Top 60 Systems Integrator Companies in Japan
The Best of December 2025List of the Best Japan System Integrators
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31Undisclosed2 - 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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32$5,000+10 - 49 employeesChiyoda City, JapanFinatext is an app development company. Headquartered in Chiyoda City, Japan, the firm was established in 2013. Their services include Mobile App Development and UX/UI Design.Read More
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33$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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34$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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35Undisclosed250 - 999 employeesChiyoda City, JapanBrierley is a Marketing Strategy company headquartered in Frisco, Texas and London, England. The team offers Marketing Strategy and CRM consulting and SI.Read More
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36$5,000+1,000 - 9,999 employeesYokohama, JapanFounded in 2017, CMC Global is an IT staff augmentation company. The firm offers IT staff augmentation and Custom Software Development, and is large.Read More
Clients
Samsung SDSIndustries
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37Undisclosed2 - 9 employeesMinato City, JapanYappli is a mobile app development firm headquartered in Minato City, Japan. Launched in 2017, the team offers Mobile App Development and cloud consulting & SI.Read More
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38$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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39$1,000+10 - 49 employeesShinjuku City, JapanAGREX is a call center launched in 1965. The team offers Call Center Services and CRM consulting and SI and is in Shinjuku City, Japan.Read More
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40$5,000+10 - 49 employeesShibuya City, JapanPARTY is a small data analytics company in Shibuya City, Japan and New York, New York. The team focuses on BI & big data consulting & SI and Graphic Design.Read More
Industries
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41$5,000+10 - 49 employeesShibuya City, JapanLe Grand is an user experience agency based in Shibuya City, Japan. They specialize in UX/UI Design and Branding.Read More
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42$5,000+10 - 49 employeesShinjuku City, JapanFrom Scratch Co., a small Marketing Strategy company, is headquartered in Shinjuku City, Japan. Their services include Marketing Strategy and Advertising.Read More
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43$100,000+10,000+ employeesMinato City, JapanRead More
EPAM Systems is a software development, design and consulting company with their global headquarters in Newtown, Pa. They also has offices in Bellevue, Wash.; Boston; Conshohocken, Pa.; Los Angeles; New York; Philadelphia; San Francisco; Ottawa; Toronto; Guadalajara, Mexico; Vienna; Sofia; Prague; Paris; Sydney; Shanghai; Guangzhou; Hong Kong; Dubai; and multiple offices in Russia, Kazakhstan, Uzbekistan, and Armenia. Founded in 1993, they have 36,568 employees specializing in product development, digital platform engineering, and digital and product design for Fortune 1000 companies.
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44$5,000+2 - 9 employeesTaito City, JapanXoxzo is a website development company. Launched in 2007, the team focuses on Web Development and cloud consulting & SI. The agency is based in Taito City, Japan.Read More
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45Undisclosed2 - 9 employeesShibuya City, JapanPikkles, an artificial intelligence firm, was established in 2012. In Shibuya City, Japan, the team specializes in Artificial Intelligence and E-Commerce Development.Read More
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46Undisclosed2 - 9 employeesShibuya City, JapanSIPA Partners is a Business Consulting company. The team is in Shibuya City, Japan, and their services include Business Consulting and Public Relations.Read More
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47$5,000+250 - 999 employeesKawasaki, JapanLuvina Software JSC is a cloud consulting & SI company headquartered in Hanoi, Cau Giay, Vietnam and Danang, Vietnam. They focus on cloud consulting & SI and CRM consulting and SI.Read More
Clients
SIIndustries
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48Undisclosed10 - 49 employeesValència, SpainRead More
Pangeanic is a small València, Spain-based translation company. Their services include translation, Artificial Intelligence, BI & big data consulting & SI, and custom software development.
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49$5,000+10 - 49 employeesChiyoda City, JapanINFINITE UPTIME, an IoT development company, was established in 2015. The small team focuses on IoT development and BI & big data consulting & SI.Read More
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50$1,000+10 - 49 employeesChiyoda City, JapanAccounting company OC & Associates offers Accounting and HR Consulting. They were founded in 1992.Read More
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51Undisclosed10 - 49 employeesMinato City, JapanFounded in 2007, Proworks Group is an Accounting company. Based in Minato City, Japan, the team focuses on Accounting and Corporate Law.Read More
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52$5,000+2 - 9 employeesOta City, JapanMezurashico is an app development firm. They focus on Mobile App Development and Custom Software Development and are located in Ota City, Japan.Read More
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53Undisclosed2 - 9 employeesShibuya City, JapanGMO Internet is a Shibuya City, Japan-based Advertising company. Their services include Advertising and E-Commerce Development.Read More
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54$10,000+1,000 - 9,999 employeesDa Nang, VietnamLarge Blockchain company SOTATEK JSC, is headquartered in Hanoi, Vietnam; Sydney, Australia; Costa Mesa, California and Ha Noi, Vietnam. Established in 2015, the team focuses on Blockchain, Custom Software Development, CRM consulting and SI, Web Development, and more.Read More
Clients
Klaytn FoundationIndustries
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55$50,000+250 - 999 employeesYokohama, JapanRead More
InApp was founded in 2000 and currently has 300+ employees. Headquartered in Trivandrum, India, their services include web development, custom software development, and mobile app development. They also have another location in Palo Alto, Calif.
Industries
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56$25,000+10,000+ employeesMorrisville, NCPersistent Systems is a data analytics company. Established in 1990, the large agency is headquartered in Pune, India; Santa Clara, California; Paris, France and Lyne, England. Their services include BI & big data consulting & SI, cloud consulting & SI, Cybersecurity, Custom Software Development, and more.Read More
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57Undisclosed50 - 249 employeesMinato City, JapanMidsize IT strategy consulting company Dsoft Joint Stock Company, is in Da Nang, Vietnam and Minato City, Japan. The team specializes in IT strategy consulting and cloud consulting & SI.Read More
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58$25,000+1,000 - 9,999 employeesKawasaki, JapanTatvaSoft is a custom software development company headquartered in Ahmedabad, India; Murphy, Texas; Melbourne, Australia and London, England. Established in 2001, the large team focuses on Custom Software Development, Web Development, Mobile App Development, cloud consulting & SI, and more.Read More
Clients
Anglo AmericanIndustries
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59Undisclosed250 - 999 employees千代田区, JapanSollers Consulting, a big data analytics company, offer BI & big data consulting & SI and cloud consulting & SI. They were founded in 2000.Read More
Industries
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60$1,000+10,000+ employeesMinato City, JapanFounded in 1999, FPT Software, a large Digital Strategy company, is in El Segundo, California and Hanoi, Vietnam. Their team focuses on Digital Strategy and cloud consulting & SI.Read More
Industries
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