Top Washington, DC Startups (1,095)

ASI is a dual-use software company that deploys predictive AI to the world's most complex operating environments. Backed by leading investors–including Andreessen Horowitz, Renegade Partners, and Spark Capital–we actively manage over 40% of all US air traffic across both public and private sector air operations. Partnering with major airlines like United and Alaska, we optimize thousands of flights daily, delivering...

MORSE is a specially selected team of scientists, engineers, and software developers who use asymmetric and unconventional approaches to deploy practical solutions that solve difficult multi-disciplinary problems faced by the US National Security Ecosystem.

Nisos is a human risk intelligence and managed investigations company that protects organizations and their people from human-driven and digital threats by operating as an extension of their security, intelligence, and legal teams. It leverages a team of expert analysts, specialized in open-source intelligence and adversary tradecraft, to provide actionable intelligence that addresses complex risks like executive threats, insider fraud,...

Bellagent is an enterprise-level AI agent platform built to automate everyday business operations with zero-touch integrations that connect instantly to more than 1,300 applications. Launched in 2025 by Proactifi Inc., and headquartered in Chicago, the platform is built for practicality with industry-leading compliance and security standards, enabling organizations to deploy AI agents without friction from day one. Bellagent’s mission to...

https://www.youtube.com/@northslope-technologies At Northslope, we believe that purpose-built AI products in the hands of business operators create far more value than slide decks or off-the-shelf software. That’s why we partner with ambitious organizations to transform entire industries through Palantir’s Foundry and AIP platforms—delivering powerful, measurable outcomes in weeks, not years. We operate more like a product startup than a traditional services firm. Our...

GiveCampus is the world’s leading fundraising platform for nonprofit educational institutions. Trusted by more than 1,000 colleges, universities, and K-12 schools, our mission is to advance the quality, the affordability, and the accessibility of education. We provide software, services, and expertise that help schools raise more money, from more people, at a fraction of the cost of other fundraising methods....

Sparkfund powers organizations by providing access to the latest energy technology in a new and better way—through a simple monthly subscription model backed by a no risk guarantee. We partner with contractors, ESCOs, manufacturers, utilities, and energy retailers to deliver the Sparkfund Technology Subscription, transforming how businesses implement energy technology. Sparkfund seeks to create positive change for the world by...

Tunnl is leveraging AI to erase the boundaries between insights, audiences, and outcomes to ensure every piece of intelligence can be acted on. We combine the judgment of seasoned data experts with the power of artificial intelligence to help organizations find and connect with the people who matter most. With years of experience embedded in our platform, we enable research at...

Democracy Fund is a foundation working to defend American democracy and challenge it to be more open and just. Created by eBay founder and philanthropist Pierre Omidyar, Democracy Fund has made more than $150 million in grants to support free and fair elections, a vibrant and diverse public square, effective and accountable government, and a just and inclusive society. In...

Business has changed - so should consulting. We are strategists, technologists, engineers, and designers who bridge the gap between consulting, design, and marketing to create powerful digital experiences for our customer's brands and users. Recently named as Washingtonian Magazine's Best Places to Work in Washington, DC, Ignyte is looking for people not bound by their job description to join our progressive...

Research Innovations is a small technology company focused on the development and application of emerging technologies that solve complex problems within the Defense and Intelligence communities.

Teracore is a Service-Disabled Veteran-Owned Small Business (SDVOSB) headquartered in the Washington, D.C. metro area. For the almost 20 years, we have provided management and enterprise IT consulting services to the Federal Government. We believe that business needs should drive technology solutions. We use technology, people, and process to solve our customer’s complex business problems. Teracore leverages innovation, best practices,...

From digital capacity building to counter-messaging campaigns, we use data-proven techniques to ensure our clients respond to online harms effectively.

Merit America is a national nonprofit that creates pathways to family-sustaining careers for Americans without college degrees, who are stuck in low-wage work. Our fast, flexible solutions are built for working adults: we start by analyzing tens of millions of job postings to identify in-demand, high-paying tech careers and then train for these roles with part-time programs that combine flexible...

GDI takes a growth engineering approach to the creation and expansion of select ideas, organizations, and initiatives that address urgent global problems. We provide structured pathways over 2-3 years to support the achievement of critical step-changes necessary for ideas and organizations to move to the next level. We support the implementation of a strategic plan and then transition to a clear...

Allocore powers the leading government loans, grants, and fraud prevention programs with a unified platform built for efficiency and security. With trillions in loans and grants processed and billions in fraud prevented, Allocore brings the precision of commercial banking technology to the public sector. Our cloud-based, commercially available platform offers a comprehensive suite of solutions, from loan origination and servicing...

Grassroots Analytics operates a high-end consumer database of left-leaning Americans. We lead our industry in quality contact information, political preference analysis, biographical details, and net worth data. Founded in 2017, Grassroots Analytics began as a political data company. By 2019, Grassroots Analytics held a majority political data market share, and began exploring other consumer data markets. Grassroots Analytics now jointly owns...

Atlas Technica (https://www.atlastechnica.com) is an IT Service Provider specializing in hedge funds and alternative investment industry. Our objective is to provide the best service in the industry allowing hedge fund managers to focus on investing. Our services include infrastructure architecture and support, technology audit, disaster recovery planning and vCTO Services. Place IT on our shoulders.

Leadership Connect is a data-driven decision intelligence company focused on policy & procurement in the public sector. We combine deep research expertise and cutting-edge technology to help clients win business and influence policy across a wide range of specialties and verticals. We work with nearly every U.S. government agency, many S&P 500 companies, and leading organizations in media, consulting, law, banking, and...

Each year, millions of logs are wasted—chipped, burned, or landfilled because it’s easier than salvaging them. Cambium builds modern supply chains for the built environment, using technology to simplify sourcing, improve pricing, and deliver sustainable, traceable materials that create better outcomes for projects, people, and the planet. We provide next-generation, high-performance materials, including our flagship Carbon Smart™ Wood, all sourced and manufactured...