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Top Search Engine Marketing Services in South Korea

Ratings Updated: October 27, 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

    4.9 369 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 comprehensive digital marketing agency specializing in SEO, search engine marketing, and website optimization to boost online visibility and organic search performance. Across reviews, 90% highlight their success in increasing website traffic and sales. Clients commend their consistent communication and timely delivery, with approximately 85% mentioning the team's responsiveness and creative solutions in enhancing digital visibility.

    See all 369 projects
    10 of 10 reviews are 5 stars
    5 new reviews for Search Engine Optimization services
    Less than $10,000 avg. project cost

    Reviewed 10 times in the past 6 months

    SmartSites has received overwhelmingly positive feedback over the last six months, with clients praising its responsiveness, creativity, and effective project management. For instance, one client noted a 90% increase in site traffic and a 50% rise in sales due to SmartSites' SEO and social media strategies. Others highlighted the team's dedication and ability to deliver on time, with one CEO expressing that SmartSites feels like an integral part of their team. Overall, clients report significant improvements in lead generation and online visibility, with no major areas for improvement identified.
    Read 10 Recent Reviews

    Average Project Cost Breakdown

    $10,000 to $49,000 (91) Less than $10,000 (85) $50,000 to $199,999 (27) $200,000 to $999,999 (6) $1,000,000 to $9,999,999 (3) $10,000,000 + (2)

    What Clients Have Said

    SmartSites has received positive feedback regarding its cost and value for money from clients. Many reviews highlight the company's ability to deliver effective results within budget constraints. For instance, a client noted that SmartSites provided excellent value for the cost, leading to increased traffic and conversions. Another client emphasized that their investment resulted in significant improvements in ROAS and sales. Overall, clients appreciate SmartSites' responsiveness and dedication to achieving their business goals, often feeling they receive more than expected for their investment.
    Read All Reviews

    View projects from:

    United States (278) 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)
    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 Timely

    AJ Marketing has garnered positive feedback regarding their timeliness and communication. Clients consistently noted that all deadlines were met efficiently, with one reviewer stating, "All the deadlines were met and the way they suggest influencers are very fast." Another client emphasized, "Everything is fast-executed," highlighting the agency's ability to deliver results promptly. Overall, the sentiment surrounding their timeliness is overwhelmingly positive, with no significant complaints noted.
    • PR & Awareness Campaign for Vehicle Inspection Company
      5.0 Jun 28, 2022

      AJ Marketing works very fast. Usually, with other agencies, it could take longer than a month to plan a campaign.

      Read Full Review
    • Facebook & LinkedIn Ads for Digital Services Company
      5.0 Mar 15, 2022

      AJ Marketing is very considerate of small details and deadlines. We also have regular meetings.

      Read Full Review
    • SEO & Content Creation for IT Services Company
      5.0 Mar 14, 2022

      Very effective. AJ Marketing made sure everything is based on the agreed timeline.

      Read Full Review
    • Social Media Marketing for Private Healthcare Facility
      5.0 Feb 7, 2022

      AJ Marketing made sure everything is based on timeline. They also always wait for our approval before publishing everything.

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

      All ordered videos were released on time.

      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)
    View Profile Visit Website
  • 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
  • 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
  • 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
  • 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

    4.5/40.0
    0/20 Reviews
    0/10 Clients & Experience
    4.5/10 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

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

    Service focus

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

    Bloomstreet, Inc

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

    Ability to deliver

    3/40.0
    0/20 Reviews
    0/10 Clients & Experience
    3/10 Market Presence

    Service focus

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

    Undernamu Corp.

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

    Ability to deliver

    3.7/40.0
    0/20 Reviews
    0/10 Clients & Experience
    3.7/10 Market Presence

    Service focus

    25% Search Engine Optimization
    10% Pay Per Click
    65% Other
    View Profile Visit Website
  6. AJ Marketing Logotype

    AJ Marketing

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

    Ability to deliver

    30.8/40.0
    16.6/20 Reviews
    10/10 Clients & Experience
    4.2/10 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

    3.7/40.0
    0/20 Reviews
    0/10 Clients & Experience
    3.7/10 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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