Venture-Backed Startups

Chaiz operates an online comparison marketplace where drivers research, compare and buy extended car warranties.

1 investor

Chako is a Zanzibar-based workshop where local artisans turn discarded plastic, glass and other waste into handcrafted, upcycled products combined with locally sourced materials. It sells these products directly while creating jobs for marginalised communities and supporting the circular economy on the island.

1 investor

Chakr Innovation is a cleantech and material science company that develops retrofit emission control devices, dust suppression systems, emission monitoring solutions, and aluminium-air energy products to reduce air pollution. It serves industrial facilities, corporates, real estate developers, and public sector organizations in India, with a flagship RECD that cuts diesel generator emissions by up to 90%.

4 investors

0 investors

Chakra Labs develops high-fidelity simulation environments and research infrastructure for training and evaluating frontier AI models on computer use tasks. The platform provides containerized reinforcement learning environments designed for autonomous agent research, with support for both GUI and programmatic interactions.

2 investors

ZOOZ Power builds the ZOOZTER-100, a flywheel-based kinetic power booster that stores and discharges energy to enable ultra-fast EV charging at sites with limited grid capacity. It targets Charging Point Operators and EV charging site operators, deferring grid upgrades and providing reliable charging in varying conditions including extreme cold.

1 investor

Chaldal.com is an online grocery and necessities delivery service available in Dhaka, Jashore, and Chattogram. It delivers everyday essentials directly to customers' homes in urban Bangladesh.

7 investors

Chalk provides data infrastructure and risk modeling for financial services companies. The platform enables lenders and credit platforms to build and manage real-time decisioning systems.

5 investors

Chalk offers a self-service marketing automation and location intelligence platform that lets advertisers build ad units and landing pages, then target and retarget audiences based on physical addresses and device movements across points of interest. The platform provides always-on location monitoring, campaign archiving for remarketing, and real-time dashboards with heatmap and API reporting.

0 investors

0 investors

Chalkable makes administrative software for private schools and nonprofit organizations. Its tools handle accountability and reporting tasks, tying curriculum records to each institution's own standards and mission requirements.

1 investor

0 investors

Chalkline operates a free-to-play sports promotions platform offering pick'em games, bracket contests, and leaderboards built around live events such as playoffs, the Super Bowl, March Madness, and the World Cup. It serves sports properties and operators in North America.

0 investors

Chalk Schools (Informed K12) offers a workflow automation platform for K-12 school districts that digitizes administrative processes across Business, HR, and Payroll, including supplemental pay, reimbursements, onboarding, and personnel requisitions. The platform layers on top of existing district data systems to handle approval tracking, error correction, and audit reporting for central offices and school sites.

1 investor

ChalkTalk is an adaptive learning platform that generates instructional materials, group activities, and individual practice for standardized test prep (SAT, ACT, PSAT, PreACT, TSIA2) and high school math and English. It supports teachers with differentiated, tech-enabled content matched to their curriculum and schedule across in-person, distance, or hybrid models, and provides real-time analytics on student performance.

3 investors

Challenergy develops a new type of wind turbine designed to operate in a wide range of environmental conditions. The company focuses on renewable energy innovation to provide access to electricity and address climate change.

1 investor

Challenge Works designs and runs challenge prizes that incentivise innovators to solve social and public problems, partnering with organisations to attract talent and fund new solutions. It has run close to 100 challenges over 10 years supporting innovator teams worldwide.

1 investor

1 investor

1 investor

0 investors

ChallengeU provides flexible, online diploma programs with personalized coaching and support for students who have fallen behind or dropped out of traditional school. The platform combines self-paced coursework through Imagine Learning with mentorship, job training, and post-secondary preparation services.

1 investor

Chalo provides a live bus-tracking app and a tap-to-pay Chalo Card that lets riders in India see real-time bus arrival times and pay for bus travel. It targets daily public bus commuters as a mobility and transit technology company.

6 investors

Chalumeau develops a patented electric electrode heating system that replaces fossil-fuel combustion in rotary kilns, delivering the ultra-high process temperatures needed for cement production while cutting combustion-related greenhouse gas emissions. It targets industrial cement producers seeking to decarbonize existing kiln infrastructure without redesigning their plants.

2 investors

Chamba is an on-demand staffing platform that connects businesses with gig workers for short-term, seasonal, and long-term employment needs across hospitality and general labor roles. The platform handles vetting, paperwork, insurance, and payment administration.

2 investors