Why it ranks
How the rank works22signal of 100 · rising 3
- team of 500Team size · YC's directory+14
- acquiredOutcome · YC, program pages, Acquisitions+4
- went through YCProgram · this site+4
A sum of public facts, not a judgement and not investment advice.
Competitors
| Company | Category | Status | Program |
|---|---|---|---|
| Devtools | Acquired | YCW15 | |
| AI, Devtools | Acquired | YCS23 | |
| Devtools | Acquired | YCS20 | |
| Devtools | Inactive | YCS20 | |
| AI, Devtools | Active | YCS25 |
Adjacent
ViableShared: web appsAntler 2026SingaporeStartup →
CascoShared: web apps, infrastructureYC X25Startup →
ShuttleShared: web apps, infrastructure, developerYC S20LondonStartup →
WaspShared: web apps, developerYC W21ZagrebStartup →
FlutterFlowShared: web apps, mobile, developerYC W21San FranciscoStartup →
| Company | Category | Status | Program |
|---|---|---|---|
| ViableShared: web appsAntler 2026Not statedAI | AI | Not stated | Antler2026 |
| AI, Devtools | Active | YCX25 | |
| AI, Devtools | Inactive | YCS20 | |
| Devtools | Active | YCW21 | |
| Devtools | Active | YCW21 |
Also from S11 in Developer tools
All of S11About Firebase
Firebase is a mobile platform that gives developers the tools and infrastructure to build better apps and grow successful businesses Firebase was acquired by Google in October, 2014. Learn more at firebase.google.com
- YC batch
- S11 · Summer 2011
- Status, per YC
- Acquired
- Category
- Developer tools
- Team size
- 500
- Location
- San Francisco, CA, USA; Mountain View, CA, USA
- Checked
- 6h ago
Firebase: questions
Which YC batch was Firebase in?
Firebase was in Y Combinator's Summer 2011 batch (S11).
Is Firebase still active?
Y Combinator lists Firebase as acquired.
Where is Firebase based?
Firebase lists San Francisco, CA, USA; Mountain View, CA, USA as its location on YC's directory.