# Patch

> Patch helps businesses source, evaluate, buy and manage carbon credits and other environmental instruments. It began as an offset API and marketplace, then expanded into a procurement platform with climate strategists.

- **Founded:** 2020
- **Headquarters:** San Francisco, United States
- **Founders:** Brennan Spellacy (CEO and co-founder), Aaron Grunfeld (President and co-founder)
- **Products:** Patch platform, Patch API, CarbonOS, Patch Offtake, Patch Radius
- **Notable:** Patch says 500-plus companies use its services., Patch says it partners with more than 275 climate projects., In 2025 it announced a database of more than 25,000 carbon projects.

## Products & services

- **Patch platform** — Strategy, sourcing, diligence, purchase, retirement and portfolio monitoring software with expert support.
- **Patch API** — Embeds credit estimates, purchases and certificates in customer and internal workflows.
- **CarbonOS** — Supplier software for credit inventory, sales and delivery.
- **Patch Offtake** — Structures multi-year forward credit purchases.
- **Patch Radius** — Branded purchasing portal for client and portfolio networks.
- **Embedded Climate Strategy** — Advisers help plan environmental instrument procurement.

## Achievements

- Patch says 500-plus companies use its services.
- Patch says it partners with more than 275 climate projects.
- In 2025 it announced a database of more than 25,000 carbon projects.
- In 2023 it said suppliers used its platform to manage or deliver more than 130 million tonnes of credits.

## Latest updates

- **2026-08** — Published analysis on CCP-labeled carbon credit supply and renewable energy certificates.
- **2026-07** — Discussed multi-instrument climate strategies spanning carbon credits, RECs and SAF certificates.
- **2025-09** — Announced its 25,000-plus-project standardized database.
- **2025-04** — Publicly launched its end-to-end carbon credit platform.

## Links

- Website: https://www.patch.io/
- LinkedIn: https://www.linkedin.com/company/usepatch/
- Twitter/X: https://twitter.com/usepatch
- GitHub: https://github.com/patch-technology

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Profile page: https://yespress.io/patch
Published by YesPress — https://yespress.io
Last updated: 2026-09-28