Top Washington, DC Startups (1,473)

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...

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...

U.S. Federal Solutions, Inc. is a management consulting firm that provides thought leadership, proven methods, and highly qualified personnel to support federal government clients. Their services encompass acquisition management, data analytics, performance management, and IT consulting, aimed at delivering performance and results for federal and state agencies. The company emphasizes loyalty, integrity, and excellence in its mission to provide high-quality...

The Environmental Working Group (EWG) is an American nonprofit activist group dedicated to protecting human health and the environment. It specializes in research and advocacy regarding agricultural subsidies, toxic chemicals, drinking water pollutants, and corporate accountability. By providing science-backed ratings and consumer guides, EWG empowers individuals to make informed choices to live healthier lives and promote a healthier environment for...

Planned Parenthood Association of Utah (PPAU) is a non-profit family planning agency and a leader in sexual and reproductive healthcare, advocacy, and education in the state of Utah. Its mission is to empower Utahns of all ages to make informed choices about their sexual health, while ensuring access to affordable, quality healthcare and education, and protecting their right to do...

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.

Habitat for Humanity of Dane County is a nonprofit organization that works to provide safe, decent, and affordable housing to low-income families. They achieve this through a volunteer network, generous donors, and the operation of Habitat ReStores. Their mission is to bring people together to build homes, communities, and hope, helping families achieve strength, stability, and self-reliance through homeownership.

D2 Consulting provides services to the Federal Government focused in the following three area's We leverage D2 Consulting engineering, operations and governance best practices to efficiently and effectively deploy, maintain and continuously improve IT services and solutions. This includes not only engineering solutions such as VDI and providing direct support to operations but also deploying the tools to instrument and maintain...

eSentio Technologies is a leading provider of business and technology consulting and implementation services to the world’s largest law firms. Our consultants are recognized industry leaders who provide vast industry expertise along with outstanding client service. Our success has stemmed largely from our core belief in doing what is best for our clients, while exceeding their expectations for service, knowledge,...

CrossBoundary is a mission driven investment firm that unlocks the power of capital for sustainable growth and strong returns in underserved markets. We take a transaction centered approach to underserved markets. CrossBoundary provides investment advisory services, having developed a specialized expertise in unlocking investment across all sectors in emerging and underserved markets. Our advisory clients include governments, development finance institutions,...

MIRACORP, Inc. is a 100% woman-owned business that provides a wide range of services to government and commercial clients, specializing in IT consulting, software development, management consulting, and administrative support.

Base Operations helps companies keep their people and operations secure with Micro-Intelligence, or street-level threat assessments. Using AI to aggregate public and proprietary information, Base Operations has created the world’s largest dataset of global threat patterns. A visualization platform helps companies conduct geolocation-based analysis for travel safety, threat intelligence, crisis management, and site selection and expansion.

The Reporters Committee for Freedom of the Press is a nonprofit organization that provides pro bono legal services and resources to journalists and news organizations to protect First Amendment freedoms and newsgathering rights.

State Policy Network is a national nonprofit organization dedicated to building and mobilizing a durable state-based infrastructure for freedom. Its mission is to catalyze thriving, durable freedom movements in every state, anchored with high-performing, independent think tanks, by providing strategic support, leadership training, and networking to state-based policy organizations.

EdOps specializes in the finance, student data and operations work of schools. Our mission is to minimize the financial, operational, and compliance demands of running a school and to support education leaders with data-driven insights to improve student outcomes. Our experience with a wide variety of schools, from newly authorized charter schools to established independent schools and from micro-schools to...

Preventive Measures is dedicated to enhancing the lives of thousands across Washington D.C., Pennsylvania, New Jersey, and Georgia. Our CARF-accredited Mental Health Wellness Centers and Home Health Care services offer a holistic approach to mental health, treating the whole person. We provide care through a diverse team of licensed providers fluent in both English and Spanish. Additionally, our support network...

The definitive platform for news, analysis and intelligence software that state leaders, policymakers and engaged citizens rely upon.

People Encouraging People is a non-profit behavioral healthcare corporation dedicated to providing life-transforming rehabilitation and support services to people who are disabled or disadvantaged. PEP services are values-based and designed specifically for each individual’s challenges. PEP is committed to helping our clients become accepted and productive members of our community.

Accelera Solutions is an AI-first federal engineering organization and award-winning leader in digital transformation and IT modernization. The company delivers secure cloud, cybersecurity, and DevSecOps solutions specifically for DoD, civilian, and intelligence customers. Specializing in virtualization and systems engineering, Accelera has been helping government agencies modernize their infrastructure and accelerate the federal frontier since 2002.