The AI infrastructure company
that redefines
labor cost = time
— An experience that makes everyone go wow.
With the right technology derived to match the changing times and a bold yet delicate vibe,
stak promises to create ultimate comfort.
Creating an overwhelmingly
rational society.
At stak, Inc. we define "time" as the most valuable thing in the world. To avoid creating even one second of wasted time, we pursue rationality thoroughly.
We believe that this accumulation of meaningful time leads to innovation and weaves a richer life into the future.
Our Products
stak
A modular, expandable IoT device. Just swap out the bulb and your home gets a little smarter. Lighting, air conditioning, TV, even locking the front door — all comfortably controlled from your smartphone.
addcari
Find the kind of place you always wanted. A service that tells you about places and events to fill your spare time. Directly managed properties run completely unmanned through IoT integration, so you can book, pay and use them without meeting anyone.
Home Hub
Unmanned entry and exit management + smart home conversion. Operate the air conditioner and door lock through IoT integration. With a dedicated page for a specified time, third parties can come and go freely.
AI & DX training
Are you taking on what you don't yet know?
Toward greater efficiency, higher productivity & new business creation.
stak's "AI & DX training" is a hands-on program that uses cutting-edge tools such as ChatGPT, Microsoft Copilot, Canva and Notion to solve real challenges on the ground at companies. Over 200 training and development projects, eligible for government subsidies, available as both workshops and e-learning.
Digital Marketing
Digital marketing is a marketing approach that uses digital technologies such as the internet and AI, together with digitized data.
In tackling digital transformation (DX), we begin by organizing the company's issues and designing a strategy.
We build a strategy around the issues we identify and use every available tactic to provide one-stop digital marketing support.
Latest updates
Our CEO and staff post every day.
Here are the latest three from a total of 2,400+ articles.
【Day 27/66｜One Marketing Term a Day】The Low-Ball Technique — How Kana Signed Up on the Spot for "¥2,980 a month"
【Day 26/66｜One Marketing Term a Day】Door-in-the-Face —— the story of Kana, who turned down the "expensive warranty" and got the cheap one added
【Day 25/66｜One Marketing Term a Day】Foot-in-the-Door —— The story of Kana, who almost bought it after “just trying it on”
stak, Inc.
Deriving the right technology to match the changing times.
Creating ultimate comfort with a bold yet delicate vibe.
That's the kind of company we are.
- Company name
- stak, Inc.
- Founded
- February 2014 (formerly Needol, Inc.) / renamed stak in February 2019
- CEO
- Shinichiro Ueda, Representative Director & CEO
- Address
- 5-1-221 Matsubara-cho, Minami-ku, Hiroshima 732-0822
(Big Front 2F)
Directly connected to the south exit of JR "Hiroshima Station" (about a 3-minute walk) Open in Google Maps → - Capital
- 30 million yen
- Business activities
- Development & operation of stak-related products
Planning, development & operation of internet services
AI & DX training / digital marketing support - Major awards
- Monozukuri Hardware Cup (2019)
Hiroshima Venture Development Fund (2019) - Patents
- Patent No. 7136450
Why not start up
together with us?
Right now, stak is in the thick of its startup phase.
We're tackling, one by one, the worthwhile problems that can only be faced now.
Want to build an experience that makes everyone go "wow" with us?
Frequently Asked Questions
The questions we're asked most often about our services, gathered here before you contact us.
stakCan stak really be used with no installation work?
stakWhich smart appliances can it work with?
addcariWhat are the benefits of registering as a property owner?
addcariWhat kinds of situations is it used for?
homehubCan it be installed in an existing home?
TrainingWhich companies and participants is the training for?
TrainingCan we use government subsidies?
MarketingWhat does the marketing support process look like?
GeneralCan multiple services be combined?
GeneralWhat is your pricing structure?
For any other questions, feel free to use our contact form.
Business inquiries & Contact
For business enquiries, quotes, media requests or recruitment, please use the form below.
We normally reply within 3 business days.