Diligence memo · auto-generated · as of July 2, 2026
Brimstone Energy, Inc.
Brimstone Energy, Inc. looks fair against its niche peers and is dormant on financing cadence.
Businessfiled
Brimstone Energy, Inc. operates in Construction, based in OAKLAND.
No verified homepage on file yet — operating evidence is limited to the public record.
Capital & rounds (filed)filed
Brimstone Energy, Inc. has raised $55M in disclosed capital across 1 recorded round, aggregated from public filings. Its latest round is modeled as Series C (a $40M–$100M round).
Largest single filing: $55M on 2022-03-11.
Most recent recorded round closed around 2022-03-11.
Valuation (modeled)modeled
Provath models Brimstone Energy, Inc. at approximately $352M (range $213M–$734M). This is an algorithmic estimate from round sizes and same-niche peers — not a quoted or reported figure.
Read: Fair. Modeled value is 1.17× the median modeled value of Series C Construction companies in 2022–2024 (6 peers) — value vs value, same stage and era. Within the normal band (117% of peer median) for its niche.
Financing rhythm & timingmixed
Last raise 4.3 yr ago; this sector typically re-raises about every 12 months.
Only one round on record and long silent — often defunct, acquired, or gone quiet.
Comparablesmixed
Capital scale ranks ahead of 97% of Construction peers (1338 compared).
Modeled value ranks above 98% of those peers.
Closest niche peers: NileBuilt Corp. / WY, Marina Station Investors LLC, Strata Millenia, LLC, SMC PM Holdings, LLC, Blue Ridge Repair Holdings, LLC.
Peoplefiled
2 named people on file across officers, directors and signatories.
Risks & flagsmixed
Financing has been silent well beyond sector cadence — possibly defunct, acquired, or paused.
No clearly named CEO/founder/principal in the surfaced records — key-person evidence is thin.