Top 50 SEO Tools Companies With $1M–$5M Revenue (August 2026)

Fremont, California, United States

Link Publishers - The First AI-Driven Link Building Platform We’re redefining the world of SEO with over 100,000 high-authority guest posting and link insertion websites across 55+ niches. Our AI-powered platform helps brands achieve exceptional keyword rankings, increased organic traffic, and better SERP results. What makes us stand out: 👉 88% link delivery ratio 👉 Turnaround time: 30-32 hours 👉 Trusted by 500+ SEO agencies worldwide 👉 Successfully delivered almost 30,000 links in just 4 years. Join us on our journey to revolutionize digital growth!

Lancaster, Pennsylvania, United States

Provides small businesses with comprehensive marketing plans and SEO and website guidance

Brooklyn, New York, United States

Shopping Cart Elite is for online retailer and wholesalers who are dissatisfied with the limitation of their shopping cart. Shopping Cart Elite is an enterprise eCommerce solution at a small business price that will completely automate your online business. Unlike the majority of shopping carts on the market, we have created a system that doesn't require you to pay thousands of dollars each month to app partners to have automation, marketing and SEO tools for your business.

Seoul, Seoul, South Korea

ADOP is a leading advertising platform based in Korea, Indonesia, Thailand and Vietnam. We prove comprehensive solutions to facilitate both the advertisement selling and buying process. Our services include site revenue optimization, programmatic buying and selling, filtering and free news app. ADOP has a tight-knit partnership with Google in several markets and is a Google Certified Publishing Partner (GCPP) in Korea. ADOP also has cooperations with both local and regional ad networks and exchange platforms including Rubicon Project, BidSwitch, Criteo, SpotX, Admeta, PulsePoint, Videology, Daum, RealClick, Wider Planet and more. We are always ready for discussing our digital advertising business. If there have been any players who want to get in to KR, ID and TH market. Please feel free to contact us! * Contact E-mail: [email protected] // Manager: [email protected] * http://www.adop.cc/en * ADOP History: 2018 - JAN. Launched Header Bidding Solution 2017 - JAN. 온라인 광고 마케팅 서비스 'ATOM'​ 출시 - JUN. ADOP 맥스서밋 2017 어워즈 미디어부문 수상 - NOV. ADOP 광고 모니터링 서비스 '라벨'​ 출시 2016 - ADOP 인도네시아, 태국 GCPP 선정 - SSP 플랫폼 'COMPASS'​ 런칭 - 중소기업 '이노비즈'​ 선정 - 사이판 해외 워크샵 - 'Out-Stream'​ 비디오 광고 상품 출시 2015 - Google Certified Publishing Partner 선정 - 모바일 뉴스 어플리케이션 개발 - 자체 개발 DSP 플랫폼 런칭 - 온라인 콘텐츠 가치 향상 특허 등록 2014 - Q4 APAC 최고 성장 파트너 선정 - 'Startup Asia Jakarta 2014'​ 참가 - 콘텐츠 필터링 솔루션 개발 및 특허 출원 - Google Analytics Certified Partner(GACP) - Google Adsense Certified Partner(GASCP) 2013 - Google DFP Premium Partner 지정 (APAC 최초) - Google APAC Reseller Summit - 미디어 SEO 솔루션 제공 - SEO Checker Solution 런칭 - 일 4,000만 PVs에 애드센스 노출 2012 - DFP SB세팅 및 관리 대행업무 시작 - Google AdSense Reseller 론칭 2011 - Google AdSense Reseller 계약 (아시아에서 6번째) - ADOP 설립

Guelph, Ontario, Canada

Schema App is an end-to-end Schema Markup solution that helps enterprise SEO teams develop a knowledge graph and drive search performance.

Lehi, Utah, United States

Full-service Amazon account management company focused on improving SEO rankings, boosting conversions and increasing sales acceleration for brands

Milan, Lombardy, Italy

Kleecks is an innovative SaaS platform that optimises performance marketing activities, improves website health and speed in real-time, and has a significant impact on businesses by increasing revenues, lowering costs, and accelerating time-to-market Less IT interventions, faster results, real-time strategy and optimisation, keeps up to date with Google and other search engines. Kleecks is the new way to generate clicks (we like to call them Kleecks) and the service we all need to accelerate our digital strategy. Tech Fixing, SEO Strategy, User Experience, Competitors' Strategy. All in one place. 24x7. Boosting Marketing Strategy. Fast

Odesa, Odes'Ka Oblast, Ukraine

Serpstat is a Ukrainian website which offers search engine optimization services, such as keyword research and backlink analysis.

Newcastle upon Tyne, Tyne & Wear, United Kingdom

We help ecommerce businesses sell more products online through Google Shopping with our innovative and award-winning Product Feed Optimisation and Incremental Sales software. We are a Google Premium CSS Partner and we offer users enterprise-level software at an affordable cost that provides a return on investment. Designed and built by experienced paid search & e-commerce experts, we offer a platform that enables our users to edit, manage and optimise their product feeds

Newark, Delaware, United States

Adsy is an SEO, PR Distribution & Guest Posting Marketplace that began its journey in 2018. We’ve started our way as a guest posting service with a goal to constantly develop our capabilities to offer a wide range of features to cover clients’ urge to grow SERP ranks, build quality backlinks, and broaden brand recognition. Advertisers can easily place content on over 100K top-class sites from various GEOs (USA, UK, France, Australia, Spain, Germany, etc.). Also, it's possible to pick sites from 50+ categories. Publishers can earn by offering their platforms to thousands of advertisers and get fair remuneration twice per week.