About atena
atena is a company based in Chuo (Japan) founded in 2020 by Shirahige Naoki and Kitagata Yuki was acquired by Kubell in March 2026. atena has raised $235.44 thousand across 1 funding round from investors including Kubell and Coral Capital. atena operates in a competitive market with competitors including RingCentral, Fuze, Webex, Weave and Mitel, among others.
Funding Insights of atena
atena has successfully raised a total of $235.44K through 1 strategic funding round. The most recent funding activity was a Seed round of $235.44 thousand completed in September 2020. This substantial capital infusion reflects strong investor confidence in the company's business model, growth potential, and market opportunities. The funding enables strategic expansion, product development, market penetration, and operational scaling to drive long-term value creation and competitive advantage.
- Total Funding $235,437
- Total Rounds 1
- Last Round Seed — $235,437
- First Round $235,437
(Sep 2020)
- Investors Count 1
All 1 funding rounds of atena with amounts and investors; the two latest post-money valuations are shown, the rest are part of the premium plan.
| Date | Amount | Transaction Name | Valuation | Lead Investors | Investors |
|---|---|---|---|---|---|
| Sep 2020 | $235,437 | Seed | – | Coral Capital | – |
2 investors in total: 2 institutional.
Investors in atena
atena has secured backing from 2 investors, including venture fund and institutional investors. Prominent investors backing the company include Kubell and Coral Capital.
| Investor | Description | Founded Year | Domain | Location |
|---|---|---|---|---|
Coral Capital is engaged in venture capital investments for startups. | – | coralcap.co | Japan | |
Diversified human resources services are provided to clients globally. | 2004 | kubell.com | Minato, Japan |
Investor details for atena
The complete investor list, round-by-round participation and investor portfolios require an active premium plan.
- Complete investor list
- Round participation
- Investor portfolios
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People of atena
2 people are tracked at atena (2 in leadership).
| Name | Role | Group |
|---|---|---|
Shirahige Naoki | Co-Founder | Leadership |
Kitagata Yuki | Co-Founder | Leadership |
Complete people profiles for atena
Full employee and board profiles, team structure, tenure and professional contact details require an active premium plan.
- Full employee list
- Team structure
- Board tenure
- Professional contacts
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Timeline of atena
3 dated milestones of atena across 6 years, from founding to its latest funding, stage changes and deals.
- Founded atena is founded.
- Funding First funding round of $235K.
- Exit Acquired by Kubell.
Competitors of atena
atena operates in a dynamic and competitive business environment, facing competition from various established players and emerging companies in the market. The competitive landscape includes prominent companies such as RingCentral, Fuze, Webex, Weave and Mitel, among others.
| Company Name | Domain | Founded | HQ Location | Total funding | Employees | Description |
|---|---|---|---|---|---|---|
| ringcentral.com | 1999 | Belmont, United States | $44M | 4,084 | Cloud-based unified communication solutions are offered to diverse sectors. | |
| fuze.com | 2006 | Boston, United States | $542.81M | 771 | Fuze, under 8x8, Inc., is recognized for providing cloud-based communication and customer experience solutions. | |
| webex.com | 1995 | San Jose, United States | $25M | 26,200 | Solutions for virtual meetings and training sessions are provided. | |
| getweave.com | 2008 | Provo, United States | $156.09M | 922 | Omnichannel software is delivered for customer engagement in healthcare businesses. | |
| mitel.com | 1973 | Ottawa, Canada | $1.01M | 430 | Unified communication platforms are managed via cloud-based systems. | |
| lumapps.com | 2012 | – | $102M | – | Cloud-based employee communication platform is provided for internal collaboration. | |
| vonage.com | 2001 | Holmdel, United States | $642.33M | 1,089 | Provider of contact center business communication solutions | |
| bandwidth.com | 1999 | Raleigh, United States | $21.89M | 1,939 | VoIP communication management is facilitated via a cloud-based enterprise platform. | |
| loom.com | 1944 | San Francisco, United States | $214.23M | – | Video based communication solution | |
| zimbra.com | 2003 | Palo Alto, United States | $17M | 98 | Enterprise collaboration software is offered with open source APIs. |
Detailed competitors of atena
The full competitor set, operating metrics and side-by-side benchmarks require an active premium plan.
- Full competitor set
- Operating metrics
- Benchmarks
- Competitive positioning
Verified entity values are shown only after access is granted.
Web traffic of atena
The website of atena (atena.inc) receives about 1.9K visits a month.
- Monthly visits1.9K
▲ 21% vs previous month
Similar companies to atena
10 companies that operate in the same segment as atena (Enterprise Collaboration & Video Tools), ranked by their profile score on The Company Check.
| Company | Description | Founded | Location | Total funding | Revenue | Employees |
|---|---|---|---|---|---|---|
Cloud-based team communication and collaboration platform is provided. | 2009 | San Francisco, California, United States | USD 1.22 B | – | 74 | |
Cloud-based enterprise collaboration suites are delivered for team productivity. | 2002 | Sydney, New South Wales, Australia | USD 210 M | USD 6.57 B | 13,810 | |
Collaborative platform for design prototyping and feedback is provided. | 2012 | San Francisco, California, United States | USD 748.75 M | – | – | |
AI-based platform for secure collaboration and content management is utilized. | 2005 | Redwood City, California, United States | USD 692.63 M | USD 1.18 B | 2,810 | |
Cloud-based software for enterprise collaboration and project management is provided. | 2013 | San Francisco, California, United States | USD 417.7 M | – | – | |
Cloud-based platform for project management and team tracking is offered. | 2012 | Tel Aviv, Israel | USD 234.7 M | USD 1.23 B | 2,510 | |
Integrated documents and spreadsheets are utilized for team project management. | 2014 | San Francisco, California, United States | USD 240 M | – | – | |
Cloud based suite solutions for enterprise project management | 2005 | Bellevue, Washington, United States | USD 120.59 M | – | – | |
Cloud-based file sharing and file transfer application | 2009 | Amsterdam, Netherlands | USD 63.81 M | – | – | |
Real-time communication and conversational AI solutions are provided by Agora. | 2014 | Guangzhou, Guangdong, China | USD 55 M | USD 141.43 M | 608 |
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Frequently Asked Questions about atena
atena was founded in 2020.
atena is headquartered in Chuo, Japan. It is registered at Chuo, Yamanashi Prefecture, Japan.
atena is a funded company, having raised a total of $235.44K across 1 funding round to date. The company's 1st funding round was a Seed of $235.44K, raised on Sep 2020.
Atena was founded in 2020 in Chuo City, Japan, operating in the digital mail management sector. A cloud-based platform is provided to handle postal mail remotely. Incoming mails are scanned and forwarded to users email addresses. Additional features encompass data labeling, custom scanning options, and tracking of mail collection and delivery statuses through a centralized list.
atena's top competitors include Webex, Bandwidth and RingCentral.
atena has 2 investors. Key investors include Kubell, and Coral Capital.
Yes. atena was acquired by Kubell in March 2026.