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Top Washington DC, Professional Services Companies (59)

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Artificial Intelligence • Professional Services • Business Intelligence • Consulting • Cybersecurity • Generative AI
74 Offices
364,000 Employees

We’re inspiring and empowering our people to change the world. Powered by the technology of today, you’ll work with diverse teams to build trust and create new client solutions in unexpected ways. The only way we can tackle the challenges of a fast-changing world is with people like you. Be a part of The New Equation.


Artificial Intelligence • Healthtech • Professional Services • Analytics • Consulting
36 Offices
13,000 Employees

ZS is a management consulting and technology firm that partners with companies to improve life and how we live it. We transform ideas into impact by bringing together data, science, technology and human ingenuity to deliver better outcomes for all. Founded in 1983, ZS has more than 13,000 employees in over 35 offices worldwide.


Professional Services • Security • Consulting • Cybersecurity • Data Privacy
2 Offices
78 Employees

Nisos is The Managed Intelligence Company™. We provide actionable intelligence services to solve critical “who, what, why, how” questions, helping to address the Fortune 2000’s unique security challenges and digital business risks. Our team solves your most complex security challenges. We deliver smarter defense and more effective responses against advanced cyber attacks, disinformation, and abuse of digital platforms. Nisos supports our clients' internal efforts by taking an “outside the firewall” approach. By engaging an “adversarial mindset” – we can support and integrate with our clients' existing security team to attribute actions to adversaries and proactively or reactively help our clients leverage intelligence to make better-informed decisions, controls, and minimize negative impact on their business, brand, and people. We work with our clients' intelligence, fraud, cybersecurity, trust and safety teams – and existing tech stacks – to answer questions, address their specific risks, and inform critical decisions.


Aerospace • Hardware • Professional Services • Robotics • Software • Defense • Manufacturing
3 Offices
420 Employees

Honeybee Robotics specializes in creating novel exploration systems for the most extreme environments and advanced motion control solutions for NASA, defense, and commercial programs. Our work has played a critical role in thousands of projects spanning from conceptual design studies to flight missions, including NASA's Artemis I Mission and the Roman Space Telescope. We look to "Touch Life" by supporting planetary science, including every NASA Mars rover since Spirit and Opportunity. We aim to "Mine the Sky" through the development of practical In-Situ Resource Utilization (ISRU) solutions.


Cloud • Professional Services • Security • Analytics • Consulting • Utilities • Renewable Energy
10 Offices
2,000 Employees

West Monroe is a digital services firm that was born in technology but built for business—partnering with companies in transformative industries to deliver quantifiable financial value. We believe that digital is a mindset—not a project, a team, or a destination—and it’s something companies become, not something they do. That’s why we work in diverse, multidisciplinary teams that blend management consulting, digital design, and product engineering to move companies from traditional ways of working to digital operating models—and create experiences that transcend the digital and physical worlds. Connected by the 13 founding values that drive our culture, our 2,000 employees work collaboratively across the firm with the belief that your success is our success.


Cloud • Marketing Tech • Professional Services • Social Impact • Software
5 Offices
1,500 Employees

Granicus provides technology and services that empowers government organizations to create seamless digital experiences for the people they serve. By offering the industry’s leading cloud-based solutions for communications, content management, meeting and agenda management, and digital services to more than 5,500 public sector organizations, Granicus helps turn government missions into quantifiable realities.


Cloud • Information Technology • Professional Services
7 Offices
171 Employees

Effectual, an AWS Premier Consulting Partner, is an innovative, cloud first managed and professional services company that works with commercial enterprises and the public sector to mitigate their risk and enable IT modernization. A deeply experienced and passionate team of problem solvers apply proven methodologies to business challenges across Amazon Web Services and VMware Cloud on AWS. Effectual is backed by Catalyst Investors and Lumerity Capital, private equity firms focused on investments in cloud and data infrastructure. Effectual is a member of the Cloud Security Alliance, and the PCI Security Standards Council.


