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Top Search Engine Marketing Services in South Korea

Ratings Updated: October 5, 2026
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8 Companies

Country: South Korea

List of the Top South Korea SEM Service Providers

  • Featured

    What are Featured Providers?

    SmartSites Logotype

    SmartSites

    4.9 368 reviews
    Premier Verified
    $1,000+
    $100 - $149 / hr
    250 - 999
    Serves South Korea

    Services provided

    50% Search Engine Optimization
    30% Pay Per Click
    10% Advertising +1 service
    10% Social Media Marketing

    SmartSites is a digital marketing agency offering comprehensive SEO services, search engine marketing, and website optimization to enhance digital visibility and website ranking for businesses across various industries. With 100% positive feedback from clients, common themes include effective SEO strategies resulting in significant traffic growth, responsive communication, and timely delivery of services. Approximately 70% of reviewers highlight their exceptional customer service and commitment to client success.

    See all 368 projects

    Reviews mention Detail-oriented

    SmartSites has received overwhelmingly positive feedback regarding its detail-oriented approach. Clients consistently highlight the meticulous attention to detail in project management and deliverables, with specific praise for customized optimization strategies and thorough communication. For instance, one client emphasized the 'tailored budget-increase vs. ROAS & cost spreadsheet' that enhanced decision-making. Another noted the 'exceptional leadership, creativity, and dedication' of their project manager. Overall, SmartSites is recognized for its organized and precise execution, contributing significantly to clients' success.
    • Web Design, Marketing & SEO for Managed Services Provider
      5.0 Sep 10, 2024

      The team is extremely thorough and efficient. The attention to detail that is provided to my account is impressive. None

      Read Full Review
    • PPC Services for Optometry Center
      5.0 Aug 22, 2024

      David, our PPC analyst at SmartSites, always goes the extra mile. They've created effective campaigns that have boosted our business, and I appreciate their quick responses and attention to detail. Knowledge and attention to detail.

      Read Full Review
    • SEO & Website Optimization for Marketing Agency Broker
      5.0 Aug 20, 2024

      Ryan was incredibly responsive to all my follow-up questions, which gave us a great sense of confidence in their approach. Their attention to detail and commitment to delivering on time has made the entire process smooth and effective.

      Read Full Review
    • PPC Services for Geospatial Hardware & Software Firm
      4.5 Mar 27, 2024

      Issah N was very engaged from the beginning of the project, detail-oriented, and responded quickly to requests and implementations. We're impressed with their responsiveness and ability to meet deadlines.

      Read Full Review
    • Google Ads Support for Private Investigation Services Co
      4.5 Nov 20, 2023

      SmartSites has been very instrumental in helping us navigate the complexities of online marketing. They have been diligent, precise, and detail-oriented when working to resolve issues with our pay-per-click ads.

      Read Full Review
    Read All Reviews
    124 of 140 Search Engine Optimization reviews are 5 stars
    5 new reviews for Search Engine Optimization in past 6 months
    $50,000 – $199,999 avg. project cost

    Search Engine Optimization PROJECT HIGHLIGHT

    SEO & Web Dev for Hospitality & Architectural Design Firm

    5.0 — SmartSites provides SEO and web development services for a hospitality and architectural design firm. The team is also responsible for competitor research, keyword strategy, and technical auditing. Read more
    Read 140 Reviews

    View projects from:

    United States (277) Canada (3) Bangladesh (1) Germany (1) India (1) Mexico (1) Poland (1) Puerto Rico (1) Switzerland (1)

    This provider is fluent in 2 languages:

    • English
    • Spanish

    This provider is available in 1 time zone:

    • Eastern Standard Time (EST)
    $2,600 $3,900 $5,200

    Build a foundation of growth with 💡 SEO services

    We generate millions of visitors and sales monthly through organic search. Read what businesses like you have said in our over 1,000 5 star reviews online. Call ☎️ 201-870-6000 for a free consultation.
    View Packages
    View Profile Visit Website
  • AJ Marketing Logotype

    5.0 33 reviews
    Premier Verified
    $5,000+
    $25 - $49 / hr
    10 - 49
    Seoul, South Korea

    Services provided

    10% Search Engine Optimization
    10% Advertising
    10% Branding +7 services
    10% Content Marketing
    10% Digital Strategy
    10% Media Planning & Buying
    10% Pay Per Click
    10% Public Relations
    10% Social Media Marketing
    10% Video Production

    AJ Marketing is a digital marketing agency specializing in SEO and Search Engine Marketing, offering services such as Online Visibility and Digital Visibility Enhancement. With a notable track record, 100% of reviewers commend their impeccable execution and effective workflow. The agency has significantly increased conversion rates and audience reach, achieving results like a billion impressions and enhanced brand awareness.

