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Sonopia

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Branded mobile phone services for brands, charities, environmental organizations and entertainment groups

Menlo Park, United StatesFounded 2005Marketing
Valuation $50–100M Last recorded · 2007
Headcount <100 Current team size
Total funding $10–50M Disclosed equity funding
Unlock exact values This page shows ranges. Dealroom has the exact numbers for Sonopia and the history behind them.

About Sonopia

Sonopia was a mobile virtual network operator (MVNO) enabler founded in 2005 by Juha Christensen, a co-founder of Symbian. The company, based in Menlo Park, California, secured $21.5 million in total funding over two rounds, including a $12.7 million Series B in May 2007 led by Cardinal Venture Capital, with other investors like Sevin Rosen and Fuse Capital participating.

The firm's business model centered on providing a platform that allowed various organizations, groups, and even individuals to create their own branded mobile phone services. This was offered free of charge, with Sonopia managing the service, which ran on the Verizon Wireless network. The platform was designed to be user-friendly, enabling a new mobile service, complete with custom calling plans, phones, and exclusive content, to be set up online in approximately 15 minutes. Clients could essentially become their own virtual wireless carriers, marketing the services to their members or supporters.

Sonopia's target market included a wide range of entities, from local sports teams and charities to larger organizations. Early adopters of the platform included the National Wildlife Federation, the International Animated Film Society, and the Long Island Ducks minor-league baseball team. The revenue model involved Sonopia handling the back-end operations and service management while the partner organization focused on marketing to its community. Despite its novel approach to the mobile market, the company is now listed as deadpooled.

Source: Dealroom company data

At a glance

Status
Closed
Founded
2005
Headquarters
Menlo Park, United States
Employees
7
Open positions
None listed
Dealroom signal
0.0/100
Industry
Marketing
Sub-industry
Adtech
Sector
Marketing, Charity, Entertainment, Community
Client focus
b2b

Funding history

2 recorded events

Company financing events and reported valuations.

Deal typeDateAmountValuationInvestorsSource
SERIES B✓Equity / VC May 2007 $13M $51M Cardinal Venture Capital —
SERIES A✓Equity / VC Oct 2006 $8.8M $35M Sevin Rosen Funds · ComVentures —
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Growth signals

Sonopia website traffic

Latest recorded traffic for Sonopia is 180 monthly website visits, down 48.6% over the last three months. Sonopia's team grew 0% over the past year.

Latest monthly visits180 3-month web change-48.6% 1-year team growth0%
Summary metrics are public; monthly history is available with a demoCompare with peers →

Investments and acquisitions

Capital deployed

Recent portfolio relationships for companies that also act as investors or acquirers.

Investors

3 investors on the cap table

From Dealroom's funding and investor records, grouped by the round each investor first entered.

Series A3 investors entered at this stage

  • Sevin Rosen Funds
  • ComVentures
  • Cardinal Venture Capital
Team profiled 25 named & role-tagged
Founders Hidden — book a demo/100 quality score
Key operators 1 quality Hidden — book a demo/100
Potential founders Hidden — book a demo likely future founders
Startup mafia Hidden — book a demo alumni-founded startups
Talent movements Hidden — book a demo in · Hidden — book a demo out past 12 months

Source: Dealroom Talent Intelligence.

Global footprint

Workforce and web traffic by country
Workforce by country
2 countries with
team presence
🇺🇸 United States50%
🇺🇦 Ukraine50%
2 countries shown

Market sentiment

Posts on X, past 7 days

An AI-synthesised read of the highest-engagement posts about Sonopia on X, ranked by likes and reposts, corporate channels excluded.

Reading the room on X — pulling top posts and synthesizing themes…

Source: X recent search ranked by engagement (likes + retweets) · Synthesis by Claude · Cached for 1 hour

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