Top Advertising Agencies in South Korea
Goodfirms has reviewed 12 Advertising Agencies in South Korea as of September 2026. The top-ranked firm is Comma Entertainment (5.0 stars, 1 verified reviews, $50 - $99/hr, founded 2015, Seoul). Across the category, the median hourly rate is $25, median client rating is 5, and 25% of firms employ 50+ members. Explore the vetted Advertising Agencies in South Korea companies below, compare their strengths, and connect with the provider best suited to your requirements.
Are you looking for top advertising agencies in South Korea? Advertising plays an integral part in not only stimulating the customer to make a purchase but also to expand the market. Creative solutions from the best advertising agencies in South Korea will help you fight competition, enhance good-will, and educate the customer about your products more efficiently. Online advertising lets you be flexible in your ad types and also have analytics, which gives you key performance indicators right at your tips. The best online marketing companies in South Korea will improve your brand awareness along with giving you a better understanding of your performing areas. Goodfirms has prepared a list of the top advertising companies in South Korea rated on their quality, reliability, and ability.
Goodfirms has verified 12 Advertising Agencies in South Korea - part of 8,032+ Advertising Agencies & Ad Companies, each passing Goodfirms' 4-step verification process (background check, client interviews, portfolio audit, ongoing quality review). Listings marked "Sponsored" are agencies that pay for premium placement - sponsorship does not affect star ratings or review content.
Top 10 at Glance
Compare the highest-ranked firms first side by side.
List of Marketing Companies in South Korea | Top Ad Agencies in South Korea
Sponsored
Comma Entertainment is a creative marketing agency based in Seoul, South Korea. They provide a one-stop customized marketing strategy service for Korean companies as well as foreign companies. They focus on the importance of having consistent branding across all online and offline assets. Therefore they ... read Comma Entertainment reviews & insights
$50 - $99/hr10 - 492015Seoul, South KoreaEstablished appropriate strategies and made a successful result by producing high-quality contents
- AnonymousWaterbe is an End to End Korean mareketing partner that helps forien brands thrive in the Korean market.
$100 - $149/hr10 - 492020Seoul, South KoreaProfessional, responsive, fast and flexible. They've done a great job
- Gloria AndersonBBDO is the world's most awarded and effective advertising agency with 15,000 employees in 289 offices across 81 countries.BBDO Worldwide is a global, full-service marketing communications agency network. At BBDO, our mantra is “The Work. The Work. The Work.”We believe passionately in the power of creativity to move people and therefore move brands and businesses ... read BBDO reviews & insights
< $25/hr10000+1891Seoul, South KoreaUsing AI Tools
Claude
Content marketing that leads to clinic visits, not just views. 200PRO Advertising Agency implements medical marketing that reduces information asymmetry for patients.
NA2 - 92024Seoul, South KoreaWhy 200pro광고회사?
- Provide proven hospital expertise and information
- Customer customized smooth communication
- Deliver high quality content
INNOCEAN Worldwide was founded in 2005, and mainly manages the global marketing communication of the Hyundai Motor Company. With 22 offices in 17 countries and over 1,600 employees, we establish and carry out brand communication strategies, and provides total marketing solutions for our 50+ clients.
< $25/hr1,000 - 9,9992005Seoul, South KoreaSince its founding in 1982, Dae Hong has led numerous marketing successes in the past 38 years and has been making numerous success stories . We are trying to provide the most creative solutions for the digital convergence era and to be ahead of the trend
< $25/hr250 - 9991982Seoul, South KoreaGroupM is the world’s leading media investment company responsible for more than $45B (COMvergence) in annual media investment through agencies including Mindshare, MediaCom, Wavemaker, Essence and m/SIX, as well as the outcomes-driven programmatic audience company, Xaxis. GroupM creates competitive advantage for advertisers via its worldwide organization of media experts who deliver powerful insights on consumers ... read GroupM reviews & insights
