Top 40 Managed Service Providers in Japan
The Best of December 2025Looking for a top managed service provider in Japan?
If you’re looking for services that can spare you from complex, time-consuming, and sometimes counterproductive tasks? Perhaps managed service providers can help you and your business. You can rest easy by relying on managed service providers to handle any tedious tasks.
Managed service providers are outsourced third-party companies that provide different support efforts including network, application, security, and payroll works. Businesses and organizations hire managed service providers because of their flexibility and ability to relieve repetitive tasks. Great managed service providers create custom solutions to cater to the different needs of every business. Such services are worthwhile investments especially for startups and midsize businesses that want to have their in-house teams focus on their operations.
To assist you in your search for a partner, we’ve compiled this list of the top IT managed services in Japan. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best Japan Managed Services
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$1,000+50 - 249 employeesNaperville, ILBetterWorld Technology is a midsize IT managed services company launched in 2003. Their services include IT managed services, Cybersecurity, IT strategy consulting, and Compliance Consulting. The company is headquartered in Naperville, Illinois; Naperville, Illinois; Winter Park, Florida and Denver, Colorado.Read More
Industries
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1$1,000+50 - 249 employeesOsaka, JapanBeyond GTA Inc. Is a small Mississauga, Canada-based IT managed services company. Launched in 2019, the team focuses on IT managed services, cybersecurity, IT strategy consulting, cloud consulting & SI, and more.Read More
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2$1,000+50 - 249 employeesMinato City, JapanIT managed services company Fusion Systems Japan is headquartered in Minato City, Japan. They focus on IT managed services, IT strategy consulting, Custom Software Development, and other IT consulting and SI and were launched in 1989.Read More
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3$1,000+2 - 9 employeesMinato City, JapanRead More
Sentree is an IT firm based in Shinagawa-ku, Japan, and founded in 2009. Their team of no more than 10 specializes in IT strategy consulting, IT managed services, and cybersecurity solutions for clients in the fields of advertising, business services, and education.
Clients
EDGEofIndustries
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4Undisclosed50 - 249 employeesFukuoka, JapanAluminum Inc is an IT managed services company. The team is headquartered in Fukuoka, Japan, and their services include IT managed services and Compliance Consulting.Read More
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5Undisclosed2 - 9 employeesMinato City, JapanIT managed services and IT strategy consulting company Joho Technology was founded in 1987. The agency provides IT managed services and IT strategy consulting.Read More
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6$5,000+2 - 9 employeesShibuya City, JapanEstablished in 2004, METHOD IT is an IT managed services company. The small team specializes in IT managed services and Web Development.Read More
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7$5,000+50 - 249 employeesChiyoda City, JapanEstablished in 2003, TopTech Informatics K.K is a midsize Chiyoda City, Japan-based IT managed services company. Their team provides IT managed services and Custom Software Development.Read More
Industries
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8$5,000+50 - 249 employeesMinato City, JapanAdvertising company SivanS is based in Minato City, Japan. The team provides Advertising and Marketing Strategy.Read More
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9Undisclosed50 - 249 employeesMinato City, JapanEstablished in 1996, EIRE Systems is a cloud consulting & SI company. The midsize team specializes in cloud consulting & SI and IT managed services.Read More
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10$5,000+10 - 49 employeesShinjuku City, JapanBased in Shinjuku City, Japan, VeriServe is an IT managed services company. Their services include IT managed services and UX/UI Design.Read More
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11$10,000+50 - 249 employeesMinato City, JapanFusion Systems Group is an IT managed services company. They provide IT managed services and Custom Software Development and are located in Minato City, Japan.Read More
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12$10,000+250 - 999 employeesKoto City, JapanSCSK is an IT managed services company. Launched in 1969, the agency provides IT managed services and Finance & Accounting Outsourcing (FAO).Read More
