Companies · Climate / Cleantech

Sidewalk Infrastructure Partners, Llc

BROOKLYN · Climate / Cleantech · refined from filed group “Other · https://sidewalkinfra.com/

Diligence memoA one-page analyst read on Sidewalk Infrastructure Partners, Llc — recommendation, valuation, rhythm, risks.
$950.0M
Total raised · real
5
Rounds
0.5×
Latest step-up
Top 3%
Sector rank · raised
Series D+
Latest stage · inferred · Mon Oct 20 2025 00:00:00 GMT+0000 (Coordinated Universal Time)

Sidewalk Infrastructure Partners, Llc has raised $950M over 5 rounds; too few niche peers to rank its valuation yet.

Synthesized from the figures below est. — every claim rests on a number shown on this page. Valuation uses the climate/enviro sector profile.

Analyst read est. — computed against this company's niche peers in the same era. Inputs shown; not a quoted figure.

Active
  • Last raise 8 mo ago; this sector typically re-raises about every 9 months.
  • Raising on or ahead of the sector's normal rhythm.

Procedural diagnosis est. — rule-based common-sense checks over the filing pattern, issuer name, activity cadence, and surfaced operating evidence.

Issuer-vehicle patternmedium confidence

Sidewalk Infrastructure Partners, Llc behaves more like a recurring private-offering issuer than a conventional venture-backed operating company.

Issuer structure
Company-like
No recurring-offering pattern strong enough to override normal financing interpretation.
Lifecycle
6.9 yr record
Peak capital year was 2019 with $400.0M across 1 filings.
Market position
ahead of 98% of Climate / Cleantech peers
Capital scale is ahead of 98% of Climate / Cleantech peers; modeled value is above 89% of peers by modeled value. Large capital with mid-pack modeled value can signal an issuer/program profile rather than operating-company growth.
Valuation reliability
Normal applicability
Stage/dilution valuation models are weakest when the issuer is broad-sector, recurring, or vehicle-like.
Operating evidence
Some evidence
No clear CEO/founder/principal role is surfaced, so operating-company confidence is lower.
Data quality
Consistent
Canonical totals and visible filing detail are broadly aligned.
What triggered this
  • Legal name looks like an issuer vehicle rather than a product company.
  • No clearly named CEO/founder/principal role in the public records surfaced here.
  • Capital program peaked in 2019: $400.0M across 1 filings.
  • Largest single filing was $400.0M on 2019-08-17.
How to read the page
  • Read this less like a startup funding journey and more like a capital-raising program.
  • Stage-based valuation and peer labels have lower applicability for this pattern.
  • The more important signal is lifecycle: repeated filings ended years ago, so current activity needs outside confirmation.
Leadership

No named principal in this company's public records yet — see all operators below.

Explore how these operators interlock with other companies in the operator network.

Where it sits in Climate / Cleantech

Sidewalk Infrastructure Partners, Llc is one of 207 Climate / Cleantech companies tracked from BROOKLYN. By capital raised it ranks among the largest (ahead of 98% of sector peers), and in the upper tier by modeled valuation est..

Ranking is computed against this company's own sector cohort — reported capital is fact; valuation tiers are modeled.

AI analyst read est. — model-extracted from this company's public description, not a verified fact. 30%

operates a technology-led product inferred from public copy

Grounded in: “You are a venture analyst

Pioneering technology-enabled infrastructure to transform urban life and create long-term value.

Pioneering technology-enabled infrastructure to transform urban life and create long-term value. The explosive growth of energy use and compute across the economy is pushing today’s systems to their limits. To avoid crises and unlock unprecedented opportunities, infrastructure must shift from static, legacy assets to intelligent, scalable systems. SIP builds the businesses and projects that make that possible. We invest in and develop breakthrough businesses and projects at the intersection of resilient, intelligent, and scalable energy and digital systems. Renew Home is a leading builder and operator of residential virtual power plants (VPPs), aggregating energy from millions of households into a unified resource that strengthens the grid. Verrus builds the next generation of data centers—designed with flexibility, sustainability, and community needs at the forefront.

climate/cleantechenergy
Find Sidewalk Infrastructure Partners online

Trades publicly as Sidewalk Infrastructure Partners.

As reported in public records reported — not modeled.

US
Jurisdiction
Rule 506(b)
Reg D exemption
1
Investors (latest)
2025-10-20
First sale
Amount raised vs valuation, by round

Solid bars are reported offering amounts reported; hatched bars are the modeled post-money valuation est. — both on one shared scale so you can read raise-vs-worth at each round directly. Use the toggles to overlay data labels and the niche-peer / market average value lines.

