AdTech · Japan, India

Best AdTech Companies in Japan

Updated 2026-06-25 · Ranked by funding & momentum

63 indexable AdTech companies headquartered in Japan, ranked by total equity funding and recent funding momentum. Combined disclosed equity funding of $54.6M across 11 funded companies.

63
Companies
$54.6M
Total Funding
11
Funded
0
Unicorns
0
Rounds (90d)

Ranked: Best AdTech companies in Japan

#CompanyFundingValuationStage Latest roundEmployeesFoundedMomentum
1 Adgo
AI-enabled social media ad campaign management platform for advertisers
$10.2M Series B Series B Aug 2024 2014 ↑ Active
2 SpiderAF
Provider of platform protecting marketing from fraud and security risks
$7.9M Series B Series B Oct 2021 46 2011
3 Flywheel
Provider of enterprise data platforms transforming siloed information into AI-ready assets
$10.7M Series A Series A Feb 2020 1 2018
4 Cinemacraft
Interactive video monetization platform
$6.9M Series A Series A Mar 2016 5 2010
5 FreakOut
RTB enabled demand side platform
$6.9M Public Series B Mar 2013 485 2010
6 Intimate Merger
AI-based ad analytics solutions provider
$2.5M Public Series A Dec 2018 53 2013
7 Fringe81
Provides creative optimization service
$3.5M Public Seed Feb 2015 52 2005
8 Geniee
Offers SSP and ad exchange
$2M Public Series D 2016 666 2010
9 AdMaker
Mobile advertising optimization platform
$1.7M Deadpooled Series A Oct 2010 2009
10 App-cm
Mobile video ad compression
$1.2M Series A Series A Mar 2016 10 2015
11 GeoLogic
Provides location based advertising platform
$906.7K Seed Seed Jun 2018 25 2014
12 HitoBito
Platform offering AI based retargeting solution
Series A Series A Feb 2023 2015
13 BUZZCAST
Advertising and video production management solution
Deadpooled Series A Sep 2016 10 2015
14 AccessiVR
Data analysis tools for VR product management and operational support
Unfunded 2017
15 AdFlow
Creative automation software for eCommerce advertisers
Unfunded 2011
16 Adways
Ad network for digital advertising
Public 1,094 2001
17 all about japan
All About Japan engages in lifestyle information, contents creation and advertisement services.
Public 397 2000
18 Alpha
Provider of digital advertising services
Funding Raised 300 2016
19 AMoAd
Offers behavioural targeting advertising network
Unfunded 2011
20 appbank japan
AppBank provides Internet and smartphone advertisement services.
Public 55 2012
21 AppGuardian
Provides a platform for fraud detection
Unfunded 2017
22 AppVador
In-app video advertising platform
Deadpooled 2013
23 bizpa
Bizpa is an advertising platform for corporate promotion staff.
Private 18 2018
24 CA Reward
Reward-based online ad network
Deadpooled 2010
25 Chameleon
Mobile focused native ad platform
Unfunded 2014
26 Clicks Optimize
Click fraud protection software for businesses
Unfunded 2011
27 cmertv japan
CMer TV is a platform that connects advertisers with newspapers, magazines, and media by video.
Acquired 60 2011
28 CPIBoot
Multi-inventory advertising platform
Deadpooled 2014
29 Deech Acquired 14 2002
30 dfplus.io
Platform offering data management software
Unfunded 2016
31 EVERRISE
Cloud based ad server platform
Unfunded 2006
32 Fan Communications
Operates multiple ad networks for desktop and mobile devices
Public 517 1999
33 Fluct
Cross-device supply side platform
Unfunded 2008
34 FOCUS (Media and Information Services (B2B)) Private 10 2017
35 glossom
Glossom is an Internet advertising company that grows with its customers, .providing opportunity and value to the world.
Acquired 140 2007
36 gmo tech japan
GMO TECH Japan is a communication, production support, finance, settlement, and remittance company.
Public 167 2006
37 goldspot media
GoldSpot Media provides media, video building and reporting services.
Acquired 54 2006
38 Haards
Platform offering solutions to create advertises
Unfunded 2024
39 Hyper
Ad mediation platform for publishers
Deadpooled 2016
40 i-mobile
Cross-device online advertising network
Public 200 2007
41 interspace
Interspace is an internet advertising business.
Public 447 1999
42 Kanade
Offers demand side platform and data management platform
Unfunded 2015
43 Kauli
RTB enabled supply side platform
Acquired 42 2009
44 Live Revolution Private 55 2000
45 logly japan
Logly is a media Technology Business / Ad Technology Business.
Public 53 2006
46 MarketOne
Offers demand side platform
Unfunded 2009
47 Medi8
Ad yield optimization platform
Unfunded 2014
48 MicorAd
Automatically purchase ad spaces from multiple ad networks through a real-time bidding
Public 195 2007
49 Ogive
Provider of AI based bid management solutions
Unfunded 2017
50 plan-b
PLAN-B is a marketing company
Acquired 192 2003

