claimedco.com - the verified startup registry
Acall Inc.
acall.inc · Tokyo, Japan (Roppongi, Minato-ku) · founded 2010-10 · team CEO Yoshihisa Naganuma (長沼斉寿), COO Hisashi Matsubayashi (松林尚史), CTO Hiroki Fujiwara (藤原弘行), Independent Director Mizuki Takahara (高原瑞紀), President Advisor Masaishi Inoue (井上匡史). Approximately 25 employees as of October 2025. · Series B · trust 0/4
WorkstyleOS - Help companies work smarter
This dossier was built by Clark from a public scan on 2026-07-04 and is unclaimed. Is this your startup? Claim it.
Verified facts
| Company Name | Acall Inc. (Acall株式会社)
source: https://www.acall.inc/ |
| Product Tagline | WorkstyleOS - Help companies work smarter
source: https://www.acall.inc/ |
| Headquarters City | Tokyo, Japan (Roppongi, Minato-ku)
source: https://www.acall.inc/about/details/ |
| Year Established | 2010-10
source: https://www.acall.inc/about/details/ |
| Leadership Team | CEO Yoshihisa Naganuma (長沼斉寿), COO Hisashi Matsubayashi (松林尚史), CTO Hiroki Fujiwara (藤原弘行), Independent Director Mizuki Takahara (高原瑞紀), President Advisor Masaishi Inoue (井上匡史). Approximately 25 employees as of October 2025.
source: https://www.acall.inc/about/leadership/ |
| Funding Stage | Series B
source: https://www.crunchbase.com/organization/acall |
| Founders | Yoshihisa Naganuma (長沼斉寿)
source: https://jp.linkedin.com/in/yoshi-naganuma-8b3a6180, https://www.acall.inc/about/leadership/ |
| Legal Entities | Acall株式会社 (2010), Acall Asia Pte. Ltd. (2021年8月30日設立)
source: https://www.acall.inc/about/details/, https://www.acall.inc/acall-asia/ |
| Contact Email (on-domain) | dev@acall.inc
source: https://chromewebstore.google.com/detail/acall-inc/fbopkibpnpdghfopkdkdcdlgbpncfpgi |
Open in the registry app →