Businesses looking for banking software development companies in Japan usually need more than standard application development. The right provider should understand financial workflows, security requirements, integrations, compliance considerations, and the technical needs of modern banking platforms. This list includes companies that work with financial software, fintech products, enterprise systems, and digital transformation projects relevant to banking organizations.
1. Itexus
Itexus develops custom fintech and banking software for financial organizations, including digital banking platforms, payment solutions, trading systems, wealth management tools, and financial automation products. The company works with regulated financial environments where security, integrations, and reliable data processing are important factors. Its banking-related services include mobile banking development, core banking modernization, KYC and AML workflows, digital wallets, and financial platform engineering.
The company also provides fintech consulting, software architecture, quality assurance, DevOps, and ongoing support for financial systems. Its portfolio includes projects such as digital customer onboarding platforms, automated trading solutions, and financial data applications.
Key Facts
- Best for: Financial companies building custom banking and fintech platforms
- Core services: Banking software development, fintech applications, digital banking, payment systems, integrations
- Specialization: Regulated financial software and enterprise fintech products
- Industries: Banking, fintech, investment, insurance
- Location: United States and Europe
- Notable strength: Experience with complex financial workflows and integrations
Contact Information
- Website: itexus.com
- Email: moc.suxeti@ofni
- Address: Żurawia 6/12/lok 766, 00-503 Warszawa, Poland
- LinkedIn: www.linkedin.com/company/itexus
- Facebook: www.facebook.com/itexus
- Twitter: x.com/ItexusSoft
- Instagram: www.instagram.com/itexus.soft
2. BIPROGY
BIPROGY provides IT services and software solutions for financial institutions and enterprises, including banking systems, application development, cloud solutions, and digital transformation services. The company works with organizations that need technology platforms supporting daily operations and long-term modernization projects.
Its financial technology experience includes developing and maintaining systems used in banking environments, improving operational processes, and connecting different enterprise applications. BIPROGY is relevant for organizations looking for a technology partner familiar with large-scale business systems.
Key Facts
- Best for: Banks and enterprises modernizing existing technology environments
- Core services: Banking systems, software development, cloud solutions, system integration
- Specialization: Enterprise IT modernization and financial systems
- Industries: Banking, finance, public sector, enterprise
- Location: Tokyo, Japan
- Notable strength: Experience supporting large-scale information systems
Contact Information
- Website: www.biprogy.com
- Phone: +81-3-5546-4111
- Address: 1-1-1 Toyosu, Koto-ku, Tokyo 135-8560, Japan
3. TISI
TISI provides financial IT services and software solutions for banks, payment providers, and other financial organizations. The company operates in areas such as payment infrastructure, financial systems, and digital transformation projects.
Its capabilities include payment platforms, credit card processing systems, debit payment technologies, and software supporting financial institution operations. TISI is relevant for organizations looking for technology partners with experience in large-scale financial infrastructure and payment-related development. Pasted markdown
Key Facts
- Best for: Payment platforms and financial infrastructure projects
- Core services: Financial systems, payment technology, IT services, digital transformation
- Financial areas: Banking, cards, payments
- Location: Tokyo, Japan
- Specialization: Payment and mission-critical financial systems
Contact Information
- Website: www.tisi.jp
- Phone: +81-3-5337-7070
- Email: pj.isit.liam@ri-isit
- Address: Sumitomo Fudosan Shinjuku Grand Tower,8-17-1 Nishi-Shinjuku, Shinjuku-ku, Tokyo 160-0023, Japan
- Facebook: www.facebook.com/tisintecgroup
- Twitter: x.com/tisintecgroup
4. NEC
NEC develops digital finance solutions combining software engineering, AI, identity technologies, payment systems, and banking platforms. The company works on financial applications that support areas such as digital banking, automated loan processes, transaction security, and fraud detection.
Its financial technology portfolio includes solutions for organizations that need advanced digital banking capabilities, biometric authentication, and data-driven financial services. NEC can be suitable for projects where banking software development involves additional technologies such as artificial intelligence and secure identity management. Pasted markdown
Key Facts
- Best for: Digital banking projects combining software and advanced technologies
- Core services: Digital finance solutions, AI applications, payment systems, banking technology
- Financial areas: Banking, payments, lending, wealth technology
- Location: Tokyo, Japan
- Specialization: AI-powered financial solutions and digital identity technologies
Contact Information
- Website: group.nec
- Phone: +81-3-3454-1111
- Address: 7-1, Shiba 5-chome Minato-ku, Tokyo 108-8001 Japan
- LinkedIn: www.linkedin.com/company/nec
- Facebook: www.facebook.com/nec.global
- Twitter: x.com/NEC\_Australia
- Instagram: www.instagram.com/necaustralia
5. Future Architect
Future Architect provides IT consulting, system architecture, software development, and operational support for financial organizations. The company has dedicated financial technology teams working on banking systems and next-generation financial platforms.
