Diligence memo · auto-generated · as of July 2, 2026
Sidewalk Infrastructure Partners, Llc
Sidewalk Infrastructure Partners, Llc has raised $950M over 5 rounds; too few niche peers to rank its valuation yet.
Businessfiled
Sidewalk Infrastructure Partners, Llc operates in Climate / Cleantech, based in BROOKLYN. Pioneering technology-enabled infrastructure to transform urban life and create long-term value.
Sub-sector tags: climate/cleantech, energy.
Capital & rounds (filed)filed
Sidewalk Infrastructure Partners, Llc has raised $950M in disclosed capital across 5 recorded rounds, aggregated from public filings. Its latest round is modeled as Series D+ (a $100M–$400M round).
Largest single filing: $400M on 2019-08-17.
Most recent recorded round closed around 2025-10-20.
Valuation (modeled)modeled
Provath models Sidewalk Infrastructure Partners, Llc at approximately $763M (range $521M–$913M). 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 19 months.
Last raise 8 mo ago; this sector typically re-raises about every 9 months.
Raising on or ahead of the sector's normal rhythm.
The last round was 2.0× smaller than the prior — a bridge or down round.
Comparablesmixed
Capital scale ranks ahead of 98% of Climate / Cleantech peers (207 compared).
Modeled value ranks above 89% of those peers.
Closest niche peers: Sun King.
Peoplefiled
9 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.