    See all 33 projects

    Reviews mention Professional

    AJ Marketing has garnered positive feedback for their professionalism, characterized by effective communication and expert consultation. Clients praised the team's diligent approach, noting their strong understanding of market trends and ability to manage influencer campaigns efficiently. Instances of clients highlighting the team's friendly yet professional collaboration and quick responses to inquiries reflect a high level of satisfaction. Overall, the sentiment regarding professionalism is overwhelmingly positive, with clients expressing confidence in AJ Marketing's capabilities.
    • PR & Influencer Marketing for Web Design Company
      5.0 Feb 1, 2022

      Highly effective. It was an entirely friendly but professional collaboration. Team is highly knowledgeable and expert in all segments of digital marketing, designing and influencer marketing.

      Read Full Review
    • Social Media Marketing for Digital Services Provider
      5.0 Jan 24, 2022

      They had a highly professional team that worked diligently to provide the best services. They totally know what they were doing and understand the target market trends. Their key strength is providing professional consulting services to their clients.

      Read Full Review
    • Social Media Marketing for Media Company
      5.0 May 3, 2021

      Unlike other marketing agencies, AJ Marketing really put a lot of effort in my campaign as if it’s their campaign. They totally know what they were doing and understand Korea market trend. Providing professional consulting services is one of their strengths in the workflow.

      Read Full Review
    • YouTube Promotion for Gaming Company
      5.0 Apr 23, 2021

      Every aspect of communication and project management seems flawless. I was provided with all the necessary information in a short time. Knowledge about Asian markets is definitely the strength of AJ Marketing. They give professional advice in terms of customer behavior and preferences.

      Read Full Review
    Read All Reviews
    3 of 3 Search Engine Optimization reviews are 5 stars
    $10,000 – $49,000 avg. project cost

    Search Engine Optimization PROJECT HIGHLIGHT

    SEO, PPC & Translation for Content-Sharing Platform

    5.0 — AJ Marketing provided SEO services for a content-sharing platform. Their services included keyword optimization, creating content, writing captions, moderating tags, and reviewing titles. Read more
    Read 3 Reviews

    Average Project Cost Breakdown

    $10,000 to $49,000 (18) Less than $10,000 (3)

    What Clients Have Said

    Clients consistently praise AJ Marketing for delivering high-quality services at competitive prices, often highlighting that their pricing aligns well with budgets. For instance, one client noted, "Pricing fit our budget," while another emphasized, "Good value for cost." Overall sentiment reflects satisfaction with the value received, as clients report significant ROI and successful outcomes from campaigns, indicating that AJ Marketing provides excellent value for money.
    Read All Reviews

    Seoul, South Korea

    145 Dosan-daero, Gangnam-gu
    Seoul, South Korea 135-120

    2 - 5

    See All Locations (10)
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  • Punch Digital Marketing Logotype

    Not yet reviewed

    Verified
    $5,000+
    $100 - $149 / hr
    2 - 9
    Seoul, South Korea

    Services provided

    20% Search Engine Optimization
    20% Content Marketing
    20% Pay Per Click +3 services
    20% Social Media Marketing
    10% Digital Strategy
    10% Web Development

    Punch 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
    View Profile Visit Website
  • Bloomstreet, Inc Logotype

    Not yet reviewed

    Verified
    $5,000+
    $100 - $149 / hr
    2 - 9
    MAPO-GU, South Korea

    Services provided

    30% Search Engine Optimization
    20% Conversion Optimization
    20% Digital Strategy +3 services
    10% Content Marketing
    10% Pay Per Click
    10% UX/UI Design

    Bloomstreet, Inc is a SEO agency. Launched in 2014, the company provides Search Engine Optimization and Digital Strategy.

    Read more

    MAPO-GU, South Korea

    A14F MAPOTRAPALACE, MAPO-DAERO 53
    MAPO-GU, South Korea 121-040

    2 - 5

    See All Locations (2)
    View Profile Visit Website

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  • Inquivix (인퀴빅스) Logotype

    Not yet reviewed

    $1,000+
    $50 - $99 / hr
    2 - 9
    Seoul, South Korea

    Services provided

    20% Search Engine Optimization
    20% Conversion Optimization
    20% Pay Per Click +5 services
    20% Social Media Marketing
    5% Content Marketing
    5% Digital Strategy
    5% Email Marketing
    5% Web Design

    Inquivix (인퀴빅스), a Conversion Optimization company, is headquartered in Seoul, South Korea. The team offers Conversion Optimization and Pay Per Click.

    Read more

    More responsive than most other service providers

    Inquivix (인퀴빅스) is very responsive

    They are a great candidate to start a conversation with. Send them a short message or project inquiry.
    Get in Touch
    View Profile
  • Undernamu Corp. Logotype

    Not yet reviewed

    $1,000+
    $50 - $99 / hr
    2 - 9
    Daejeon, South Korea

    Services provided

    25% Search Engine Optimization
    25% Content Marketing
    20% Branding +3 services
    10% Advertising
    10% Market Research
    10% Pay Per Click

    Undernamu Corp. Is a Content Marketing company. They are located in Daejeon, South Korea, and their services include Content Marketing and Search Engine Optimization.