< $25/hr10000+Seoul, South KoreaLeo Burnett is a communications agency powered by its HumanKind operating system, with the belief that creativity, data and technology work together to transform human behavior and drive prosperity for clients.
< $25/hr1,000 - 9,9991935Seoul, South KoreaSTONE is a brand communication company providing holistic solutions through innovative methodologies and enticing creativity. Led by Simon Park (CEO), STONE continues to offer a series of sensational brand transformation and creation consultation services in the global market
< $25/hr10 - 492011Seoul, South KoreaJust like a punch line, digital marketing is all about having a storyline, knowing the audience, being creative, and the right delivery. PPC, SEO and social media full serivce digital marketing consultancy in Korea. We are an inbound marketing agency in Seoul that has the insights and ambition to help grow your business. Many companies, ... read Punch Digital Marketing reviews & insights
$100 - $149/hr2 - 92016Seoul, South KoreaWith the expertise of the award-winning digital marketer and strategist, HY Marketing agency owner Hyein Yoon, and the support of her team of global marketers, you can expect quality localized translation, copywriting, and SEO services to elevate your marketing strategy. We helped tech startups like Bottari and GuitarFlyer, e-commerce businesses such as NAROO Mask and ... read Hyein Yoon reviews & insights
NA10 - 49Seoul, South KoreaUsing AI Tools
ChatGPT
Gemini
Claude
Oneplan Marketing is a data-driven AI marketing agency founded in 2019 and headquartered in Dongjak-gu, Seoul, South Korea. We specialize in AI SEO, GEO (Generative Engine Optimization), and AEO (Answer Engine Optimization) — helping brands get discovered not only on Google and Naver, but also cited and recommended by AI search engines such as ChatGPT, ... read oneplan marketing reviews & insights
$50 - $99/hr2 - 92019Seoul, South KoreaWhy oneplan marketing?
- All In-House Operation No Outsourcing
- Korea's Pioneer in GEO
- Proven Results Across 200 Brands
Post your project. Get proposals from PRO-verified firms.
Goodfirms recommends the top 3. You pick the winner.
Why Trust Goodfirms
Goodfirms is the world’s leading reviews and ratings company featuring 100,000+ tech companies from across the globe, complete with 80,000+ humanly vetted client reviews, detailed portfolios, hourly rates, employee strength, and more to help you choose your perfect tech partner.
Humanly-Vetted Client Reviews
Our researchers have personally vouched for the authenticity of 80,000+ client reviews by speaking directly with clients, cross-checking project details, timelines, and results to ensure 100% credibility.
Data-Driven Rankings
Data powers our company listings. Every company listed is evaluated based on its expertise, experience, market presence, reviews, and client satisfaction rate, which helps buyers confidently choose the right tech partner.
Global Trust & Recognition
Goodfirms is trusted by 100,000+ businesses in 160+ countries to connect with reliable tech partners. Our reputation is built on 80,000+ verified reviews and rankings you can trust.
Transparency In Detail
From verified client reviews and portfolio highlights to service focus and pricing, Goodfirms provides a 360-degree view of every company, helping 2+ million monthly users find the perfect tech partner.
Trending insights from Goodfirms
Valuable insights from top experts accelerate decision-making.

How Can Effective Creative Advertising Make Your Brand Engaging?
A creative agency can help refine your marketing strategy, content, and brand identity in a way that’s fresh and clear. In essence, creative advertising helps businesses stand out in a meaningful way.

AI Video Generator Pricing in 2026: What You're Actually Paying For
A full breakdown of AI video generator pricing in 2026, including credit systems, hidden costs, real tiers by budget, and which plan actually fits your use case.

How Top Global iGaming Operators Scale Across Regulated Markets: Lessons from Betsson, Flutter, and Entain
See how global iGaming operators like Betsson, Flutter, and Entain scale across regulated markets through licensing, payments, and smart M&A strategy









