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Top Arlington, VA Startups (212)

Nisos
Professional Services • Security • Software • Consulting • Cybersecurity • Generative AI • Data Privacy
2 Offices
70 Employees
63 Benefits Hiring Now
Unmask adversaries. Protect against human risk and digital threats.

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,...

Nisos
Northslope
Artificial Intelligence • Information Technology • Software • Analytics • Consulting • Generative AI
4 Offices
100 Employees
21 Benefits Hiring Now
Hard Problems. Startup Autonomy. Inspiring Teammates.

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...

Northslope
MORSE Corp
Aerospace • Artificial Intelligence • Computer Vision • Machine Learning • Natural Language Processing • Software • Defense
3 Offices
195 Employees
48 Benefits Hiring Now
Welcome to MORSE!

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.

MORSE Corp
Bellagent
Artificial Intelligence • Machine Learning • Business Intelligence • Generative AI
3 Offices
20 Employees
14 Benefits Hiring Now
The AI agent builder for everyday operators.

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...

Bellagent
WireWheel.io
Security • Software
Arlington
64 Employees
Hiring Now

Data privacy management made simple. Solve the most pressing challenges of GDPR, CCPA & prepare to meet evolving privacy laws around the world. See how.

WireWheel.io
Blue Altair
Consulting
Arlington
189 Employees
Hiring Now

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...

Blue Altair
Ten Mile Square Technologies
Information Technology • Consulting
Arlington
14 Employees
Hiring Now

When the answer isn’t obvious, it’s time to call in Ten Mile Square. Our clients present us with some of the most difficult technology, product, and strategy related challenges imaginable. We provide the leadership, experience, processes, technical know-how, and focus on business value necessary to deliver products and technology that succeed in the marketplace for the long-term. Our services span the...

Ten Mile Square Technologies
Zetier
Cybersecurity
Arlington
16 Employees
Hiring Now

Zetier develops world-class cybersecurity products that protect our nation and our communities.

Zetier
M+R
Other
Washington
189 Employees
11 Benefits Hiring Now

We are communicators, marketers, fundraisers, and campaigners who unleash the power of people to do good. We work exclusively with nonprofits fighting for a just and sustainable world.

M+R
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Common App
Software
Arlington
129 Employees
Hiring Now

Common App is a not-for-profit organization of nearly 900 colleges and universities in the United States and around the world. Since 1975, Common App has been committed to the pursuit of access, equity, and integrity in the college admission process.

Common App
U.S. Dairy Export Council
Retail • Sales • Manufacturing
Arlington
93 Employees
Hiring Now

The U.S. Dairy Export Council represents dairy farmers, processors, cooperatives, ingredient suppliers and export traders. Our mission is to enhance U.S. competitiveness in global dairy markets

U.S. Dairy Export Council
Allocore
Cloud • Fintech • Security • Software • Financial Services
Arlington
59 Employees
Hiring Now
Trillions in government loans and grants processed, billions in fraud prevented, one platform—Allocore.

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...

Allocore
ICA, Inc.
Food • Healthtech • Consulting
Arlington
57 Employees
Hiring Now

ICA is an innovative force driving transformative solutions for prestigious institutions like the U.S. Food and Drug Administration (FDA), Centers for Medicare & Medicaid Services (CMS), Agency for Healthcare Research and Quality (AHRQ), and Federal Aviation Administration (FAA). Our dedication to cutting-edge technology and impactful partnerships has established us as an essential collaborator in the AI, analytics, and research landscapes. Our...

ICA, Inc.
Trilogy Federal
Information Technology • Financial Services
Arlington
121 Employees
Hiring Now

Founded in 2009 and headquartered in the Washington DC metro area, Trilogy Federal is a verified service-disabled, veteran-owned small business (SDVOSB) providing financial management and information technology consulting to the Federal government. Trilogy has an extensive and distinctive history helping Federal clients achieve their financial management goals. Our leadership team has over 60 years of combined experience supporting Federal financial...

Trilogy Federal
SC&A, Inc.
Consulting • Energy
Arlington
68 Employees
Hiring Now

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.

SC&A, Inc.
Florence Health
Healthtech
Arlington
34 Employees
Hiring Now

Florence Health is a technology-driven health care company. The company takes total cost of care risk for patients in partnership with the government and other payers, and leverages its proprietary technology to improve primary care outcomes through a network of independent affiliated practices as well as select staff-model Florence-branded clinics operated with strategic partners. The Company's core technology platform, Nightingale,...

Florence Health
Forum One
Information Technology
2 Offices
147 Employees
Hiring Now

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.

Forum One
GCyber
Information Technology • Cybersecurity
Arlington
48 Employees
Hiring Now

GCyber was founded to create innovative information technology solutions for the federal, state, and commercial markets. GCyber engineers have provided professional services supporting the information technology industry for over 15 years. Along with our engineering staff, we have relationships with partners, vendors, and analysts who have specialized expertise in the federal market. GCyber’s broad experience, focus toward execution with measurable...

GCyber
Procon Consulting
Arlington
155 Employees
Hiring Now

Procon is a small business with big experience. Since 2000 it has provided program and project management for some of the largest and most complex construction and real estate projects in the national capital region and nationwide. Procon's expertise is focused on four related business lines: DESIGN & CONSTRUCTION MANAGEMENT Procon provides comprehensive construction management services that projects from vision to completion...

Procon Consulting
ITC Defense Corp
Software • Cybersecurity • Defense
Arlington
64 Employees
Hiring Now

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...

ITC Defense Corp

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