Marketplace Startups

Backpack is a peer-to-peer marketplace that connects travelers with shoppers so travelers can carry and deliver items purchased from overseas, letting shoppers access products from other markets while travelers earn money. It operates across international markets to reduce shipping costs and provide access to products not available locally.

3 investors

Boostable provides advertising tools that help sellers and brands promote their listings and gather insights on online marketplaces. The company serves marketplace sellers and the marketplaces themselves.

3 investors

Bottomless operates a sensor-enabled marketplace that automates repeat purchases, using connected scales to track consumption and reorder products for consumers.

3 investors

Clad provides software that unifies project operations and finance for utilities, internet companies, and contractors working on power and broadband infrastructure. The platform automates project tracking, payments, and permitting to help contractors improve cash flow and margins while giving operators real-time visibility.

3 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.

3 investors

Concord Materials provides a software platform that automates procurement and financing for construction companies while connecting them with bulk material suppliers.

3 investors

Experiment runs a crowdfunding platform where citizens pledge money to fund scientific research projects, giving researchers an alternative to traditional grant writing. Scientists use it to raise funding and share results with backers through lab notes and peer-reviewed publications.

3 investors

Explorex operates a two-sided platform connecting restaurants and diners in India through a restaurant management system and consumer app that enables table booking, menu browsing, ordering, and payment without server interaction. The platform collects venue-level behavioral data to power an AI concierge that personalizes dining recommendations and helps restaurants optimize revenue.

3 investors

Farmtheory connects restaurants with fresh vegetables from Indian farms that don't meet cosmetic standards for retail sale, establishing a direct supply chain for produce that would otherwise go unsold.

3 investors

Fat Llama operates a peer-to-peer rental marketplace where individuals can rent out their spare or rarely-used items to nearby people, with transactions fully insured. It serves consumers looking for a lower-cost alternative to buying or renting from traditional rental shops, while letting owners earn money from their possessions.

3 investors

Fivestars is a customer loyalty and payments platform for small local businesses, turning transactions into ongoing customer relationships. Launched in 2011, it connects consumers with local merchants to drive repeat sales.

3 investors

Flok designs and plans corporate retreats tailored to specific goals such as connection, knowledge retention, alignment, and celebration. The company works with enterprises to orchestrate multi-day events that balance work, play, and strategic objectives.

3 investors

Glitzi is a service marketplace platform in Mexico that connects users with beauty and wellness professionals for on-demand services including hairstyling, massage, and facials.

3 investors

GoLorry is a startup founded by a 2x YC founder; the page provides no concrete detail about its product or services.

3 investors

Greentoe operates an e-commerce marketplace where consumers name their own price for products and are matched with retailers willing to accept the offer. It serves shoppers seeking lower prices and retailers looking to reduce inventory and gain customers.

3 investors

HOKALI partners with schools to deliver and manage enrichment programs for students, helping schools expand learning opportunities and connect students with activities aligned to their interests. The platform serves K-12 schools and districts in the United States.

3 investors

HUD builds evaluation tools and reinforcement learning environments for computer-use AI agents, helping frontier AI labs test and train agents across diverse tasks at scale.

3 investors

LumiBot provides a video-AI copilot system that tracks hand movements to assist workers in manual manufacturing operations. The platform uses computer vision to monitor and guide operator actions in real-time.

3 investors

Mage Market operates a real-time bid/ask marketplace for buying and selling collectibles, matching bids with asks to execute transactions automatically. It acts as an active intermediary and verifies every card through its experts to prevent counterfeits and fakes.

3 investors

Meru operates an online marketplace connecting mechanics in Latin America with automotive aftermarket suppliers and parts dealers.

3 investors

Miniswap is a marketplace for buying, selling, and trading miniatures for tabletop wargaming, built with integrated payments, shipping, and community protections. It serves wargaming hobbyists seeking a safer, simpler alternative to eBay, Facebook groups, and Reddit forums.

3 investors

Misprint operates a marketplace for buying, selling, and trading graded Pokémon cards, using machine learning algorithms to provide real-time pricing analytics and transparent bid/ask matching for collectors and investors.

3 investors

Oico operates a B2B marketplace that consolidates construction material purchasing for large contractors in Brazil, handling orders, deliveries, and payments from multiple suppliers through a single platform.

3 investors

Prolific operates a platform that connects research teams with a vetted pool of participants to collect high-quality human-powered data at scale, used for academic and industry research as well as developing and training AI models. It serves researchers and organisations across academia and industry.

3 investors