Top 530 SaaS Companies in Washington, United States, May 2026

Bellevue, Washington, United States

Educative provides interactive courses for software developers. We are changing how developers continue their education and stay relevant by providing pre-configured learning environments that adapt to match a developer’s skill level. For instructors, Educative provides the best authoring platform for creating interactive content with just a few clicks. Join 1.5 Million developers working at top organizations like Amazon, Netflix, Google, and Stripe. Try Educative’s FREE Trial, which gives you unlimited access to nearly 500 interactive, world-class courses spanning JavaScript and Front-End Development, to System Design and Machine Learning. Join our Newsletter here: https://grokkingtechcareer.substack.com.

Seattle, Washington, United States

A medical staffing agency that provides traveling nurses, home health aides, school therapists, and other health workers

Seattle, Washington, United States

Flexe is actually a privately held company and is not owned by any other company. Flexe is a Seattle-based technology company that provides on-demand warehousing and fulfillment services. Their platform connects businesses in need of additional storage space with warehouse operators who have extra capacity. This allows businesses to scale their warehousing and fulfillment operations as needed without the fixed costs and long-term commitments of traditional warehousing solutions. Flexe was founded in 2013 and has since grown to become one of the largest on-demand warehousing companies in the world.

Seattle, Washington, United States

Keka Technologies Pvt. Ltd. is an HR technology company based in Hyderabad, India. Keka provides a cloud-based HR management platform that offers features such as payroll management, leave and attendance tracking, performance management, and employee self-service. Their platform is designed to help businesses of all sizes manage their HR operations more efficiently and effectively. Keka also offers a range of other HR-related services such as recruitment process outsourcing and compliance management. The company was founded in 2015 and has since grown into a leading HR technology provider in India, serving clients across various industries.

Bellevue, Washington, United States

enterprise contract management software

Seattle, Washington, United States

We’re on a mission to reveal cyber risk and build business resilience by exposing the threats organizations can’t see. The ExtraHop Reveal(x) network detection and response (NDR) platform uniquely delivers the visibility and decryption capabilities that organizations need to investigate smarter, stop threats faster, and keep operations running.

Kirkland, WA, United States

SmarTek21 stands at the forefront of innovation, leveraging Generative AI to power advanced data ecosystems and industry-leading conversational interfaces that transform customer interactions. Established in 2006, we seamlessly blend human acumen with cutting-edge artificial intelligence to tackle the most complex challenges in digital integration and data governance.

Seattle, Washington, United States

AppViewX is a software company that provides a platform for the automation and orchestration of network infrastructure services. Their platform helps businesses automate the configuration and management of their network infrastructure, including devices such as load balancers, firewalls, and routers. AppViewX's platform includes features such as configuration management, certificate management, and application delivery automation, enabling businesses to streamline their network operations, reduce costs, and improve security. Their platform also provides analytics and reporting tools, allowing businesses to monitor network performance and make data-driven decisions to optimize their network infrastructure.

Bellingham, Washington, United States

Logos is the most popular brand in the world for Christians looking to go deeper in their Bible study. Since its launch in 1992, millions of pastors, scholars, students, and lifelong learners have used the Logos platform to write sermons and papers, prepare small group lessons, explore tough or complex topics, and study the Bible carefully, digging deep for the riches found inside. The current version, Logos 10, is available in seven different languages. With a sleek and modern design and lightning-fast speed, Logos 10 is designed for the global church and includes multiple new features that help users engage more deeply with the Bible, whether they have five minutes or five hours. Logos is the most widely used Bible study and sermon preparation platform available for the study of Scripture, commentaries, devotionals, Bible dictionaries, and more—all from a personal computer, tablet, or smartphone. Enjoyed by renowned leaders including John Piper, Christine Caine, Bishop Charles E. Blake, Dr. David Jeremiah, Justo González, Miles McPherson, and Lisa Bevere, to name a few, Logos enables users to obtain seminary-level knowledge and training anytime, anywhere, and on just about any device. Logos is part of the Faithlife family. Faithlife brands exist to empower believers everywhere to go deeper in their Bible study through a fusion of biblical content and powerful technology. Faithlife is parent to a handful of beloved brands, including Lexham Press, Proclaim Church Presentation Software, Didaktikos Journal, Biblia, Verbum, and, of course, Logos.

Seattle, Washington, United States

The company that owns Moz.com is Moz, Inc., a Seattle-based software company that provides search engine optimization (SEO) tools and resources for businesses and digital marketers. Moz offers a suite of SEO software products, including keyword research tools, site audits, rank tracking, link building, and on-page optimization tools. In addition to its software, Moz also provides educational resources and a community for SEO professionals through its blog, webinars, and conferences. The company was founded in 2004 and has since become a leading authority in the SEO industry, serving customers around the world.