Diligence memo · auto-generated · as of July 3, 2026
Langan Engineering, Environmental, Surveying, Landscape Architecture & Geology, D.P.C.
Langan Engineering, Environmental, Surveying, Landscape Architecture & Geology, D.P.C. has raised $15M over 2 rounds; too few niche peers to rank its valuation yet.
Businessfiled
Langan Engineering, Environmental, Surveying, Landscape Architecture & Geology, D.P.C. operates in Environmental Services, based in PARSIPPANY.
No verified homepage on file yet — operating evidence is limited to the public record.
Capital & rounds (filed)filed
Langan Engineering, Environmental, Surveying, Landscape Architecture & Geology, D.P.C. has raised $15M 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: $11M on 2024-01-16.
Most recent recorded round closed around 2025-04-15.
Valuation (modeled)modeled
Provath models Langan Engineering, Environmental, Surveying, Landscape Architecture & Geology, D.P.C. at approximately $16M (range $5.6M–$29M). This is an algorithmic estimate from round sizes and same-niche peers — not a quoted or reported figure.
Too few comparable companies in this niche to rank the valuation fairly yet.
Financing rhythm & timingmixed
Historic cadence: a new round about every 15 months.
Last raise 15 mo ago; this sector typically re-raises about every 11 months.
Slightly overdue versus sector cadence.
The last round was 2.4× smaller than the prior — a bridge or down round.
Comparablesmixed
Capital scale ranks ahead of 81% of Environmental Services peers (242 compared).
Modeled value ranks above 40% of those peers.
Closest niche peers: You Pu Energy Environmental Protection Technology Group Ltd.
Peoplefiled
21 named people on file across officers, directors and signatories.
Risks & flagsmixed
No clearly named CEO/founder/principal in the surfaced records — key-person evidence is thin.