# Best Advertising Agencies in Seoul (2026)

Working with an agency in Seoul gives you access to professionals who understand the South Korea market inside out. On Pick an Agency you can filter 74 agencies based in Seoul by service type, budget, and team size to find your ideal match, including top-rated IREH MARKETING 이레마케팅 and Core-A. With an average rating of 4.8★, 948 client reviews, you have real data to compare. Start comparing agencies today and find a team that delivers results in your market. No paid placements.

74 agencies · Avg rating 4.3★ · 1,788 client reviews

## Ranked by review data

Showing 1-30 of 74.

1. [IREH MARKETING 이레마케팅](https://www.pickanagency.com/agencies/ireh-marketing-seoul) - 5.0★ (252 reviews) - Seoul, South Korea - Digital Marketing
2. [Core-A](https://www.pickanagency.com/agencies/core-a-seoul) - 5.0★ (32 reviews) - Seoul, South Korea - Advertising, Digital Marketing
3. [adsland](https://www.pickanagency.com/agencies/adsland-seoul) - 4.9★ (520 reviews) - Seoul, South Korea - Advertising
4. [Eidetic Marketing](https://www.pickanagency.com/agencies/eidetic-marketing-seoul) - 5.0★ (14 reviews) - Seoul, South Korea - Media Buying
5. [Zera Creative - Best SEO Agency in Pakistan](https://www.pickanagency.com/agencies/zera-creative-best-seo-agency-in-pakistan-seoul) - 4.9★ (48 reviews) - Seoul, South Korea - Digital Marketing
6. [Content Studio](https://www.pickanagency.com/agencies/content-studio-seoul) - 5.0★ (5 reviews) - Seoul, South Korea - Media Buying
7. [Seoul Website Design Agency in Korea](https://www.pickanagency.com/agencies/seoul-website-design-agency-in-korea-seoul) - 5.0★ (5 reviews) - Seoul, South Korea
8. [머스트퍼스트(No.1 SEO)](https://www.pickanagency.com/agencies/no-1-seo-seoul) - 5.0★ (4 reviews) - Seoul, South Korea
9. [Seoul Business Agency](https://www.pickanagency.com/agencies/seoul-business-agency-seoul) - 4.9★ (7 reviews) - Seoul, South Korea
10. [안녕옥외광고](https://www.pickanagency.com/agencies/seoul-56) - 5.0★ (2 reviews) - Seoul, South Korea - Advertising
11. [AJ Marketing (Korea)](https://www.pickanagency.com/agencies/aj-marketing-korea-seoul) - 5.0★ (2 reviews) - Seoul, South Korea - Advertising
12. [(주)에스마케팅 커뮤니케이션즈 (S Marketing & Communications)](https://www.pickanagency.com/agencies/s-marketing-communications-seoul) - 5.0★ (2 reviews) - Seoul, South Korea - Digital Marketing
13. [Intercultural Communications](https://www.pickanagency.com/agencies/intercultural-communications-seoul) - 5.0★ (1 review) - Seoul, South Korea
14. [Culture Marketing Company](https://www.pickanagency.com/agencies/culture-marketing-company-seoul) - 5.0★ (1 review) - Seoul, South Korea
15. [Top Seoul, South Korea Business Directory | Get Found with Avalinks - Free Local & Global Listings (KR)](https://www.pickanagency.com/agencies/top-seoul-south-korea-business-directory-get-found-with-avalinks-free-local-global-listings-kr-seoul) - 5.0★ (1 review) - Seoul, South Korea - Advertising, Digital Marketing
16. [TDCX South Korea - Seoul Campus](https://www.pickanagency.com/agencies/tdcx-south-korea-seoul-campus-seoul) - 5.0★ (1 review) - Seoul, South Korea - Advertising
17. [sam seoul](https://www.pickanagency.com/agencies/sam-seoul-seoul) - 5.0★ (1 review) - Seoul, South Korea
18. [Coin Marketing](https://www.pickanagency.com/agencies/coin-marketing-seoul) - 5.0★ (1 review) - Seoul, South Korea - Social Media Marketing
19. [Kworld Media](https://www.pickanagency.com/agencies/kworld-media-seoul) - 5.0★ (1 review) - Seoul, South Korea - Social Media Marketing
20. [IH Digital Korea](https://www.pickanagency.com/agencies/ih-digital-korea-seoul) - 5.0★ (1 review) - Seoul, South Korea - Digital Marketing
21. [매일경제중앙광고센터](https://www.pickanagency.com/agencies/seoul-28) - 5.0★ (1 review) - Seoul, South Korea - Media Buying
22. [Scarlet The Design House](https://www.pickanagency.com/agencies/scarlet-the-design-house-seoul) - 5.0★ (1 review) - Seoul, South Korea - Advertising
23. [comma(콤마)\_Korean Global Marketing Agency](https://www.pickanagency.com/agencies/comma-korean-global-marketing-agency-seoul) - 4.8★ (20 reviews) - Seoul, South Korea - Advertising
24. [SEO Korea](https://www.pickanagency.com/agencies/seo-seo-korea-seo-geo-seoul) - 4.5★ (2 reviews) - Seoul, South Korea - Search Engine Optimization (SEO), Generative Engine Optimization (GEO), Content Strategy
25. [MaaZ Communications Inc.](https://www.pickanagency.com/agencies/maaz-communications-inc-seoul) - 4.0★ (1 review) - Seoul, South Korea
26. [제이커브인터렉티브 | SEO업체](https://www.pickanagency.com/agencies/seo-seoul) - 4.0★ (1 review) - Seoul, South Korea
27. [Web Design Korea](https://www.pickanagency.com/agencies/web-design-korea-seoul) - 4.6★ (5 reviews) - Seoul, South Korea - Advertising
28. [TAB: DMC Korea, events exhibits branding production services in Korea](https://www.pickanagency.com/agencies/tab-dmc-korea-events-exhibits-branding-production-services-in-korea-seoul) - 4.5★ (4 reviews) - Seoul, South Korea - Digital Marketing
29. [Verticurl (a WPP Company) South Korea](https://www.pickanagency.com/agencies/verticurl-a-wpp-company-south-korea-seoul) - 3.0★ (1 review) - Seoul, South Korea - Advertising
30. [데이블(Dable) I Content Discovery & Native Advertising Platform](https://www.pickanagency.com/agencies/dable-i-content-discovery-native-advertising-platform-seoul) - 4.5★ (11 reviews) - Seoul, South Korea - Advertising

