Y Combinator Winter 2019 (W19) Companies

A social networking platform designed for small groups of close friends to communicate and share with each other.

1 investor

Basilica provides developer-focused infrastructure tools for provisioning and managing compute resources through command-line interfaces.

1 investor

Bensen provides ordering infrastructure for restaurants to accept takeout and delivery orders through online and phone channels.

1 investor

A meal delivery service that curates prepared meals from restaurants and food makers for busy professionals in the Bay Area, with customers ordering weekly and receiving reheated meals delivered to their door.

1 investor

BlitzIQ provides a note-taking workspace designed for sales teams to capture and organize information during business customer interactions.

1 investor

Bottomless operates a coffee subscription service powered by an IoT scale that automatically reorders coffee based on consumption patterns. The service serves coffee enthusiasts through a membership model offering curated coffee rotations from multiple roasters and on-demand reordering.

1 investor

BrainKey develops artificial intelligence and medical imaging analysis tools for neuroimaging data interpretation. The company serves physicians and patients by making brain anatomy measurable, visible, and more interpretable through advanced analytical software.

3 investors

Brick Health operates a network of physical medical facilities that offer diagnostic testing, nursing services, phlebotomy, and point-of-care lab work at fixed transparent prices, enabling virtual care providers to deliver a broader range of medical services to patients.

1 investor

Bunkerhill Health provides a platform for clinical and operational teams to build and deploy AI agents that help health systems improve care delivery and operational efficiency at scale.

5 investors

Buy Me a Coffee provides a payment and membership platform for creators to earn direct income from fans and offer exclusive content. The platform serves independent creators across various creative fields as an alternative to advertising-based income models.

3 investors

Canopy is a fundraising management platform that helps founders track investor interactions, manage SAFE notes for e-signature, receive fundraising funds, and consolidate investors into SPVs. The platform serves startup founders seeking centralized tools for managing their capital raise and investor relationships.

3 investors

Capture was a note-taking application that allowed users to capture notes, to-dos, and web pages. The company is no longer in operation.

1 investor

CareerTu offers online courses in digital marketing, data analytics, and product design to Chinese-speaking students, emphasizing practical capstone projects tied to real business scenarios. Graduates have been hired by major technology and retail companies across 14 countries.

1 investor

Caribou provides transfer pricing services and tax compliance support for scaling companies, handling transfer pricing design, accounting entries, VAT, permanent establishment, and R&D eligibility in a single engagement.

2 investors

Catch provides automated financial management and benefits solutions for independent workers and freelancers, handling tax withholding, retirement savings, and health insurance enrollment without relying on traditional employer-provided benefits.

5 investors

Centaur.ai uses performance-based AI and collective intelligence methods to improve medical decision-making in skin lesion assessment for cancer detection. The company combines expert human judgment with AI algorithms weighted by demonstrated accuracy rather than credentials.

2 investors

Cherry operates a platform that allows companies to allocate budgets for personalized employee benefits from popular consumer services like entertainment and fitness apps, giving workers control over which perks match their preferences.

1 investor

Cityfurnish is a furniture and appliances rental service operating in India that offers subscription-based access to home furnishings at affordable costs. The company serves Indian urban residents seeking flexible, commitment-free rental solutions without long-term purchase obligations.

2 investors

Cocoon provides technology to simplify leave management for employees and employers, handling leave compliance, insurance claims, and payroll administration in the United States.

2 investors

Community Phone provides home and business phone service combining traditional reliability with modern features like spam blocking and voicemail-to-text, without requiring internet or contracts.

1 investor

Comradery is a community platform that provides moderation, member profiles, and event management tools for building and managing online and offline communities.

1 investor

Convex provides a sales and revenue platform for commercial services businesses, offering property-based intelligence and applications to help teams plan, target, and engage sales opportunities.

2 investors

Convictional provides collaboration tools designed to keep teams mission-aligned.

2 investors

Cosmic provides a content management system with web dashboard and API tools that enable teams to build and deploy applications faster. It serves development teams and digital businesses seeking to accelerate content velocity and application delivery.

1 investor