Diligence memo · auto-generated · as of July 1, 2026
Polystyvert Inc.
Polystyvert Inc. looks fair against its niche peers and is dormant on financing cadence.
Businessfiled
Polystyvert Inc. operates in Environmental Services, based in ANJOU.
No verified homepage on file yet — operating evidence is limited to the public record.
Capital & rounds (filed)filed
Polystyvert Inc. has raised $557K in disclosed capital across 1 recorded round, aggregated from public filings. Its latest round is modeled as Pre-Seed (a round under $1.0M).
Largest single filing: $557K on 2018-05-11.
Most recent recorded round closed around 2018-05-11.
Valuation (modeled)modeled
Provath models Polystyvert Inc. at approximately $19M (range $341K–$213M). This is an algorithmic estimate from round sizes and same-niche peers — not a quoted or reported figure.
Read: Fair. Modeled value is 1.45× the median modeled value of Pre-Seed Environmental Services companies in 2016–2018 (15 peers) — value vs value, same stage and era. Within the normal band (145% of peer median) for its niche.
Financing rhythm & timingmixed
Last raise 8.1 yr ago; this sector typically re-raises about every 11 months.
Only one round on record and long silent — often defunct, acquired, or gone quiet.
Comparablesmixed
Capital scale ranks ahead of 25% of Environmental Services peers (242 compared).
Modeled value ranks above 46% of those peers.
Closest niche peers: Pittsburgh Water Holdings, LLC, Neotop Water Systems Ltd., Sampleserve, Inc., American Micro Detection Systems, Inc., Rainwater Management Solutions Inc.
Peoplefiled
5 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.