Top SEO Agencies in South Korea

Researched by:Goodfirms Research TeamUpdated:November 5, 2026

Goodfirms has reviewed 29 SEO Agencies in South Korea as of November 2026. The top-ranked firm is Inquivix (5.0 stars, 2 verified reviews, $200 - $300/hr, founded 2018, Seoul). Across the category, the median hourly rate is $37, median client rating is 5, and 10% of firms employ 50+ members. Explore the vetted SEO Agencies in South Korea companies below, compare their strengths, and connect with the provider best suited to your requirements.

Are you searching for a sophisticated SEO services provider in East Asia? If you are, look at Goodfirms' prepared list of Top SEO Firms from South Korea, which is accompanied by service details and client reviews. To increase your website's organic visibility across search engines, businesses need to do more than target keywords; it includes image search optimization, video optimization, academic search, etc. While outsourcing SEO services required by your project is advisable, one should be careful while searching, assessing, and choosing the best-fitted SEO agency. Thus, Goodfirms presents some of the best SEO companies from South Korea, which would aid your search efforts.

Goodfirms has verified 29 SEO Agencies in South Korea - part of 36,227+ SEO 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.

Rank
Company
Rating
Reviews
Hourly Rate
Team Size
Founded
Location
Action

List of Top South Korea SEO Companies & Service Providers

Find a SEO Company Near you
Find a SEO Company Near you
Service
Hourly Rate
Employees
ReviewsAll Companies
Industry
Client Type
  • Inquivix is Asia's leading digital marketing agency.We craft and deliver tailor-made digital marketing solutions to suit all your business needs and help drive traffic, engagement, visibility, and ranking on the SERPs, ultimately leading to business growth. Our team of experts can help you establish your ... read Inquivix reviews & insights

    Inquivix is Asia's leading digital marketing agency.We craft and deliver tailor-made digital marketing solutions to ... read Inquivix reviews & insights

    $200 - $300/hr
    10 - 49
    2018
    Seoul, South Korea
    Awesome Pro Agency - Lenzo
  • We have tangible results (significantly increase revenue, 1st page / result in Google and Naver) advertising in search engines, writing blog articles, optimizing for higher rankings and promotion in social media with our creative and customized strategies for startups to stock listed Fortune 500 companies (high tech, tourism, education). We can help amplifying your story. ... read Nitaro Digital Marketing reviews & insights

    We have tangible results (significantly increase revenue, 1st page / result in Google and Naver) ... read Nitaro Digital Marketing reviews & insights

    $100 - $149/hr
    2 - 9
    2016
    Seoul, South Korea
  • Waterbe is an End to End Korean mareketing partner that helps forien brands thrive in the Korean market.

    Waterbe is an End to End Korean mareketing partner that helps forien brands thrive in ... read Waterbe marketing reviews & insights

    $100 - $149/hr
    10 - 49
    2020
    Seoul, South Korea
    Professional, responsive, fast and flexible. They've done a great job - Gloria Anderson
  • Using AI Tools

    • ClaudeClaude

    Ventrix is a search marketing agency in Daejeon, Korea. We manage Google Business Profiles, website SEO and AI search visibility (AEO and GEO) for clinics, restaurants and local businesses, so that customers find them first on Google Maps, Google Search and AI answers. Every report is backed by live screenshots of map rankings, search clicks ... read Ventrix reviews & insights

    Ventrix is a search marketing agency in Daejeon, Korea. We manage Google Business Profiles, website ... read Ventrix reviews & insights

    NA
    2 - 9
    2026
    Daejeon, South Korea

    Why Ventrix?

    • Google Business Profile management
    • Website SEO and AI search visibility
    • Reports backed by live ranking screenshots
  • Using AI Tools

    • ClaudeClaude

    ONON STUDIO is a Korean web and search studio that helps businesses get found - on Google, on Naver, and inside AI answers from ChatGPT, Gemini, Perplexity and Google AI Overviews. What we do: company websites built for search (from a one-page site to 10-page corporate sites), Google SEO setup and monthly care, Google Ads ... read ONON STUDIO reviews & insights

    ONON STUDIO is a Korean web and search studio that helps businesses get found - ... read ONON STUDIO reviews & insights

    $50 - $99/hr
    2 - 9
    2024
    Busan, South Korea

    Why ONON STUDIO?

