Top Washington, DC Startups (1,255)

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...

CEG was established with a mission of creating extraordinary real estate, credit and debt solutions for clients throughout the country. That mission continues to be a driving force still today. CEG has always sought out the country’s most creative and professional loan modification processors, debt settlement experts, credit repair experts and legal professionals available today. This enables us to be...

Atlas Technica (https://www.atlastechnica.com) is an IT Service Provider specializing in hedge funds and alternative investment industry. Our objective is to provide the best service in the industry allowing hedge fund managers to focus on investing. Our services include infrastructure architecture and support, technology audit, disaster recovery planning and vCTO Services. Place IT on our shoulders.

With over 20 years of experience, INVID provides scalable, functional, and high-impact software that saves time and money for our customers. Our solutions engage employees, improve processes and foster collaboration. Certifications: GSA, SBA 8(a), DBE, MBE, NSDC. Three years in a row on the Inc. 5,000 list. Microsoft Gold Partner.

Lumina is a fast-growing, first-of-its-kind job community platform for the working class. With its highly engaged community, Lumina helps tens of thousands of SMEs recruit suitable workers. Amassing hundreds of thousands of engaged job seekers, Lumina aims to revolutionize the blue and grey collar recruitment space where business owners can tap into suitable talents, fast and easy. The platform’s name...

VxL Enterprises is a veteran-owned small business that provides mission-critical training, logistics, and support services to U.S. government, military, and law enforcement clients.

Hattori Hanzo Shears are used by many of the top stylists in the world. Whether it's the cover of Vogue, New York Fashion Week, or backstage on Broadway, you'll find our shears going to work, making the world we live in a more beautiful place.

DMC is an established project-based engineering and software development firm founded in 1996 and based in Chicago, Illinois. We develop and implement solutions for a wide range of industries using a variety of technologies. Every solution we develop is based upon a solid understanding of software and system integration principles. DMC maintains premier technology partnerships with Microsoft, Siemens, and National...

In the buildings all around us, life is happening. Babies enter the world. Art evokes imagination. Research leads to breakthroughs. Nations are protected. Like the people who fill rooms with life, buildings live and breathe. They require care, protection, and the opportunity to evolve in a world of constant change. People deserve good buildings, and buildings deserve good people to...

FIA Tech collaborates with the global futures industry to improve operational efficiency via integrated, cloud-based systems. FIA Tech provides key services and processes including managing legal agreements, settling brokerage, meeting compliance requirements and automating reconciliation.

Gecko Robotics develops and operates robots to perform infrastructure inspections by climbing into confined and dangerous places.

Advantia is transforming healthcare for all women - we’re setting a higher standard of care and convenience while reducing unnecessary costs. Compassion and value inspire everything we do. We take time to listen, answer questions completely, and offer helpful technology between visits so that our patients are empowered and at ease. Alongside coordinated care, Advantia is pioneering care models that...

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...

Red5 is a strategic intelligence and consulting firm that provides managed protective intelligence, executive security, threat monitoring, privacy, and risk assessment services for organizations, executives, family offices, and high-profile individuals.

missionovo is a revolutionary technology services company. Every day, we deliver successful mission outcomes for our customers. Our people-first environment empowers highly skilled professionals to thrive. When our people thrive, our customers succeed. Connect with us to learn more about how we put our people first. [email protected]

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]

Cobalt’s Pentest as a Service (PtaaS) platform is modernizing traditional pentesting. By combining a SaaS platform with an exclusive community of testers, we deliver the real-time insights you need to remediate risk quickly and innovate securely.

We are a small company that has a big impact on the world. We are global leaders in artificial intelligence and scientific research and development solutions. We advance science and technology to empower global innovation and solve the world’s challenges. We do this by developing innovative open source software platforms and integrating them into research, processes, and products. CMake, ParaView,...