Top Tech Companies in Seattle, WA (2,304)

Coalfire is the cybersecurity advisor that helps private and public sector organizations avert threats, close gaps, and effectively manage risk. By providing independent and tailored advice, assessments, technical testing, and cyber engineering services, we help clients develop scalable programs that improve their security posture, achieve their business objectives, and fuel their continued success. Coalfire has been a cybersecurity thought leader...

With a stable foundation of over thirty-five years' experience and the energy of a startup, PHYTEC provides device designers and manufacturers with insert-ready hardware, embedded System on Modules (SOMs), to shorten time-to-revenue and bring complex products to market. Our products are deployed in many cutting edge applications in a variety of industries.

PotaVida's mission is to lower the cost of getting safe drinking water to people who need it. PotaVida lowers the cost of access to safe water in disasters and urban slums, and enables program evaluation by automating the collection and reporting of usage data.

We are a digital product design and development agency founded in 2014. Our main goal is to merge design, technology and innovation to define and build projects that are tailored to the demands of our partners.
 We want to meet the needs of our customers through creative, effective and scalable solutions that make them stand out from their competitors. But, among...

Inkd is a real marketplace that brings designers and businesses together to provide professional graphic design services for a cost that doesn't break your budget.

Since its launch in early 2010, Zulily continues to reinvent itself, providing a fun shopping experience full of products millions of customers around the world love, at prices they can brag about. We’re a fast-paced, data-driven and down-to-earth company, dedicated to defying expectations. Our unique business model is just one example. Mission: We're creating something different. We launch a new store...

Founded in 2000, Quardev provides professional technical services in a project-based capacity in our secure facility and corporate headquarters in Seattle.

MovingWorlds is an award-winning social enterprise that helps individuals – on their own, within social businesses, or within corporations – scale world-changing ideas. We help social enterprises in the ‘pioneer gap’ access the skills to overcome any challenge, and operate professional development programs to help people find more purpose in their work and accelerate their for-good careers. We also partner...

In the converging world of IT and Engineering, Modis pioneers smart industry. Modis delivers cross-industry IT and digital engineering expertise to accelerate innovation and digital transformation. By combining a unique service offering of Tech Consulting, Tech Talent Services and Tech Academy solutions Modis enables businesses to progress, scale and perform. Modis has a global footprint with 30,000+ consultants in over...

We help global brands build products and services for the digital economy. We’re a digital design studio that combines strategic thinking with agile delivery.

Revolutionizing the Employee Family Leave Experience through technology, automation and design. Designed for the Employee, Built for the Employer.

Opanga Networks is the leading innovator of pragmatic video optimization solutions that convert surplus network capacity in real time to efficiently pre-position high-quality content to any device.

For over two decades, Janea Systems has provided high impact software development services to Fortune 500 companies. From ‘kernel to cloud’, we build mission-critical products and services to enable the acceleration of cutting-edge solutions via deep technology-agnostic expertise. Janea Systems is a dynamic team of the best & brightest systems-level software engineering specialists and solutions innovators, from around the world....

Scope 5 helps organizations improve environmental and economic impacts by tracking progress, revealing waste and driving action.

About Apex Learning Nearly two decades ago Apex Learning emerged as a leader in digital learning for secondary education, developing online Advanced Placement courses to provide students, who would otherwise not have access, the opportunity to take rigorous college-level courses. Recognizing the challenges schools face in meeting the needs of every student — from those struggling to stay on track for...

Suplari is the leading procurement intelligence solution that helps businesses modernize procurement operations using AI. Unlike legacy spend analytics tools, Suplari provides prescriptive insights and decision intelligence leveraging agentic AI. Suplari is regularly recognized among the top procurement software solution providers, with market-leading Gartner Peer Insights customer satisfaction scores and top scores from the Spend Matters SolutionMap in 2025.

Amplify Consulting Partners is a data-first consulting company trusted by Fortune 500 businesses to deliver high-impact professional services across the technology ecosystem—from data engineering and visual analytics to data-driven marketing and program management. We build and empower high-performing people by promoting growth and connection across our company culture. We don't just hang our core values on the wall, we make...

Our software Owl Outcomes is designed to improve clinical care, reduce costs, and drive better outcomes

Jeeva is redefining the standard in wireless connectivity by eliminating power as a roadblock to the Internet of Everything. Its passive backscatter technology uses 1000x less power, costs 10x less, and takes up less space than conventional radios, allowing companies to deploy unlimited numbers of sensors in virtually any environment, that capture more complete data for more reliable results

We invest capital in new companies in growing markets — clean tech, digital biology and information technology. Our initial investment is typically about $1-5 million, and we usually partner with other venture capital firms.