Venture-Backed Startups

Carbon is an algorithmic stablecoin pegged to the US Dollar, built on the Hedera Hashgraph network. It enables borderless value transfer and supports smart contracts for programmable transactions.

1 investor

SPS Revenue Recovery (Carbon6) provides software and full-service support that helps brands and suppliers identify, dispute, recover, and prevent lost revenue from retailer deductions, chargebacks, shortages, reimbursement errors, and compliance fines. It serves companies selling to retailers and distributors such as Walmart, Target, Amazon, and Kroger, as well as marketplace sellers, by connecting to retailer portals, carrier/3PL systems, and file storage to validate and document claims.

1 investor

0 investors

0 investors

Carbonable offers a platform for planning, managing, and reporting corporate carbon contributions, using proprietary technology and smart contracts to make carbon removal projects auditable and verifiable. It targets companies with ESG and net-zero goals, providing portfolio management, risk assessment, carbon credit supply control, and automated accounting.

1 investor

Carbonade develops an electrochemical technology that converts CO2 into carbon-based products such as feedstocks for synthetic and sustainable aviation fuels, targeting hard-to-abate sectors like aviation, shipping, chemicals, and metal fabrication. Its catalyst-based system aims for higher energy efficiency and stability in CO2 conversion and can operate with intermittent renewable energy.

1 investor

Carbonaide provides a CO2 curing technology that lets concrete manufacturers use carbon dioxide during production to permanently store carbon while reducing cement content, curing time and production costs. The technology targets concrete producers seeking lower-emission, lower-carbon products.

1 investor

Carbonated develops competitive player-versus-environment gaming experiences for mobile platforms, using AI to drive gameplay mechanics. The company also offers Carbyne, a proprietary live operations platform that enables real-time game modification and management across multiple titles.

3 investors

carbonauten develops its own pyrolysis carbonization technology and operates decentralized factories that convert woody biomass residues into biocarbon, pyrolysis oils, and syngas, which are processed into CO2-negative feedstocks called NET Materials for the plastics, chemicals, agriculture, and construction industries. The company also produces baseload renewable energy as a byproduct and targets industrial decarbonization and carbon removal, with facilities in Germany and China.

1 investor

CarbonBlue develops a technology for producing lime at ambient temperatures without fossil fuels, aiming to shift industrial operations from carbon-positive to carbon-neutral or carbon-negative. It targets industries that rely on lime production, focusing on decarbonization and sustainability.

3 investors

CarbonBridge develops a proprietary direct gas bioprocessing platform for bioreactor operations that eliminates solubility barriers without traditional equipment like spargers or agitators. The platform serves biotech and industrial biology companies seeking higher productivity and faster response times in bioprocessing.

5 investors

CarbonBright provides software and analytics tools to help product companies measure and manage their environmental impact through automated lifecycle assessments, Scope 3 emissions mapping, and AI-powered sustainability analytics.

2 investors

CarbonBuilt produces low-carbon concrete masonry and hardscape products from its plant in Danielson, Connecticut, serving masons, contractors, developers, distributors, and architects in the building materials industry. The company focuses on decarbonizing concrete for the construction market.

3 investors

CarbonCapture develops CO₂ direct air capture technology aimed at removing carbon from the atmosphere to address climate change. The company operates in the cleantech and carbon removal industry.

2 investors

CarbonChain provides software for companies and financial institutions to measure and account for greenhouse gas emissions across supply chains, from production to shipping to use of commodities and products.

5 investors

Carbon Clean Energy develops carbon conversion technology that transforms CO2 into chemicals, materials, and fuels using an artificial photosynthesis approach powered by renewable energy. The company serves industrial manufacturers and enterprises seeking decarbonization solutions and carbon-neutral product alternatives.

1 investor

CarbonClick provides a carbon offsetting solution that lets individuals and businesses purchase and trace certified offset projects, with transparency tools to track the impact of each offset. Its technology integrates into existing systems, and all projects are validated through the company's 7-Point Impact Check.

1 investor

CarbonCloud provides a sustainability intelligence platform for food and beverage companies to measure, manage, and reduce emissions across their supply chains. It uses an AI-powered engine and an emissions factors database to calculate Scope 3 emissions and product carbon footprints, and enables supplier collaboration and audit-ready reporting.

2 investors

CarbonCopies AI uses AI personas to simulate real user journeys across web, app, social, and AI experiences, identifying checkout and booking frictions that cause different customer segments to abandon. It is aimed at digital and e-commerce teams looking to improve conversion rates, localization, and UX, with integrations for tools like JIRA, Asana, and Linear.

1 investor

0 investors

Carbon Counts is a B Corp working on environmental impact, including EverForest, a gaming-based initiative that lets players collect tree points that contribute to planting real trees. The company participates in initiatives such as the World Economic Forum's UpLink Biodiversity Challenge and the UN Playing for the Planet program.

1 investor

CarbonCrop uses AI and automation to help landholders, carbon project developers, forestry consultants and primary sector exporters turn carbon removals from their land or supply chain into an asset. It operates a platform for high-integrity, nature-based carbon forestry projects, with an established base in New Zealand's carbon forestry market and plans to expand internationally.

2 investors

0 investors

CarboNet develops the NanoNet platform, which produces flocculants, coagulants, and targeting agents that adjust in real time to changing wastewater conditions for industrial water treatment. It serves companies in energy, mining, food, and beauty sectors to reduce, recycle, and reuse water while cutting chemical costs, emissions, and regulatory exposure.

1 investor