Leidos

Leidos

Defense and IT services company providing scientific engineering and systems integration services to government and commercial markets.

About Leidos

Leidos is a leading innovation company specializing in cybersecurity and serving various industries with a focus on national security and health. With approximately 48,000 employees and annual revenues of around $15.4 billion, Leidos employs cutting-edge technology to tackle complex challenges for clients in heavily regulated sectors. Headquartered in Reston, Virginia, the company values meaningful work and aims to create an inclusive environment, as reflected in its recognition on several prestigious lists, including Forbes’ Best Employers for Diversity. Leidos emphasizes employee development through career enrichment opportunities, flexible work arrangements, and a commitment to work-life balance. The company also fosters community and collaboration through Employee Resource Groups, ensuring that all employees feel engaged and valued. With a mission to create smarter solutions, Leidos continues to attract talent eager to make an impact in critical areas of society.

Editorial Review

Our take on Leidos

Leidos is a Fortune 500 innovation company headquartered in Reston, Virginia, with approximately 47,000 employees and annual revenues exceeding $15 billion. The company emerged from the 2013 split of the original SAIC and subsequently merged with Lockheed Martin's IS&GS division in 2016 to become the defense industry's largest IT services provider.

The company operates through four central divisions: Civil, Health, Advanced Solutions, and Defense & Intelligence. Their systems integration services span aviation systems, transportation security, critical infrastructure, smart grid implementations, and health IT solutions. Leidos' acquisition of Dynetics in 2020 strengthened their space and advanced solutions capabilities.

Leidos has secured landmark contracts including a $31.5 billion agreement to modernize the FAA's Air Traffic Control System, demonstrating their capability to handle the most complex national infrastructure projects. Their Civil division provides systems integration to air navigation service providers worldwide.

The company maintains a strong reputation for technical innovation, with capabilities spanning digital modernization, AI/ML, cloud services, and cybersecurity. Recent recognition includes being named among Forbes' Best Employers for Diversity and Ethisphere's World's Most Ethical Companies. For organizations requiring a partner capable of the largest and most complex integration challenges, Leidos represents a proven choice with unmatched scale.

Badges & Credentials

Verified credentials and recognition earned by Leidos

5 badges

Verification

Verified

This agency has a verified website presence.

LinkedIn Verified

This agency has a verified LinkedIn company page.

Recognition

Top Rated

This agency has an exceptional AgencyCluster score of 80+.

Experience

15+ Years

Established in 1969. Over 15 years of experience.

Company

Enterprise

Enterprise (500+)

Awards & Recognition

Rankings earned on AgencyCluster

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About Leidos

Common questions about Leidos.

Where does Leidos rank on AgencyCluster?

Leidos has earned rankings on 4 AgencyCluster lists: Top 50 Systems Integration Services, Top 10 Systems Integration Services in Virginia, Top 25 Systems Integration Services, Top 10 Systems Integration Services. Their highest AgencyCluster Score is 100/100. Rankings are merit-based and determined by evidence across six evaluation pillars — agencies cannot pay for higher positions.

What are Leidos's strengths according to AgencyCluster?

In our evaluation for Systems Integration Services, Leidos scores 100/100 overall. Their strongest areas are Credibility, Proof of Work & Outcomes, Reputation, Category Fit, Delivery Maturity, Freshness. A high Outcomes score means they have verifiable case studies with measurable results — the most heavily weighted factor in our methodology.

How long has Leidos been in business?

Leidos was founded in 1969, giving them over three decades of experience in systems integration services. In an industry where many agencies are less than 5 years old, 57+ years of sustained operations signals stability, client retention, and the ability to adapt through multiple technology cycles. Today, the team is enterprise.

Is Leidos a verified agency?

Yes. Leidos has been vetted and verified by AgencyCluster's editorial team through a rigorous, multi-factor review process. Unlike self-serve directories, AgencyCluster does not accept automated submissions — every agency is evaluated manually before being published. Our vetting covers identity verification (website, LinkedIn, domain age), business legitimacy (years of operation, team size, registered presence), evidence of work (case studies, portfolio, client outcomes), reputation checks across third-party platforms, activeness and freshness of their online presence, and screening for red flags including misconduct, fraud, or misleading claims. Agencies that fail any critical check are not listed. For Leidos, verified signals include a functioning website, LinkedIn company profile, 57+ years of operating history (founded 1969), 4 earned rankings on curated top lists.