## Popular services in Seoul

- [Best Advertising (25 agencies)](https://www.pickanagency.com/best-advertising-agencies/south-korea/seoul)
- [Best Digital Marketing (14 agencies)](https://www.pickanagency.com/best-digital-marketing-agencies/south-korea/seoul)
- [Best Media Buying (6 agencies)](https://www.pickanagency.com/best-media-buying-agencies/south-korea/seoul)
- [Best Social Media Marketing (6 agencies)](https://www.pickanagency.com/best-social-media-marketing-agencies/south-korea/seoul)

## Agencies in other South Korea cities

- [Busan](https://www.pickanagency.com/best-ad-agencies/south-korea/busan)
- [Daegu](https://www.pickanagency.com/best-ad-agencies/south-korea/daegu)

## Frequently asked questions

### How many advertising agencies are in Seoul?

Pick an Agency lists 74 advertising agencies in Seoul, South Korea, with an average rating of 4.3★ across 1,788 reviews. IREH MARKETING 이레마케팅 is currently the top-rated. Compare their reviews, services, and pricing to find the best match for your business.

### What should I look for when hiring an ad agency in Seoul?

Look for agencies with strong client reviews, relevant industry experience, and expertise in the advertising channels you need. Consider their location in Seoul for in-person meetings, and verify their pricing model fits your budget.

### How much do advertising agencies in Seoul charge?

Rates vary by agency size and scope, and most agencies don't publish pricing. Agency profiles on Pick an Agency show a minimum budget when the agency discloses one. Request quotes from multiple Seoul agencies to compare.

### Do I need a local agency in Seoul?

While many agencies work remotely, a local Seoul agency can offer in-person strategy sessions, better understanding of the local market, and easier communication. Consider your needs when choosing between local and remote agencies.

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