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...

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,...

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...

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.

Anzu Partners is a venture capital and private equity firm that invests in breakthrough industrial technologies. We team with entrepreneurs to develop and commercialize technological innovations by providing capital and deep expertise in business development, market positioning, global connectivity, and operations. Anzu Partners has offices in Washington, DC, San Diego, CA, Boston, MA, and Tampa, FL.

TechOp Solutions provides technology and operational solutions to senior decision makers in federal, state and local governments, as well as private enterprises who must maintain situational awareness, collect critical information, strictly adhere to privacy and make timely risk-mitigated decisions despite the pressures of time and circumstance. In support of this mission, we are committed to providing our clients with levels...

From digital capacity building to counter-messaging campaigns, we use data-proven techniques to ensure our clients respond to online harms effectively.

617MediaGroup is a fast-growing, full service, progressive communications firm headquartered in Massachusetts. We specialize in providing public relations, marketing, digital content curation, and advertising services to a select group of local and national clients. Our clientele consists primarily of progressive advocacy groups, trade associations, labor unions, and more. We are proud to serve a diverse array of organizations whose missions...

Ten years ago, two political firms were asked regularly to partner together to bring a mix of “red” and “blue” perspectives to corporate challenges. To serve that need the two firms joined together and created Purple Strategies. Through the years we’ve continued to evolve, bringing in diverse perspectives across a multitude of disciplines. Today, we are a corporate reputation strategy firm,...

Democracy Fund is a foundation working to defend American democracy and challenge it to be more open and just. Created by eBay founder and philanthropist Pierre Omidyar, Democracy Fund has made more than $150 million in grants to support free and fair elections, a vibrant and diverse public square, effective and accountable government, and a just and inclusive society. In...

KME.digital is a Virginia SEO and Digital Marketing agency. We provide professional and cost-effective Internet technology and management services, including multimedia marketing and advertising of your business on the Internet, via broadcast and distributed media, digital content management capabilities, and creative marketing campaign design. KME is a Certified SWaM Business (small, woman-owned / minority-owned) in the Commonwealth of Virginia, by the...

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...

Cybersecurity and software engineering SMEs that help Government and Commercial customers build secure scalable solutions. Treat every customer like our partner. Build an environment of mutual success with all our partners. Cyber Fusion Center/Managed Security Services, DevSecOps, Pen Test, CISO-AAS, AngularJS, ReactJS, NodeJS, Java, Spring, MongoDB, Postgres.... Too many to list and we are known to throw in a few fakes...

Synectics is a client-focused research, statistics, technology, and data science consulting firm devoted to “making data meaningful.” We are a blend of academics and technicians who support federal agencies and other clients. Our core expertise includes IT for grants management; IT for public health databases; application development; data warehousing; and business intelligence. Our grants modules have securely processed over $75...

Pioneering Evolution, LLC is a Service Disabled Veteran Owned Small Business (SDVOSB), specializing in management consulting services and software development, headquartered just outside Washington, D.C. in Arlington, VA. Founded in 2004, Pioneering Evolution has earned a reputation as a leader in its field by providing a combination of vast industry-specific experience, custom software development and integration, and award-winning support services—for...

Cerebri AI started operations in 2016 in Austin, and soon thereafter opened an office in Toronto. We utilize our Cerebri AIQ industry-leading data engineering and AI modeling platform to deliver SaaS-based analytics that customers use to manage their corporate travel programs more effectively. Travel is one of the largest discretionary spending categories in business; as an example, one of our...

Echelon Insights brings technology and brainpower together to help find truth in data. Founded by experts from the digital and polling worlds, we're erasing old industry lines that separate the process of conducting research from the tools to act on it. We optimize your message, pinpoint your target audience, and give you the power to track change in realtime.

We aim to simplify cybersecurity in the marketplace to accelerate your business outcomes. We have deep cloud & cybersecurity roots, proven track records and are ready to disrupt the consulting space. Employees matter – culture – remote workforce – professional autonomy and outcome based work make it an exciting place to be.

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...