YC S25 Startups
Every Y Combinator Summer 2025 company we currently index — part of the latest YC companies rollup.
About YC S25
The Y Combinator S25 batch (Summer 2025) brought 172 tech startups into our index. This page lists every S25 company we currently track, with logos, taglines, and links straight to their own sites — no paywalled middleman. Notable S25 companies include Acrely, Adaptional, AgentMail, Alara, and Albacore Inc.. Each profile surfaces team size, founding year, location, and open roles when their careers page is publicly scrapable. The S25 cohort skews toward AI / ML, Dev Tools, and Healthcare — common patterns we see in this batch. Recurring tags across these companies: Artificial Intelligence, AI, B2B, Developer Tools, SaaS. The directory's filter UI accepts any of them as a query. Geographically, the S25 batch we have leans toward San Francisco, New York City, and Unspecified, with the rest spread across remote-first teams and other hubs. and the listing refreshes whenever the scrape runs, so changes propagate without a manual edit.
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Frequently asked questions
What is the YC S25 batch?
S25 is the Y Combinator batch code for the Summer 2025 cohort. Companies joining a YC batch go through a 3-month program in California and demo their product at the end. techstartupslist.com indexes 172 tech startups from this batch.
How many companies are in YC S25?
Our index currently tracks 172 active tech startups from the YC S25 batch. New companies appear here automatically when our daily scraper finds them; companies that shut down are flagged inactive and hidden from listings.
Which companies graduated from YC S25?
Among the S25 companies indexed here: Acrely, Adaptional, and AgentMail, and 169 more on this page. Click any profile for category, team size, founding year, and open roles.
Where can I find open jobs at YC S25 startups?
Open roles from indexed S25 companies appear on our /jobs page, aggregated alongside roles from other indexed startups. Each role links directly to the company's official application page.
How often is the YC S25 page updated?
Automated scrapers refresh this page daily. The last index update was 2026-09-02. Inactive companies fall out of the count automatically — we don't keep dead listings live.