    • We publish our measurement questions and results
    • We fix the site, not just report on it
    • Google and Naver and AI search in one team
  • Using AI Tools

    • ChatGPTChatGPT
    • GeminiGemini
    • ClaudeClaude
    • PerplexityPerplexity

    OpenTime (legal name PK Communications) is a Busan, South Korea–based digital marketing firm specializing in K-GEO — Korean Generative Engine Optimization. We help professional-service businesses (medical, legal, tax, accounting, education, real estate, construction, beauty) get cited in AI-generated search answers from ChatGPT, Perplexity, Gemini, and Grok. Our free 30-second diagnostic scores a website's AI-search visibility ... read Opentime reviews & insights

    OpenTime (legal name PK Communications) is a Busan, South Korea–based digital marketing firm specializing in ... read Opentime reviews & insights

    $25 - $49/hr
    2 - 9
    2023
    Busan, South Korea

    Why Opentime?

    • Get cited by AI search, not just ranked
    • Free 30 second AI visibility diagnostic
    • K-GEO experts with 5 years of SEO
  • Welcome to LINQ Korea, where we specialize in helping international brands succeed in the Korean market. Our team of experienced professionals is dedicated to delivering customized solutions that meet your unique needs and goals.

    Welcome to LINQ Korea, where we specialize in helping international brands succeed in the Korean ... read LINQ KOREA reviews & insights

    NA
    2 - 9
    Seoul, South Korea
  • BubbleShare addresses every challenge you might face when entering new markets to expand your business. We provide strategies to help you understand new audiences, integrate local data, and effectively execute content marketing campaigns for on-site (website) and off-site(SNS platforms, local blog & community channels, news article platforms, etc.) SEO. With BubbleShare, you can easily and ... read BubbleShare reviews & insights

    BubbleShare addresses every challenge you might face when entering new markets to expand your business. ... read BubbleShare reviews & insights

    $25 - $49/hr
    2 - 9
    2023
    Seoul, South Korea
  • D&K Korea (DNK Korea) is a marketing strategy company specializing in blog marketing, SEO optimization, and viral strategies to enhance brand search visibility and drive sales conversions. Established in 2019, they have completed over 13,000 projects and boast a 100% customer satisfaction rate, 100% work adherence rate, and a 95% re-contract rate. Their expertise spans ... read D&K Korea reviews & insights

    D&K Korea (DNK Korea) is a marketing strategy company specializing in blog marketing, SEO optimization, ... read D&K Korea reviews & insights

    $50 - $99/hr
    2 - 9
    2020
    Yongin, South Korea
  • Using AI Tools

    • ClaudeClaude

    Zenith Media Partners is a Korea-based agency that designs the path a customer takes from search to purchase, then builds it: planning, development, marketing and design under one roof. We have delivered business plans, market research reports, online channel setups, product detail pages and Naver Place (local map) management for Korean businesses. Our research work ... read Zenith Media Partners reviews & insights

    Zenith Media Partners is a Korea-based agency that designs the path a customer takes from ... read Zenith Media Partners reviews & insights

    $25 - $49/hr
    2 - 9
    2024
    Hwaseong-si, South Korea

    Why Zenith Media Partners?

    • Scope and revisions agreed in writing first
    • Every figure in our reports carries its source
    • Planning, build, marketing, design under one roof
  • DIGITAL MARKETING IN CHINA AND KOREA GUARANTEED FIRST PAGE EXPOSURE ON BAIDU, NAVER, AND YOUTUBE SEARCH ENGINES We create better content – you get better results. TK101 Global is a digital marketing company who specializes in Chinese and Korean SEO. We’ve worked with small and medium companies to multinational corporations. Our team will work around ... read TK101 Global reviews & insights

    DIGITAL MARKETING IN CHINA AND KOREA GUARANTEED FIRST PAGE EXPOSURE ON BAIDU, NAVER, AND YOUTUBE ... read TK101 Global reviews & insights

    $25 - $49/hr
    50 - 249
    2011
    Seoul, South Korea
  • A digital-first company in existence since 2014 in Korea, BlueOrange Communications has helped thousands of businesses flourish and achieve their true potential during this time. A humble, yet highly ambitious company, BlueOrange Communications prides itself in its ability to support businesses from start-ups to large multinationals, providing the same professional, unwavering support for all. We ... read BlueOrange Communications reviews & insights

    A digital-first company in existence since 2014 in Korea, BlueOrange Communications has helped thousands of ... read BlueOrange Communications reviews & insights

