Top accelerator startups

Startups14,448Programs29

14,448 startups · 29 programs

Stardex

Active · AI native ATS + CRM for executive search firms

WebsiteYC profile

Why it ranks

How the rank works
11signal of 100 · rising 3
  • team of 9Team size · YC's directory+5.2
  • went through YCProgram · this site+4
  • hiringHiring · Titles (titles.fru.dev), YC+2

A sum of public facts, not a judgement and not investment advice.

Competitors

AISpottShared: recruiting firm, ats, crmYC W25LeuvenStartup →AIVelaShared: executive search, recruitingYC W26San FranciscoStartup →AIJoobaShared: recruiting firmspeedrun SR005Los AngelesStartup →AIxBitesShared: repetitive task, streamlineAntler 2025Saudi ArabiaStartup →AIFlott HQShared: automating repetitive, repetitive task, nativeYC X25ParisStartup →
Companies closest to Stardex
Company
SpottShared: recruiting firm, ats, crmYC W25ActiveAI
VelaShared: executive search, recruitingYC W26ActiveAI
JoobaShared: recruiting firmspeedrun SR005Not statedAI
xBitesShared: repetitive task, streamlineAntler 2025Not statedAI
Flott HQShared: automating repetitive, repetitive task, nativeYC X25ActiveAI

Adjacent

OtherINFR AIShared: client collaborationEF 2017SingaporeStartup →OtherRegulusTechnologiesShared: productivity, recruiting500 Global 2017JapanStartup →OtherThose BeyondShared: building meaningfulSeedcamp 2022Startup →AISYSLEAShared: crmPlug and PlayJapanStartup →OtherElton, Inc.Shared: automating repetitiveAlchemist Class 24San FranciscoStartup →
Companies next to Stardex
Company
INFR AIShared: client collaborationEF 2017Not statedOther
RegulusTechnologiesShared: productivity, recruiting500 Global 2017Not statedOther
Those BeyondShared: building meaningfulSeedcamp 2022Not statedOther
SYSLEAShared: crmPlug and Play Not statedAI
Elton, Inc.Shared: automating repetitiveAlchemist Class 24Not statedOther

Also from S21 in AI

All of S21
AIInactiveForage MailAI that solves email overwhelm. Not another mail app.YC S21New York CityStartup →AIJestorSaving OPS from SLOPS. Jestor builds internal systems that last.YC S21San FranciscoStartup →AIWarpBuildAccelerate software development with WarpBuild's 10x faster CI infra.YC S21San FranciscoStartup →AIAbstraAutomate finance operations with AIYC S21São PauloStartup →AIAdaptyvWe're building fully automated labs for protein engineeringYC S21LausanneStartup →AIAdniThe career network for healthcare workersYC S21San FranciscoStartup →
Company
Forage MailAI that solves email overwhelm. Not another mail app.team of 4InactiveAI
JestorSaving OPS from SLOPS. Jestor builds internal systems that last.team of 12ActiveAI
WarpBuildAccelerate software development with WarpBuild's 10x faster CI infra.team of 14ActiveAI, Devtools
AbstraAutomate finance operations with AIteam of 18ActiveAI, Devtools
AdaptyvWe're building fully automated labs for protein engineeringteam of 25hiringActiveAI
AdniThe career network for healthcare workersteam of 5ActiveAI

About Stardex

Stardex is an AI native ATS and CRM executive firms and professional recruiting firms. We are AI first designed specifically for modern recruiting firms. It has a powerful client collaboration feature that helps you execute searches faster with clients. It also streamlines your searches by automating repetitive tasks, allowing you to dedicate more time to building meaningful relationships.

YC batch
S21 · Summer 2021
Status, per YC
Active
Category
AI
Team size
9
Location
New York City, NY, USA
Checked
10h ago

YC tags: SaaS, Productivity

Changes seen

Team sizeOct 26, 2026

Team went from 7 to 9 people.

Source ↗
Team sizeOct 5, 2026

Team went from 6 to 7 people.

Source ↗
HeadquartersSep 28, 2026

Moved its headquarters from San Francisco, CA, USA to New York City, NY, USA.

Source ↗

Stardex in S21: 391 companies, 34% AI

Stardex: questions

Which YC batch was Stardex in?

Stardex was in Y Combinator's Summer 2021 batch (S21).

Is Stardex still active?

Y Combinator lists Stardex as active.

Where is Stardex based?

Stardex lists New York City, NY, USA as its location on YC's directory.