Double was founded by Ben Stein, Kenny Song in 2020.

Who are Double's investors?

Double's investors include Album VC, Y Combinator, Alt Capital, ASDF Ventures, BORN CAPITAL CFOTECH, FJ Labs, Forefront Venture, Goldman Sachs and 8 more.

How much funding has Double raised?

Double has disclosed $6.5M raised across 1 of its 3 known rounds.

Where is Double headquartered?

Double is headquartered in New York City, US.

Double

YC S21

New York City, US · Founded 2020 · 80 employees · Hiring · 16 known investors

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Double is a practice management platform that automates accounting workflows including month-end close, tax preparation, and financial reporting for bookkeeping and accounting firms globally.

Also known as Jensen Technology, Inc. · Double (formerly Keeper) · Keeper · Keeper, Double (formerly Keeper)

AI & Machine Learning Enterprise Software Fintech SaaS B2BUnited States of AmericaAmerica / CanadaFully Remote

Founders & leadership· Y Combinator alumni (S21)

Double was founded in 2020 by Ben Stein and Kenny Song.

Ben Stein Cofounder and CEOBen Stein has held operations roles at SpaceX and Amazon, and served as CFO at Mira, an enterprise AR startup, before becoming CEO of Double.

Kenny Song CTO and Co-FounderKenny Song is the CTO of Double and has experience with React development.

Marissa ScheckelSDR Manager

Santiago MarchisioEngineering Manager

Eugene ParkQA Engineer

Hayden LordOperations Manager

Sara RobertsRecruiterformer

Josh MuslerOperations Managerformer

Eleonora LesterEngineering Managerformer

Investors · 16

Album VClisted by Album VCLehi · $500K – $3M

How we know: Album VC's portfolio page · Y Combinator's founder network · Not right? Tell us

Y Combinatorlisted by Y CombinatorSan Francisco · $500K

How we know: the Y Combinator directory · finance.yahoo.com · open dataset · 5k.vc investor directory · Not right? Tell us

Alt CapitalreportedSan Francisco · $1M – $10M

How we know: Y Combinator's founder network · Not right? Tell us

ASDF Venturesreported

How we know: Y Combinator's founder network · Not right? Tell us

BORN CAPITAL CFOTECHreportedAtlanta

How we know: Y Combinator's founder network · Not right? Tell us

FJ LabsreportedNew York · $100K – $3M

How we know: a partner's Signal profile · Not right? Tell us

Forefront VenturereportedSeattle

How we know: a partner's Signal profile · open dataset · 5k.vc investor directory · Not right? Tell us

Goldman SachsreportedNew York

How we know: a partner's Signal profile · Not right? Tell us

Index VenturesreportedSan Francisco · $540K – $10.8M

How we know: open dataset · 5k.vc investor directory · Not right? Tell us

MatrixreportedSan Francisco · $100K – $10M

How we know: a partner's Signal profile · Not right? Tell us

Muir Capital Investmentsreported

How we know: Y Combinator's founder network · Not right? Tell us

PeakreportedAmsterdam · $275K – $4.4M

How we know: a partner's Signal profile · Not right? Tell us

Sequoia CapitalreportedMenlo Park · $100K – $50M

How we know: Y Combinator's founder network · Not right? Tell us

Teamworthy VenturesreportedNew York

How we know: a partner's Signal profile · Not right? Tell us

Todd and Rahul’s Angel FundreportedSan Francisco · $300K – $500K

How we know: a partner's Signal profile · Y Combinator's founder network · Not right? Tell us

Twenty Two VenturesreportedPalo Alto · $50K – $250K

How we know: Y Combinator's founder network · Not right? Tell us

Funding

SEC filings, press & company announcements

$6.5M disclosed across 1 of 3 rounds · 2021–2025

$6.5MSeries ADec 2025 · 3 sources
Album Ventures, Y Combinator
Source ↗
Undisclosed amountSeedDec 2024
Source ↗
Undisclosed amountSeries AOct 2021
Source ↗

Source: company announcements and press reports — follow each round's link for the claim.

Related companies · 9

IntuitIntuit develops financial software products—including TurboTax, Credit Karma, QuickBooks, and Mailchimp—for consumers and small businesses to manage taxes, credit, accounting, and marketing. It serves approximately 100 million customers worldwide.

DimOrderDimOrder provides technology solutions for the food service industry, offering point-of-sale systems and dining platform services to restaurants. The company uses technology to improve operational efficiency and enhance the dining experience for both customers and restaurant operators.

Fresh BooksFreshBooks is a cloud-based accounting and invoicing platform designed for small service-based businesses. The software helps business owners manage invoicing, accounting, and financial connections with customers.

Pump.coPump provides discounted AWS cloud computing for early-stage startups through collective purchasing and automated optimization, with no setup or engineering required.

ConcourseConcourse is a platform that builds and deploys AI agents for enterprise finance teams, covering FP&A, accounting, treasury, and data functions. It connects to existing finance systems and delivers outputs through tools like Excel, Slack, Teams, and PowerPoint, with enterprise security and AI governance features.

XeroXero provides cloud-based accounting software for small businesses and their advisors, serving around 5 million customers across 180+ countries including Australia, the UK, the US, and New Zealand. The page is an investor relations section covering financial results, annual reports, and shareholder information.

VolopayVolopay provides corporate cards, automated expense management, and accounting integrations for businesses. The platform targets finance teams in the APAC region seeking to streamline financial operations.

NovaNova provides software for deal management and data sharing in private markets, serving investors and financial professionals. The company was acquired by AngelList in 2023 and its products were rebranded as AngelList Transact and AngelList Data Room.

KarbonKarbon provides accounting practice management software for accounting firms, offering tools for team collaboration, workflow and task automation, client management, and email. It includes an AI assistant ("Kai") that draws on a firm's data to handle tasks and answer questions.

Companies working in the same space as Double.

Legal entities · 1

corporate structure

Jensen Technology, Inc.

In the news

Double Raises $6.5 Million Series A from Album Ventures, Jack Altman, and Y Combinator to Double Accountants’ Productivityfinance.yahoo.com · Dec 2025

Frequently asked questions

What does Double do?: Double is a practice management platform that automates accounting workflows including month-end close, tax preparation, and financial reporting for bookkeeping and accounting firms globally.
Who founded Double?: Double was founded by Ben Stein, Kenny Song in 2020.
Who are Double's investors?: Double's investors include Album VC, Y Combinator, Alt Capital, ASDF Ventures, BORN CAPITAL CFOTECH, FJ Labs, Forefront Venture, Goldman Sachs and 8 more.
How much funding has Double raised?: Double has disclosed $6.5M raised across 1 of its 3 known rounds.
Where is Double headquartered?: Double is headquartered in New York City, US.