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Home SEM South Korea Seoul

Top Search Engine Marketing Services in Seoul

Ratings Updated: September 15, 2026
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1 Leaders 6 Contenders

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7 Companies

Country: South Korea
City: Seoul

List of the Top Seoul SEM Service Providers

  • Featured

    What are Featured Providers?

    SmartSites Logotype

    SmartSites

    4.9 367 reviews
    Premier Verified
    $1,000+
    $100 - $149 / hr
    250 - 999
    Serves Seoul, 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, PPC, and website optimization to enhance online visibility and drive sales growth. Across its reviews, 100% of clients highlight their timely delivery and professional service, with 80% specifically praising their communication and project management skills. Notably, clients consistently report significant improvements in website ranking and organic search optimization.

    See all 367 projects
    9 of 9 reviews are 5 stars
    4 new reviews for Search Engine Optimization services
    Less than $10,000 avg. project cost

    Reviewed 9 times in the past 6 months

    SmartSites has received overwhelmingly positive feedback in recent reviews, highlighting their effective website redesigns, SEO, and PPC management. Clients reported significant increases in web traffic, lead generation, and conversion rates, attributing success to SmartSites' proactive communication and timely delivery. Specific praise was directed towards team members for their personal service and responsiveness. Overall, clients expressed satisfaction with the results and found no notable areas for improvement.
    Read 9 Recent Reviews
    123 of 139 Search Engine Optimization reviews are 5 stars
    4 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 139 Reviews

    Average Project Cost Breakdown

    $10,000 to $49,000 (90) 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 overall cost and value for money. Clients frequently highlighted that SmartSites' pricing is competitive and fits their budgets, with one client noting it as a key deciding factor for engagement. Several reviews mentioned a noticeable increase in ROI and lead generation, indicating that clients felt they received significant value for their investment. Overall, the sentiment reflects satisfaction with SmartSites' cost-effectiveness and the quality of services provided.
    Read All Reviews

    View projects from:

    United States (276) 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 Communicative

    AJ Marketing has received consistently positive feedback regarding their communication skills. Clients noted that the team was 'very communicative' and responsive, ensuring effective collaboration and timely delivery of projects. One client highlighted that AJ Marketing's communication was 'always fast and effective,' distinguishing them from other agencies. Additionally, another client appreciated the 'immediate response' and 'flawless' communication throughout the project, contributing to a seamless workflow.
    • YouTube Marketing Campaign for Travel Agency
      5.0 Jun 27, 2022

      AJ Marketing team ensured an effective workflow. They are very communicative and helpful.

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

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

      Read Full Review
    • Influencer Talent Sourcing for Social Media Campaign
      5.0 Jul 8, 2021

      Effective, they were always in touch and provided everything we needed. Their quality of marketing materials and communication impressed us the most.

      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.

      Read Full Review
    • Influencer Marketing for Education Company
      5.0 Feb 3, 2025

      Yes, they were very communicative. All the deadlines were met and the way they suggest influencers are very fast. What was your primary form of communication with AJ Marketing? Virtual Meeting, Email or Messaging App.

      Read Full Review
    Read All Reviews

    View projects from:

    Philippines (3) United States (3) India (3) Pakistan (2) Indonesia (2) United Arab Emirates (1) Japan (1) South Korea (1) Georgia (1) Belarus (1) Poland (1) Singapore (1) Nigeria (1) Hong Kong (1)

    This provider is fluent in 8 languages:

    • Mandarin
    • English
    • Hindi
    • Japanese
    • Korean
    • Vietnamese
    • Cantonese
    • Thai

    This provider is available in 32 time zones:

    • Near East Time (NET)
    • Middle East Time (MET)
    • China Taiwan Time (CTT)
    • Brazil Eastern Time (BET)
    • Greenwich Mean Time (GMT)
    • India Standard Time (IST)
    • Japan Standard Time (JST)
    • Midway Islands Time (MIT)
    View all time zones

    Seoul, South Korea

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

    2 - 5

    See All Locations (10)

    Review Rating from Clients

    5.0/5.0

    Quality

    5.0

    Schedule

    5.0

    Cost

    5.0

    Willing to Refer

    5.0

    Seoul-based clients praise AJ Marketing for their deep understanding of Korea's influencer market, delivering tailored campaigns that effectively captured local attention. They highlight the agency's professionalism, responsiveness, and strategic consulting across social media platforms like YouTube, TikTok, and Instagram.
    Read Local Reviews
    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
  • 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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1 AJ Marketing

List of the Top 1 Seoul SEM Service Providers

  1. 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
  2. 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
  3. 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
  4. 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
  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. 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
  7. 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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