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13$10,000+1,000 - 9,999 employeesChiyoda City, JapanNRI is an IT managed services company launched in 1965. The large team offers IT managed services and Digital Strategy.Read More
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14Undisclosed50 - 249 employeesShinagawa City, JapanHitachi Systems Security Inc. Is a Cybersecurity and IT managed services company. They were established in 1999, and their services include Cybersecurity and IT managed services.Read More
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15$1,000+250 - 999 employeesMinato City, JapanUbitus Inc., a midsize cloud consulting & SI company, is based in Taipei CIty, Taiwan and Minato City, Japan. The team focuses on cloud consulting & SI and unified communications consulting & SI.Read More
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16$25,000+50 - 249 employeesMinato City, JapanAimesoft is an artificial intelligence development company. They are located in San Jose, California and Hanoi, Vietnam. Their team provides Artificial Intelligence and Generative AI.Read More
Industries
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17Undisclosed2 - 9 employeesChiyoda City, JapanCordeos Group is a cloud consulting & SI and IT managed services company. They offer cloud consulting & SI and IT managed services and were founded in 2001.Read More
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18Undisclosed2 - 9 employeesKobe, JapanKobe Wave Co., Ltd. Is an IT strategy consulting and IT managed services company. They are in Kobe, Japan. Their team specializes in IT strategy consulting and IT managed services.Read More
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19$5,000+10 - 49 employeesMinato City, JapanFIXER, an IT managed services company, specializes in IT managed services and Artificial Intelligence. The agency is headquartered in Minato City, Japan.Read More
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20$5,000+250 - 999 employeesMinato City, JapanGIANTY, a mobile app development firm, is in Minato City, Japan; Ho Chi Minh City, Vietnam; Danang, Vietnam and Reston, Virginia. The firm provides Mobile App Development, Artificial Intelligence, IT managed services, IT staff augmentation, and more and has a midsize team.The firm was launched in 2000.Read More
Clients
Square Enix Mutan Valuenex BetrendIndustries
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21$1,000+10 - 49 employeesShinagawa City, JapanEMERGE APAC is a HR Consulting company. The Shinagawa City, Japan-based firm specializes in HR Consulting and Back Office Outsourcing.Read More
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22Undisclosed10 - 49 employeesChuo City, JapanWizcorp is a web development company. The team provides Web Development and IT managed services and is based in Chuo City, Japan.Read More
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23Undisclosed50 - 249 employeesMinato City, JapanSystemsGo is an IT managed services company. The Singapore, Singapore-based agency was launched in 1998. Their team focuses on IT managed services and other IT consulting and SI.Read More
Industries
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24$5,000+1,000 - 9,999 employeesShinjuku City, JapanHeadquartered in Ha Noi, Vietnam and Shinjuku City, Japan, VTI is an application development company. They focus on Mobile App Development and IoT development and were launched in 2017.Read More
Industries
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25$10,000+50 - 249 employeesShinjuku City, JapanFounded in 1990, Mitsue-Links is an UX design company. The team specializes in UX/UI Design and IT managed services.Read More
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26$1,000+50 - 249 employeesMinato City, JapanBased in Minato City, Japan, Toppan Forms is a Digital Strategy company. The team provides Digital Strategy and IT managed services.Read More
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27$5,000+50 - 249 employeesShinagawa City, JapanJapan Third Party is a midsize branding agency established in 1987. Their team provides Branding and Content Marketing.Read More
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28Undisclosed50 - 249 employeesNagoya, JapanIn Nagoya, Japan, Itage Global is a software development company. The team specializes in Custom Software Development and IT managed services.Read More
Industries
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29Undisclosed10 - 49 employeesMinato City, JapanHeadquartered in Minato City, Japan, BBmedia is a branding agency. Established in 1999, the team focuses on Branding and IT managed services.Read More
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30Undisclosed10 - 49 employeesShibuya City, JapanMCT (Methods Creativity Teamwork) is a Shibuya City, Japan-based branding agency. They focus on Branding and IT managed services and were established in 1952.Read More
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