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14,448 startups · 29 programs

Compose

Acquired · We make it easy to run databases. PostgreSQL, Redis, MongoDB,…

WebsiteYC profile

Why it ranks

How the rank works
17signal of 100 · rising 3
  • team of 51Team size · YC's directory+8.9
  • 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

DataAcquiredCitus DataShared: fully managed, databases, postgresqlYC S11San FranciscoStartup →DataPgDogShared: databases, postgresql, managedYC X25San FranciscoStartup →AIEncordShared: data layer, infrastructureYC W21LondonStartup →AIMundo AIShared: data layer, infrastructureYC W25VancouverStartup →AIMaritimeShared: fully managed, run, infrastructureYC F26San FranciscoStartup →OtherMongoDBShared: mongodb, databaseStartup →OtherPerconaShared: mongodb, postgresql, developerStartup →OtherEnterpriseDBShared: postgresql, databaseStartup →
Companies closest to Compose
Company
Citus DataShared: fully managed, databases, postgresqlYC S11AcquiredData, Devtools
PgDogShared: databases, postgresql, managedYC X25ActiveData, Devtools
EncordShared: data layer, infrastructureYC W21ActiveAI, Devtools
Mundo AIShared: data layer, infrastructureYC W25ActiveAI, Devtools
MaritimeShared: fully managed, run, infrastructureYC F26ActiveAI, Devtools
MongoDBnot in a program hereShared: mongodb, databaseElsewhereOther
Perconanot in a program hereShared: mongodb, postgresql, developerElsewhereOther
EnterpriseDBnot in a program hereShared: postgresql, databaseElsewhereOther

Adjacent

OtherSparrowShared: fully managedSPC 2018San FranciscoStartup →DataAcquiredKeyDBShared: databases, infrastructureYC S20TorontoStartup →OtherMeckaShared: data layerNeoStartup →AINetRanksShared: data layerAntler 2025SingaporeStartup →DataSupabaseShared: databases, scale, infrastructureYC S20San FranciscoStartup →
Companies next to Compose
Company
SparrowShared: fully managedSPC 2018Not statedOther
KeyDBShared: databases, infrastructureYC S20AcquiredData, Devtools
MeckaShared: data layerNeo Not statedOther
NetRanksShared: data layerAntler 2025Not statedAI
SupabaseShared: databases, scale, infrastructureYC S20ActiveData, Devtools

Also from S11 in Data

All of S11
DataAcquiredFreshplumAnalytics with actionYC S11San FranciscoStartup →DataInactiveMarketBriefGenerate stories from SEC filings.YC S11New York CityStartup →DataAcquiredPageleverFacebook analytics. Acquired by Unified in January 2013.YC S11San FranciscoStartup →DataAcquiredParseParse is the easiest way to build apps.YC S11San FranciscoStartup →DataAcquiredRealmBetter data structures = no DB.YC S11San FranciscoStartup →DataAcquiredSegmentSoftware and APIs to collect, clean, and control customer data.YC S11San FranciscoStartup →
Company
FreshplumAnalytics with actionteam of 8acquiredAcquiredData
MarketBriefGenerate stories from SEC filings.team of 2InactiveData
PageleverFacebook analytics. Acquired by Unified in January 2013.team of 11acquiredAcquiredData
ParseParse is the easiest way to build apps.team of 11acquiredAcquiredData, Devtools
RealmBetter data structures = no DB.team of 51acquiredAcquiredData
SegmentSoftware and APIs to collect, clean, and control customer data.team of 550YC top companyAcquiredData

About Compose

Compose is a fully-managed platform used by developers to deploy, host, and scale databases to help you conquer the data layer. www.compose.io

YC batch
S11 · Summer 2011
Status, per YC
Acquired
Category
Data, Developer tools
Team size
51
Location
San Francisco, CA, USA; San Mateo, CA, USA
Checked
6h ago

YC tags: DevOps, Databases

Compose in S11: 60 companies, 8% AI

Compose: questions

Which YC batch was Compose in?

Compose was in Y Combinator's Summer 2011 batch (S11).

Is Compose still active?

Y Combinator lists Compose as acquired.

Where is Compose based?

Compose lists San Francisco, CA, USA; San Mateo, CA, USA as its location on YC's directory.