    $100 - $149/hr
    50 - 249
    2014
    Seoul, South Korea
  • TALENTism | Korea Market Entry & Digital Growth Partner Founded in 2014, TALENTism empowers global brands to enter, grow, and thrive in the Korean market through localized strategy and digital innovation. We combine deep market insight, data-driven marketing, and a strong local network to help businesses turn opportunities into long-term success in Korea. Our core ... read TALENTism reviews & insights

    TALENTism | Korea Market Entry & Digital Growth Partner Founded in 2014, TALENTism empowers global ... read TALENTism reviews & insights

    $25 - $49/hr
    2 - 9
    2014
    Seoul, South Korea
  • Linkorea Marketing helps international B2B companies build a sustainable presence in Korea through market-specific strategy and execution, not volume-driven marketing. We work primarily with B2B SaaS and industrial companies, where success in Korea depends on understanding how local buyers assess risk, credibility, and long-term value. With over seven years of hands-on experience in the Korean ... read Linkorea Digital Marketing reviews & insights

    Linkorea Marketing helps international B2B companies build a sustainable presence in Korea through market-specific strategy ... read Linkorea Digital Marketing reviews & insights

    $100 - $149/hr
    2 - 9
    2023
    Seoul, South Korea
  • 2ADVANCED, Global digital performance consulting service including search, display, analytics and data integration. Rich experience in global top brands for digital marketing and well understands not just Korean marketing but also global digital marketing.What We Do Prove as a result, not a reason.SEARCH MARKETING - SEO & PPCAccording to Forrester Research in the US, search ... read 2ADVANCED reviews & insights

    2ADVANCED, Global digital performance consulting service including search, display, analytics and data integration. Rich experience ... read 2ADVANCED reviews & insights

    $25 - $49/hr
    2 - 9
    2017
    Seoul, South Korea
  • Asiance is the first Brandtech partner in Asia. Brandtech is an advanced model of Digital Agency based in Seoul and Tokyo. We provide innovative digital transformation and experience services for end-to-end journeys by fusing technology with creativity. Having experience in the Asian digital marketing industry for more than 20 years now, we have worked with ... read Asiance reviews & insights

    Asiance is the first Brandtech partner in Asia. Brandtech is an advanced model of Digital ... read Asiance reviews & insights

    $25 - $49/hr
    10 - 49
    2004
    Seoul, South Korea
  • MNCS Korea covers digital marketing, marketing research, competitive intelligence and consulting service to achieve your business goals and conducts quality control to ensure the best possible results. MNCS Korea also provides cutting-edge marketing services using our solution kont3xt for the corporations operating in Korea and Asia, which require fast and flexible approaches to various and ... read MNCS Korea reviews & insights

    MNCS Korea covers digital marketing, marketing research, competitive intelligence and consulting service to achieve your ... read MNCS Korea reviews & insights

    NA
    10 - 49
    2012
    Seoul, South Korea
  • Creatip is the leading independent digital marketing agency based in Korea, offering the full range of digital marketing services, especially to global brands planning to expand their business into the Korean market. With over 14 years of experience, we have achieved outstanding performance for our clients in diverse industries such as travel, fashion, beauty, IT, ... read Creatip global reviews & insights

    Creatip is the leading independent digital marketing agency based in Korea, offering the full range ... read Creatip global reviews & insights

    NA
    50 - 249
    2008
    Seoul, South Korea
  • Intercultural Communication, ICC, is a Korean Digital Marketing Agency run by experts in website design, digital marketing, SEO, and social media management. With many years of experience in online marketing, we are able to develop the ideal marketing mix for customers. Our clients' advertising budget gets the best results possible no matter what the scale. ... read Intercultural Communtications Inc. reviews & insights

    Intercultural Communication, ICC, is a Korean Digital Marketing Agency run by experts in website design, ... read Intercultural Communtications Inc. reviews & insights

    NA
    2 - 9
    2008
    Goyang, South Korea
  • KOREA MTS LTD is a strategic and comprehensive company with rich experience in a wide array of business verticals ranging for IT and Medical Tourism. This company based in South Korea.We Are a promising company that helps to connect the target consumers online and develop marketing plans and implementation in the e-market in the area ... read Korea Mts Ltd reviews & insights

    KOREA MTS LTD is a strategic and comprehensive company with rich experience in a wide ... read Korea Mts Ltd reviews & insights

    NA
    2 - 9
    2002
    Seoul, South Korea
  • Just 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

    Just like a punch line, digital marketing is all about having a storyline, knowing the ... read Punch Digital Marketing reviews & insights

    $100 - $149/hr
    2 - 9
    2016
    Seoul, South Korea
  • Using AI Tools

    • ClaudeClaude

    Content marketing that leads to clinic visits, not just views. 200PRO Advertising Agency implements medical marketing that reduces information asymmetry for patients.

