Open Group Acquires Payroll Pro
2025-06-17 04:27:29

Open Group Completes Acquisition of Payroll Pro, Enhancing Digital Automation Services

Open Group Completes Acquisition of Payroll Pro



Open Group Co., Ltd., based in Minato, Tokyo, has successfully acquired all shares of Payroll Pro Co., Ltd., a company related to the labor and social security attorney firm Matsumoto, located in Koto, Tokyo. This strategic move aims to enhance Open Group's payroll processing capabilities by leveraging advanced digital automation technologies.

Payroll Pro has historically provided payroll calculation services to clients of the Matsumoto law firm. With this acquisition, it will integrate Open Group’s digital BPO platform, RoboRobo Payroll, which utilizes AI agents to streamline and automate payroll operations. This transition signifies a considerable shift in operational efficiency for Payroll Pro and signifies a broader goal to digitize and automate payroll services for client companies.

Enhancing Efficiency and Digitalization



In addition to enhancing Payroll Pro's internal functions, this merger will also optimize the available work hours of social security attorneys associated with Matsumoto. By improving operational efficiency, the companies can better serve client needs regarding social security procedures and labor advisory support through increased digitalization and automation. The aim is to construct a one-stop solution for client-services by fostering collaboration between the two entities.

Insights from Payroll Pro’s President



Chika Shibata, President of Payroll Pro, commented on the complexities of payroll calculations that involve numerous variables such as employee onboarding, exits, leave of absence, frequent legal reforms, insurance rate changes, and resident tax deductions. Traditionally, these processes have relied on outdated manual methods that place undue stress on staff. Shibata emphasized that this acquisition will facilitate the digital transformation of these tasks, increasing both accuracy and efficiency. Consequently, the organization will be able to respond rapidly to client requests, enhancing service convenience significantly.

About RoboRobo Payroll



RoboRobo Payroll stands out as a digital BPO infrastructure that combines payroll processing with payroll calculation systems and hyper-automation tools. Unlike typical payroll outsourcing services, RoboRobo Payroll utilizes a blend of smart robots (AI agents) alongside human process designers to provide non-labor intensive, highly productive, and value-added services. For further details about RoboRobo Payroll, visit their official product page here.

Company Overview


Open Group Co., Ltd.


  • - Location: 3-3-1 Nishishinbashi, KDX Nishishinbashi Building, 3rd floor, Minato, Tokyo
  • - Founded: April 2000
  • - CEO: Tomomichi Takahashi
  • - Capital: ¥5.926 billion (as of February 2025)
  • - Business Scope: A pure holding company aimed at creating new businesses utilizing smart robots (RPA, AI).

Open Co., Ltd.


  • - Location: 3-3-1 Nishishinbashi, KDX Nishishinbashi Building, 3rd floor, Minato, Tokyo
  • - Founded: July 2013
  • - CEO: Takayuki Ishii
  • - Capital: ¥30 million
  • - Business Scope: Information processing services, consulting, outsourcing, digital marketing, and online advertising using smart robots (RPA, AI).

Payroll Pro Co., Ltd.


  • - Location: 1-5-7 Kameido, Kinshi-cho Prime Tower, 6th floor, Koto, Tokyo
  • - Founded: February 2025
  • - CEO: Chika Shibata
  • - Business Scope: Payroll calculation outsourcing services.



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