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Patch

San Francisco, US · Founded 2020 · 101 employees on LinkedIn · 11 known investors

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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.

Founders & leadership

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

AGAaron Grunfeld
Aaron GrunfeldCo-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 SpellacyCo-founder & CEO

Investors · 11

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.

Related companies · 3

Companies working in the same space as Patch.

In the news

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 3 more.
Where is Patch headquartered?
Patch is headquartered in San Francisco, US.