industries. It is a Yokohama-shi, Kanagawa-based company that is a global giant with a wide range of services from cloud integration to digital solutions, security solutions, and machine control embedded software. Fujisoft provides services across sectors such as finance, manufacturing, public services, and distribution.

Placed among the top 10 software companies in Japan, Fujisoft’s commitment to innovation and high-quality IT solutions has established it as a trustworthy ally in the provision of mission-critical solutions, network systems, and outsourcing services worldwide.

6. SCSK Corporation

• Employees: 7,384
• Services: IT consulting, system development, infrastructure management, HR services, finance & accounting outsourcing, IT strategy consulting

SCSK Corporation, a top player in the IT companies in Japan market, has been operating with distinguished IT services since 1969. Specializing in IT consulting, system development, and management of infrastructure, the corporation has earned itself a reputation as a top provider of the best IT solutions in various sectors.

As part of the Japan software companies list, SCSK is an expert in anticipating the needs of clients and delivering precise, efficient services tailored to the specific needs of each company. Whether it is handling IT infrastructures or offering HR and finance outsourcing solutions, SCSK is one of the most trusted partners for companies seeking to enhance the efficiency of their operations and digital growth.

7. Otsuka Corporation

• Employees: 9500+ 
• Services: Integrated IT solutions for enterprises.

Otsuka Corporation, founded in 1961 in Tokyo, Japan, is rated among the best software companies in Japan. Otsuka offers a wide range of IT solutions and services, including system integration, software development, and cloud computing. Equipped with skills in cloud computing, IT infrastructure, and business automation, Otsuka keeps evolving and delivering innovative solutions to meet the demands of the modern digital world.

With its strategic direction and commitment to excellence, Otsuka Corporation is the market leader of IT firms in Japan, providing one-stop services to companies in the fields of manufacturing, finance, and healthcare.

8. Nomura Research Institute, Ltd.

• Employees: 10,001+
• Services: IT solutions, consulting, managed services, BPO, ITO, Research, and Cloud

Nomura Research Institute, Ltd. (NRI) was established in 1965. It offers a range of services such as financial IT solutions, cybersecurity services, IT platform services, and digital marketing solutions. The company combines innovative technology with thorough research and analysis to offer highly effective solutions to customers.

Being a leader among software companies in Japan Tokyo, NRI is unique in providing IT as well as consultancy services with industry-focused specialization in finance, industrial sectors, and IT infrastructure. Having its presence globally and more than 13,000 employees, the company is constantly upgrading itself with the shifting needs of the emerging technology era, helping businesses maximize their bottom line while minimizing risk.

9. TIS

• Employees: 5,680
• Services: IT services, system development, and financial solutions

TIS is a leading IT consulting organization in Japan dealing in providing end-to-end IT services, system development, and financial solutions. Committed to optimizing business surroundings, TIS offers numerous services from system life cycle support to comprehensive outsourcing solutions. The goal of the organization is to help customers overcome issues by delivering end-to-end IT management strategies from development to maintenance.

10. Nihon Unisys, Ltd.

• Employees: 4,355
• Services: IT consulting, system development, business solutions, and IT infrastructure management.

Nihon Unisys, founded in 1958, has a long history of assisting IT development in Japan. One of the leading Japanese IT services companies, they have earned a reputation for delivering holistic solutions that cater to the unique needs of their customers. Nihon Unisys specializes in the delivery of end-to-end services, ranging from management analysis to client-specific system implementation.

Their work is aimed at supporting IT-driven management innovations and system optimization to address the needs of users. The organization is strongly committed to the development of ICT solutions that are people- and environment-friendly in a bid to promote societal well-being.

Top 3 foreign it companies in Japan

Japan has a thriving IT industry, with plenty of foreign enterprises making their presence felt in Japan. Some of the top foreign IT companies in Japan are favored due to their cutting-edge solutions, sleek technology, and huge business development. The subsequent are the most important 3 foreign IT corporations making waves in Japan.

1. FPT

• Employees: 48,612
• Location: Vietnam
• Services: IT consulting, digital transformation, software development, AI, big data, cloud, IoT, automation

FPT is a leading player in the global IT services market and one of the IT companies in Japan. Offering services from IT consulting to innovative technology solutions, FPT has capabilities in areas such as AI, Cloud, and Big Data to enable businesses to overcome and thrive in a more digitalized environment. With its strong presence in 30 nations, FPT empowers organizations to adopt future technologies and implement digital solutions that drive business success. FPT is now a go-to partner to the likes of Hitachi, Unilever, and Deutsche Bank.

2. CMC

• Employees: 6000+
• Location: Vietnam
• Services: IT solutions, digital transformation, AI, cloud, telecommunications…

CMC is Vietnam’s second-largest technology firm, with a gigantic presence worldwide. With the launch of its Yokohama office in Japan, CMC is continuing to grow its global presence by expanding its presence worldwide through its myriad array of services. They include technology solutions, telecommunication, business expansion internationally, and research and education.

CMC believes in providing world-class, innovative IT solutions driven by digital transformation, AI, and cloud services. The company is committed to being one of the top IT service providers in the nation to improve business productivity and efficiency through the most advanced technologies.

3. Luvina software

• Employees: 750+
• Location: Vietnam
• Services: IT consulting, custom software development, cloud transformation, software modernization, cybersecurity, quality assurance, and enterprise solutions.

Luvina Software is a trusted technology partner specializing in delivering high-quality IT solutions to global enterprises. With a strong focus on cost-effective digital transformation, Luvina provides custom software development, cloud services, and IT modernization to help businesses optimize operations and stay ahead in the competitive digital landscape.

Luvina has built a solid reputation in Japan by working closely with major enterprises, financial institutions, and technology firms, offering tailored software solutions that align with Japanese business standards. The company’s commitment to high-quality engineering, strict security compliance, and agile development makes it a preferred partner for businesses looking to streamline IT infrastructure and drive innovation.

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Conclusion

The IT companies in Japan have earned their global reputation by continuously innovating technology usage, building unique company cultures, and emphasizing employee well-being. We hope this article has provided you with valuable information regarding the best companies in Japan, whether you are considering partnership prospects or job prospects.

If you’re a foreign business looking to enter the Japanese market, consider collaborating with Luvina to develop the most effective localization strategy. With years of experience working alongside Japanese companies and a team of native Japanese-speaking experts, we fully understand the specific market dynamics. Our expertise will help you overcome barriers related to language, culture, work style, and legal regulations, ensuring a smooth entry into the challenging Japanese market. 

Looking for IT partnerships in Japan? Let Luvina help with localization, IT solutions, and seamless market entry. Contact us today! process and help you scale. Contact us today!