Venture-Backed Startups

Cleantech Open is a non-profit business accelerator for early-stage clean technology startups, providing training to entrepreneurs building clean and sustainable technologies. Since 2005 it has trained over 4,000 entrepreneurs from more than 2,100 startups across cleantech innovation hubs in the U.S. and globally.

1 investor

Cleantech Group provides market intelligence, innovation advisory, advocacy, and events focused on global cleantech innovation, drawing on proprietary data and an innovation network. It serves corporations, investors, financial and professional services, government and public sector bodies, foundations and non-profits, and cleantech start-ups and scale-ups.

1 investor

Cleantech for Europe is an initiative advocating for the deployment of domestic clean electricity and heat in Europe, publishing open letters and campaigns on topics such as geothermal energy, energy security, and decarbonisation.

1 investor

CleanWell develops plant-derived disinfecting sprays and wipes using a Thymol active ingredient, holding six EPA registrations for formulas free of chlorine, quats, alcohols, and hydrogen peroxide. The company acts as a disinfecting technology and formulation partner for brand and industry partners in the household cleaning category.

1 investor

Clean Works develops a waterless decontamination technology that reduces illness-causing pathogens on produce, proteins, and packaged products, as well as surfaces like shipping bins and boxes. It serves food producers, processors, and retailers seeking to reduce cross-contamination, extend shelf life, and comply with food safety regulations.

1 investor

Cleany provides office cleaning services with real-time tracking of interventions via on-site Taqt terminals, a dedicated single point of contact, and guaranteed response times. It serves businesses with offices over 500 m² and also offers office-life services (catering, snacks) and facility maintenance, focused on Paris and the Île-de-France region.

2 investors

Cleaq is a platform for renting IT equipment to businesses, bundling financing, insurance, and fleet management in a single app. It also provides IT support such as 24-hour replacement of broken, stolen, or damaged devices and incident tracking.

1 investor

Clear Inc. develops and markets premium sake products under the SAKE HUNDRED brand, positioning Japanese sake in high-end domestic and international markets through direct sales, restaurant partnerships, and experiential events.

1 investor

Clear.bio develops treatments for type 2 diabetes, with a program already reimbursed in select healthcare networks in the Netherlands. The company focuses on diabetes management through structured care delivery.

1 investor

Clear is a SaaS platform that provides cloud-based financial software for GST compliance, tax filing, and invoicing for Indian businesses and individuals. The platform serves micro and small enterprises, tax professionals, and enterprise clients with AI-powered financial management tools.

2 investors

Clear is an app that helps users track their skincare routines, products, and progress while connecting them with a supportive community. The platform serves skincare enthusiasts and acne sufferers looking for guidance and personalized tracking tools.

1 investor

CLEAR provides identity verification services that let members move faster through airport security lanes and eGates using biometric identification. It offers a mobile app, a premium CLEAR+ membership, and concierge travel services for travelers.

2 investors

Clear Ballot develops election technology software and hardware systems for election officials and jurisdictions. The company provides browser-based voting and ballot scanning tools designed for accuracy, transparency, and ease of use across election jurisdictions of all sizes.

1 investor

Clear Cannabis Inc. licenses intellectual property for The Clear™ and other cannabis brands, and provides hardware, packaging, training, quality control, sales, marketing, and R&D services to licensee partners in cannabis-legal states. Its product line centers on solvent-free, pesticide-free cannabis and hemp-based CBD concentrate formulations; the company itself is not involved in manufacturing, sale, or distribution of THC products.

1 investor

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Clear Current provides AI-powered transparency and automation for energy contract and tariff management, helping organizations extract insights from energy data to optimize procurement decisions and reduce costs. The platform serves energy teams and organizations managing power supply contracts and utility tariffs.

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