Top 12 AdTech companies in Japan

#1
Adgo Series B
$10.2M Raised
expand_more
location_onTokyo, Tokyo
Founded
2014
Funding raised
$10.2M
Stage
Series B

AI-enabled social media ad campaign management platform for advertisers. The platform enables merchants of online platforms to create & run advertising campaigns across social media channels, helps in measuring outcomes of campaigns, to increase sales, and increase revenue. Clients include Spartan Race, Moneytree, and Golftec, among others.

Funding rounds (4 disclosed of 4)
Round Date Amount
Series B Aug 2024 $1.7M
Series A Nov 2021 $393.7K
Series A Dec 2020 $550K
Series A May 2020 $7.6M
Founders & key people
#2
SpiderAF Series B
$7.9M Raised
expand_more
location_onMinato City, Tokyo
Founded
2011
Employees
46
Funding raised
$7.9M
Stage
Series B

Provider of platform protecting marketing from fraud and security risks. It offers solutions for ad fraud protection, fake lead protection, affiliate fraud protection, and website security. The platform detects fraudulent clicks, identifies risky scripts, prevents fake leads, and safeguards affiliate campaigns. It provides tools for digital marketers and website managers to improve performance and maintain control.

Funding rounds (2 disclosed of 2)
Round Date Amount
Series B Oct 2021 $5M
Series A Nov 2019 $2.9M
Tech stack
ahrefsamazon albamazon sesamazon web servicescdnjscloudflare+14
#3
Flywheel Series A
$10.7M Raised
expand_more
location_onShibuya, Tokyo
Founded
2018
Employees
1
Funding raised
$10.7M
Stage
Series A

Provider of enterprise data platforms transforming siloed information into AI-ready assets. The company offers a data utilization platform that connects fragmented, structured and unstructured data across internal and external systems, converting it into formats suitable for analytics and machine learning. Its solutions build AI-ready data foundations, visualizing relationships between datasets and supporting applica

Funding rounds (1 disclosed of 1)
Round Date Amount
Series A Feb 2020 $10.7M
Tech stack
all in one seoapple icloud mailautoptimizebootstrapcdnjsclipboard.js+14
#4
Cinemacraft Series A
$6.9M Raised
expand_more
location_onTokyo, Tokyo
Founded
2010
Employees
5
Funding raised
$6.9M
Stage
Series A

Cinemacraft is an interactive media monetization platform. Private label solution enables brands and publishers to deliver context driven engagement on videos and photos. Cinemacraft provides ‘dynamic’ embeds which display a selection of segments from a video rather than a single frame. Enables brands to convert promotional videos into a videogram and served into ad networks. Brands and agencies can create displa

Funding rounds (4 disclosed of 7)
Round Date Amount
Series A Mar 2016 Undisclosed
Series A Feb 2015 $3.9M
Series A Feb 2014 $775K
Series A Jun 2013 $1.5M
Series A Dec 2012 Undisclosed
Series A Jan 2012 Undisclosed
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#5
FreakOut Public
$6.9M Raised
expand_more
location_onMinato City, Tokyo
Founded
2010
Employees
485
Funding raised
$6.9M
Stage
Public

