Top Washington, DC Startups (1,253)
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...
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...
Business has changed - so should consulting. We are strategists, technologists, engineers, and designers who bridge the gap between consulting, design, and marketing to create powerful digital experiences for our customer's brands and users. Recently named as Washingtonian Magazine's Best Places to Work in Washington, DC, Ignyte is looking for people not bound by their job description to join our progressive...
Headquartered in Arlington, Va., Graham Holdings Company (NYSE:GHC) is a diversified holding company whose operations include: educational services, home health and hospice care, television broadcasting, online, print and local TV news, automotive dealerships, manufacturing, hospitality, consumer internet companies, digital marketing, and other emerging operations. Graham Holdings Company delivers quality products and services to today’s students, viewers, customers, patients, and advertisers....
ProperExpression is a B2B growth marketing agency that utilizes a full-stack performance marketing methodology and RevOps to drive measurable results for its clients. We exist and excel at the junction of art and science. The strategies and tactics born of this fusion are manifested in multi-channel campaigns that directly impact revenue and the bottom line.
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.
Centuria, recognized as a 2024 Top Workplace in the DC Metro Area by the Washington Post is a Service-Disabled Veteran-Owned Small Business (SDVOSB), headquartered in Reston, VA. Our company has been delivering IT, Engineering, and Scientific solutions to the Federal Government since 2002. We are a modern government contractor who embraces the power of data underscored by our work culture...
At GEM Technologies, our mission is to provide personalized service and ensure client satisfaction by using technology best practices to solve business needs. We provide solutions across many different areas including virtualization, disaster recovery, cloud based computing, hosting services, security consulting and many more.
Storyblocks is a venture-backed technology company, ranked the fourth fastest growing media company in the US by Inc. Magazine. Storyblocks is the first unlimited download subscription-based provider of stock video and audio, with over 100,000 customers in the television and video production industry, from NBC to MTV to hobbyists looking to enhance their video projects and productions. Storyblocks subscribers are able to...
Altamira is your trusted partner in consulting, engineering, and field service support. The combination of our owner’s mentality, commitment to hearing your needs and concerns, and delivering with our proven processes help ensure project success. With our regulatory expertise and agile approach, we create working relationships that value compliance and deliver desirable outcomes that bolster your bottom line.
Connect Centric leads the execution of complex, technology-enabled initiatives for scientific and professional societies, health and research institutions, foundations and grant-making organizations, and membership organizations. Through our registered delivery model, Execution as a Service®, clients define the outcome and Connect Centric designs and leads the execution. We take direct responsibility for moving the work forward—including the technical, operational, vendor, decision-making, and...
ITC Defense Corp. is a dynamic, technology-based, HUBZone-certified business in the global defense market. Our core capabilities in systems engineering and software development have positioned us to provide value added capabilities in today's transitioning marketplace. ITC is also at the forefront of information security technology integration and cyber resilience, leveraging commercial and government best practices to create innovative solutions to...
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...
Whether you’re with us for a day or a year, staying in a pop-up hotel or an apartment, Placemakr is blurring the lines between hospitality and home. With convenient tech, hotel amenities, and plenty more, it’s a whole new way to stay. We partner with developers, property operators, and investors to curate a collection of apartment-like spaces in hand-picked neighborhoods. These...
MIRACORP, Inc. is a 100% woman-owned business that provides a wide range of services to government and commercial clients, specializing in IT consulting, software development, management consulting, and administrative support.
TriTech Enterprise Systems, Inc., is an Information Technology (IT) Consulting company committed to increasing the competitive advantage of our clients by providing cutting edge solutions through innovation, research and the application of emerging technologies. Consulting Services TriTech provides consulting services to both large and small clients in the federal, state and local arenas. We provide detailed solutions in: Website Design, Online Store,...
Headquartered in Alexandria, VA, Systems Definition, Inc. (SDI) provides innovative, focused software development, system planning, technical documentation, and more to the First Responder community, as well as a variety of DoD and commercial clients. Our activities support initiatives for Defense, First Responder safety and accountability, aerospace, custom applications, and web technologies. We deliver a comprehensive suite of fireground accountability applications...
Virtru is a global leader in data privacy and protection. At Virtru, we equip our customers to take control of their data—everywhere it’s shared—through end-to-end encryption for Google, Microsoft, and other data sharing platforms. Our team is creative, collaborative, and passionate about creating a brighter future for data privacy. Above all, we support our colleagues and empower each other to do...
