Alternatives to Leidos
The top Defense companies similar to Leidos, ranked by relevance (named competitors first, then how closely their sectors overlap) and our 0-100 AI-readiness score. Each links to a full profile with funding and team.
Booz Allen Hamilton28DefenseMcLean, USA- CACACI91Government ContractingReston, United States
Peraton73Defense TechHerndon, United States$3.7B
General Dynamics71AerospaceReston, United States$60.0B
Northrop Grumman68Defense TechFalls Church, United States$2.5B
Sky-Spy39Defense Tech$16.0M- LOLockheed Martin29AerospaceBethesda, United States
- BABAE Systems12Defense TechLondon, United Kingdom
Maximus31GovTechReston, United States
Cargoseer15Transport and LogisticsTel Aviv, Israel$1.0M
Cyber SynergyGovernment ContractingAlexandria, United States- GlifederalsolutionsGovTechReston, United States
Jabil75ManufacturingSt. Petersburg, USA- PAParsons Corporation10DefenseChantilly, United States
WWT85CybersecuritySt. Louis, USA$63.0M- NTNTT DATA85IT ServicesTokyo, Japan$30.0B
- ATAtos75IT ServicesBezons, France
Cockroach Labs65EnterpriseNew York, United States$630.1M- CLCloudwave63HealthcareNew York, United States$78.4M
Medigate63HealthcareTel Aviv, Israel$50.3M
Cynerio61HealthcareTel Aviv, Israel$30.0M- VAVarjo60XRHelsinki, Finland$108.9M
Rackspace54Cloud InfrastructureSan Antonio, United States
CyberMDX54HealthcareTel Aviv, Israel$30.0M
Rilian54CybersecurityMcLean, USA$27.5M
Your.World50Digital TransformationLondon, United Kingdom$800.0M- PSPSIONIC49AIHampton, United States$27.0M
Supernova Invest48Venture CapitalParis, France$63.0M
Re:Build Manufacturing47ManufacturingFramingham, United States$545.0M- GAGalvanick46CybersecuritySeattle, United States$10.0M
- NANATO Innovation Fund45DefenseAmsterdam, Netherlands$1.0B
Cognizant43IT ServicesTeaneck, United States
Air Liquide38Industrial GasesParis, France
NNIT35IT ServicesCopenhagen, Denmark$12.8M
Neural Guard35HealthcareTel Aviv, Israel$1.0M
Cofomo34Digital TransformationMontreal, Canada- TATata Consultancy Services (TCS)34Information TechnologyMumbai, India
TCS (Tata Consultancy Services)33IT ServicesMumbai, India
Flowhow33Healthcare- Cloud Keepers33Cloud Security
- HAHappiest Minds33Digital TransformationBengaluru, India$61.0M
- WHWholeSum32AnalyticsUnited Kingdom$335K
- PRPrimary Ventures30Venture CapitalNew York, USA$1.2B
CyberRed30Healthcare
Infoclip30Managed ServicesParis, France$50.0M
Sequoia Capital29Venture CapitalMenlo Park, United States$3.1B
Lynx AI Technologies28Operating SystemSan Jose, Israel
SmartSen27HealthcareMoscow, Russia
Tech Mahindra27IT ServicesPune, India
Apax Partners25Private EquityLondon, United Kingdom$77.0B
Deliverables Agency23Artificial Intelligence
ReeVo S.p.A.22Cloud ComputingMilan, Italy
A.L.M Networks20IT ServicesMontreal, Canada- ISIsrael Aerospace Industries (IAI)18AerospaceLod, Israel
- CTCtrlS16Data Center ServicesHyderabad, India
Damco Solution10IT ServicesEdison, United States- HIHitachi10IndustrialTokyo, Japan
- Seon It8IT ServicesLondon, United Kingdom
- WEWebAir7Cloud InfrastructureGarden City, United States
- STSTV Group5DefenseCzech Republic
| Company | Sector | HQ | Funding | Score |
|---|---|---|---|---|
| Booz Allen Hamilton | Defense | McLean, USA | — | 28 |
| CACACI | Government Contracting | Reston, United States | — | 91 |
| Peraton | Defense Tech | Herndon, United States | $3.7B | 73 |
| General Dynamics | Aerospace | Reston, United States | $60.0B | 71 |
| Northrop Grumman | Defense Tech | Falls Church, United States | $2.5B | 68 |
