How Much Did Vaulted Deep Raise? Funding & Key Investors

Date August 22, 2025
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Vaulted Deep

COMPANY INFO

Vaulted Deep is a private company founded in 2023 by Julia Reichelstein and Omar Abou-Sayed, headquartered in Houston, TX, with approximately 40 employees. The company operates in the Environmental Services industry, specializing in permanent carbon removal through geologic sequestration of organic waste using patented slurry injection technology. Vaulted Deep's technology enables low-cost, gigaton-scale, permanent carbon dioxide removal to support environmental and community health by repurposing waste and protecting local land, air, and water.

How Much Did Vaulted Deep Raise? Funding & Rounds and Investors

Vaulted Deep is an environmental services company founded in 2023 by Julia Reichelstein and Omar Abou-Sayed. Headquartered in Houston, TX, and employing around 40 people, Vaulted Deep specializes in permanent carbon removal through geologic sequestration of organic waste using its patented slurry injection technology. The company's mission is to achieve low-cost, gigaton-scale, permanent carbon dioxide removal to enhance environmental and community health by converting waste into a resource while safeguarding local land, air, and water.

Vaulted Deep funding has propelled the company as a frontrunner in the carbon removal space. Since its inception, the company has raised a total of $32.3 million across two funding rounds. Its strategy has involved notable venture capital support, milestone-driven growth, and a focus on scaling its technology and operational footprint. The seed round supported initial technology and market entry, while the Series A capital is fueling aggressive expansion of their carbon dioxide removal facilities and injection sites.

Funding Rounds

Series A - $32.3 million - September 30, 2024

This Series A round was raised to expand Vaulted Deep's carbon dioxide removal capacity. The funds are being used to develop additional injection well sites, enabling the company to accelerate its ability to deliver permanent carbon sequestration at scale.

Seed - Undisclosed - 2023

Vaulted Deep's seed round supported the company's launch and the initial deployment of its proprietary slurry injection technology. Seed funding enabled critical research and development activities as well as pilot facility build-out.

Key Investors

Prelude Ventures

Prelude Ventures led Vaulted Deep's Series A round. They are a prominent climate technology venture capital firm known for backing high-impact solutions in decarbonization. Their involvement signals strong confidence in Vaulted Deep's mission and scaling potential.

Lowercarbon Capital

Lowercarbon Capital participated in the Series A round and is recognized for investing in breakthrough climate and carbon-negative companies. Their investment supports Vaulted Deep’s aim to deliver gigaton-scale climate solutions.

Earthshot Ventures

Earthshot Ventures took part in the Series A round, providing both capital and industry expertise to accelerate commercialization of Vaulted Deep's technology and expansion into new markets.

Fall Line Capital

Fall Line Capital is an early-stage investor in the Series A round, bringing their background in sustainable agriculture and environmental innovation to help Vaulted Deep reach new waste management partners.

Rethink Impact

Rethink Impact contributed to the Series A round, aligning with their focus on climate tech and impact-driven investments, especially in companies led by diverse teams.

WovenEarth Ventures

WovenEarth Ventures, as a Series A participant, supports climate-focused startups and contributes both capital and strategic guidance to rapidly scale carbon removal infrastructure.

Climate Capital

Climate Capital was Vaulted Deep's seed round lead investor, providing early support and advisory resources essential for the company’s initial product development and market validation.

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