Company Introduction

Updated: January 30, 2026

  • Software Development
  • Telecommunications Industry and Network
  • Information Service

U-Mark Co., Ltd.

  • U-Mark Co., Ltd.
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Tel +81-98-943-8844
Fax +81-98-943-8845
URL https://www.u-mark.co.jp/
Location 〒900-0004
Uruma City14-7 Suzaki
Asia IT Training Center in Okinawa IT Shinryo Park
CEO Tamotsu Oshiro
Capital 20.000.000 yen
Founded 2012/9
Other Locations Verification Center

Message to Candidates

People who think and act on their own with high communication skills.
Those who want to contribute with software verification and software development technology to create a better society that is safe, secure and comfortable.

Company Profile

U-Mark's products are the "verification skills," "development skills," and "management skills".
We understand our customers' needs and provide "services" that are useful to them.
"Hone and hone our skills to satisfy our customers."
We enjoy working every day with this motto in mind.

Overview of Business Content・Products and Services

■ Verification Services
・Software Evaluation and Verification Services
・Software Verification Automation Tools for Efficiency and Automation
■Software Development Services
・Application Development, Embedded Software Development
■Software Operation and Monitoring Services

Proprietary Technologies and Other Strengths

We provide software development and verification services, including embedded systems, from requirements analysis and design to implementation and testing.
We support test efficiency and automation using our in-house developed verification automation tools.
■Specialized Services: Business Software Development, App Development, Testing and Verification
■Specialties: Business, Control, Embedded Systems, Test Automation, Operations and Monitoring, IoT, RPA, AI
■Development Languages: C/C++/C#, Javascript, React.js, Vue.js, Java, TypeScript, Python, Flutter, PHP, Kotlin, COBOL, Swift
■Databases Used: Oracle, SQL Server, MySQL, PostgresSQL
■Qualifications
・JSTQB: 7 people
・IVEC: 13 people
・HTML5 Professional: 1 person
・Oracle Master Silver: 1 person
・Oracle Database SQL: 1 person
・Oracle Certified Java Programmer Silver SE: 1 person

Main Achievements・History・Group Companies

■Major Achievements
-Functional testing, variation testing, load testing, vulnerability testing-
Web systems, smartphones, solar power generation systems, routers, multifunction printers, in-store terminals, automatic ticket gate systems, in-vehicle equipment, etc.

■History
September 2012: Established in Naha City with capital of 6 million yen.
October 2013: Started handling the eggPlant verification automation tool.
December 2014: Opened a verification center at Okinawa IT Tsuryo Park.
November 2015: Received special zone certification for the interoperability verification business.
November 2016: Started providing software test automation services.
January 2020: Relocated headquarters to Uruma City.
January 2022: Obtained Information Security Management System (ISMS) certification.
June 2023: Registered as an Okinawa SDGs Partner.
October 2023: Okinawa Healthy Management Declaration.
September 2024: Obtained a general labor dispatch business license.
2025 January: Launched the "Agacha©" service, an in-house developed software automatic execution tool.