Leidos Holdings competitors, on the record

Who Leidos Holdings names

In its own words

1. Accenture Federal Services LLC, Amentum Services Inc., BAE Systems, Booz Allen Hamilton Inc., CACI International Inc., Deloitte, General Dynamics Corporation, GovCIO, IBM, KBR, Inc., L3Harris Technologies, Inc., Lockheed Martin Corporation, ManTech, Northrop Grumman Corporation, Optum, Parsons Corporation, Peraton Inc., RTX Corporation, SAIC

   Word for word“Our principal competitors currently include the following companies: Accenture Federal Services LLC, Amentum Services Inc., KBR, Inc., BAE Systems, Booz Allen Hamilton Inc., CACI International Inc., Deloitte, General Dynamics Corporation, GovCIO, IBM, KBR Inc., L3Harris Technologies, Inc., Lockheed Martin Corporation, ManTech, Northrop Grumman Corporation, Optum, Parsons Corporation, Peraton Inc., RTX Corporation and SAIC.” 10-K for 2026

Who names Leidos Holdings

Companies whose own annual reports name Leidos Holdings as a competitor.

1. AeroVironment names it as “Leidos Holdings, Inc.” · 2026

   Word for word“The cyber and mission solutions areas are highly competitive, with principal competitors including L3Harris Technologies, Inc., Thales Group, Anduril Industries, Inc., Sierra Nevada Corporation, Lockheed Martin Corporation, Booz Allen Hamilton Inc., and Leidos Holdings, Inc.” 10-K for 2026

2. Amentum Holdings names it as “Leidos Holdings Inc.” · 2025

   Word for word“Amentum's primary competitors include Booz Allen Hamilton Inc., CACI International Inc., KBR Inc., Leidos Holdings Inc., ManTech International Corporation, Parsons Corporation, Peraton Corporation, Science Applications International Corporation and V2X, Inc.” 10-K for 2025

3. Csra names it as “Leidos” · 2017

   Word for word“Some of our competitors in this category include Leidos, Booz Allen Hamilton, CACI, SAIC, Engility, ManTech International Corporation, and ICF International, Inc.” 10-K for 2017

4. Engility Holdings names it as “Leidos Holdings, Inc.” · 2017

   Word for word“Those competitors that are most like Engility in terms of their breadth of market coverage include services-focused companies such as Booz Allen Hamilton Holding Corporation, CACI International Inc., CSRA Inc., Leidos Holdings, Inc., ManTech International Corporation, Science Applications International Corporation (SAIC), and Vencore; operating units of large multi-segment defense contractors and industry conglomerates including AECOM Technology Corporation, BAE Systems, Inc., General Dynamics Corporation, KBR, Inc., Jacobs Engineering Group Inc., Northrop Grumman Corporation and Raytheon Company as well as many other large and small entities depending on the expertise requirements of government customers.” 10-K for 2017

5. Maximus names it as “Leidos” · 2025

   Word for word“Our primary competitors in the U.S. Federal Services Segment are General Dynamics Information Technology, Deloitte, Leidos, IBM, Accenture, Booz Allen Hamilton, and other federal contractors.” 10-K for 2025

6. PAE names it as “Leidos Holdings, Inc.” · 2020

   Word for word“PAE’s principal competitors include Amentum Services, Inc, Booz Allen Hamilton, CACI International Inc., Jacobs Engineering Group Inc., KBR, Inc., Leidos Holdings, Inc., Parsons Corporation and Science Applications International Corporation.” 10-K for 2020

7. Perspecta names it as “Leidos Holdings, Inc.” · 2020

   Word for word“Some of our competitors in this category include Leidos Holdings, Inc., Booz Allen Hamilton Inc., CACI International Inc., Science Applications International Corporation and ManTech International Corporation.” 10-K for 2020

8. Tetra Tech names it as “Leidos, Inc.” · 2025

   Word for word“We believe that our principal competitors include the following firms, in alphabetical order: AECOM; Arcadis NV; AtkinsRéalis; Black & Veatch Corporation; Booz Allen Hamilton; Brown & Caldwell; CDM Smith Inc.; Exponent, Inc.; GHD; ICF International, Inc.; Jacobs Solutions, Inc.; Leidos, Inc.; SAIC; Stantec Inc.; TRC Companies, Inc.; Weston Solutions, Inc.; and WSP Global Inc.” 10-K for 2025

9. V2x names it as “Leidos Holdings, Inc.” · 2025

   Word for word“Our principal competitors include Amentum Holdings, Inc., Valiant Integrated Services, divisions of Leidos Holdings, Inc., Science Applications International Corp., General Dynamics Corporation Technologies Segment., KBR, Inc., Fluor Corporation, Intrepid Global Solutions, AAR Corp., M1 Support Services, L.P., Marvin Engineering Co., and divisions of Northrop Grumman Corporation, among others.” 10-K for 2025

Read from Leidos Holdings’s annual reports (10-K for 2026, 10-K for 2025, 10-K for 2023) and the financial data it files with the SEC, as of 2026-02-17. Every quotation is word for word from the filing linked beside it; how these pages are built and checked. The full record is in its company data sheet.