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Sublime Systems

Energy · Somerville, United States · Founded 2020

Revolutionizing cement-making using clean renewable energy and an electrochemical process that eliminates CO2 emissions MoreLess

Sublime Systems is a forward-thinking startup that operates in the construction industry, specifically in the production of low-carbon cement. The company's innovative approach to cement production is aimed at reducing the environmental impact traditionally associated with this process. Sublime Systems' unique selling proposition is its breakthrough process that eliminates the need for a kiln - the most energy and fossil fuel-intensive part of cement manufacturing.

The company's product is a low-carbon cement that performs on par with traditional cement, but with significantly reduced CO2 emissions. This makes it an attractive option for infrastructure owners, engineers, architects, contractors, and ready-mix concrete plants who are seeking to reduce their environmental footprint without compromising on performance.

Sublime Systems' business model is based on commercializing this low-carbon cement. The company sells its product by the metric ton, making it a viable option for large-scale construction projects. The company has been selling its product since 2023 and has a clear path to achieving zero emissions in the future.

In terms of revenue, Sublime Systems makes money by selling its low-carbon cement to various stakeholders in the construction industry. The company's commitment to sustainability and performance has the potential to position it as a leader in the green construction materials market.

Keywords: Low-Carbon Cement, Sustainable Construction, Green Building Materials, Infrastructure, Electrochemical Process, CO2 Reduction, Zero Emissions, Environmental Impact, Construction Industry, Commercialization.

Company overview

Sublime Systems company information

The essential company record, classifications and operating signals in one place.

Status
Operational
Founded
2020
Headquarters
Somerville, United States
Employees
71
Open positions
None listed
Dealroom signal
64.2
sub industryWaste Solutionbusiness modelManufacturingsectorSpinoutsectorSustainable Development GoalssectorUrban TechsectorAdvanced MaterialssectorSustainable CementsectorClimate TechsectorGreen BuildingssectorCircular EconomysectorSustainable Building ConstructionsectorHard TechsectorIndustrial ElectrificationsectorDT and LS

Valuation & funding

Sublime Systems funding history

Company financing events and reported valuations.

Deal typeDateAmountValuationInvestorsSource
EARLY VCOther financing May 2025 $0 Suffolk Technologies
LATE VCOther financing Sep 2024 $75M $300M CRH Ventures · Holcim
SUPPORT PROGRAMOther financing Apr 2023 $0 BloombergNEF
SERIES AOther financing Jan 2023 $40M $160M Siam cement group · Lowercarbon Capital · The Engine · Energy Impact Partners
EARLY VCOther financing May 2021 $5.9M $23M Undisclosed
SEEDOther financing Jan 2021 PRIME Coalition · Prime Impact Fund
SPINOUTOther financing Mar 2020 Stanford University
Showing 7 recorded eventsUnlock the complete deal history →

Growth signals

Sublime Systems website traffic

Latest recorded traffic for Sublime Systems is 2.5K monthly website visits, down 66.2% over the last three months. Sublime Systems's team declined 44.5% over the past year.

Latest monthly visits2.5K 3-month web change-66.2% 1-year team growth-44.5%
Monthly website visits62 observations · Oct 2020–Jul 2026
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Comparisons

Sublime Systems compared with similar companies

Dealroom’s weighted taxonomy model identifies the closest operating peers. Company identity and context stay open; selected comparison metrics preview what is available in the platform.

Showing 8 of the closest matchesCompare every metric →

Talent graph

Sublime Systems's talent

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Team profiled 9 named & role-tagged
Founders Hidden — book a demo/100 quality score
Key operators 4 quality Hidden — book a demo/100
Potential founders Hidden — book a demo likely future founders
Startup mafia Hidden — book a demo alumni-founded startups
Talent movements Hidden — book a demo in · Hidden — book a demo out past 12 months

Source: Dealroom Talent Intelligence.

Investors

11 investors on Sublime Systems's cap table

Sourced from Dealroom's funding and investor records.

Seed 2 investors entered at this stage
PRIME Coalition
Prime Impact Fund
Series A 5 investors entered at this stage
Siam cement group
Lowercarbon Capital
The Engine
Energy Impact Partners
Suffolk Technologies
Series B+ 2 investors entered at this stage
CRH Ventures
Holcim
Other known 2 additional known investors
BloombergNEF
Stanford University

Global footprint

Where Sublime Systems has talent and traffic

Workforce by country
4 countries with
team presence
🇺🇸 United States96.3%
🇵🇰 Pakistan1.2%
🇮🇳 India1.2%
🇩🇪 Germany1.2%
4 countries shown

In the news

Latest news about Sublime Systems

Recent press, funding announcements, and product moves mentioning Sublime Systems — open to read from the original sources.

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Market sentiment

What the market is saying about Sublime Systems

An AI-synthesized read of the highest-engagement posts about Sublime Systems on X over the past 7 days. We rank by likes & retweets, ignore corporate channels, and surface the themes that broke out from real people.

Reading the room on X — pulling top posts and synthesizing themes…

Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour

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