Top Washington, DC Startups (1,095)

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...

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.

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...

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...

For more than 40 years, Kx Advisors (operating as Kaiser Associates’ Healthcare Practice) has provided strategy consulting services to help healthcare executives achieve critical business growth goals. With a highly collaborative approach they have developed pragmatic solutions for leading pharmaceutical, biotechnology, medical device, health IT, digital health, and diagnostics clients, with data-driven insights to give those clients the tools to...

G2 Ops is a preferred provider of analytical and innovative solutions in the following areas: - Model-Based Systems Engineering - Cybersecurity Requirements, Analysis, and Threat Assessment - Cybersecurity Consulting Strategic vision: G2 Ops helps companies stay ahead of cyber crime and IT threats by identifying and measuring weaknesses before incidents occur, then providing remediation priorities based on individual business and financial risk thresholds.

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...

We help carers operate at the top of their licenses by automating up to 56 minutes of education and admin work per patient.

Analytica is an award-winning consulting and technology services provider that supports public-sector health, civilian, and national security. We specialize in data-driven solutions, which have been recognized by organizations such as NYU’s Governance Lab for driving public sector modernization and innovation. Analytica is an SBA Certified 8(a), HUBZone that has been honored as one of the 250 fastest-growing businesses in the...

540 is a technology consulting firm who helps our government and business clients innovate like start-ups. Through hard work, perseverance, and deep commitment we remove barriers to innovation which enables us to build impactful tech for the government. Contact us for: - Tech Strategy - Software Development - API Design / Dev - DevOps Email us: [email protected]

Inspiration is the first purpose-built EV solutions company. Our mission is to accelerate the electrification of transportation by partnering with fleet businesses to finance vehicles and deliver turnkey charging solutions to enable the rapid deployment of reliable, low-cost, zero-emissions EV fleets. Acting as a partner and system integrator, Inspiration designs and implements a custom solution that ensures every fleet electrification...

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...

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,...

FedTech is a venture firm that thrives at the intersection of US entrepreneurship, breakthrough technologies, and mission-driven organizations. Since 2015, we have been driving forward deep tech ventures across the DoD, NASA, DoE, universities, and federal labs. Through our startup studios, accelerators, internal innovation, and corporate venture programs, we work with individuals, companies, and government agencies to stay at the...

Formerly known as Tempus, Monex USA has provided corporate clients with industry-leading foreign exchange, risk management, and international payment solutions for over 23 years. Headquartered in Washington, DC, Monex USA has New York and Beverly Hills offices. As part of the global financial group of Monex, the company leverages a combined annual FX volume of over $247 billion and 2,800...

Aceli Africa (“Aceli”) is a market catalyst mobilizing finance for small- and medium-enterprises (SMEs) in the agriculture sector in East Africa. Informed by original data on the economics of agri-SME lending, Aceli Africa is designed to align capital supply and demand to mobilize $500M in lending to agri-SMEs while creating a more sustainable and competitive marketplace.

Castro & Company is an audit, advisory, and accounting services CPA Firm specializing in providing the personalized services of a small firm with the full resources and quality expected from a larger CPA firm. We are minority-owned and located in the Washington, DC metropolitan area. Castro & Company holds certifications for Federal contracting under the Small Business Administration Certification 8(a) Business...

Axios HQ is AI-powered software that helps organizations manage their essential communications. Plan, write, and send more effective updates proven to boost trust, transparency, and alignment.

Capital Technology Group provides technical leadership and expert consulting services for a wide range of business needs and information technologies including: enterprise architecture and application integration, custom application development, big data, and search. Our consultants have broad knowledge and deep, hands-on technical experience managing the full software development lifecycle from understanding business drivers and release planning, through system architecture and...