Radar Companies AdTech · Seoul
Radar · AdTech in Seoul

Best AdTech Companies in Seoul, South Korea

The 46 best AdTech companies in Seoul, South Korea in 2026, ranked by funding and momentum. Funding, investors, founders, valuation, tech stack and live signals. Top: Buzzvil.

46companies tracked
$77.7Mdisclosed funding
0unicorns
13have raised

Ranked: Best AdTech companies in Seoul

#CompanyDisclosed fundingLast roundStageFounderFoundedTech stackPatents & IP focusRecent signals
1Buzzvil
Lock screen advertising platform
$33M78 mo agoSeries CJueun Seo
Co-Founder & CTO
2012RubySalesforceFreshworks CRM+2339 patents
Mobile advertising platforms with dynamic rewards, shared UI handles, and fraud detection
1 job opening
2IGAWorks
Demad side advertising platform
$11M129 mo agoSeries C2006Node.jsReactNext.js+15
3Genie Works
Platform offering creative campaign management solutions
$9M50 mo agoSeries AYiang
CEO
2015
4Corca
AI powered demand side platform
$5M41 mo agoSeedYounghyun Chung
Founder And Ceo
2021
55Rocks
Analytics and marketing automation tool provider for mobile games
$4M155 mo agoAcqui-HiredJeong-Seok Roh
Co-Founder
2010
6Tenping
Performance based marketing platform for enterprises
$4M117 mo agoSeedJun Ko
CEO
2015Facebook LoginamChartsBootstrap+1421 patents
E‑commerce marketing analytics and incentive platforms for advertising, sales, and loyalty
7Ad-Shield
Ad blocker solutions for advertisers
$3M29 mo agoSeed2019WebflowGSAPStripe+213 patents
Portable fire suppression devices and movable acoustic insulation panels for safety and noise control.
8Adlatte
Performance based advertising service
$3M165 mo agoDeadpooledJeong Soo Hwan
CEO
2010
9appdisco inc.
AppDisco offers a rewards-based mobile ad platform that compensates users for taking a quiz or downloading an…
$3M165 mo agoDeadpooled20107 patents
Targeted mobile advertising delivery and management platform for terminals and servers
10VideoMonster
Online platform offering video creation solutions
$2M50 mo agoSeries APaul Chun
CEO
2015Cart FunctionalityNode.jsPIXIjs+24

Top 12 AdTech companies in Seoul

#1
Seed · Seoul, Seoul · founded 2019 · 11 employees
$3.2Mraised

Ad blocker solutions for advertisers. It assists content publishers in recovering ad revenue lost to AdBlock. It uses anti-AdBlock technology to address this issue head-on and creates a fresh stream of revenue for media companies and content publishers. It offers tools to keep users informed of the percentage of visitors that have AdBlock enabled and the revenue loss.

LinkedIn Pulse recent public activity · Jul 2026
Audience: 718 LinkedIn followers — 12.9% of this cohort's audience
Funding rounds
  • Feb 2024Seed$2M
Investors
Shorooq Partners, BASS Investment, Hashed
Tech stack
CdnjsCloudflareCloudflare Bot ManagementCookieyesCore-JsDocusaurus
#2
Seed · Seoul, Seoul · founded 2021 · 23 employees
$5.4Mraised

AI powered demand side platform. The platform supports real time bidding to buy ad impressions. It provides product data driven demand prediction and inventory management. It offers an e-commerce advertisement recommendation model to provide advertisement recommendation services.

LinkedIn Pulse recent public activity · Jul 2026
Audience: 508 LinkedIn followers — 9.1% of this cohort's audience
Hiring: 1 hiring post in 12 mo (public) · hiring: Software Engineer, AI Assistant
Activity: 2 product launches announced in 12 mo
Funding rounds
  • Mar 2023Seed$5.4M
Founders & team
Younghyun ChungFounder And Ceo
Investors
BonAngels Venture Partners, KB Investment, Laguna Investment
#3
Series A · Seoul, Seoul · founded 2015 · 64 employees
$8.8Mraised

Platform offering creative campaign management solutions. It provides products such as Sellerd, a commerce network platform, Pick and uniQ which is a shopping platform. Admerce, a self service marketing automation platform, And Geniefun, a game reward event platform that provides customer retention and additional revenue through advertising It also allows users to make production and deliver statistical analytics of campaigns.

