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14,448 startups · 29 programs

Double

Active · We make software for bookkeepers.

WebsiteYC profile

Why it ranks

How the rank works
16signal of 100 · rising 4
  • team of 80Team size · YC's directory+9.9
  • 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

AITrébolShared: back office, finance and accountingYC W22BogotáStartup →AIDefiniteShared: back office, finance and accountingYC F26San FranciscoStartup →OtherAcquiredProperShared: back office, manage, finance and accountingYC W22San FranciscoStartup →OtherAcquiredBonsaiShared: back office, client, manageYC W16BoulderStartup →
Companies closest to Double
Company
TrébolShared: back office, finance and accountingYC W22ActiveAI
DefiniteShared: back office, finance and accountingYC F26ActiveAI
ProperShared: back office, manage, finance and accountingYC W22AcquiredOther
BonsaiShared: back office, client, manageYC W16AcquiredOther

Adjacent

AIAplaShared: bookkeeper500 Global GA 33United StatesStartup →OtherZingageShared: back officeSPC 2022New YorkStartup →AIParb AIShared: back officeAntler 2024USStartup →OtherPortersShared: back officeSeedcamp 2025Startup →OtherKayShared: back officeSPC 2022New YorkStartup →
Companies next to Double
Company
AplaShared: bookkeeper500 Global GA 33Not statedAI
ZingageShared: back officeSPC 2022Not statedOther
Parb AIShared: back officeAntler 2024Not statedAI
PortersShared: back officeSeedcamp 2025Not statedOther
KayShared: back officeSPC 2022Not statedOther

Also from S21

All of S21
AIAquaThe AI-Native Turnkey Alternative Investment Platform (TAIP)YC S21New York CityStartup →AICoinruleCoinrule Automates Your Crypto and Stock InvestmentsYC S21LondonStartup →AIConcord MaterialsAutomating procurement and finance for construction companiesYC S21New York CityStartup →AIConfidoAI-enabled financial automation and intelligence for CPG BrandsYC S21New York CityStartup →Developer toolsCumbucaBare-metal access to Brazil's Open Finance and Pix systemsYC S21São PauloStartup →Developer toolsDots 💸Developer friendly drop in payouts infrastructureYC S21San FranciscoStartup →
Company
AquaThe AI-Native Turnkey Alternative Investment Platform (TAIP)team of 23hiringActiveAI
CoinruleCoinrule Automates Your Crypto and Stock Investmentsteam of 7hiringActiveAI
Concord MaterialsAutomating procurement and finance for construction companiesteam of 7ActiveAI
ConfidoAI-enabled financial automation and intelligence for CPG Brandsteam of 65hiringActiveAI, Data
CumbucaBare-metal access to Brazil's Open Finance and Pix systemsteam of 5ActiveDevtools
Dots 💸Developer friendly drop in payouts infrastructureteam of 10hiringActiveDevtools

About Double

Double makes software to help bookkeepers manage their clients' back-office. We write the same kind of software that venture-backed bookkeepers like Pilot write internally, but instead of doing bookkeeping, we sell that software to the 1.5M bookkeepers across the US.

YC batch
S21 · Summer 2021
Status, per YC
Active
Category
Other
Team size
80
Location
New York City, NY, USA; Remote
Checked
6h ago

YC tags: Fintech, SaaS, B2B

Double in S21: 391 companies, 34% AI

Double: questions

Which YC batch was Double in?

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

Is Double still active?

Y Combinator lists Double as active.

Where is Double based?

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