Its projects include banking transformation initiatives, custom financial systems, and solutions designed to improve banking operations. The company’s combination of consulting and engineering capabilities makes it suitable for financial institutions that need support across planning, development, and implementation stages. Pasted markdown
Key Facts
- Best for: Banking transformation and custom financial platforms
- Core services: IT consulting, architecture, system development, operations
- Financial areas: Banking, fintech, financial services
- Location: Tokyo, Japan
- Specialization: Enterprise banking systems and digital transformation
Contact Information
- Website: www.future.co.jp
- Phone: 03-5740-5721
- Address: Art Village Osaki Central Tower, 1-2-2 Osaki, Shinagawa-ku, Tokyo 141-0032, Japan
6. DTS Corporation
DTS develops and maintains financial systems for banks, trust banks, securities companies, credit card providers, and other financial organizations. The company has experience with account systems, market platforms, external connectivity, and large-scale financial system modernization.
Its financial software work includes banking upgrades, securities platforms, card management systems, credit screening solutions, billing systems, and payment infrastructure. DTS is suitable for organizations requiring long-term development and maintenance support for complex financial applications. Pasted markdown
Key Facts
- Best for: Banking, securities, and payment system development
- Core services: System integration, software development, maintenance, infrastructure
- Financial areas: Banking, securities, credit cards, trusts
- Location: Tokyo, Japan
- Project focus: Core systems and financial application modernization
Contact Information
- Website: www.dts.co.jp
- Phone: +81-3-3948-5488
- Address: 2-23-1 Hatchobori, Chuo-ku, Tokyo 104-0032, Japan
7. ITOCHU Techno-Solutions (CTC)
ITOCHU Techno-Solutions provides technology services for banks, securities companies, insurers, and credit businesses. Its Financial Services Group supports projects across planning, software development, infrastructure construction, cloud implementation, maintenance, and outsourcing.
The company also works with fintech and RegTech solutions, including software related to credit management, lending support, and capital markets operations. CTC is suitable for financial organizations that need both custom development and broader technology integration capabilities. Pasted markdown
Key Facts
- Best for: Financial organizations requiring full IT lifecycle support
- Core services: Software development, cloud, infrastructure, consulting, maintenance
- Financial areas: Banking, securities, insurance, credit, capital markets
- Location: Tokyo, Japan
- Specialization: Financial system integration and modernization
Contact Information
- Website: www.ctc-g.co.jp
- Phone: +81-3-6403-6000
- Address: Kamiyacho Trust Tower, 4-1-1 Toranomon, Minato-ku, Tokyo 105-6950, Japan
- Twitter: x.com/ctc\_press
8. NS Solutions (NSSOL)
NS Solutions develops financial applications and provides technology services for banking, securities, risk management, and capital markets organizations. The company works on systems involving financial engineering, regulatory requirements, trading-related processes, and enterprise financial operations.
Its services include consulting, application development, implementation, cloud solutions, and maintenance. NSSOL is a suitable option for financial institutions working with technically complex systems such as risk platforms, lending solutions, derivatives systems, and enterprise financial applications. Pasted markdown
Key Facts
- Best for: Capital markets, risk management, and enterprise financial systems
- Core services: Consulting, system development, implementation, maintenance
- Financial areas: Banking, securities, derivatives, lending, risk management
- Location: Tokyo, Japan
- Specialization: Financial engineering and complex enterprise applications
Contact Information
- Website: www.nssol.nipponsteel.com
- Phone: +81-3-6899-6000
- Address: Toranomon Hills Business Tower, 1-17-1 Toranomon, Minato-ku, Tokyo 105-6417, Japan
- Facebook: www.facebook.com/nssol.pr
- Twitter: x.com/nssol\_jp
9. CAC Corporation
CAC Corporation provides software development, system integration, operations, and managed services for financial organizations. The company works with banks, securities firms, insurers, and pension organizations, supporting projects from planning and design through development, implementation, and maintenance.
Its financial technology experience includes banking systems and securities platforms related to clearing, settlement, and other operational processes. CAC can support organizations looking for a long-term technology partner across multiple stages of the software lifecycle. Pasted markdown
Key Facts
- Best for: Financial institutions needing full software lifecycle support
- Core services: System development, integration, operations, managed services
- Financial areas: Banking, securities, insurance, pensions
- Location: Tokyo, Japan
- Project focus: Planning, development, implementation, and maintenance
Contact Information
- Website: www.cac.co.jp
- Phone: +81-3-6667-8000
- Address: 24-1 Nihonbashi-Hakozaki-cho, Chuo-ku, Tokyo 103-0015, Japan
10. NSD
NSD develops software systems for banks, trust banks, insurance companies, securities firms, and credit card businesses. The company works on both core financial platforms and supporting applications, including accounting systems, market systems, card management, credit screening, and payment solutions.
