Diligence memo · auto-generated · as of July 2, 2026
Carbonflow Corp.
Carbonflow Corp. looks under-valued against its niche peers and is dormant on financing cadence.
Businessfiled
Carbonflow Corp. operates in Environmental Services, based in SAN FRANCISCO.
No verified homepage on file yet — operating evidence is limited to the public record.
Capital & rounds (filed)filed
Carbonflow Corp. has raised $4.6M in disclosed capital across 2 recorded rounds, aggregated from public filings. Its latest round is modeled as Series A (a $4.0M–$15M round).
Largest single filing: $4.2M on 2010-09-14.
Most recent recorded round closed around 2010-09-14.
Valuation (modeled)modeled
Provath models Carbonflow Corp. at approximately $93M (range $5.3M–$505M). This is an algorithmic estimate from round sizes and same-niche peers — not a quoted or reported figure.
Read: Under-valued. Modeled value is 0.65× the median modeled value of Series A Environmental Services companies in 2010–2012 (9 peers) — value vs value, same stage and era.
Financing rhythm & timingmixed
Historic cadence: a new round about every 5 months.
Last raise 15.8 yr ago; this sector typically re-raises about every 11 months.
Silent for over 3× the sector's normal cadence.
The last round stepped up 11.4× from the prior — scaling.
Comparablesmixed
Capital scale ranks ahead of 61% of Environmental Services peers (242 compared).
Modeled value ranks above 79% of those peers.
Closest niche peers: Seal Industries, Inc., NanoH2O, Inc., Mission NewEnergy Ltd, China Xuefeng Environmental Engineering Inc., OGM, Ltd..
Peoplefiled
6 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.