United States · 
Who invested in Promisec?
Promisec's investors include Synetro Group and Old City Investment Partners.
200620072008200920102011
?Venture?GrowthUnited States · Growth startup
Who invested in Promisec
2 rounds we have observed, with the 2 investors named in them. 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
Undisclosedraised across 2 rounds since 2006, from 2 sources
- Latest round
- GrowthDec 2011
- Investors
- 2
The funding story
Each circle is a round, placed by date and sized by amount. The line above is the running total.
- First round
- Venture Jan 2006
- Between rounds
- 6 years from the last two
The rounds
- Dec 2011
- Jan 2006
Who was in which round
The busiest backers across the latest rounds. A filled square is a round they joined; a dark one, a round they led.
Everyone who backed them
Missing a round, or an investor who was in one? Tell us.
Quick answers about Promisec
How much has Promisec raised?
Promisec has raised 2 rounds since 2006, none with a disclosed amount.
When did Promisec last raise?
Promisec's most recent round was a Growth in Dec 2011.
Who backed Promisec first?
Promisec's first round on record, in Jan 2006, was backed by Old City Investment Partners.
What stage is Promisec at?
Promisec's latest named round is a Growth, in Dec 2011.
Where is Promisec based?
Promisec is based in the United States.
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