Oisin Hanrahan, Founder of Keychain

About Oisin Hanrahan

Oisin Hanrahan is the founder of Keychain. Keychain operates in SaaS and is based in New York, NY. Keychain has raised $68M, latest Series A $30M (2025). Backers on record include Ashvin Bachireddy, Brij Khurana, David Tisch, Geoff Lind, Jackson Cummings, Van Jones and 3 others.

Oisin Hanrahan at a glance

Company

Keychain

Industry

SaaS

Location

New York, NY

Total raised

$68M

Investors on record

Ashvin Bachireddy, Brij Khurana, David Tisch, Geoff Lind, Jackson Cummings, Van Jones, BoxGroup, SV Angel

Frequently asked about Oisin Hanrahan

Who is Oisin Hanrahan?

Oisin Hanrahan is the founder of Keychain. Full profile, funding history and background on StartupFundraising.com.

What company did Oisin Hanrahan found?

Oisin Hanrahan founded Keychain, a SaaS company based in New York, NY.

How do I contact Oisin Hanrahan?

Verified contact routes including LinkedIn, background and funding history for Oisin Hanrahan are available on the StartupFundraising.com founder profile.

This founder profile draws on disclosed rounds, filings and investor records in the StartupFundraising database and is updated as new funding is recorded. Founders raising now use profiles like this one to study comparable SaaS journeys in New York — who backed them, at what stage, and how much they raised.

Keychain funding profile (1)

• Keychain funding: total raised, rounds and investors

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