Funding rounds
  • Jun 2022Series A$7.2M
Founders & team
YiangCEO
Investors
LG U +, Korea Investment Holdings, igniteXL Ventures, igniteXL
#4
Series C · Seoul, Seoul · founded 2012 · 117 employees
$32.5Mraised

Buzzvil provides a lock screen advertising platform that delivers targeted ads and content to user's lock screens. Honeyscreen provides personalized, targeted ads and curated contents while rewarding users with points that can be converted to other monetary compensation. Buzzvil released the Buzzscreen SDK, which activates the lock screen function in existing apps with simple insertion.

LinkedIn Pulse recent public activity · Jul 2026
Audience: 3k LinkedIn followers — 46.2% of this cohort's audience · 6 engagements/post (1.6× cohort median)
Hiring: 1 hiring post in 12 mo (public) · hiring: CRM
Activity: 1 partnerships (incl. Ludifyads (Buzzvil Group)) announced in 12 mo
Funding rounds
  • Jan 2020Series C$17.7M
  • Dec 2015Series B$11.1M
  • Dec 2013Series A$3.8M
Founders & team
Jueun SeoCo-Founder & CTOJohn (Gwanwoo) LeeCo-FounderYoung LeeCo-Founder & CEO
Investors
LB Investment, Company K Partners, POSCO Capital, DAOL Investment, Shinhan Bank, Korean Development Bank
Tech stack
Amazon Web ServicesCloudflareCloudflare Bot ManagementCookiebotEnvoyFacebook Pixel
#5
Series A · Seoul, Seoul · founded 2015 · 23 employees
$2.5Mraised

Online platform offering video creation solutions. The platform allows users to create short videos for professionals. It provides templates for various businesses like fashion, food, real estate, and more. The app is available for Android and iOS users. It monetizes through subscription charges.

Funding rounds
  • Jun 2022Series A
  • Apr 2022Series A$2.5M
Founders & team
Paul ChunCEO
Investors
UPG, Etri Holdings, Innopolis Partners, Smart Study Ventures, Blue Point Capital Partners, Kyowon
#6
Series C · Seoul, Seoul · founded 2006 · 107 employees
$10.9Mraised

Igaworks provides demand side advertising platform and audience targeting platform capable of implementing the advertisement required for each application life cycle. Started as an In-game advertisement company later shifted its focus on mobile ad tracking and app analytics platform. In addition, the TF2 platform also allows sending targeted ads to Facebook users based on the analytics performed on Facebook data.

LinkedIn Pulse recent public activity · Jul 2026
Audience: 1k LinkedIn followers — 18.7% of this cohort's audience
Funding rounds
  • Nov 2015Series C
  • Dec 2014Series C$8.9M
  • Jun 2008Series A$2M
Investors
SBVA, Premier Partners, Korea Omega Investment Corp, GNTech Venture Capital, The Wells Investment, Hyundai Venture Investment
Tech stack
Amazon CloudfrontAmazon S3Amazon SesAmazon Web ServicesApache Http ServerAws Certificate Manager
#7
Acqui-Hired · Seoul, Seoul · founded 2010
$4.1Mraised

5Rocks (previously Ablar Company) is a Korean analytics and marketing automation tools provider for the mobile game developers and publishers. Their tools enable the mobile game developers to acquire relevant business intelligence for lifetime value maximization. The tool enables game developers, publishers, and game operator to communicate with their game players. Also provides push notification and in-app-campaign such as announcement, in-app product promotion, rewards, and cross promotion.

Funding rounds
  • Aug 2013Seed$2.3M
  • Mar 2013Seed$25K
  • Sep 2010Seed$1.8M
Founders & team
Jeong-Seok RohCo-FounderChangsu LeeCo-Founder & ex-CEOSteve WadsworthCEO & President
Investors
SparkLabs, Stonebridge Capital, KDDI Open Innovation Fund
Tech stack
Amazon Web ServicesAmazon S3Amazon CloudfrontAws Certificate Manager
#8
Seed · Seoul, Seoul · founded 2015 · 23 employees
$4Mraised

Performance based marketing platform for enterprises. It allows users to generate URLs for promotion and earn revenue through various channels such as social media and blogs. It provides a platform to measure and evaluate the advertising performance of each marketer in real time and allocates advertising costs.

Funding rounds
  • Oct 2016Seed$1.5M
  • 2015Seed$2.6M
Founders & team
Jun KoCEO
Investors
Translink Investment, Capstone Partners, East Gate Partners, Mashup Angels, ES Investor
Tech stack
Amazon Web ServicesAmchartsBootstrapClipboard.JsCore-JsFacebook Login
#9
Deadpooled · Seoul, Seoul · founded 2010
$3.1Mraised

Adlatte platform provides customers with a rewards scheme based on the purchases benefiting both the advertisers and the customers. While advertisers can target their customers, users can also choose the advertisement of their choice and get rewarded. Adlatte received Smart App Award 2011 - Excellence Prize in the Specialized Media Section.