Its services cover IT consulting, system planning, design, development, and infrastructure construction. NSD is relevant for financial organizations that need custom software development combined with experience in large-scale financial systems. Pasted markdown
Key Facts
- Best for: Banking, insurance, securities, and card software projects
- Core services: IT consulting, software development, system design, infrastructure
- Financial areas: Banking, trusts, insurance, securities, credit cards
- Location: Tokyo, Japan
- Project focus: Core financial systems and payment platforms
Contact Information
- Website: www.nsd.co.jp
- Phone: +81-3-3257-1130
- Email: pj.oc.dsn@retsam-bew
- Address: WATERRAS TOWER, 2-101 Kanda-awajicho, Chiyoda-ku, Tokyo 101-0063, Japan
11. NTT DATA
NTT DATA provides enterprise technology services and software development for financial institutions, including banks, insurance companies, and payment organizations. The company works on large-scale banking systems, financial infrastructure, cloud modernization, and digital banking initiatives.
Its banking technology services cover areas such as core banking platforms, payment processing, customer-facing applications, and data-driven financial solutions. NTT DATA’s presence in Japan allows it to support domestic financial organizations with local market knowledge.
Key Facts
- Best for: Large financial institutions requiring enterprise-scale systems
- Core services: Banking platforms, system integration, cloud services, financial IT solutions
- Specialization: Enterprise financial technology
- Industries: Banking, insurance, financial services
- Location: Tokyo, Japan
- Notable strength: Experience with complex financial infrastructure
Contact Information
- Website: nttdata.com
- Phone: +81-3-5546-8202
- Address: Toyosu Center Building, 3-3-3 Toyosu, Koto-ku, Tokyo 135-6033, Japan
- LinkedIn: www.linkedin.com/company/nttdata
- Facebook: www.facebook.com/NTTDATAJapan
- Twitter: x.com/NTTDATA\_PR
- Instagram: www.instagram.com/nttdataplus
12. Hitachi Solutions
Hitachi Solutions provides software development and consulting services for financial organizations, including banking system implementation, business applications, and digital transformation projects. The company works with enterprises that need customized systems connected with existing operational processes.
Its capabilities include application development, cloud solutions, data management, and integration services for financial businesses.
Key Facts
- Best for: Organizations combining banking software with enterprise systems
- Core services: Custom software, consulting, cloud, system integration
- Specialization: Business application development
- Industries: Banking, finance, manufacturing, enterprise
- Location: Tokyo, Japan
- Notable strength: Enterprise software expertise
Contact Information
- Website: www.hitachi.com
- Phone: +81-3-3258-1111
- Address: 6-6 Marunouchi 1-chome, Chiyoda-ku, Tokyo 100-8280, Japan
- LinkedIn: www.linkedin.com/company/hitachi
- Facebook: www.facebook.com/hitachi.global
- Twitter: x.com/Hitachi
- Instagram: www.instagram.com/hitachi
13. SCSK Corporation
SCSK provides IT services and software development for financial institutions, including banking applications, system integration, infrastructure services, and business automation solutions.
The company supports financial organizations with software engineering, cloud adoption, security-related projects, and operational improvements.
Key Facts
- Best for: Financial organizations needing development and IT operations support
- Core services: Software development, integration, cloud, IT consulting
- Specialization: Enterprise IT services
- Industries: Banking, finance, insurance
- Location: Tokyo, Japan
- Notable strength: Broad enterprise technology capabilities
Contact Information
- Website: www.scsk.jp
- Phone: +81-3-5166-2500
- Address: 3-chōme-2-20 Toyosu, Koto City, Tokyo 135-0061
14. NRI (Nomura Research Institute)
Nomura Research Institute provides consulting and technology services for financial institutions, including banks, investment companies, and other organizations operating in regulated financial markets. The company combines business consulting with software development, system integration, and technology implementation.
NRI works on projects involving financial platforms, data management systems, digital transformation, and operational improvements. Its background in the financial sector makes it suitable for organizations that need both technology expertise and knowledge of banking processes when developing or modernizing software systems.
Key Facts
- Best for: Financial institutions needing consulting combined with software development
- Core services: Financial system development, IT consulting, system integration, digital transformation
- Specialization: Banking and financial technology solutions
- Industries: Banking, investment, financial services
- Location: Tokyo, Japan
- Notable strength: Combination of financial industry knowledge and technology services
Contact Information
- Website: www.nri.com
- Phone: 03-5877-7100
- Email: pj.oc.irn@retsambew
- Address: Otemachi Financial City Grand Cube, 1-9-2 Otemachi, Chiyoda-ku, Tokyo 100-0004
Conclusion
Choosing a banking software development company in Japan depends on the type of financial product, required integrations, security expectations, and the level of customization needed. Some providers focus on large-scale banking infrastructure and enterprise systems, while others work more closely with fintech applications, digital platforms, payments, and financial automation. A clear understanding of project goals and technical requirements can help organizations select a partner that fits their operational needs and long-term plans.