Information Technology • Professional Services • Social Impact • Software • Consulting
Herndon, Virginia, USA
350 Employees

Deque (pronounced dee-cue) is a web accessibility software and services company, and our mission is Digital Equality. We believe everyone, regardless of their ability, should have equal access to the information, services, applications, and everything else on the web. We work with enterprise-level businesses and organizations to ensure that their sites and mobile apps are accessible. Installed in 475,000+ browsers and with 5,000+ audit projects completed, Deque is the industry standard.


HR Tech • Professional Services
Washington, District of Columbia, USA
300 Employees

The Midtown Group is a premier WBENC-certified, woman-owned staffing and solutions provider. As the “Best Place to Work” for high-performance entrepreneurial staffing professionals, The Midtown Group provides the most qualified resources specializing in IT, Legal, and Professional Services, to solve client problems and achieve their goals with the right solution, delivered with speed unmatched by competitors. With skilled professionals across the country, we offer contract, contract-to-hire, and direct hire solutions to the public and private sector. Currently, we are supporting 170+ government and commercial organizations in 36 states. As a leading staffing and consulting firm, we consistently win awards for being the best at what we do. • Inc 5000's Fastest Growing Companies in Private America – Inc. Magazine, 2023 • Fastest Growing Companies, ranked #28 – Washington Business Journal, 2023 • Fastest Growing US Staffing Firms – Staffing Industry Analysts, 2023 • Inc Best Workplaces – Inc. Magazine, 2023 • Best Places to Work, ranked #5 – Washington Business Journal, 2023 • Largest Temporary Staffing Companies in DC, ranked #2 – Washington Business Journal, 2023 • Largest Women-Owned Businesses in DC, ranked #8 – Washington Business Journal, 2023 • Inc Regional's Mid-Atlantic List, ranked #99 – Inc. Magazine, 2023 • Diversity-Owned Staffing Firms – Staffing Industry Analysts, 2023 • EY Entrepreneur Of The Year® 2023 Award Finalist, 2023 • Inc. Female Founders 200 – Inc. Magazine, 2023 Our mission is to connect people to life-changing career opportunities, and workplaces to remarkable, reliable talent. Midtown believes that every working professional should love what they do, and every customer deserves to have their requests met with red carpet service. As we continue to build partnerships with skilled professionals and growing organizations, we are committed to providing a network that connects everyone to the right fit at the right time.


Professional Services • Consulting
Alexandria, Virginia, USA
12 Employees

DevelopWell is a woman owned consulting practice that develops leaders and teams in values-driven organizations with a holistic and innovative approach. Our team brings years of experience from the technology, organizing, and People & Culture fields to ensure our clients are employing the best structures and practices that will allow their teams to achieve their full potential. To develop effective teams and fulfilled leaders we focus on the people, teams, and culture through: - Individual coaching for senior leaders and managers - Engaging workshops for management teams - Holistic consulting on organizational development and people policies

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Artificial Intelligence • Professional Services • Business Intelligence • Consulting • Cybersecurity • Generative AI
74 Offices
364000 Employees
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Cloud • Professional Services • Security • Analytics • Consulting • Utilities • Renewable Energy
10 Offices
2000 Employees
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Professional Services • Security • Consulting • Cybersecurity • Data Privacy
2 Offices
78 Employees
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Aerospace • Hardware • Professional Services • Robotics • Software • Defense • Manufacturing
3 Offices
420 Employees
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Artificial Intelligence • Healthtech • Professional Services • Analytics • Consulting
36 Offices
13000 Employees

Cloud • Professional Services • Analytics
Falls Church, Virginia, USA
298 Employees

IntelliDyne is a leading government information technology firm enabling better mission performance through innovative technology solutions. We manage public sector programs that deliver higher operational efficiency and measurable value to clients. We advise, develop, and execute effective solutions in Enterprise IT Management, Analytics, Cyber Security & Information Assurance, Application Development, and Cloud Computing.


Information Technology • Professional Services
Washington, District of Columbia, USA
62 Employees

Byte Back's mission is to close the digital divide by providing under-resourced communities an equitable pathway into the digital economy. We achieve this through transformative digital advocacy, digital literacy, and tech certification training. Through free computer and advanced IT certification classes, Byte Back helps graduates gain invaluable skills, experience higher rates of self-confidence, and launch successful new careers. Byte Back’s programs have provided a pathway to technology skill development and fulfilling living-wage careers for thousands of individuals in the District who have struggled with underemployment, unemployment, and poverty.


