Top 319 SEO Tools SaaS Companies in May 2026

Bordeaux, Aquitaine, France

OnCrawl is an award-winning technical SEO platform that helps you open Google's black box and make smarter SEO decisions.

Cologne, North Rhine-Westphalia, Germany

rankingCoach is an AI-powered digital marketing solution that resellers desire and SMBs love. Our mission is to make digital marketing accessible, affordable, and effective for everyone. Whether your customers have a limited marketing budget or lack expertise, rankingCoach's AI-driven tools empower them to succeed online with ease. Our platform provides a comprehensive suite of resellable marketing solutions, including AI-powered SEO, SEA, Listings, Brand & Competitor Monitoring, Online Presence, Web Reputation, and Social Media Management—all in one place. Founded in 2014 by Daniel Wette, Marius Gerdan, and Thomas Meierkord, rankingCoach is headquartered in Cologne, Germany, with multiple locations across Europe and the US. Our award-winning software is available in 32 countries and 14 languages, partnering with industry leaders in web hosting, CMS, telecommunications, and MarTech, including IONOS, Namecheap, and Strato. Discover how integrating rankingCoach’s AI-driven solutions into your business can increase ARPU, boost customer awareness, enhance engagement, and unlock new up-selling and cross-selling opportunities. Join us in empowering your customers to become leaders in their field. Together, we'll elevate your business to the top. Discover the power of rankingCoach powered by AI for yourself at https://www.rankingcoach.com/en-us/partners.

Craiova, Dolj, Romania

World's most accurate, longest-standing rank tracking tool.

San Francisco, California, United States

AI SEO agent to streamline keyword research, content planning, and real-time SEO strategy building.

New York, New York, United States

IT consulting firm that builds customized websites and reimagines existing websites, while also creating effective marketing strategies for businesses

San Francisco, California, United States

VidIQ is a video marketing platform that helps creators and brands grow their audience on YouTube. The company was founded in 2012 and is based in San Francisco, California. The VidIQ platform provides users with tools to optimize their YouTube content, including keyword research, search engine optimization, video analytics, and competitor analysis. VidIQ's goal is to help its users increase their YouTube views, subscribers, and engagement by providing data-driven insights and recommendations. The company's clients include individual creators, media companies, and brands across a range of industries.

New York, NY, United States

The technical health of a website plays a major role in both user experience and search engine visibility — key influences on any business’s brand awareness, customer satisfaction, and sales. Lumar is the platform of choice for enterprise companies & teams behind complex, revenue-driving websites around the globe to identify issues preventing their sites reaching their full potential, including technical SEO, web accessibility, site speed, and even bespoke metrics to capture practically anything from the HTML of a web page. Lumar re-imagines the way you manage technical SEO, accessibility and other website technical health issues. It enables proactive, connected workflows to identify, track and fix issues across your domains and ease your development process. The Lumar platform gives you total control over your crawl strategies, eliminates data overload, simplifies monitoring and reporting, and automates QA testing. The results? Better prioritization, faster time to fix, and less time wasted fixing preventable issues. And ultimately reduced costs.

Chicago, Illinois, United States

seoClarity is the natural search insights and content optimization platform that helps brands connect with customers in the moments that matter. The company’s proprietary Clarity Grid technology combines petabytes of data with machine-learning insights to help marketers develop proven content strategies, analyze competitive gaps, improve site health, and drive performance. The platform provides you complete visibility into ALL of your SEO efforts – from search engine crawler activity and on-page optimization to keyword rankings, click-through rates and conversion rates – and updates it daily. The company’s unique approach to understanding audience intent turns the focus from the search engines and algorithms to the customer. seoClarity is comprised of professionals with strong direct marketing backgrounds, a team of incredibly smart statisticians, and the brightest minds with over 30 years combined of SEO experience working in and with enterprises. The result is a platform that delivers unparalleled SEO intelligence, ease of use, all adding up to a formula that saves you time and effort, while contributing to a positive ROI.

New York, NY, United States

Linkhouse.net is a content marketing and link building platform. In one place, we list offers from over 74,000 websites in several dozen languages, enabling quick and convenient purchase of sponsored articles, text links and display advertising. Fill out https://linkhouse.net/brief/ to see what we can do for you (and how much time we can save you).

Bonn, North Rhine-Westphalia, Germany

We believe SEO doesn't have to be mysterious. We want to make Google rankings transparent and easy to understand. That's why we created the SISTRIX Toolbox. It provides you with the most important SEO performance indicators for any desired domain. But that's not all. You don't have to install any software, either, or spend time creating projects. Since 2008, the Toolbox has been automatically gathering important data on practically every possible domain. All you have to do is call up results and evaluations in your internet browser with just a few clicks. This ease of use, combined with the quality of our data and our unrivaled customer support, has made the Toolbox the most popular SEO tool in Germany for years.