Y Combinator Summer 2023 (S23) Companies
215 companies from the Y Combinator Summer 2023 batch, with their investors and founders.
Accend is an AI platform for financial institutions to automate business underwriting, onboarding, and risk assessment. It serves fintech, banks, and payment platforms seeking faster financial analysis and compliance with industry-standard accuracy.
2 investors
Affinity is an AI-powered internal compliance platform that helps organizations centralize policies, generate training from documents, track completion and risk, and produce audit-ready evidence. It serves Legal, HR, Finance, IT, and Operations teams across companies of various sizes.
2 investors
AgentCollect provides AI agents that automate B2B commercial debt recovery by researching debtor accounts, identifying contacts, and executing multi-channel outreach via calls, email, SMS, and legal notices. The platform serves mid-market SaaS firms and Fortune 500 enterprises with success-only pricing and no integration required.
1 investor
Aglide extends identity provider access control to applications lacking SAML support, enabling centralized management of user provisioning, deprovisioning, and audit logs across applications.
1 investor
Airgoods operates a wholesale platform where independent grocers and specialty food retailers can discover and purchase emerging and gourmet food and beverage brands.
1 investor
AiSDR is an AI sales agent that automates outbound sales emails and books meetings for B2B companies. The platform uses signal-based prospecting across multiple channels including email, LinkedIn, and SMS to help sales teams generate qualified meetings and improve conversion rates.
5 investors
AIVideo.com provides video production services powered by AI technology for clients seeking automated or accelerated content creation.
4 investors
Alguna provides quote-to-cash automation software for revenue teams, connecting CRM, billing, contracts, and collections on a single platform. The tool enables pricing experiments, handles revenue recognition compliance, and supports hybrid go-to-market models with real-time data synchronization.
1 investor
Andromeda Surgical develops an AI-guided surgical platform that provides GPS-like navigation and autonomous task capabilities to surgeons, starting with endourology procedures. The platform integrates with existing surgical tools to assist interventional surgeons in performing procedures with enhanced precision and reduced training requirements.
6 investors
Apoxy provides a hosted data plane for managing both ingress and egress traffic without sidecars, built on Envoy and the CNCF Gateway API for Kubernetes. It enables routing, load-balancing, authentication, and observability with support for serverless functions and edge deployment.
1 investor
Arcimus sources and filters engineering candidates for technical hiring, using technical founder judgment instead of resume keywords or automated filters. The service helps companies define what great engineering looks like for their specific codebase and challenges, then identifies and introduces matching candidates.
1 investor
Artie provides a data replication platform built on change data capture (CDC) technology, enabling real-time data movement with sub-minute latency and zero data loss. The platform serves engineering teams building data pipelines who need reliable, low-maintenance data ingestion without schema management complexity.
10 investors
Atla provides debugging and monitoring tools for AI agents, using LLM-based evaluation to identify error patterns in agent behavior and suggest targeted improvements. The platform integrates with popular agent frameworks like LangChain and CrewAI, offering developers real-time insights into agent failures and performance issues.
2 investors
Automorphic develops machine learning infrastructure where deployed models continuously improve themselves using generated data as training material.
2 investors
Autotab is an AI-powered automation platform that navigates complex applications to collect data, enter information into systems like ERPs and government forms, and execute actions across platforms. It serves businesses automating data gathering, system migration, and operational workflows.
1 investor
Baserun provides testing and observability tools for LLM applications, helping teams monitor latency, costs, and output quality while debugging and evaluating model behavior.
1 investor
Bland builds proprietary voice AI infrastructure for automated phone calls using in-house models for voice, language, and speech processing. The platform serves enterprises seeking to automate customer interactions at scale and reduced cost.
4 investors
Bolto combines AI-powered screening with a network of local recruiters to help companies hire global talent faster. The platform also handles payroll, compliance, and workforce management for distributed teams across multiple countries.
2 investors
Branch AI provides search box software for websites that generates AI-powered answers, recommendations, and product comparisons to increase user conversions and organic search visibility.
1 investor
Bretton AI provides an agentic AI platform and managed services for regulated banks, focusing on financial crime prevention, fraud detection, institutional risk management, and back-office operations in the financial services sector.
3 investors
Briefer is a collaborative platform where data scientists and analysts create interactive data visualizations and applications through a block-based editor, connect to multiple data sources, execute SQL and Python code, and work together in real time across different computing environments.
1 investor
Bronco AI develops AI tools for semiconductor verification engineers to detect design flaws, increase test coverage, and accelerate chip production timelines at major chipmakers.
3 investors
Cair Health provides agentic automation software for revenue cycle management (RCM) in healthcare, helping billing teams process claims and documentation faster and more accurately.
3 investors
Campfire is an AI-native ERP platform designed for accounting teams at mid-market and enterprise companies. It automates general ledger, revenue recognition, financial close management, and provides real-time financial dashboards with AI-powered transaction categorization and reconciliation.
2 investors























