Alfasado and Arkcore Continue Business Partnership
Alfasado Co., Ltd. and Arkcore Co., Ltd. will continue their business partnership following Arkcore's absorption merger of Protonotes Co., Ltd. This integration enables Arkcore to expand its system development capabilities and leverage Protonotes' expertise, while Alfasado continues to bolster its web solutions through ongoing collaborations.
📋 Article Processing Timeline
- 📰 Published: March 31, 2026 at 00:00
- 🔍 Collected: March 30, 2026 at 22:56
- 🤖 AI Analyzed: April 15, 2026 at 23:27 (384h 31m after Collected)
Alfasado Co., Ltd. (President and CEO: Kentaro Morisaki, hereinafter "Alfasado") announces the continuation of its business partnership with Arkcore Co., Ltd. (Representative Director: Yasuhiro Masawata, hereinafter "Arkcore").
This continuation is due to the absorption merger of Protonotes Co., Ltd., which had a business partnership with Alfasado, into Arkcore as the surviving company, effective April 1, 2026. Arkcore will inherit the prior contractual relationships and collaboration framework.
■Background
In April 2023, Asahi Interactive Co., Ltd. entered into a business partnership regarding system development and operation with Protonotes Co., Ltd. for its web contract development business.
Subsequently, this business was integrated into Alfasado Co., Ltd. on October 1, 2025, and the contractual status, rights, and obligations related to the business partnership were succeeded by Alfasado.
Now, with Protonotes being absorbed and merged into Arkcore, the contractual status, rights, and obligations held by Protonotes have been succeeded by Arkcore, leading to the continuation of the business partnership between Alfasado and Arkcore.
■Future Development
Through this merger, Arkcore plans to strengthen the system development domain as a new business pillar, in addition to its existing businesses.
This succession will allow Arkcore to continuously leverage the development and operational structure and expertise built with Protonotes, and by collaborating with Arkcore's business foundation, aim for further improvement in service value and business expansion.
Alfasado will continue to strengthen its solution offerings in the web domain through collaboration with partner companies.
This continuation is due to the absorption merger of Protonotes Co., Ltd., which had a business partnership with Alfasado, into Arkcore as the surviving company, effective April 1, 2026. Arkcore will inherit the prior contractual relationships and collaboration framework.
■Background
In April 2023, Asahi Interactive Co., Ltd. entered into a business partnership regarding system development and operation with Protonotes Co., Ltd. for its web contract development business.
Subsequently, this business was integrated into Alfasado Co., Ltd. on October 1, 2025, and the contractual status, rights, and obligations related to the business partnership were succeeded by Alfasado.
Now, with Protonotes being absorbed and merged into Arkcore, the contractual status, rights, and obligations held by Protonotes have been succeeded by Arkcore, leading to the continuation of the business partnership between Alfasado and Arkcore.
■Future Development
Through this merger, Arkcore plans to strengthen the system development domain as a new business pillar, in addition to its existing businesses.
This succession will allow Arkcore to continuously leverage the development and operational structure and expertise built with Protonotes, and by collaborating with Arkcore's business foundation, aim for further improvement in service value and business expansion.
Alfasado will continue to strengthen its solution offerings in the web domain through collaboration with partner companies.