# Best Advertising Agencies in South Korea

The advertising landscape in South Korea is competitive, with agencies ranging from boutique specialists to large networks. Explore 48 advertising agencies in South Korea on Pick an Agency, including top-rated Core-A and adsland, with real client feedback covering quality, responsiveness, and ROI. With an average rating of 4.6★, 634 client reviews, you have real data to compare. Compare agencies by rating, specialisation, and pricing to find the right advertising partner in South Korea for 2026. No paid placements.

48 agencies · Avg rating 4.6★ · 634 client reviews

## Ranked by review data

Showing 1-30 of 48.

1. [Core-A](https://www.pickanagency.com/agencies/core-a-seoul) - 5.0★ (32 reviews) - Seoul, South Korea - Advertising, Digital Marketing
2. [adsland](https://www.pickanagency.com/agencies/adsland-seoul) - 4.9★ (520 reviews) - Seoul, South Korea - Advertising
3. [안녕옥외광고](https://www.pickanagency.com/agencies/seoul-56) - 5.0★ (2 reviews) - Seoul, South Korea - Advertising
4. [AJ Marketing (Korea)](https://www.pickanagency.com/agencies/aj-marketing-korea-seoul) - 5.0★ (2 reviews) - Seoul, South Korea - Advertising
5. [TDCX South Korea - Seoul Campus](https://www.pickanagency.com/agencies/tdcx-south-korea-seoul-campus-seoul) - 5.0★ (1 review) - Seoul, South Korea - Advertising
6. [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
7. [대성광고](https://www.pickanagency.com/agencies/daegu-4) - 5.0★ (1 review) - Daegu, South Korea - Advertising
8. [대구 홈페이지 제작 업체 - GS.HN Interactive](https://www.pickanagency.com/agencies/gs-hn-interactive-daegu) - 5.0★ (1 review) - Daegu, South Korea - Advertising
9. [한누리광고](https://www.pickanagency.com/agencies/daegu-18) - 5.0★ (1 review) - Daegu, South Korea - Advertising
10. [월드광고](https://www.pickanagency.com/agencies/daegu-15) - 5.0★ (1 review) - Daegu, South Korea - Advertising
11. [씨케이광고](https://www.pickanagency.com/agencies/daegu-23) - 5.0★ (1 review) - Daegu, South Korea - Advertising
12. [Scarlet The Design House](https://www.pickanagency.com/agencies/scarlet-the-design-house-seoul) - 5.0★ (1 review) - Seoul, South Korea - Advertising
13. [영광광고기획](https://www.pickanagency.com/agencies/busan-14) - 5.0★ (1 review) - Busan, South Korea - Advertising
14. [광고시장](https://www.pickanagency.com/agencies/daegu-22) - 5.0★ (1 review) - Daegu, South Korea - Advertising
15. [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
16. [메디컬광고](https://www.pickanagency.com/agencies/busan-3) - 4.0★ (1 review) - Busan, South Korea - Advertising
17. [Web Design Korea](https://www.pickanagency.com/agencies/web-design-korea-seoul) - 4.6★ (5 reviews) - Seoul, South Korea - Advertising
18. [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
19. [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
20. [Assembly Seoul](https://www.pickanagency.com/agencies/assembly-seoul-seoul) - 3.7★ (6 reviews) - Seoul, South Korea - Advertising
21. [CJ MezzoMedia](https://www.pickanagency.com/agencies/cj-mezzomedia-seoul) - 4.3★ (18 reviews) - Seoul, South Korea - Advertising
22. [Focus Media Korea](https://www.pickanagency.com/agencies/focus-media-korea-seoul) - 2.3★ (6 reviews) - Seoul, South Korea - Advertising
23. [Keystone Marketing Company](https://www.pickanagency.com/agencies/keystone-marketing-company-seoul) - Seoul, South Korea - Advertising
24. [Wieden+Kennedy Seoul](https://www.pickanagency.com/agencies/wieden-kennedy-seoul-seoul) - Seoul, South Korea - Advertising
25. [2ADVANCED - Driving Digital Performance](https://www.pickanagency.com/agencies/2advanced-driving-digital-performance-seoul) - Seoul, South Korea - Advertising
26. [지정게시대 현수막 광고대행](https://www.pickanagency.com/agencies/busan-1) - Busan, South Korea - Advertising
27. [Edge Communications](https://www.pickanagency.com/agencies/edge-communications-seoul) - Seoul, South Korea - Advertising
28. [Karla Otto Seoul](https://www.pickanagency.com/agencies/karla-otto-seoul-seoul) - Seoul, South Korea - Advertising
29. [Access Communication & Consulting Co. Ltd.](https://www.pickanagency.com/agencies/access-communication-consulting-co-ltd-seoul) - Seoul, South Korea - Advertising
30. [Korea Marketing Group](https://www.pickanagency.com/agencies/korea-marketing-group-busan) - Busan, South Korea - Advertising, Digital Marketing

## Advertising agencies by city in South Korea

- [Seoul (25)](https://www.pickanagency.com/best-advertising-agencies/south-korea/seoul)
- [Busan (13)](https://www.pickanagency.com/best-advertising-agencies/south-korea/busan)
- [Daegu (9)](https://www.pickanagency.com/best-advertising-agencies/south-korea/daegu)

## Frequently asked questions

### How many Advertising agencies are in South Korea?

We currently list 48 Advertising agencies in South Korea across 5 cities. Browse their profiles and read verified reviews to find the right fit.

### How do I choose an Advertising agency in South Korea?

Compare agencies based on verified client reviews, campaign results, industry expertise, and pricing. Look for South Korea-based agencies with proven experience in advertising and a track record of strong ROI.

### What does an Advertising agency charge in South Korea?

Pricing varies by scope and agency size, and most agencies don't publish rates. Agency profiles on Pick an Agency show a minimum budget when the agency discloses one. Request quotes from multiple advertising agencies in South Korea to compare.

### Can I work with an Advertising agency in South Korea remotely?

Yes. Most Advertising agencies in South Korea work with remote clients. A local agency gives you time-zone alignment and market knowledge, while remote working is standard across the industry.

### How does Pick an Agency rank advertising agencies in South Korea?

Rankings are computed, never sold. No agency can pay to appear higher, and we take no money from the agencies listed. The default order uses a credibility-weighted score rather than the raw star average: a rating only earns its full weight once there is a real volume of reviews behind it, so a perfect 5.0 built on two or three reviews does not outrank a strong score backed by hundreds. That correction matters, because most agencies in this index sit at or near a perfect 5.0, which makes the star average on its own close to meaningless. [See the full ranking methodology](https://www.pickanagency.com/methodology).

HTML version: https://www.pickanagency.com/best-advertising-agencies/south-korea