Top Washington, DC Startups (1,256)

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...

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.

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...

Our goal at Sage Ventures is to maximize value for all stakeholders, including employees, investors, and tenants. We strive to make a positive impact on the greater communities in which we operate. We take advantage of new opportunities, using our resources and agility to make good decisions quickly. As a resident, choosing Sage means choosing a professional, experienced management team,...

Steve & Kate's Camp provides educational camping services where children create their own experiences through a variety of activities, fostering confidence and creativity. They offer summer, winter, and spring camps as a fun and educational option for working parents.

Red Cell Partners is an incubation firm building rapidly-scalable technology-led companies that are bringing revolutionary advancements to market in three distinct practice areas: healthcare, cyber, and national security. United by a shared sense of duty and deep belief in the power of innovation, Red Cell is developing powerful tools and solutions to address our Nation’s most pressing problems

We are your human-centric innovation partner, crafting impactful user experiences for government and commercial sectors with an unwavering commitment to efficiency and excellence. Our Core Capabilities: CMS Data Experience Our team has established deep domain experience in insurance, claims, and quality data throughout the CMS ecosystem. We equip healthcare stakeholders with insights to make informed policy decisions through strategic data management, integrating...

Regardless of an organization’s mission, manual and time-consuming business processes are still common. Leverage our services to access, analyze, and share your data in a way that helps you make timely business and mission decisions. Core Capabilities: Change Information and processes that are relevant today can be deemed useless and outdated in a short period of time. An organization must become more agile...

MoveOn is the largest independent, progressive, digitally-connected organizing group in the United States. Launched in 1998, MoveOn pioneered online organizing and advocacy techniques that have become standard in politics, nonprofits, and industry in the U.S. and worldwide. We combine rapid-response political campaigning with deep strategic analysis, rigorous data science and testing, and a culture of grassroots member listening and participation...

Founded in 1992, JMI Equity is a growth equity firm focused on investing in leading software companies. JMI has partnered and collaborated with countless entrepreneurs, founder-owners, and management teams over the past 33 years. JMI has invested in 190 software businesses, including 100+ cloud investments, 19 IPOs, and completed 120+ exits. Today, the Firm’s portfolio of industry-leading cloud software companies...

Proactive mobile security that makes you, your customers, organization, and employees feel safe and secure. We enable airtight mobile security solutions, all delivered with a light touch – perfect for the privacy needed in the work and live anywhere world. Find out what it means to be Quokka Secure.

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...

Infinitive is a transformation and technology consultancy. We enable global brands to deliver kick-ass results through insights, innovation, and efficiency. We possess deep industry and technology expertise to drive and sustain adoption of new capabilities. We match our people and personalities to our clients’ culture while bringing the right mix of talent and skills to enable a high return on...

Our Columbus-based firm began in a one-room office above a garage serving political candidates across America. Because of our knack for moving faster, smarter, and with more compelling messages than the next guy, we’ve been able to help our nation-wide client list win at all levels, including U.S. President, Governor, and Senator. The Strategy Group for Public Affairs builds on...

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...

UDig is a technology consulting company that enables businesses with modern solutions through software, data, and intelligent automation. Through creative solutions and problem-solving, our team enables yours to plan, build, and transform on your path from good to great. You have key business objectives to meet and our technology agnostic and partnership-based approach allows us to effectively help you achieve those...

Tesla Laboratories provides Cyber Security, Intelligence Analysis, Financial Management, and Program Management services to the Intelligence Community, the Department of Defense, and other federal government customers.

Govini builds software to accelerate the Defense Acquisition Process. Ark, Govini’s flagship product, is a suite of AI-enabled applications, powered by integrated government and commercial data, that solves problems across the entire spectrum of Defense Acquisition, including Supply Chain, Science & Technology, Production, Sustainment, and Modernization. With Ark, the Acquisition community eliminates slow, manual processes and gains the ability to...

Allocore powers the leading government loans, grants, and fraud prevention programs with a unified platform built for efficiency and security. With trillions in loans and grants processed and billions in fraud prevented, Allocore brings the precision of commercial banking technology to the public sector. Our cloud-based, commercially available platform offers a comprehensive suite of solutions, from loan origination and servicing...