Amount raised · realModeled valuation · estCumulative funded · real
$0$5.0B$10.0B$15.0B$20.0BSeries D+ · 2019-08-17 Raised $400M (real) Modeled valuation $10.1B (est)$400M$10.1BSeries D+2019Series D+ · 2021-09-07 Raised $190M (real) Modeled valuation $3.7B (est)$190M$3.7BSeries D+2021Series D+ · 2022-01-14 Raised $60M (real) Modeled valuation $1.1B (est)$60M$1.1BSeries D+2022Series D+ · 2025-04-28 Raised $200M (real) Modeled valuation $1.7B (est)$200M$1.7BSeries D+2025Series D+ · 2025-10-20 Raised $100M (real) Modeled valuation $763M (est)$100M$763MSeries D+2025+$190M+$60M+$200M+$100MCumulative $950M

The line shows cumulative reported funding over the period; + labels show new capital added between points when there is room. Toggle on-bar figures, plus the niche-peer and market averages, to read this company against its cohort. Benchmarks are modeled medians.

Financing ladder & sequence gaps
Series D+$400.0M · 2019
Series D+ extension$190.0M · 2021
Series D+ extension$60.0M · 2022
Series D+ extension$200.0M · 2025
Series D+ extension$100.0M · 2025

Stages are modeled from round size (public records carry no series label). No record for: Pre-Seed, Seed, Series A, Series B, Series C — the company may have raised it under a different exemption, merged it into an adjacent record, or skipped it. Sequence completeness: 17%.

Modeled valuation trajectory
$762.7M
Base estimate est.
$521.3M
Conservative case
$913.3M
Upside case
$833.3M
Modeled post-money

Round size and date are reported; the stage label is inferred from round size (latest is Series D+a $100M–$400M round). Valuation is modeled from stage benchmarks scaled by the climate/enviro sector profile. Directional, not a quoted figure.

Series D+ · modeled $10.1B · 2019-08-172019Series D+ · modeled $3.7B · 2021-09-07Series D+ · modeled $1.1B · 2022-01-14Series D+ · modeled $1.7B · 2025-04-28Series D+ · modeled $762.7M · 2025-10-202025
Model inputs · modeled:benchmark-stage-stepup-v1
12%
Dilution assumption
Implied ownership sold in the financing.
78%
Survival probability
63% low · 87% high
1.25×/yr
Annual markup
1.40×/yr upside case
0.7 yr
Elapsed time used
0.7 yr actual, capped for stale marks
climate/enviro
Sector profile
Adjusts growth and survival by industry.
Financing rhythm
19 mo
Avg between rounds
$153.8M/yr
Capital velocity
6.9 yr
On record since
2019
First round
5
Rounds on file
How it compares to the market

Benchmarked against 207 companies in Climate / Cleantech. Each bar is a median (the middle company, not an average — outliers don't skew it). Two yardsticks: real money raised (reported on Form D) and modeled value (our estimate est.). These are whole-sector medians across all stages, except the per-stage row.

Total raised — vs sector median (real $, all stages) 118× above median
This company$950.0M
Sector median$8.1M
Latest round — vs other Series D+ rounds in sector (real $, this stage) 0.8× of median
This company$100.0M
Sector median$126.1M
Modeled value — vs sector median (estimate, all stages) 13× above median
This company$762.7M
Sector median$59.8M

Raised more than 98% of sector peers (real $). Modeled value above 89% of peers (estimate).

Niche peers — same stage & era

A tighter cohort than the sector chart above — only companies at the same stage (Series D+) that last raised in the same ~3-year era, ranked by modeled value est. (not money raised). This is the exact set the analyst read compares against, so a like-for-like cohort is what makes "over/under-valued" meaningful.

Not enough valued peers in this cohort to chart positioning.

CompanyStageRaised · realValue · estvs peer med.
Sun KingSeries D+$156.0M$1.3B1.24×
Sidewalk Infrastructure Partners, Llc this companySeries D+$950.0M$762.7M0.76×
Full financing history

Stage is inferred from round size est., not reported on the filing — a round's dollar size maps to a bucket: Pre-Seed <$1.0M · Seed $1.0M–$4.0M · Series A $4.0M–$15M · Series B $15M–$40M · Series C $40M–$100M · Series D+ $100M–$400M · Growth/Late >$400M.

StageAmount · realAnnouncedPost-money · estValue · estConf.
Series D+$400.0M2019-08-17$3.3B$10.1B90%
Series D+$190.0M2021-09-07$1.6B$3.7B90%
Series D+$60.0M2022-01-14$500.0M$1.1B90%
Series D+$200.0M2025-04-28$1.7B$1.7B90%
Series D+$100.0M2025-10-20$833.3M$762.7M90%
What happened at each round

Step-up, pace versus the sector's normal cadence, and revenue/exemption moves — read straight from the reported round facts reported.

