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Middesk

YC W19

San Francisco, US · Founded 2019 · 130 employees · Hiring · 6 known investors

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Middesk is a business identity platform that helps companies verify, onboard, and monitor other businesses using verified data and streamlined processes. It serves financial services and enterprise companies that need to assess business creditworthiness and trust.

Also known as Cleri

Data & InfrastructureEnterprise SoftwareFintechSaaSB2BUnited States of AmericaAmerica / CanadaPartly Remote

Founders & leadership· Y Combinator alumni (W19)

Middesk was founded in 2019 by Kyle Mack and Kurt Ruppel.

KMKyle Mack
Kyle MackCEO and Co-founderBefore starting Middesk in 2018, he spent three years at Checkr, where he moved from sales lead to director of strategic sales and then director of solutions, and earlier worked as an account executive and sales team lead at AnyPerk. He has also served as a Sequoia Scout at Sequoia Capital since 2020.
KRKurt Ruppel
Kurt RuppelCo-Founder
PZ
Paul ZaichEngineering Manager
BD
Bryn DolanRecruiter
SC
Sawyer CelentanoRecruiter
LT
Leti TomellosoRecruiter
ADAsad Dar
Asad DarEngineering2021–2023Founder at Synch
IH
Ian HarrimanSalesformer
AA
Andrew AdamsProduct Operationsformer
TH
Tess HuelskampSoftware Engineerformer
BM
Bailey MiradorTechnical Recruiterformer
MG
Marlene GuardadoRecruiterformer

Investors · 6

Accellisted by AccelPalo Alto · $500K – $100M

How we know: funding news · company funding news (hacker news) · techcrunch.com · open dataset · 5k.vc investor directory · Y Combinator's founder network · Not right? Tell us

Gaingelslisted by GaingelsNew York · $200K – $500K

How we know: funding news · Y Combinator's founder network · gaingels.com · Not right? Tell us

Insight Partnerslisted by Insight PartnersNew York · $120M – $350M

How we know: funding news · insightpartners.com · open dataset · 5k.vc investor directory · Y Combinator's founder network · Not right? Tell us

Sequoia Capitallisted by Sequoia CapitalMenlo Park · $100K – $50M

How we know: Sequoia Capital's portfolio page · company funding news (hacker news) · techcrunch.com · Y Combinator's founder network · Not right? Tell us

Y Combinatorlisted by Y CombinatorSan Francisco · $500K

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

Canapi VenturesreportedNew Yorkvia Walker Forehand · led

How we know: funding news · insightpartners.com · open dataset · 5k.vc investor directory · Y Combinator's founder network · Not right? Tell us

Funding

SEC filings, press & company announcements

$57M disclosed across 1 of 3 rounds · 2019–2022

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

Images

Middesk photo

Founder mafia

2 people who came through Middesk went on to found or lead other companies.

Abigail GrillsStaff Product Manager, Business VerificationFounded RiveterJonathan AwadGrowthFounded Baselayer

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Companies working in the same space as Middesk.

Legal entities · 1

corporate structure
Middesk, Inc.

In the news

Middesk Named a 2025 Fast Company World's Most Innovative Companyprnewswire.com · Mar 2025Middesk Raises $57M in Series B Funding - FinSMEsfinsmes.com · Jun 2022Middesk raises $57M to automate business verification and underwritingtechcrunch.com · Jun 2022Leading business identity platform Middesk raises $57M Series B co-led by Insight Partners and Canapi Ventures | Insight Partnersinsightpartners.com · Jun 2022Announcing our $57M Series Bmiddesk.com · Jun 2022Accel and Sequoia seed Middesk (YC W19) with $4M to background check businessestechcrunch.com · Sep 2019

Frequently asked questions

What does Middesk do?
Middesk is a business identity platform that helps companies verify, onboard, and monitor other businesses using verified data and streamlined processes. It serves financial services and enterprise companies that need to assess business creditworthiness and trust.
Who founded Middesk?
Middesk was founded by Kyle Mack, Kurt Ruppel in 2019.
Who are Middesk's investors?
Middesk's investors include Accel, Gaingels, Insight Partners, Sequoia Capital, Y Combinator, Canapi Ventures.
How much funding has Middesk raised?
Middesk has disclosed $57M raised across 1 of its 3 known rounds.
Where is Middesk headquartered?
Middesk is headquartered in San Francisco, US.