We work intensively with the companies for three months to get them into the best possible shape and refine their pitch to investors. Each cycle culminates in Demo Day, when the startups present their companies to a carefully selected, invite-only audience. But YC doesn’t end on Demo Day. We and the YC alumni network continue to help founders for the life of their company, and beyond.

Lattice is best all-in-one people platform, giving HR teams everything they need for HR, Talent, and AI—together in one place.The platform seamlessly integrates a modern HRIS with performance management, engagement insights, AI-driven analytics, payroll, and career development tools, giving HR teams everything they need to build high-performing teams and make data-driven decisions that drive business results. Unlike outdated, disconnected systems, Lattice removes tradeoffs between best-in-class people programs and operational efficiency. Because HR teams shouldn't have to choose between strategic impact and a system that just works. With offices in North America and the UK, Lattice serves more than 5,000 customers worldwide, including Gusto, Brilliant Earth, Intercom, Webflow, Calm, NPR, Tide, and more. The company has ranked on the Inc. 5000 list of the fastest-growing private companies for four consecutive years and is rated as a Great Place to Work by 99 percent of its employees.

HackerRank helps companies develop the strongest tech teams around. HackerRank helps candidates sharpen their tech skills and pursue job opportunities.

Since its inception in 2003, DocuSign has been on a mission to accelerate business and simplify life for companies and people around the world. We pioneered the development of e-signature technology, and today DocuSign helps organizations connect and automate how they prepare, sign, act on, and manage agreements. Our value is simple to understand: legacy, paper-based agreement processes are manual, slow, expensive, and error-prone. We eliminate the paper, automate the process, and connect it to all the other systems that businesses are already using. Our platform has 350+ prebuilt integrations with popular business apps and our APIs enable embedding and connecting DocuSign with customers' websites, mobile apps, and custom workflows. Today, more than 500,000 customers and hundreds of millions of users in over 180 countries use DocuSign to accelerate the process of doing business and to simplify people's lives.

Wellfound is the leading hiring platform for startups and tech companies. It provides tools for companies to source, evaluate, and manage applicants. wellfound:ai is a suite of AI recruiting tools that integrates with Gem to automate the busy work of finding talent, so you can focus on turning great candidates into great hires.

The Okta Identity Cloud provides secure identity management with Single Sign-On, Multi-factor Authentication, Lifecycle Management (Provisioning), and more.

Talent Llama customers hire 25% faster by rethinking how they screen applications. Instead of relying on resumes, they use our AI to interview everyone — automatically. It’s a dynamic, two-way voice conversation that uncovers real skills without eating up recruiter time. The result? Better hires, faster decisions, thousands a month in savings.

Streamline interviewing and transform your quality of hire with BrightHire, the #1 Interview Intelligence platform trusted by 300+ leading talent teams including companies like Ramp, Canva, Klaviyo, Zapier, HCA Healthcare, Intercom, Toast, Vercel and Devoted Health. BrightHire’s complete AI interviewing platform seamlessly fits into your team’s hiring workflow so you can: • Scale interview structure with AI-assisted interview planning and live interview guides • Capture every interview detail with automatic AI notes, highlights and transcripts that free up your hiring teams to focus fully on candidates, not taking notes. • Collect better scorecards in half the time with comprehensive AI-generated notes and 1-click scorecard integrations. • Raise quality of hire with accurate candidate summaries and shareable interview highlights for evidence-based debriefs. • Build a team of exceptional interviewers with market-leading interview insights, personalized tips for your hiring teams, and async interview coaching playlists.

Remote eliminates barriers to international hiring so great companies can work with great people, no matter where those people are.

Merge is a single API to add hundreds of integrations to your product. With Merge’s Unified API, developers access a standardized data model to pull and post data between their own platforms and the platforms that Merge offers connections with, in categories like HR & Payroll, ATS, Accounting, CRM, Ticketing, Marketing Automation, File Storage, and more. Merge manages these integrations end-to-end and provides tools that give full visibility and control over your integrations, which saves you countless hours of maintenance and support. The Merge dashboard allows developers to control data syncs, configure webhooks, troubleshoot and resolve customer issues like expired API keys, and more, without the use of engineering resources. By offering integrations at scale, Merge customers like Drata, Ramp, Calendly, and Gong close deals faster, reduce customer churn, and save engineering costs spent on building and maintaining integrations.

About Tofu Tofu is the AI fraud detection platform that protects companies from fake applicants and bad actors. Backed by leading investors, Tofu uses multi-signal analysis to identify sophisticated hiring threats - from AI-generated applications to state-sponsored actors like North Korean IT workers. Companies like Circle.com and Samsara trust Tofu to secure their hiring pipelines. Our fraud detection capabilities include: • AI Fraud Screening: Automatically analyzes every applicant across 40+ of signals - resume metadata, cross-network identity verification, and behavioral patterns - to surface risk before you ever review a resume. • Risk Reports: Clear, recruiter-friendly reports that explain exactly why an applicant was flagged, with actionable recommendations for next steps. • Cross-Network Detection: Identifies applicants who've applied to multiple companies using different identities, exposing coordinated fraud rings. • Continuous Monitoring: Ongoing verification that catches threats that emerge after initial screening. • Deepfake Detection: Detect deepfake usage on interviews and ensure the same candidate shows up to every interview.

A better way to manage background checks. Screen one candidate or thousands with fast, accurate background checks from Checkr.