Top Washington, DC Startups (1,096)

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,...

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...

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...

At MissionWired, we harness the power of digital storytelling and connectivity. We’ve deployed millions of emails, motivated countless Facebook likes and shares and generated untold tweets and retweets. We’ve crafted strategic communications for dozens of members of both houses of Congress, large national nonprofit organizations and even The White House. We were at the vanguard of digital advocacy, inventing the...

Actifai is broadband’s original AI-powered sales platform, helping providers grow since 2019. From small rural ISPs to multi-state operators, Actifai is the only AI solution explicitly built for broadband sales, driving measurable lifts in take rate, ARPU, and retention. Whether for website ecommerce, CSR-led calls, or door-to-door, our AI software helps ISPs maximize customer acquisition while transforming their subscribers' experience. For years,...

AGE Solutions is a premier technology and professional services company, providing in-depth consulting, advanced technology solutions, and essential services throughout the U.S. government, defense, and intelligence sectors. Prioritizing innovation and client-focused solutions, we assist major agencies in addressing intricate issues and ensuring a more secure future.

ProperExpression is a B2B growth marketing agency that utilizes a full-stack performance marketing methodology and RevOps to drive measurable results for its clients. We exist and excel at the junction of art and science. The strategies and tactics born of this fusion are manifested in multi-channel campaigns that directly impact revenue and the bottom line.

Cavnue is building smart roads for smart vehicles, and future-proofing the nation’s roadways. The interstate highway system defined mobility in the second half of the 20th century. Now, transportation is changing again. Mobility in the 21st century will be defined by intelligent, connected, and autonomous vehicles and while billions have been invested into developing in-vehicle technologies, only a small fraction has...

Today's dynamic mission environment demands a novel approach to contracting. We support complex and demanding missions with technology, comprehensive integration, cleared talent, and innovative delivery.

Catalist provides data and data-related services exclusively to progressive organizations to help them better identify, understand, and communicate with the people they need to persuade and mobilize. For nearly a decade, Catalist has been the data utility powering the progressive community. Owned by a trust, we collaborate with data-drive progressive organizations with a variety of goals: issue advocates, organizers, pollsters, analysts,...

We believe every student learns differently, at a different pace and comes to school with their own set of unique life circumstances. We also believe that for the majority of students, education is the escape from the endless cycle of poverty. We exist, and everything we do, is about about helping wrap students around a community where they can get...

Civic Nation is a nonprofit ecosystem for high-impact organizing and education initiatives working to build a more inclusive and equitable America. Civic Nation shifts culture, systems, and policy by bringing together individuals, grassroots organizers, industry leaders, and influencers to tackle some of our nation’s most pressing social challenges. Civic Nation is home to seven national initiatives and campaigns: ALL IN...

DAS42 is a modern provider of data analytics consulting. Our bold point of view helps companies clarify their data needs and our execution puts strategy into action. We deliver solutions that democratize data, create a single source of truth, and facilitate innovation for the future. We work with some of the world’s most successful companies across industries to help them...

Teal Media is a full-service creative agency with a conscience. We believe purposeful design can transform organizations, inspire action, and enable progress. Our client partners commit their lives to creating positive social change. We pour every ounce of our passion and skill into their success, because we, too, want the world to be a better place. We offer creative services in...

BGA is a strategic advisory firm that specializes in the Indo-Pacific. From Islamabad to Suva and Auckland to Tokyo and everywhere in between, we apply unmatched expertise and experience to help clients interpret the world’s most complex and dynamic markets, providing actionable intelligence to implement strategies, expand business, resolve problems and do great things in Asia. BGA is a founding...

Omidyar Network is a social change venture that works to reimagine critical systems and the ideas that govern them. We focus on building more inclusive and equitable societies in which individuals have the social, economic, and democratic power to thrive.

Givebutter is the most-loved nonprofit fundraising platform, empowering millions of changemakers to raise more, pay less, and give better. Nonprofits use Givebutter to replace multiple categories of tools, including donation forms, fundraising campaigns, events, auctions, donor management (CRM), email, texting, and more—all for free, thanks to a 100% transparent tip-or-fee model. As the #1 rated nonprofit software company on G2...

Echelon Insights brings technology and brainpower together to help find truth in data. Founded by experts from the digital and polling worlds, we're erasing old industry lines that separate the process of conducting research from the tools to act on it. We optimize your message, pinpoint your target audience, and give you the power to track change in realtime.