| Sky-Spy | Defense Tech | — | $16.0M | 39 |
| LOLockheed Martin | Aerospace | Bethesda, United States | — | 29 |
| BABAE Systems | Defense Tech | London, United Kingdom | — | 12 |
| Maximus | GovTech | Reston, United States | — | 31 |
| Cargoseer | Transport and Logistics | Tel Aviv, Israel | $1.0M | 15 |
| Cyber Synergy | Government Contracting | Alexandria, United States | — | — |
| GovTech | Reston, United States | — | — | |
| Jabil | Manufacturing | St. Petersburg, USA | — | 75 |
| PAParsons Corporation | Defense | Chantilly, United States | — | 10 |
| WWT | Cybersecurity | St. Louis, USA | $63.0M | 85 |
| NTNTT DATA | IT Services | Tokyo, Japan | $30.0B | 85 |
| ATAtos | IT Services | Bezons, France | — | 75 |
| Cockroach Labs | Enterprise | New York, United States | $630.1M | 65 |
| CLCloudwave | Healthcare | New York, United States | $78.4M | 63 |
| Medigate | Healthcare | Tel Aviv, Israel | $50.3M | 63 |
| Cynerio | Healthcare | Tel Aviv, Israel | $30.0M | 61 |
| VAVarjo | XR | Helsinki, Finland | $108.9M | 60 |
| Rackspace | Cloud Infrastructure | San Antonio, United States | — | 54 |
| CyberMDX | Healthcare | Tel Aviv, Israel | $30.0M | 54 |
| Rilian | Cybersecurity | McLean, USA | $27.5M | 54 |
| Your.World | Digital Transformation | London, United Kingdom | $800.0M | 50 |
| PSPSIONIC | AI | Hampton, United States | $27.0M | 49 |
| Supernova Invest | Venture Capital | Paris, France | $63.0M | 48 |
| Re:Build Manufacturing | Manufacturing | Framingham, United States | $545.0M | 47 |
| GAGalvanick | Cybersecurity | Seattle, United States | $10.0M | 46 |
| NANATO Innovation Fund | Defense | Amsterdam, Netherlands | $1.0B | 45 |
| Cognizant | IT Services | Teaneck, United States | — | 43 |
| Air Liquide | Industrial Gases | Paris, France | — | 38 |
| NNIT | IT Services | Copenhagen, Denmark | $12.8M | 35 |
| Neural Guard | Healthcare | Tel Aviv, Israel | $1.0M | 35 |
| Cofomo | Digital Transformation | Montreal, Canada | — | 34 |
| TATata Consultancy Services (TCS) | Information Technology | Mumbai, India | — | 34 |
| TCS (Tata Consultancy Services) | IT Services | Mumbai, India | — | 33 |
| Flowhow | Healthcare | — | — | 33 |
| Cloud Security | — | — | 33 | |
| HAHappiest Minds | Digital Transformation | Bengaluru, India | $61.0M | 33 |
| WHWholeSum | Analytics | United Kingdom | $335K | 32 |
| PRPrimary Ventures | Venture Capital | New York, USA | $1.2B | 30 |
| CyberRed | Healthcare | — | — | 30 |
| Infoclip | Managed Services | Paris, France | $50.0M | 30 |
| Sequoia Capital | Venture Capital | Menlo Park, United States | $3.1B | 29 |
| Lynx AI Technologies | Operating System | San Jose, Israel | — | 28 |
| SmartSen | Healthcare | Moscow, Russia | — | 27 |
| Tech Mahindra | IT Services | Pune, India | — | 27 |
| Apax Partners | Private Equity | London, United Kingdom | $77.0B | 25 |
| Deliverables Agency | Artificial Intelligence | — | — | 23 |
| ReeVo S.p.A. | Cloud Computing | Milan, Italy | — | 22 |
| A.L.M Networks | IT Services | Montreal, Canada | — | 20 |
| ISIsrael Aerospace Industries (IAI) | Aerospace | Lod, Israel | — | 18 |
| CTCtrlS | Data Center Services | Hyderabad, India | — | 16 |
| Damco Solution | IT Services | Edison, United States | — | 10 |
| HIHitachi | Industrial | Tokyo, Japan | — | 10 |
| IT Services | London, United Kingdom | — | 8 | |
| WEWebAir | Cloud Infrastructure | Garden City, United States | — | 7 |
| STSTV Group | Defense | Czech Republic | — | 5 |