# DEEP FISSION, INC. hires MISSION STRATEGIES LLC (ENERGY) (Energy/Nuclear)

**Score:** 30/100

| Field | Value |
|---|---|
| Client | DEEP FISSION, INC. |
| Client description | Deep fission is an advanced nuclear reactor developer |
| Client state | CA |
| Lobbying firm | MISSION STRATEGIES LLC (ENERGY) |
| Firm state | TX |
| Issue areas | Energy/Nuclear |
| Specific matters disclosed | General lobbying DOE and Congress |
| Registered | 2026-10-14 |

## Why this score


Source: U.S. Senate and House Lobbying Disclosure Act (LDA) filings via lda.gov; Colorado Secretary of State, NYC City Clerk eLobbyist and City of Chicago Board of Ethics lobbying data (https://lda.gov/filings/public/filing/59190543-a5a7-4c63-a1c6-769993eea993/print/). Last refreshed: 2026-11-04T21:45:03.363Z.
From public Lobbying Disclosure Act registrations (lda.gov) and Colorado, New York City and City of Chicago lobbying disclosures. Organization level only: we never list lobbyist, CEO or contact names, and clients whose name reads as a person are left out. Chicago amounts are lobbyist compensation reported for the quarter, summed by client. A registration reports intent to lobby; it is not evidence of wrongdoing.