Funding rounds
  • Nov 2012Series A$3.1M
Founders & team
Jeong Soo HwanCEO
Investors
Innopolis
#10
Deadpooled · Seoul, Seoul-t'ukpyolsi · founded 2010 · 105 employees
$3.1Mraised

AppDisco offers a rewards-based mobile ad platform that compensates users for taking a quiz or downloading an app after viewing an ad.

Investors
Innopolis
#11
Seed · Seoul, Seoul · founded 2024
raised

AI-based marketing solutions for retail businesses. The platform provides advertising solutions for brands and retailers. Features includes cross-platform analysis, targeting, campaign management, bidding, and more.

LinkedIn Pulse recent public activity · Jul 2026
Audience: 587 LinkedIn followers — 10.6% of this cohort's audience
Hiring: 2 hiring posts in 12 mo (public) · momentum +2 · hiring: AI , PSM(Partner Success Manager)
Activity: 1 awards announced in 12 mo
Funding rounds
  • Jul 2024Seed
Founders & team
Seyoon ChoiCo-FounderDavid YunCo-Founder & CEO
Investors
SparkLabs
Tech stack
Amazon S3Amazon Web ServicesCloudflareCloudflare Bot ManagementGoogle WorkspaceHcaptcha
#12
Seed · Seoul, Seoul · founded 2023
raised

Cloud based ad campaign management platform for retail industry. It offers end to end solutions to streamline the advertising process that includes ad creation, placement, campaign management, targeting, and analytics. The platform leverages deep learning algorithms to analyze user behaviour, purchase history, and preferences to deliver hyper-personalized ads in real time.

LinkedIn Pulse recent public activity · Jul 2026
Audience: 105 LinkedIn followers
Hiring: 1 hiring post in 12 mo (public) · hiring: A2 Cloud Basic
Funding rounds
  • Aug 2023Seed
Founders & team
Jisang YoonCo-FounderKwangseob KimCo-Founder & CEO
Investors
Altos Ventures Management

Funding & investor landscape

$77.7Mtotal disclosed funding
10companies funded
15disclosed rounds
0rounds last 90 days
Most active investors
Korea Investment Holdings4 rounds
SparkLabs3 rounds
Altos Ventures Management2 rounds
BASS Investment2 rounds
Capstone Partners2 rounds
NEOPLY2 rounds
SBVA2 rounds
Stonebridge Capital2 rounds
Aju IB Investment1 rounds
Atinum Investment1 rounds

Notable founders

Younghyun Chung
Founder And Ceo · Corca
Yiang
CEO · Genie Works
Jueun Seo
Co-Founder & CTO · Buzzvil
John (Gwanwoo) Lee
Co-Founder · Buzzvil
Paul Chun
CEO · VideoMonster
Jeong-Seok Roh
Co-Founder · 5Rocks
Changsu Lee
Co-Founder & ex-CEO · 5Rocks
Jun Ko
CEO · Tenping
Jeong Soo Hwan
CEO · Adlatte
Seyoon Choi
Co-Founder · PulseAd
David Yun
Co-Founder & CEO · PulseAd
Jisang Yoon
Co-Founder · AiderX
Prism market signals · South Korea · country-scoped Prism corpus, 941,005 docs

Market landscape — 10 sub-themes by coverage

Share of AdTech coverage by sub-theme.

Regulatory-risk over time rising

Funding & growth over time

funding rising · growth rising

Common questions

How many AdTech companies are there in Seoul, South Korea?
Radar tracks 46 indexable AdTech companies headquartered in Seoul, South Korea that meet our profile-completeness bar.
What is the total funding raised by AdTech companies in Seoul, South Korea?
The AdTech companies in Seoul, South Korea on this list have raised a combined $77.7M in disclosed equity funding across 10 funded companies.
Which is the highest-funded AdTech company in Seoul, South Korea?
Buzzvil is the highest-funded AdTech company in Seoul, South Korea, with $32.5M in disclosed equity funding.
How many AdTech companies in Seoul, South Korea are funded?
10 of the 46 AdTech companies in Seoul, South Korea on this list have disclosed at least one equity funding round.
How many AdTech unicorns are there in Seoul, South Korea?
None of the AdTech companies in Seoul, South Korea on this list currently has a disclosed valuation of $1B or more.
Who are the top investors in Seoul, South Korea AdTech companies?
The most active investors in Seoul, South Korea AdTech companies on this list include Korea Investment Holdings, SparkLabs, Altos Ventures Management, BASS Investment, Capstone Partners.
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