United States · 
Who invested in PostSig?
PostSig's investors include SaaS Ventures and Denver Ventures.
United States · Seed startup
Who invested in PostSig
One round we have observed, with the 2 investors named in it. Every figure came from a named source, and where the company reported a raise to the SEC itself, that is shown beside it.
Funding summaryUpdated 26 Oct 2026
$4.1Mraised across 1 round since 2025, from 1 source
- Latest round
- Seed, $4.1MSept 2025
- Investors
- 2
The rounds
- Sept 2025
Everyone who backed them
Missing a round, or an investor who was in one? Tell us.
Also claim to have backed them
This firm lists PostSig as a portfolio company on their own website, but no report of a round names it. They are the firms' own claims, kept apart from the rounds above.
Quick answers about PostSig
How much has PostSig raised?
PostSig has raised $4.1M across 1 round since 2025.
When did PostSig last raise?
PostSig's most recent round was a Seed of $4.1M in Sept 2025.
What was PostSig's biggest round?
Its most recent round, $4.1M in Sept 2025, is also its largest on record.
Who backed PostSig first?
PostSig's first round on record, in Sept 2025, was backed by SaaS Ventures and Denver Ventures.
What stage is PostSig at?
PostSig's latest named round is a Seed, in Sept 2025.
Where is PostSig based?
PostSig is based in the United States.
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