Sidewalk Infrastructure Partners: Funding & Investors (Aug 2026)
Sidewalk Infrastructure Partners seeks to transform urban systems through technology. Sidewalk Infrastructure holds, operates, and invests in advanced infrastructure projects, as well as the technology companies applying innovations to these projects. Formed as a new spin-out company of Sidewalk Labs, the urban innovation business of Alphabet Inc. (Google’s parent company), Sidewalk Infrastructure believes in technology’s ability to make infrastructure more sustainable, intelligent, and efficient.
Sidewalk Infrastructure Partners has raised $1.1B across 4 funding rounds on record, the most recent an undisclosed round of $100M announced in Nov 2025.
That round is above the $3.0M median round size for Other companies tracked on FundedIQ over the last two years.
Sidewalk Infrastructure Partners Company Profile and Key Stats
Latest funding round on record: Nov 2025.
Sidewalk Infrastructure Partners Funding Rounds
Sidewalk Infrastructure Partners raised $400M in an undisclosed round announced in May 2020.
1.8 years later, an undisclosed round of $400M was announced in Feb 2022.
3.8 years later, an undisclosed round of $200M was announced in Nov 2025.
An undisclosed round of $100M was announced in Nov 2025.
Sidewalk Infrastructure Partners Founders and Leadership Team
Contact details for the Sidewalk Infrastructure Partners team: 2 of 2 have an email address on file, 1 has a LinkedIn profile.
Start 14-day free trial →Sidewalk Infrastructure Partners Funding Compared to Other Other Startups
Sidewalk Infrastructure Partners' latest round of $100M is above the median round in Other. Medians cover the last 24 months of disclosed rounds.
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Sidewalk Infrastructure Partners Funding FAQs
What does Sidewalk Infrastructure Partners do?
Sidewalk Infrastructure Partners seeks to transform urban systems through technology. Sidewalk Infrastructure holds, operates, and invests in advanced infrastructure projects, as well as the technology companies applying innovations to these projects. Formed as a new spin-out company of Sidewalk Labs, the urban innovation business of Alphabet Inc. (Google’s parent company), Sidewalk Infrastructure believes in technology’s ability to make infrastructure more sustainable, intelligent, and efficient.
How much funding has Sidewalk Infrastructure Partners raised?
Sidewalk Infrastructure Partners has raised $1.1B across 4 rounds on record. The most recent is an undisclosed round of $100M announced in Nov 2025.
When did Sidewalk Infrastructure Partners last raise funding?
Sidewalk Infrastructure Partners' most recent funding round on record is an undisclosed round of $100M, announced in Nov 2025.
Who is the CEO of Sidewalk Infrastructure Partners?
Brian Barlow is listed as CEO at Sidewalk Infrastructure Partners.
Where is Sidewalk Infrastructure Partners headquartered?
Sidewalk Infrastructure Partners is based in New York, United States.
How many employees does Sidewalk Infrastructure Partners have?
Sidewalk Infrastructure Partners is in the 51-100 employee band.
How does Sidewalk Infrastructure Partners' funding compare to other Other startups?
Sidewalk Infrastructure Partners' latest round of $100M is above the $3.0M median round size for Other companies on FundedIQ across 1,391 tracked companies over the last two years.
About FundedIQ's Sidewalk Infrastructure Partners Funding Data
FundedIQ tracks announced funding rounds and refreshes this profile every week. Round dates, stages and amounts are normalised to a single format, converted to US dollars, and de-duplicated: two records of the same round announced days apart are merged, and two genuinely different rounds are kept apart on the amounts they disclose. Amounts shown are the disclosed figures only — a round announced without a number is listed and excluded from the total rather than estimated.
Employee counts are reported bands, not exact headcounts. Founder and executive names carry the job title on record. Anything we do not hold for Sidewalk Infrastructure Partners is left off this page rather than filled in.
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