Top 40 SEO Companies in Seoul
The Best of December 2025Looking for a top SEO firm in Seoul?
Compare top-performing SEO agencies to see which may be the best fit for your business goals. Whether you're seeking to improve your ranking in search engine results pages, boost website traffic, or show up in local search results, investing in SEO is important for business growth.
To assist you in your search for a partner, we’ve compiled this list of the top SEO companies in Seoul. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best Seoul SEO Firms
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1$5,000+10 - 49 employeesSeoul, South KoreaRead More
AJ Marketing is a small social media marketing agency. Founded in 2019, the firm is located in Singapore, Singapore; Minato City, Japan; Bangkok, Thailand and Ho Chi Minh City, Vietnam. Their team specializes in social media marketing, advertising, content marketing, mobile & app marketing, and more.
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Microsoft, Adobe, AMD, Mandiri, Genshin Impact, Flare, Bundesliga, MINI, TIkTok, PhilipsIndustries
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2$1,000+10 - 49 employeesSeoul, South KoreaRead More
Founded in 2019, Magister Marketing and Consultancy is a marketing outsourcing company that is headquartered in Hanoi, Vietnam. The core team of under 50 employees offers several services spanning branding, marketing strategy, and digital strategy to small and mid-sized businesses.
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Beetsoft - VietnamIndustries
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3$10,000+2 - 9 employeesseoul, South KoreaRead More
Honest Block is a marketing agency based in Seoul, South Korea, and founded in 2020. With fewer than 10 employees, they offer SEO services, social media marketing, and branding solutions for small and medium-sized businesses, with an expertise in blockchain.
Clients
We-ARIndustries
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4$10,000+10 - 49 employeesSeoul, South KoreaFounded in 2022, Saebyeok Naesi Corp is a small Digital Strategy company. Their team offers Digital Strategy and Marketing Strategy.Read More
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5Undisclosed10 - 49 employeesSeoul, South KoreaCatching Clicks is a SEO services firm. The Singapore, Singapore-based firm was established in 2010. Their services include Search Engine Optimization and Social Media Marketing.Read More
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6$1,000+2 - 9 employeesSeoul, South KoreaSEO services firm LaLaLa World was launched in 2020. Located in Seoul, South Korea, the team focuses on Search Engine Optimization and Digital Strategy.Read More
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7$1,000+10 - 49 employeesSeoul, South KoreaSEO services firm LINQ Korea Digital Marketing was launched in 2018. The team offers Search Engine Optimization and Other Digital Marketing and is based in Seoul, South Korea.Read More
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8$1,000+2 - 9 employeesSeoul, South KoreaInquivix (인퀴빅스), a Conversion Optimization company, is headquartered in Seoul, South Korea. The team offers Conversion Optimization and Pay Per Click.Read More
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9$5,000+10 - 49 employeesSeoul, South KoreaRead More
Comma Entertainment is a creative advertising agency located in Seoul, South Korea. Founded in 2015 and with under 50 employees on board, they provide a wide array of services, the main ones being advertising, branding, social media marketing, and digital strategy. Their clients come from various industries and are mainly mid-market-sized.
Clients
SamsungIndustries
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10$5,000+2 - 9 employeesSeoul, South KoreaPunch Digital Marketing is a Content Marketing company. Established in 2016, the company is based in Seoul, South Korea. Their services include Content Marketing and Pay Per Click.Read More
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11$10,000+10 - 49 employeesGangnam-gu, South KoreaSEO agency MNCS Korea provides Search Engine Optimization and Social Media Marketing. They are based in Gangnam-gu, South Korea and India.Read More
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12$5,000+2 - 9 employeesMAPO-GU, South KoreaBloomstreet, Inc is a SEO agency. Launched in 2014, the company provides Search Engine Optimization and Digital Strategy.Read More
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13$1,000+2 - 9 employeesSeoul , South KoreaBubbleShare is a small Content Marketing company. Founded in 2023, the team specializes in Content Marketing and Search Engine Optimization.Read More
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14$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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15Undisclosed10 - 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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16Undisclosed2 - 9 employeesYongin-si, South KoreaEstablished in 2023, D&K Korea is an Advertising company. The small team specializes in Advertising and Branding.Read More
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17$1,000+50 - 249 employeesSeoul, South KoreaStudio Dreamss™ is an Event Marketing company. The team is headquartered in Seoul, South Korea, and their services include Event Marketing and Social Media Marketing.Read More
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18Undisclosed50 - 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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19Undisclosed50 - 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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20$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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21$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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22Undisclosed10 - 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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23Undisclosed10 - 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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24Undisclosed1,000 - 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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25Undisclosed2 - 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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26Undisclosed2 - 9 employeesGangnam-gu, South KoreaInobean is a small Gangnam-gu, South Korea-based Advertising company. Their services include Advertising and Search Engine Optimization.Read More
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27$5,000+2 - 9 employeesGwangjin-gu, South KoreaCliq Technologies is a graphic design company. Established in 2016, their team specializes in Graphic Design and Mobile App Development.Read More
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28Undisclosed2 - 9 employeesGangnam-gu, South KoreaTONYEPIC is an UX design agency. In Gangnam-gu, South Korea, the company focuses on UX/UI Design and Search Engine Optimization.Read More
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29Undisclosed2 - 9 employeesAnyang, South KoreaIn Anyang, South Korea, GLOim is a small SEO company. The team focuses on Search Engine Optimization and Advertising.Read More
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30$1,000+2 - 9 employeesGangnam-gu, South KoreaInterAd is a small Gangnam-gu, South Korea-based SEO company. The team offers Search Engine Optimization and Pay Per Click.Read More
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