  1. Series D+$400.0M2019-08-17
    • First recorded raise — entered as Series D+.
    • 5 investors on this round.
  2. Series D+$190.0M2021-09-07
    • Raised again after 25 mo — slower than the ~9 mo sector norm.
    • Round 2.1× smaller than the prior — bridge or down round.
    • 1 investor on this round.
  3. Series D+$60.0M2022-01-14
    • Came back fast: 4 mo vs the ~9 mo sector norm.
    • Round 3.2× smaller than the prior — bridge or down round.
    • 1 investor on this round.
  4. Series D+$200.0M2025-04-28
    • Raised again after 39 mo — slower than the ~9 mo sector norm.
    • Round 3.3× larger than the prior — scaling up.
    • 1 investor on this round.
  5. Series D+$100.0M2025-10-20
    • Raised 6 mo later, in step with the ~9 mo sector norm.
    • Round 2.0× smaller than the prior — bridge or down round.
    • 1 investor on this round.
Intelligence
2027 ~Q2
Modeled next raise · ~19mo cadence
$100.0M
Modeled next size est.range $100.0M$160.0M
0.5×
Last step-up
$153.8M/yr
Capital velocity

Predictive signals are modeled est. from this company's own cadence and step-up, plus sector benchmarks — directional, not advice. Peer set and a CSV export live in your analyst workspace.

Key people & operators

Officers, directors and promoters named in this company's public recordsreported — the people who run it (not its investors). "Also runs" counts come from name-matching across all records, so verify before acting.

PersonRoleAlso runsTied since
Adam Barker3 other2019-08
Daniel Doctoroff3 other2019-08
Michelle Brooks2 other2025-04
Brian Barlow1 other2019-08
Jonathan Winer1 other2019-08
Olivia Steedman1 other2019-08
Sara Lewis1 other2025-04
Bryan Bedard2025-04
Dale Burgess2019-08
Registry & provenance

Sidewalk Infrastructure Partners, Llc is an official record sourced from the U.S. Securities and Exchange Commission (SEC). U.S. data is aggregated from SEC Form D filings.

United States
Country of record
US
Jurisdiction
1768502
SEC CIK
Similar companies

Nearest neighbours across the whole database — matched on sector, stage and capital scale, and on shared operators (officers or directors named at both companies in public filings). A discovery shortlist, not a valuation cohort — verify before acting, the same way modeled figures are directional.

CompanySectorStageRaised · realValue · estWhy similar
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Solugen, Inc.Climate / CleantechSeries D+$425.9M$6.9Bsame sector · same stage
Ambiq Micro, Inc.Climate / CleantechSeries D+$405.5M$3.0Msame sector · same stage
Aurora Solar Inc.Climate / CleantechSeries D+$398.5M$3.5Bsame sector · same stage
Mavis Tire Express Services TopCo, L.P.Climate / CleantechGrowth/Late$949.0M$20.5Bsame sector
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Semantically similar

Matched by meaning, not labels — a local language model reads each company's name, sector and description and ranks the closest in that learned space. This catches look-alikes that cross sector boundaries; the structured list above explains its matches, this one trusts the text. Directional, like every modeled signal here.

CompanySectorStageValue · estMatch
Perl Street
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Correlate Infrastructure Partners, Inc.Other EnergySeed$7.3M75%
Voxel Energy
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Climate / Cleantech75%
Uber Technologies, Inc
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Alpha Infrastructure Partners, LlcOther TechnologyPre-Seed$4.2M75%
Renew Energy Partners, LLCEnergy ConservationPre-Seed$9.6M74%
TENDERD
AI Platform for Efficient and Sustainable Operations
Climate / Cleantech74%
Digital Infrastructure Inc.Software / TechSeries A$131.1M74%
Frequently asked
How much funding has Sidewalk Infrastructure Partners, Llc raised?
Sidewalk Infrastructure Partners, Llc has raised approximately $950.0M in disclosed capital across 5 recorded financing rounds, aggregated from public filings.
What is Sidewalk Infrastructure Partners, Llc's estimated valuation?
Provath's modeled valuation for Sidewalk Infrastructure Partners, Llc is approximately $762.7M (modeled range $521.3M–$913.3M). This is an algorithmic estimate derived from round sizes and same-niche peers — not a quoted or reported figure.
What funding stage is Sidewalk Infrastructure Partners, Llc at?
Sidewalk Infrastructure Partners, Llc's latest modeled financing stage is Series D+. Its most recent recorded round closed around Mon Oct 20.
What does Sidewalk Infrastructure Partners, Llc do and where is it based?
Sidewalk Infrastructure Partners, Llc operates in the Climate / Cleantech sector, based in BROOKLYN. Pioneering technology-enabled infrastructure to transform urban life and create long-term value.
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