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Home SEM South Korea Seoul

Top Search Engine Marketing Services in Seoul

Ratings Updated: April 14, 2026
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1 Leaders 6 Contenders

7 Companies

Country: South Korea
City: Seoul

List of the Top Seoul SEM Service Providers

  • Featured

    What are Featured Providers?

    SmartSites Logotype

    SmartSites

    4.9 353 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 digital marketing agency specializing in SEO, search engine marketing, and website optimization services. The company has received overwhelmingly positive feedback, with 100% of reviewers highlighting their responsive communication and timely project delivery. Clients frequently praise SmartSites for enhancing online visibility and achieving significant improvements in website ranking and organic search optimization.

    See all 353 projects

    Reviews mention Professional

    The client feedback highlights SmartSites' professionalism as a key strength, with multiple reviews praising their attentive and responsive project management. Clients noted the team's organized communication and their ability to deliver results on time. Specific feedback includes one client stating that their project manager was 'knowledgeable, detail-oriented, and truly invested in our success,' while another emphasized the 'excellent communication' and 'professionalism' throughout the engagement. Overall, the sentiment is overwhelmingly positive, reflecting SmartSites' commitment to client satisfaction.
    • E-Commerce Marketing for Online Jewelry Store
      5.0 Aug 29, 2024

      Online meetings are structured and very efficient. Response/explanation are always easy to understand and detailed. There is no such thing as too many questions. Very professional. Always going the extra mile.

      Read Full Review
    • SEO & PPC for Industrial Supply Company
      5.0 Aug 28, 2024

      Anthony has been prompt in his responses to us and will work with his other team members to find solutions for our proposed changes. Any questions we have are addressed quickly and with complete professionalism. I trust that we are making the right decision with any campaign management changes with him in charge.

      Read Full Review
    • Social Media Marketing & Web Dev for Beard Product Company
      5.0 Aug 15, 2024

      Their professionalism is amazing. They are awesome all the way around.

      Read Full Review
    • PPC Services for Healthcare Company
      5.0 Feb 19, 2024

      SmartSites' commitment to maintaining a positive relationship reflected their dedication to client satisfaction and spoke volumes about their professionalism.

      Read Full Review
    • SEO for Biotechnology Company
      5.0 Jan 31, 2024

      SmartSites was a company with integrity and professionalism, which appears to be rare, judging from the troubles I had and still have with my website designer so far.

      Read Full Review
    Read All Reviews
    119 of 135 Search Engine Optimization reviews are 5 stars
    9 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 135 Reviews

    Average Project Cost Breakdown

    $10,000 to $49,000 (88) Less than $10,000 (84) $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

    Clients generally perceive SmartSites as providing excellent value for money, often highlighting the company's responsiveness and effective communication. Multiple reviews noted significant improvements in metrics such as lead generation, conversion rates, and return on ad spend (ROAS). For example, one client experienced a 25x ROI on their ad spend, while another noted an increase in traffic and conversions after just a couple of months. Overall, the sentiment reflects satisfaction with the cost-effectiveness of SmartSites' services.
    Read All Reviews
    $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 Communicative

    Client feedback consistently highlights AJ Marketing's strong communication skills, with multiple reviewers noting their prompt and effective responses. One client remarked, "communication was always fast and effective," while another stated, "they were very communicative and helpful." Additionally, clients appreciated the team's ability to meet deadlines and provide necessary information swiftly, indicating an overall positive sentiment towards their communicative approach.
    • 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
    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

    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)
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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
    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

    34.9/40.0
    16.8/20 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

    5.5/40.0
    0/20 Reviews
    0/10 Clients & Experience
    5.5/10 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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