Top 100 Digital Marketing Companies in Seoul
The Best of December 2025Looking for a top digital marketing agency in Seoul?
Digital marketing has forever changed how companies attract customers and generate revenue. If you’re considering hiring an online marketing company to help you boost your brand image, position your company in search rankings, or manage your social media presence, we're here to help.
To assist you in your search for a partner, we’ve compiled this list of the top digital marketing companies in Seoul. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best Seoul Online Marketing Agencies
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31$5,000+50 - 249 employeesGangnam-gu, South KoreaIn Los Angeles, California and Shibuya City, Japan, MAKAIO CREATIVE GROUP is an Advertising company. Launched in 2013, the team offers Advertising and Branding.Read More
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32Undisclosed50 - 249 employeesSeoul, South KoreaHahm Partners is a PR firm. They focus on Public Relations and Social Media Marketing and were founded in 2007. The company is in Seoul, South Korea.Read More
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33$5,000+10 - 49 employeesSeocho-gu, South KoreaAD Efficiency, an app development firm, offer Mobile App Development and Search Engine Optimization. They were founded in 2012.Read More
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34Undisclosed1,000 - 9,999 employeesSeocho-gu, South KoreaASATSU-DK KOREA LTD. Is a large Seocho-gu, South Korea-based Advertising company. Their services include Advertising and Content Marketing.Read More
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35Undisclosed10 - 49 employeesJung-gu, South KoreaLocated in Jung-gu, South Korea, OSO is a SEO agency. The team provides Search Engine Optimization and Content Marketing.Read More
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36Undisclosed50 - 249 employeesJung-gu, South KoreaSpringworks is a Digital Strategy company founded in 2010. The team focuses on Digital Strategy and Search Engine Optimization.Read More
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37Undisclosed2 - 9 employeesSungdong-gu, South KoreaHarsest is a branding agency. They specialize in Branding and Email Marketing and were founded in 2014.Read More
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38$1,000+10 - 49 employeesSeongnam-si, South KoreaLeadLynx Korea is a Demand Generation Marketing company. Launched in 2017, the firm is located in Seongnam-si, South Korea. Their team specializes in Demand Generation Marketing and Email Marketing.Read More
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39$1,000+2 - 9 employeesSeoul, South KoreaLinkorea Digital Marketing, a SEO agency, focus on Search Engine Optimization and Market Research. They were founded in 2023.Read More
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40Undisclosed10 - 49 employeesGangnam gu, South KoreaFleishmanHillard is a PR firm. Their small team is located in Gangnam gu, South Korea. Their services include Public Relations and Content Marketing.Read More
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41Undisclosed10 - 49 employeesGangnam-gu, South KoreaAccess Communications & Consulting Co., a public relations agency, was established in 1995. The small team focuses on Public Relations and Search Engine Optimization.Read More
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42Undisclosed10 - 49 employeesSeoul, South KoreaDigiant Global, a small branding company, is located in Beijing, China and Seoul, South Korea. Their services include Branding and Social Media Marketing.Read More
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43Undisclosed1,000 - 9,999 employeesSeoul, South KoreaYello Digital Marketing is a Digital Strategy company. They are based in Seoul, South Korea. Their team provides Digital Strategy and Media Planning & Buying.Read More
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44Undisclosed1,000 - 9,999 employeesGangnam-gu, South KoreaHeadquartered in Gangnam-gu, South Korea, Weber Shandwick (Korea) is a large public relations agency. Their services include Public Relations and Graphic Design.Read More
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45Undisclosed50 - 249 employeesSeongnam-si, South KoreaLaunched in 2006, Trinity BPO is a midsize graphic design company headquartered in Seongnam-si, South Korea. Their team offers Graphic Design and Search Engine Optimization.Read More
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46Undisclosed50 - 249 employeesYoungdeungpogu, South KoreaFEELingK, an application development firm, is headquartered in Youngdeungpogu, South Korea. Their services include Mobile App Development and Social Media Marketing.Read More
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47Undisclosed10 - 49 employeesJung-gu, South KoreaHeadquartered in Jung-gu, South Korea, Korcom Porternovelli is a small public relations firm. The team provides Public Relations and Social Media Marketing.Read More
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48Undisclosed10 - 49 employeesGangnam-gu, South KoreaHumming IMC is a social media marketing agency founded in 2008. In Gangnam-gu, South Korea, the team provides Social Media Marketing and Advertising.Read More
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49$5,000+50 - 249 employeesGANGNAM-GU, South KoreaTK101 Global is a social media marketing firm established in 2012. The team offers Social Media Marketing and Search Engine Optimization.Read More
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50Undisclosed50 - 249 employeesJung-Gu Seoul , South KoreaKPR & Associates, Inc. Is a public relations agency. The firm is in Jung-Gu Seoul , South Korea. Their team provides Public Relations and Social Media Marketing.Read More
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51$5,000+10 - 49 employeesSeocho-gu, South KoreaKeystone Marketing Company is a website development company established in 2010. The team provides Web Development and Content Marketing and is based in Seocho-gu, South Korea.Read More
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52Undisclosed10 - 49 employeesSeocho-gu, South KoreaBriman Communications is a public relations agency. Established in 1999, the company is based in Seocho-gu, South Korea. Their services include Public Relations and Social Media Marketing.Read More
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53Undisclosed10 - 49 employeesGangnam-gu, South KoreaBrodeur Partners is a public relations company. Their small team is in Gangnam-gu, South Korea. Their services include Public Relations and Social Media Marketing.Read More
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54Undisclosed10 - 49 employeesMapo-gu, South KoreaLocated in Mapo-gu, South Korea, MOTZ is an Advertising company. They offer Advertising and Branding and were established in 2007.Read More
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55$5,000+50 - 249 employeesGangnam-gu, South KoreaD major is a Digital Strategy company. They are based in Gangnam-gu, South Korea, and their services include Digital Strategy and Mobile App Development.Read More
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56$5,000+50 - 249 employeesMapo-gu, South KoreaPostVisual is a midsize Mapo-gu, South Korea-based Advertising company. The team offers Advertising and Branding.Read More
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57Undisclosed50 - 249 employeesSeodaemun-gu, South KoreaPR One Co.,ltd is a public relations firm launched in 1993. The firm specializes in Public Relations and Media Planning & Buying, and is midsize.Read More
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58Undisclosed50 - 249 employeesSeoul, South KoreaUDM | URBAN DIGITAL MARKETING is a Market Research company. They provide Market Research and Marketing Strategy and were founded in 2011. The agency is located in Seoul, South Korea.Read More
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59UndisclosedFreelancer employeesSeoul, South KoreaAdvertising company INBRANDSEOUL was launched in 2022. The firm offers Advertising and Branding.Read More
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60Undisclosed2 - 9 employeesMapo-gu, South KoreaAP Communications is a branding agency. Located in Mapo-gu, South Korea, their small team focuses on Branding and Public Relations. The agency was established in 2012.Read More
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