Y Combinator Winter 2024 (W24) Companies
248 companies from the Y Combinator Winter 2024 batch, with their investors and founders.
Sample Healthcare develops AI-driven automation solutions for healthcare organizations to improve operational efficiency and accuracy. The company targets healthcare providers seeking to streamline administrative and clinical processes.
2 investors
Scout is an AI-native reporting and analytics platform designed for CPG (consumer packaged goods) sales teams, automating the conversion of POS and syndicated data into dashboards, reports, and narratives for retail negotiations. The platform serves brand-side sales and category teams in natural, conventional grocery, mass, club, and specialty retail channels.
1 investor
Scritch offers Emily, an AI receptionist that answers veterinary practice calls 24/7 to manage appointments, create patient records, answer practice and patient-specific questions, and route complex cases to staff. The AI agent integrates with practice management and phone systems to serve veterinary clinics.
1 investor
Selera Medical develops a minimally invasive implantable device that treats heart failure by removing excess fluid buildup, reducing hospitalizations and symptom recurrence through a single procedure.
1 investor
Senso builds infrastructure that acts as a verified-context layer for AI agents, enabling organizations to ensure that AI answers align with their actual ground truth. The platform allows companies to ingest, evaluate, and publish verified information that shapes AI search, ads, commerce, and lending outcomes.
3 investors
Shepherd provides schools with a learning platform that integrates AI-powered study tools, tutoring access, peer collaboration features, and progress tracking to offer students personalized academic support.
1 investor
Shiboleth automates compliance quality assurance workflows for financial services firms, offering tools to screen complaints, transcribe and summarize customer interactions, test transaction compliance with regulations like TILA and FCRA, and verify sanctions screening.
1 investor
SiLogy provides Viv, an AI verification engineer that autonomously debugs failing tests for chip developers by analyzing code, log files, and waveforms. The platform operates fully on-premise with optional bring-your-own-key LLM access, serving semiconductor design and verification teams.
1 investor
Solari AI provides AI agents to business users without technical expertise that require minimal configuration before deployment.
1 investor
An AI audio lab building tools that enable music lovers and casual creators to compose and shape music. The company focuses on interactive music creation for superfans, hobbyists, and anyone who wants to create rather than just consume music.
1 investor
Sonia develops voice-based AI software to deliver mental health counseling through a mobile application, targeting individuals seeking on-demand psychological support.
1 investor
Soundry.ai provides AI tools for DJs and music producers to remix songs and create samples in various styles. The platform serves music creators looking to generate production-ready audio content.
1 investor
Spark provides AI-powered permitting and zoning intelligence for renewable energy, battery storage, and data center developers to accelerate site selection and reduce development risk. The platform analyzes zoning ordinances, permitting requirements, and community sentiment across U.S. jurisdictions.
2 investors
Speck aggregates data from CRM systems, email, data warehouses, and web sources to provide sales professionals with comprehensive research and context before meetings. The platform integrates directly into browser-based meeting applications to enable real-time information retrieval during calls.
1 investor
Stacksync is a real-time data integration platform that syncs CRM, marketing automation, sales engagement, finance, and data warehouse systems in two-way, bidirectional workflows for revenue operations teams. It replaces reverse-ETL tools and manual reconciliation with pre-built connectors and SQL-driven automation for platforms like Salesforce, HubSpot, Outreach, and NetSuite.
1 investor
StarJar automates the processing of incoming hospital documents such as patient referrals, claims, and medical images for major healthcare systems across the United States.
1 investor
1 investor
Superagent provides autonomous security research to identify, fix, and disclose software vulnerabilities in code and AI agents. The platform delivers patches as pull requests for software teams to review and deploy.
1 investor
SuretyNow provides digital tools for purchasing surety bonds, combining surety expertise with modern technology and design. The company serves businesses seeking fast, affordable, and easily accessible surety services.
1 investor
SynsoryBio develops protein-based drugs that detect their location in the body and activate only at diseased tissue, with applications across cancer and autoimmune conditions.
1 investor
Tamarind provides a computational platform for protein and molecular engineering, offering AI and physics-based tools to design antibodies, peptides, enzymes, and small molecules. The platform integrates state-of-the-art published tools like AlphaFold and RFdiffusion through a user-friendly interface for life sciences companies.
2 investors
Tekton Dynamics develops AI and robotics software to automate manufacturing tasks that are hazardous, repetitive, or undesirable for human workers. The company enables manufacturers of all sizes to scale production while addressing labor shortages.
3 investors
Terrakotta.ai provides AI-powered voice cloning and voicemail automation for real estate and sales teams. The platform enriches prospect data with property and owner information while enabling personalized outreach through synthetic voices integrated with CRM systems.
1 investor
Tesseral is an open source platform that provides identity and access management for business software, with features including single sign-on, user provisioning, role-based access control, and audit logging. It serves organizations managing access for employees, customers, services, and AI agents.
1 investor























