YC W12 Startups
Every Y Combinator Winter 2012 company we currently index.
About YC W12
The Y Combinator W12 batch (Winter 2012) brought 39 tech startups into our index. This page lists every W12 company we currently track, with logos, taglines, and links straight to their own sites — no paywalled middleman. Notable W12 companies include Amplitude, Gusto, 42Floors, Amiato, and Authy. Each profile surfaces team size, founding year, location, and open roles when their careers page is publicly scrapable. The W12 cohort skews toward Consumer, Dev Tools, and Productivity — common patterns we see in this batch. Recurring tags across these companies: B2B, SaaS, Fintech, Analytics, Messaging. The directory's filter UI accepts any of them as a query. Geographically, the W12 batch we have leans toward San Francisco, New York, and Redwood City, with the rest spread across remote-first teams and other hubs. 2 of these are currently flagged as trending based on momentum signals; 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 W12 batch?
W12 is the Y Combinator batch code for the Winter 2012 cohort. Companies joining a YC batch go through a 3-month program in California and demo their product at the end. techstartupslist.com indexes 39 tech startups from this batch.
How many companies are in YC W12?
Our index currently tracks 39 active tech startups from the YC W12 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 W12?
Among the W12 companies indexed here: Amplitude, Gusto, and 42Floors, and 36 more on this page. Click any profile for category, team size, founding year, and open roles.
Where can I find open jobs at YC W12 startups?
Open roles from indexed W12 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 W12 page updated?
Automated scrapers refresh this page daily. The last index update was 2026-07-17. Inactive companies fall out of the count automatically — we don't keep dead listings live.