FreakOut is Japan's first RTB enabled Demand-side platform. Offers multiple targeting criteria such as search targeting, site retargeting, demography, device, interest, placement targeting etc. Provides Data Management platform which collects audience behavior, demographic, interest data. Also, offers native ad platform called Hike, marketing automation tool called Mary. Has inventory supply partnership with DoubleCl

Funding rounds (2 disclosed of 2)
Round Date Amount
Series B Mar 2013 $5.4M
Series A Feb 2012 $1.5M
Tech stack
amazon cloudfrontamazon web servicesapache http serverapple icloud mailcdnjscloudflare+14
#6
$2.5M Raised
expand_more
location_onMinato City, Tokyo
Founded
2013
Employees
53
Funding raised
$2.5M
Stage
Public

AI-based ad analytics solutions provider. The product offered by the company is a data platform that solves client's data utilization issues. The features include landing page optimization, affiliated internet research, and survey, advertising cost management, branding ad rating, etc.

Funding rounds (1 disclosed of 2)
Round Date Amount
Series A Dec 2018 Undisclosed
Series A Aug 2016 $2.5M
Founders & key people
#7
Fringe81 Public
$3.5M Raised
expand_more
location_onMinato City, Tokyo
Founded
2005
Employees
52
Funding raised
$3.5M
Stage
Public

Fringe81(formerly known as RSS Ads, Inc) provides creative optimization service. Ziogous is an auto-generated advertising delivery platform that improves the CTR of banner ads by accumulating enormous amount of data such as catch copies and main visuals. It enables data analysis of banner ads that has been relied on experience and intuition. In addition Fringe81 also provides RSS advertising business, Twitterbanner b

Funding rounds (1 disclosed of 1)
Round Date Amount
Seed Feb 2015 $3.5M
#8
Geniee Public
$2M Raised
expand_more
location_onShinjuku City, Tokyo
Founded
2010
Employees
666
Funding raised
$2M
Stage
Public

Geniee's RTB platform allows advertisers to target specific demographics or geographical locations. Geniee offer DSP, SSP, AdExchange, DMP for targeted advertising. Geniee automatically analyzes the keyword on the site content in the URL unit, with its own development technology to deliver AdSense to the policy 'Safe GAURL'. Geniee had partnered with Mediamath and officially certified in the 'Google certified partner

Funding rounds (2 disclosed of 6)
Round Date Amount
Series D 2016 Undisclosed
Series D Dec 2015 Undisclosed
Series B Oct 2014 Undisclosed
Series B Feb 2013 Undisclosed
Series A Sep 2012 $1.3M
Seed Sep 2011 $677K
Tech stack
all in one seoamazon web servicescontact form 7core-jscreatejsfacebook pixel+14
#9
AdMaker Deadpooled
$1.7M Raised
expand_more
location_onTokyo, Tokyo
Founded
2009
Funding raised
$1.7M
Stage
Deadpooled

NOBOT provides a smartphone ad-optimization SDK called AdMaker that enables to display the best set from multiple ad networks for the iPhone/Android users. AdMaker enables the mobile app developers to switch between Ad-Networks. Nobot has cooperation with Ad-Networks in various countries, Mojiva (US), Zestadz (US), buzzcity (Asia), and Medialets (Rich Ads/US) along with Japanese domestic Ad-Networks.

Funding rounds (3 disclosed of 3)
Round Date Amount
Series A Oct 2010 $1.3M
Seed Mar 2010 $341.5K
Seed Oct 2009 $83K
#10
App-cm Series A
$1.2M Raised
expand_more
location_onTokyo, Tokyo
Founded
2015
Employees
10
Funding raised
$1.2M
Stage
Series A

App-CM has developed a video format based on VP9, an open-source video compression codec by Google. Corresponding to in-stream video ads protocol VAST, the new format enables compression of up to one-tenth to one-twentieth in data volume compared to typical formats. A video viewing plug-in compatible to the App-CM format should be installed on a viewer’s mobile web browser to support playing the ads.