Professional Services
Annandale, Virginia, USA
31 Employees

True Zero Technologies is a Professional Services firm and authorized product reseller. Made up of passionate technologists, TZT delivers services for both the public and private sector, creating unique and scalable solutions based on business context driven requirements. TZT is rapidly expanding it's team to meet demand, we have many opportunities including long-term, multi-year contracts supporting Splunk instances large and small with ample opportunity to help shape large operational and security programs. Apply today! https://truezerotech.applicantpro.com/jobs/


Professional Services
Rockville, Maryland, USA
3,000 Employees

Westat offers innovative professional services to help clients improve outcomes in health, education, social policy, and transportation. We are dedicated to improving lives through research.


Artificial Intelligence • Professional Services • Software • Analytics
Washington, District of Columbia, USA

FiscalNote (NYSE: NOTE) is a leading technology provider of global policy and market intelligence. By uniquely combining AI technology, actionable data, and expert and peer insights, FiscalNote empowers customers to manage policy, address regulatory developments, and mitigate global risk. Since 2013, FiscalNote has pioneered technology that delivers mission-critical insights and the tools to turn them into action. Home to CQ, Equilibrium, FrontierView, Oxford Analytica, VoterVoice, and many other industry-leading brands, FiscalNote serves more than 5,000 customers worldwide with global offices in North America, Europe, Asia, and Australia. To learn more about FiscalNote and its family of brands, visit FiscalNote.com and follow @FiscalNote.


HR Tech • Information Technology • Professional Services • Software • Analytics
37 Offices
2,900 Employees

Paycor creates HR software for leaders who want to make a difference. Our Human Capital Management (HCM) platform modernizes every aspect of people management, from the way you recruit, onboard and develop people, to the way you pay and retain them. But what really sets us apart is our focus on business leaders. For 30 years, we’ve been listening to and partnering with leaders, so we know what they need: HR technology that saves time, powerful analytics that provide actionable insights and dedicated support from HR experts. That’s why more than 40,000 medium & small businesses trust Paycor to help them solve problems and achieve their goals.


Edtech • Other • Professional Services • Social Impact
Washington, District of Columbia, USA
172 Employees

Merit America is a national nonprofit that creates pathways to family-sustaining careers for Americans without college degrees, who are stuck in low-wage work. Our fast, flexible solutions are built for working adults: we start by analyzing tens of millions of job postings to identify in-demand, high-paying tech careers and then train for these roles with part-time programs that combine flexible online learning with best-in-class coaching. Finally, we work with a broad constellation of local and national employers like JPMorgan Chase and Infosys to place learners into higher-earning, family-sustaining jobs, driving an average wage gain of $19k. Merit America is on a mission to build a scalable pathway for workers to join the middle class through merit, not money. We’re on track to generate $1B in wage gains by 2024.


Healthtech • Professional Services • Software
11 Offices
1,069 Employees

WellSky is a technology company advancing human wellness worldwide. Our software and professional services address the continuum of health and social care — helping businesses, organizations, and communities solve tough challenges, improve collaboration for growth, and achieve better outcomes through predictive insights that only WellSky solutions can provide. WellSky serves more than 20,000 client sites around the world — including the largest hospital systems, blood banks and labs, home health and hospice franchises, government agencies, and human services organizations. Informed by 40 years of providing software and expertise, WellSky anticipates providers’ needs and innovates relentlessly to help people thrive. Our purpose is to empower care heroes with technology for good, so that together, we can realize care’s potential and maintain a healthy, flourishing world.


Professional Services
Silver Spring, Maryland, USA
35 Employees

Lumina Corps was formed with the purpose of bringing effective, best-in-class communications, research strategies and program support to organizations whose missions inspire us. We are formerly NOVA Research, a firm with a rich, 35-year history serving the biomedical communications, research, and events management needs of health and science agencies.


Big Data • Professional Services • Business Intelligence • Consulting
Arlington, Virginia, USA
70 Employees

Lovelytics is a data and analytics consultancy. We partner with people, teams, and organizations to deliver services and build solutions that drive outcomes while promoting self-sufficiency through hands-on enablement.