United States · 
Who invested in Serious Business?
Serious Business's investors include Lightspeed Venture Partners.
United States · Venture startup
Who invested in Serious Business
One round we have observed, with the one investor 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.
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Funding summaryUpdated 15 Nov 2026
$4.0Mraised across 1 round since 2008, from 1 source
- Latest round
- Venture, $4.0MApr 2008
- Investors
- 1
The rounds
- Apr 2008
The exit
ExitBuyerPriceWhen
AcquiredZyngaundisclosedFeb 2010
From historical deal records. Wrong? Tell us.
Everyone who backed them
Missing a round, or an investor who was in one? Tell us.
Quick answers about Serious Business
How much has Serious Business raised?
Serious Business has raised $4.0M across 1 round since 2008.
When did Serious Business last raise?
Serious Business's most recent round was a Venture of $4.0M in Apr 2008.
What was Serious Business's biggest round?
Its most recent round, $4.0M in Apr 2008, is also its largest on record.
Who backed Serious Business first?
Serious Business's first round on record, in Apr 2008, was backed by Lightspeed Venture Partners.
What stage is Serious Business at?
Serious Business's latest named round is a Venture, in Apr 2008.
Where is Serious Business based?
Serious Business is based in the United States.
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