Funding rounds (1 disclosed of 1)
Round Date Amount
Series A Mar 2016 $1.2M
Founders & key people
Tech stack
google adsensegoogle analyticsgoogle cloudgoogle cloud cdngoogle font apigoogle hosted libraries+4
#11
GeoLogic Seed
$906.7K Raised
expand_more
location_onShibuya, Tokyo
Founded
2014
Employees
25
Funding raised
$906.7K
Stage
Seed

Provider of location advertising and marketing services intended to promote small and medium enterprises. The company's services offer location-based advertising that aims to target users with position information data, targeted ads based on wealth and family composition as well as the targeting of ads for application developers and advertising vendors, enabling businesses to increase their brand recognition, establi

Funding rounds (1 disclosed of 1)
Round Date Amount
Seed Jun 2018 $906.7K
#12
HitoBito Series A
expand_more
location_onTokyo, Tokyo
Founded
2015
Stage
Series A

Platform offering AI based retargeting solution. It targets the users that visit the website. The AI performs push delivery communication with conversations personalized for each user.

Funding rounds
Round Date Amount
Series A Feb 2023 Undisclosed
Founders & key people

Recent signals in Japan AdTech

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Funding & investor landscape

Total raised
$54.6M
across these companies
Companies funded
11
with disclosed funding
Highest-funded
$10.7M raised

Most active investors

YJ Capital YJ Capital 3 investments in AdTech Z Venture Capital Z Venture Capital 3 investments in AdTech Adways Ventures Adways Ventures 2 investments in AdTech B Dash Ventures B Dash Ventures 2 investments in AdTech Daiwa Corporate Investment Daiwa Corporate Investment 2 investments in AdTech Globis Capital Partners Globis Capital Partners 2 investments in AdTech ITV ITV 2 investments in AdTech Incubate Fund Incubate Fund 2 investments in AdTech Jungle Ventures Jungle Ventures 2 investments in AdTech Ntt Docomo Ventures Ntt Docomo Ventures 2 investments in AdTech 500 Global 500 Global 1 investment in AdTech ABC Dream Ventures ABC Dream Ventures 1 investment in AdTech

Notable founders in Japan AdTech

MK Michael Kim CEO Adgo · $10.2M raised
SO Satoko Ohtsuki Founder & CEO SpiderAF · $7.9M raised
NY Naoto Yokoyama CEO & Co-founder Flywheel · $10.7M raised
DH Daigo Hamura Co-Founder & CTO Flywheel · $10.7M raised
TY Takeharu Yoshizawa CEO Intimate Merger · $2.5M raised
KK Kiyo Kobayashi Co-Founder & CEO AdMaker · $1.7M raised
Atsuhiro Takahashi Atsuhiro Takahashi Co-Founder & CTO AdMaker · $1.7M raised
AO Atsufumi Otsuka Founder App-cm · $1.2M raised
WN Wataru Noguchi Founder & CEO GeoLogic · $906.7K raised

Frequently asked questions

How many AdTech companies are there in Japan?
Radar tracks 63 indexable AdTech companies headquartered in Japan that meet our profile-completeness bar.
What is the total funding raised by AdTech companies in Japan?
The AdTech companies in Japan on this list have raised a combined $54.6M in disclosed equity funding across 11 funded companies.
Which is the highest-funded AdTech company in Japan?
Flywheel is the highest-funded AdTech company in Japan, with $10.7M in disclosed equity funding.
How many AdTech companies in Japan are funded?
11 of the 63 AdTech companies in Japan on this list have disclosed at least one equity funding round.
How many AdTech unicorns are there in Japan?
None of the AdTech companies in Japan on this list currently has a disclosed valuation of $1B or more.
Who are the top investors in Japan AdTech companies?
The most active investors in Japan AdTech companies on this list include YJ Capital, Z Venture Capital, Adways Ventures, B Dash Ventures, Daiwa Corporate Investment.

Rankings are computed by Radar (Fliar BI) from the Radar company master and are updated periodically. Funding and momentum scores use disclosed equity-funding data only. Figures may lag private rounds. Last updated 2026-06-25.

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