Refolk
Sign in

Y Combinator portfolio SaaS companies

The most prolific seed accelerator in the world, batch class twice a year. Filtered to companies in SaaS.

Edit the query above, or pick a refinement. 100 free credits on sign-up, no card needed.

Built from a search like: “Y Combinator-backed SaaS companies”

Ranked by current headcount across Y Combinator-backed SaaS companies. Refreshed daily.

  1. 1
    DoorDash· San Francisco, California, United States
    • Post-IPO debt
    • 80.7k employees
    • Founded 2013
  2. 2
    Airbnb· San Francisco, California, United States
    • Post-IPO debt
    • 68.6k employees
    • Founded 2007
  3. 3
    Instacart· San Francisco, California, United States
    • Private equity
    • 24.8k employees
    • Founded 2012
  4. 4
    Meesho· Bengaluru, Karnataka, India
    • post ipo secondary
    • 23.9k employees
    • Founded 2015
  5. 5
    Zepto· Greater Kolkata Area
    • Series H
    • 18.3k employees
    • Founded 2021
Reveal 1,850 more·100 free credits, no card

Y Combinator’s SaaS portfolio

The list above ranks Y Combinator-backed SaaS companies by current headcount, drawn from public LinkedIn and Crunchbase records. 1,855 matching companies in our index give you a quick read on where Y Combinator has gone deepest in the SaaS space.

Y Combinator’s SaaS bets tend to share a thesis. The engineers, ML researchers, and founders inside these companies are often building the same primitives - and they show up in SaaS talent pools across the next decade.

Refolk converts this list into a live search. Ask for “Y Combinator SaaScompanies hiring senior engineers” or “founders of Y Combinator-backed SaaScompanies” and Refolk returns a fresh ranked shortlist.

How this list is built

Refolk pulled SaaS companies whose disclosed Crunchbase investor list includes Y Combinator, ranked them by current employee count, and kept those with at least 5 employees. The list refreshes once a day.

Last refreshed: Sun, 21 Jun 2026 08:21:22 GMT

Need a more specific search?

Refolk runs natural-language searches across LinkedIn, GitHub, and the open web. Try one of these:

Related lists

See all company lists.

Or zoom out