Top Washington, DC Startups (1,098)

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...

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,...

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...

Objectstream is an IT company specializes in internet,information technology and information Services.

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...

DCI Group is an independent public affairs consulting firm that specializes in public relations, crisis management, grassroots engagement, and digital advocacy. Our firm is widely acknowledged as the deepest and most sophisticated political network in the public affairs industry. We craft and execute winning strategies with speed and precision at the state, national, and international levels. Founded in 1996, DCI Group...

We are a small team of developers and visual communicators. We love Drupal. We are vet owned & DC DSLBD Certified.

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...

Former military officers who stood up U.S. Army Cyber Command and pioneered modern weapons system cyber assessments founded Shift5 to transform untapped operational technology into actionable insights that enable peak performance and cyber resilience for America’s defense and transportation systems. Built for the field and tested in the most demanding environments, Shift5's Operational Intelligence platform equips operations, maintenance, and cybersecurity teams...

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...

Alphataraxia is an energy-focused quantitative investment management group with offices outside of Washington, DC and Newport Beach, CA. With decades of experience, our professionals focus on data-centric investment strategies in today's energy markets. We focus on understanding and predicting outcomes on electricity grids, where our positions can have a significant impact on real-world outcomes: helping to stabilize energy prices and...

PerformYard's performance management software provides flexible features for HR and a simple employee experience. We believe that performance management strategy should be driven by organizational goals and employee needs, not the constraints of your software. That is why we focus on providing the most flexible performance management solution. With PerformYard you can customize the software to fit the strategy that's right...

Aisle 518 Strategies is committed working strictly for progressive campaigns and organizations to leverage the power of people and technology to take on and defeat powerful corporate interests and the politicians who prioritize their needs.

Blue Altair is a niche, industry-recognized business and technology consulting firm that assists our clients with digital transformations. We offer Assessment and Strategy, Technology Implementation, and Managed Services in: • API Management and Integration [API-First based strategy; iPaaS strategy; complex hybrid cloud implementations and deployments; system and data integration] • Data Management [Data Governance; MDM; Data Engineering; Data Platforms] • Digital Application Development...

Young Invincibles was founded in the summer of 2009, motivated by the recognition that young people’s voices were not being heard in the debate over health care reform. Co-Founders Ari Matusiak and Aaron Smith and a few friends wanted to change that, so they set up a one page website, asking young people to share their stories, believing in their...

SC&A is a small business that offers energy and environmental consulting to federal, state, and local government agencies and the private sector. Our expertise includes radiological and nuclear safety and security, climate adaptation, air quality, and emergency management and preparedness.

We help companies realize the full value of AI by empowering their teams to instantly make any application AI-intelligent. We value and believe in equitable access to AI where all people can adopt AI and have access to AI technology and insights regardless of their ethnicity, socio-economic status, educational or career level, work role, age, physical ability, or any other quality....

Forum One amplifies the impact of mission-driven organizations through transformational digital solutions. For 25 years, changemakers have relied on our wide-reaching expertise in strategy, design, and technology to move their missions forward. We achieve lasting impact for our clients through innovation, pragmatism, and our belief in rich, diverse perspectives.