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Patch

San Francisco, US · Founded 2020 · 101 employees on LinkedIn · 10 known investors

Find your way into Patch

224 people in our graph share verified history with the Patch team — schools, employers, funds. One of them is your warm intro.

Tyler Lancasterunlockedknows Aaron Grunfeld · together at Patch (overlapped)
×11knows the team · via Concordia University

Patch provides AI-native software and market data to help enterprises navigate environmental markets and scale climate action programs. The company offers end-to-end environmental resource solutions combining embedded climate expertise with proprietary data for corporate sustainability.

AI & Machine LearningClimate TechEnterprise SoftwareSaaS

Founders & leadership

Patch was founded in 2020 by Aaron Grunfeld and Brennan Spellacy.

AGAaron Grunfeld
Aaron GrunfeldinCo-founder · Board MemberHe joined Sonder as its first employee in 2014 and spent six years there as a general manager. He served as president of Patch from 2019 to 2025 and sits on the company's board.
BSBrennan Spellacy
Brennan SpellacyinCo-founder & CEO

Investors · 10

Andreessen HorowitzMenlo Park · $500K – $50M
B Capital GroupManhattan Beach · $10M – $50M
B4 Capital$10M – $50M
Coatue ManagementNew York · $1M – $20M
ContrarySan Francisco · $2M
Energize CapitalChicago · $10M – $20M
Maple VCSan Francisco · $500K – $1.5M
SE VenturesMenlo Park
GICreportedSingapore
GTMfundreportedScottsdale · $500K – $1.5M

Funding

SEC filings, press & company announcements

Source: company announcements and press reports — follow each round's link for the claim.

Founder mafia

2 people who came through Patch went on to found or lead other companies.

Drew KimSoftware EngineerFounded PelmVarsha Ramesh WalshProduct Management InternFounded Offstream

Competitors · 3

by search overlap
Wri196 shared keywordsThe World Resources Institute (WRI) is a global research organization whose experts and staff work on food and land use, energy, cities, climate, economics, finance, and governance. It operates with over 2,000 staff across more than a dozen focus countries and partners in over 50 nations.
Greenly139 shared keywordsGreenly provides an AI-based platform for carbon accounting, greenhouse gas assessment, product life-cycle analysis (LCA), and ESG compliance reporting. It serves companies from SMEs to large enterprises looking to measure, report, and reduce their carbon footprint and meet climate regulations.
illuminem117 shared keywords

Companies competing with Patch for the same Google search keywords, organic and paid, via search-intersection analysis.

In the news

Patch Raises £3M in Fundingfinsmes.com · Mar 2023Patch Raises 55M in Series B Funding - FinSMEsfinsmes.com · Sep 2022Climate tech firm Patch nets $55 million to streamline carbon-offset transactions | Reutersreuters.com · Sep 2022Patch Raises $4.5M in Seed Fundingfinsmes.com · Feb 2021

Frequently asked questions

What does Patch do?
Patch provides AI-native software and market data to help enterprises navigate environmental markets and scale climate action programs. The company offers end-to-end environmental resource solutions combining embedded climate expertise with proprietary data for corporate sustainability.
Who founded Patch?
Patch was founded by Aaron Grunfeld, Brennan Spellacy in 2020.
Who are Patch's investors?
Patch's investors include Andreessen Horowitz, B Capital Group, B4 Capital, Coatue Management, Contrary, Energize Capital, Maple VC, SE Ventures and 2 more.
Where is Patch headquartered?
Patch is headquartered in San Francisco, US.