    Content marketing that leads to clinic visits, not just views. 200PRO Advertising Agency implements medical ... read 200pro광고회사 reviews & insights

    NA
    2 - 9
    2024
    Seoul, South Korea

    Why 200pro광고회사?

    • Provide proven hospital expertise and information
    • Customer customized smooth communication
    • Deliver high quality content
  • Using AI Tools

    • ChatGPTChatGPT
    • ClaudeClaude
    • GeminiGemini

    Neketing is a marketing agency in Songpa-gu, Seoul, founded in December 2020 and run directly by its founder, Jong Hoon Jin. We have worked with 100+ small and mid-sized businesses in Korea, including interior contractors, clinics, tax and law offices, local stores and e-commerce brands, with a 91% client renewal rate.Services: brand blog operation on ... read Neketing reviews & insights

    Neketing is a marketing agency in Songpa-gu, Seoul, founded in December 2020 and run directly ... read Neketing reviews & insights

    $25 - $49/hr
    Freelancer
    2020
    Seoul, South Korea

    Why Neketing?

    • The founder personally runs every account
    • 91 percent of clients renew with us
    • We report inquiries and cost per inquiry
  • We are experts in multilingual website design. Web Design Korea also builds great e-commerce websites that can offer multiple currencies, including Korean Won. Our websites are lightning fast and user-friendly no matter where people are when they visit the web – whether in Korea or anywhere else in the world.

    We are experts in multilingual website design. Web Design Korea also builds great e-commerce websites ... read Web Design Korea reviews & insights

    $100 - $149/hr
    2 - 9
    2008
    Seoul, South Korea
  • We have been striving for digital creativity that is so complete that we can inspire everyone on digital. The results so far are very important and meaningful, but we will not be comfortable here. We are the ones who seek the best digital flexibility and the highest perfection, and we think it depends on where ... read D.FY Seoul reviews & insights

    We have been striving for digital creativity that is so complete that we can inspire ... read D.FY Seoul reviews & insights

    $50 - $99/hr
    10 - 49
    2014
    Seoul, South Korea
  • With 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

    With the expertise of the award-winning digital marketer and strategist, HY Marketing agency owner Hyein ... read Hyein Yoon reviews & insights

    NA
    10 - 49
    Seoul, South Korea
  • DISRUPT is a Seoul-based global marketing agency combining deep strategy, bold creative, and data-first execution. The agency helps brands scale internationally through unconventional approaches and performance-driven systems. Specializing in performance marketing, Amazon marketplace growth, Shopify D2C infrastructure, influencer campaigns, and platform-native content across Meta, TikTok, Google, and YouTube, DISRUPT brings a sharp focus on outcomes ... read Disrupt reviews & insights

    DISRUPT is a Seoul-based global marketing agency combining deep strategy, bold creative, and data-first execution. ... read Disrupt reviews & insights

    $150 - $199/hr
    10 - 49
    2022
    Seoul, South Korea
  • Using AI Tools

    • ChatGPTChatGPT
    • GeminiGemini
    • ClaudeClaude

    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

    Oneplan Marketing is a data-driven AI marketing agency founded in 2019 and headquartered in Dongjak-gu, ... read oneplan marketing reviews & insights

    $50 - $99/hr
    2 - 9
    2019
    Seoul, South Korea

    Why oneplan marketing?

    • All In-House Operation No Outsourcing
    • Korea's Pioneer in GEO
    • Proven Results Across 200 Brands
  • We’re a multidisciplinary design agency based in Korea, specializing in web design, UI/UX, digital branding, and content production. Since 2018, we’ve partnered with public institutions and private companies to create user-centered websites, distinctive brand identities, and engaging video content. Our 13-member team spans strategy, design, development, and digital marketing — providing end-to-end creative solutions. With ... read LEESEEDX reviews & insights

    We’re a multidisciplinary design agency based in Korea, specializing in web design, UI/UX, digital branding, ... read LEESEEDX reviews & insights

    NA
    10 - 49
    2018
    Seoul, South Korea

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