Top Washington, DC Startups (1,475)

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...

The leading force in the Microsoft cloud, Cloudforce creates, migrates, and maintains custom cloud solutions for businesses and government. In every engagement, Cloudforce serves as a trusted partner to help clients define and refine their technology needs. Cloudforce then crafts and deploys accessible, scalable, and secure solutions to help clients manage and grow their business in efficient and innovative new...

Safari AI, fka curbFlow, delivers cutting-edge Computer Vision AI solutions that empower enterprise clients to monitor and analyze their physical operations in real-time using their own camera systems. With the flexibility to seamlessly integrate with any modern IP camera, we can apply our wide range of algorithms to start gathering essential data for our clients within days. Our sophisticated data analytics...

Business Technology Integrators (BTI) is a Service-Disabled Veteran-Owned Small Business (SDVOSB) whose vision is to ignite innovation from within and deliver leading-edge solutions. At Business Technology Integrators (BTI), human capital is our most important asset. We are committed to the provision of a progressive environment where innovative, modernized, solutions are created by the best and brightest in our industry. Our team...

Catholic Charities is the leading provider of comprehensive human services to individuals and families in need in the Washington D.C. and Maryland area, serving as the social ministry outreach of the Archdiocese of Washington.

Nexaminds is a cutting-edge AI and Cloud Transformation company at the forefront of technological innovation. We specialize in developing advanced artificial intelligence solutions that empower businesses to unlock their full potential. With a team of skilled AI and Cloud experts and a passion for revolutionizing industries, we are dedicated to delivering intelligent, scalable, and customized solutions tailored to meet our...

Steven Winter Associates, Inc. Improving the Built Environment Since 1972 SWA provides research, consulting and advisory services to improve commercial, residential and multifamily built environments for private and public sector clients. We specialize in energy, sustainability and accessibility consulting as well as certification, research & development and compliance services. Our engineers and architects have led the way since 1972 in the development...

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...

Development InfoStructure, LLC. (Devis) is a leading provider of IT consulting services and solutions to the Federal, State and Local Governments, as well as the international development community. Devis helps maximize your return on IT investment by: 1) working with the best-adapted programming languages, databases and other solutions for your specific project; 2) actively supporting the open source community; and 3) using and promoting...

The Moran Company is an executive search firm that partners exclusively with nonprofit organizations, foundations, and associations to recruit top talent for key leadership and fundraising positions nationwide.

Development Gateway, Inc. is an international nonprofit that builds data systems and digital tools to help governments, NGOs, and communities gather, access, and use development data for better decision-making. Operating across 70+ countries, DG focuses on effective service delivery, total resource management, and data strategy and policy, combining technical tools, advisory services, and capacity building to strengthen equitable, transparent, and...

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,...

Common App is a not-for-profit organization of nearly 900 colleges and universities in the United States and around the world. Since 1975, Common App has been committed to the pursuit of access, equity, and integrity in the college admission process.

Teal is an independently owned, managed IT services provider trusted by growth-focused executives, regulated midmarket businesses as well as nonprofits that demand high performance and strong security. Every solution is engineered for tangible outcomes – from advising on AI and governance to developing IT strategies aligned with business objectives.     The company has appeared on multiple national and international growth and industry lists, including: ·...

Social Driver is a digital agency trusted by the world's leading corporations and nonprofit organizations for strategic solutions for social media, websites, and digital marketing. We have experience working with hundreds of clients, world-class expertise in digital and social media, and a culture of long-term client partnerships. Social Driver is headquartered in Washington, DC with additional teams in Bellingham, WA, Chicago,...

PCDC is an unusual nonprofit loan fund. Since our founding, PCDC has leveraged $1.7 billion in financing, enabling 6 million more primary care visits and 22,000 permanent jobs in critically underserved communities nationwide. The consulting we do helps practices make every dollar go further, and our advocacy on the State and Federal level helps expand access to care. We like getting...

Zeno Power is the leading developer of nuclear batteries that provide reliable, clean energy in frontier environments. By harnessing the heat from radioisotopes, Zeno’s batteries power critical missions on Earth, in space, and at sea.

NCBA CLUSA is the nation's oldest and largest national membership association representing cooperatives of all types. It works to build a better world and a more inclusive economy by empowering people through collaborative partnerships in development, advocacy, public awareness, and thought leadership, helping co-ops thrive and building resilient communities.