Booz Allen Hamiltonvs.Leidos
BAH vs LDOS · both in Communications & defense data, part of the Defense, security & space value chain: IT services, secure communications and data analytics for defense and intelligence.
Leidos is about 1.8× larger than Booz Allen Hamilton by market cap; Booz Allen Hamilton trades at the lower P/E (8.8 vs 13.2); year to date, Booz Allen Hamilton leads (−25.6% vs −40.7%).
Side by side
| BAH | LDOS | |
|---|---|---|
| Market cap | $7.5B | $13.5B |
| Price | $62.76 | $107.02 |
| Today | −0.6% | +0.4% |
| Return YTD | −25.6% | −40.7% |
| Return 1Y | −41.7% | −34.3% |
| P/E | 8.8 | 13.2 |
| P/S | 0.7 | 0.8 |
| P/B | 6.8 | 2.7 |
Data as of 2026-07-11 · updates daily after U.S. close
The two companies
Booz Allen HamiltonBAH
US consulting and technology firm with a strong focus on defense, intelligence and — increasingly — AI for government.
Full BAH profile →LeidosLDOS
US provider of IT services, data analytics and systems for defense, intelligence and government agencies.
Full LDOS profile →More comparisons in Communications & defense data
See where BAH and LDOS sit in the full Defense, security & space map — every segment from suppliers to end markets.Open the Defense value chain →