    Read more
    View Profile
  • Yello Digital Marketing Logotype

    Not yet reviewed

    Undisclosed
    Undisclosed
    1,000 - 9,999
    Seoul, South Korea

    Services provided

    10% Search Engine Optimization
    20% Digital Strategy
    20% Media Planning & Buying +4 services
    20% Video Production
    10% Pay Per Click
    10% UX/UI Design
    10% Web Development

    Yello 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
    View Profile
  • TK101 Global Logotype

    Not yet reviewed

    $5,000+
    $100 - $149 / hr
    50 - 249
    GANGNAM-GU, South Korea

    Services provided

    20% Search Engine Optimization
    20% Mobile App Development
    20% Pay Per Click +2 services
    20% Social Media Marketing
    20% Web Development

    TK101 Global is a social media marketing firm established in 2012. The team offers Social Media Marketing and Search Engine Optimization.

    Read more
    View Profile
  • InterAd Logotype

    Not yet reviewed

    $1,000+
    < $25 / hr
    2 - 9
    Gangnam-gu, South Korea

    Services provided

    50% Search Engine Optimization
    25% Pay Per Click
    25% Social Media Marketing

    InterAd is a small Gangnam-gu, South Korea-based SEO company. The team offers Search Engine Optimization and Pay Per Click.

    Read more
    View Profile

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List of the Top South Korea SEM Service Providers

  1. Inquivix (인퀴빅스) Logotype

    Inquivix (인퀴빅스)

    $1,000+
    $50 - $99 / hr
    2 - 9
    Seoul, South Korea

    Ability to deliver

    6/40.0
    0/20 Reviews
    0/10 Clients & Experience
    6/10 Market Presence

    Service focus

    20% Search Engine Optimization
    20% Pay Per Click
    60% Other
    View Profile Visit Website
  2. Punch Digital Marketing Logotype

    Punch Digital Marketing

    $5,000+
    $100 - $149 / hr
    2 - 9
    Seoul, South Korea

    Ability to deliver

    5.3/40.0
    0/20 Reviews
    0/10 Clients & Experience
    5.3/10 Market Presence

    Service focus

    20% Search Engine Optimization
    20% Pay Per Click
    60% Other
    View Profile Visit Website
  3. Bloomstreet, Inc Logotype

    Bloomstreet, Inc

    $5,000+
    $100 - $149 / hr
    2 - 9
    MAPO-GU, South Korea

    Ability to deliver

    4/40.0
    0/20 Reviews
    0/10 Clients & Experience
    4/10 Market Presence

    Service focus

    30% Search Engine Optimization
    10% Pay Per Click
    60% Other
    View Profile Visit Website
  4. Undernamu Corp. Logotype

    Undernamu Corp.

    $1,000+
    $50 - $99 / hr
    2 - 9
    Daejeon, South Korea

    Ability to deliver

    4.9/40.0
    0/20 Reviews
    0/10 Clients & Experience
    4.9/10 Market Presence

    Service focus

    25% Search Engine Optimization
    10% Pay Per Click
    65% Other
    View Profile Visit Website
  5. Yello Digital Marketing Logotype

    Yello Digital Marketing

    Undisclosed
    Undisclosed
    1,000 - 9,999
    Seoul, South Korea

    Ability to deliver

    0/40.0
    0/20 Reviews
    0/10 Clients & Experience
    0/10 Market Presence

    Service focus

    10% Search Engine Optimization
    10% Pay Per Click
    80% Other
    View Profile Visit Website
  6. AJ Marketing Logotype

    AJ Marketing

    $5,000+
    $25 - $49 / hr
    10 - 49
    Seoul, South Korea

    Ability to deliver

    34.7/40.0
    16.6/20 Reviews
    10/10 Clients & Experience
    8.1/10 Market Presence

    Service focus

    10% Search Engine Optimization
    10% Pay Per Click
    80% Other
    View Profile Visit Website
  7. TK101 Global Logotype

    TK101 Global

    $5,000+
    $100 - $149 / hr
    50 - 249
    GANGNAM-GU, South Korea

    Ability to deliver

    4.9/40.0
    0/20 Reviews
    0/10 Clients & Experience
    4.9/10 Market Presence

    Service focus

    20% Search Engine Optimization
    20% Pay Per Click
    60% Other
    View Profile Visit Website
  8. InterAd Logotype

    InterAd

    $1,000+
    < $25 / hr
    2 - 9
    Gangnam-gu, South Korea

    Ability to deliver

    0/40.0
    0/20 Reviews
    0/10 Clients & Experience
    0/10 Market Presence

    Service focus

    50% Search Engine Optimization
    25% Pay Per Click
    25% Other
    View Profile Visit Website

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