Holy Grail

Holy Grail

Provides CO2 capture and permanent sequestration

Overview

HolyGrail.ai captures carbon dioxide from the atmosphere and permanently stores it in pyramid structures. It offers carbon capture as a service, providing contracts to heavy industries, energy producers, and government agencies to reduce their carbon footprints and meet regulatory goals. The system relies on advanced carbon capture techniques and scalable, long-term sequestration to address climate change. The pyramid-storage approach is the company’s distinctive method, aiming to deliver permanent CO2 storage at scale. Overall, HolyGrail.ai seeks to help customers manage emissions now while contributing to long‑term environmental sustainability.

YC Company

About Holy Grail

Simplify's Rating
Why Holy Grail is rated
C
Rated C on Competitive Edge
Rated C on Growth Potential
Rated C on Differentiation

Industries

Consulting

Industrial & Manufacturing

Government & Public Sector

Energy

Company Size

51-200

Company Stage

Seed

Total Funding

$2.8M

Headquarters

Mountain View, California

Founded

2019

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Simplify's Take

What believers are saying

  • Y Combinator and Lowercarbon Capital backing accelerates prototyping and deployment.
  • Project Moonstone in Fremont converts CO2 to stable solids for permanent storage.
  • Modular design allows rapid scaling without permits or large-scale financing.

What critics are saying

  • Climeworks' Orca captures 36,000 tpa, dominating market share from Holy Grail.
  • Occidental's Stratos launches in 2025, squeezing Holy Grail's credits from oil majors.
  • Holy Grail's $1000/tCO2 costs exceed IEA targets as competitors optimize hybrids.

What makes Holy Grail unique

  • Holy Grail's modular electrochemical scrubbers capture CO2 using electricity at ambient conditions.
  • CO2 mineralized into solid bricks enables above-ground storage with real-time MRV.
  • Scrubbers built from 100% recycled materials support mass manufacturing like consumer products.

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Funding

Total Funding

$2.8M

Below

Industry Average

Funded Over

2 Rounds

Notable Investors:
Seed funding is usually the first official round after pre-seed, when a startup has a prototype or concept. It’s typically used to develop the product, test the market, and start building the team. Investors here are often angel investors or early-stage venture capitalists.
Seed Funding Comparison
Below Average

Industry standards

$3.3M
$2M
Netflix
$2.3M
Instacart
$2.7M
Holy Grail
$3M
Robinhood

Growth & Insights and Company News

Headcount

6 month growth

-4%

1 year growth

-5%

2 year growth

-7%
faketeams.com
Jan 16th, 2022
Holy Grail hires Jose Ramirez

Jose Ramirez has become the Holy Grail in my fantasy baseball endeavors.

CleanTechnica
Jul 1st, 2021
Holy Grail Founder Nuno Pereira Talks Carbon Capture & The Future (Interview)

When did you get the inspiration for Holy Grail, and how did the company come into existence? We started the company 2 years ago because we wanted to have an impact on sustainability. We started the company in London at Deep Science Ventures, went through Y Combinator, and stayed in California. When you initially reached […]

TechCrunch
Jun 22nd, 2021
Holy Grail raises $2.7M seed fund to create modular carbon capture devices

The founders of Holy Grail, a two-year-old startup based in Mountain View, California, are taking a micro approach to solving the outsized problem of capturing carbon.

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