Vaulted Deep
Putting waste to work removing carbon
San Francisco, United States · Founded 2023 · $40.3M raised
- Headquarters
- San Francisco, California
- Employees
- 51–200
- Founded
- 2023
- Business Model
- B2B
- Website
- vaulteddeep.com
- Total Funding
- $40.3M
- Last Round
- $32.3M Series ANov 2024
- Rounds
- 2
About
Vaulted Deep is a waste management and carbon removal company that permanently sequesters carbon-filled organic waste by injecting it deep underground using geologic infrastructure. Founded in 2023 by Julia Reichelstein and Omar Abou-Sayed, the company collects organic waste from farms, cities, and industries and converts it into a slurry injected up to 5,500 feet underground, protecting local land, air, and water while removing carbon from the atmosphere. Vaulted signed one of the largest carbon removal offtake deals ever with Microsoft in July 2025 and won $8 million as a runner-up in the XPRIZE Carbon Removal competition. Headquartered in Houston with operations in San Francisco and Kansas, the company has a team of 70+ people.
Summary
Vaulted Deep is a Sustainability company based in San Francisco, United States, founded in 2023. It has raised $40.3M in total across 2 rounds, most recently a $32.3M Series A round in Nov 2024. Investors include Lowercarbon Capital, Prelude Ventures and Earthshot Ventures.
Tech & App Stack
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Funding History
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Nov 2024
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Seed through Series A — per-round amounts, valuations, and who invested in each round.
Investors
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