United States · 
Who invested in Openhour?
Openhour's investors include M12 and Microsoft Ventures Accelerator Seattle.
2012201320142015
$400KSeed$225KSeed$875KSeed?Venture?Grant
United States · Funded startup
Who invested in Openhour
Funding summaryUpdated 26 Oct 2026
$1.5Mraised across 5 rounds since 2011, from 5 sources
$400KSeed$225KSeed$875KSeed
- Latest round
- GrantMar 2015
- Biggest round
- $875KSeed · Mar 2013
- 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
- Seed, $400K Nov 2011
- Biggest round
- $875K Seed · Mar 2013
- Usual gap between rounds
- 11 months the median of 4
The rounds
- Mar 2015
- Apr 2014
- Mar 2013Seed$875K
No investor was named in the report.
From a historical funding record
- Sept 2012Seed$225K
No investor was named in the report.
From a historical funding record
- Nov 2011Seed$400K
No investor was named in the report.
From a historical funding record
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
Microsoft Ventures Accelerator SeattleVC firm1round
Missing a round, or an investor who was in one? Tell us.
Quick answers about Openhour
How much has Openhour raised?
Openhour has raised $1.5M across 5 rounds since 2011. 2 rounds did not disclose an amount, so the total is a floor.
When did Openhour last raise?
Openhour's most recent round was a Grant in Mar 2015.
What was Openhour's biggest round?
Openhour's largest round on record is $875K (Seed), in Mar 2013.
Who backed Openhour first?
Openhour's first round on record, in Apr 2014, was backed by M12.
What stage is Openhour at?
Openhour's latest named round is a Grant, in Mar 2015.
Where is Openhour based?
Openhour is based in the United States.
Companies like Openhour
In the same sector, and raised in the last eighteen months.
Find investors like these
Search every investor by what they have actually funded, then narrow to your stage and market. Free.