How Much Did Onebox Raise? Funding & Key Investors

Date
October 1, 2026
Onebox

Total amount raised

$70 Million

Latest funding date

2/1/2000

Onebox

Location

Title

LINKEDIN

Onebox has successfully raised funding over two rounds, with the latest being a Series C round. The company is backed by four investors, including Meritech Capital Partners and Bowman Capital.

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What Is Onebox?

Onebox, founded in 1999, is a virtual phone system provider based in Glencoe, Illinois. The company operates in the telecommunications industry, offering a comprehensive suite of features such as auto-attendant, professional greetings, voicemail, online faxing, conferencing, and mobile apps.

With a small team of 1-10 employees, Onebox has been acquired by Ziff Davis. The platform is designed to help businesses manage their communications efficiently through a simple web interface, with no setup fees or long-term contracts.

How Much Funding Has Onebox Raised?

  1. Series B
    • Amount Raised: USD 20,000,000
    • Date: June 1999
    • Lead Investors: Brentwood Venture Capital, IVP
    • Valuation at Round: Not publicly disclosed
    • Motivation Behind the Round: To expand the company's market reach and enhance its product offerings.
  2. Series C
    • Amount Raised: USD 50,000,000
    • Date: February 2000
    • Lead Investors: Meritech Capital Partners
    • Valuation at Round: Not publicly disclosed
    • Motivation Behind the Round: To scale operations and accelerate growth in the telecommunications market.

Total Amount Raised: USD 70,000,000. Current Valuation: Not publicly disclosed.

Key Investors

  • Meritech Capital Partners
    • Details: Meritech Capital Partners is a leading venture capital firm that invests in high-growth technology companies. They were the lead investor in Onebox's Series C funding round.
    • Investment Focus Areas: Technology, healthcare, consumer services.
    • Notable Investments: Facebook, Salesforce, Tableau.
  • Brentwood Venture Capital
    • Details: Brentwood Venture Capital is a venture capital firm that focuses on early-stage investments. They were a key investor in Onebox's Series B funding round.
    • Investment Focus Areas: Technology, healthcare, media.
    • Notable Investments: Starbucks, Office Depot, Hotmail.
  • IVP (Institutional Venture Partners)
    • Details: IVP is a later-stage venture capital firm that invests in rapidly growing technology companies. They participated in Onebox's Series B funding round.
    • Investment Focus Areas: Technology, enterprise software, digital media.
    • Notable Investments: Twitter, Dropbox, Snap.

What's Next for Onebox?

Onebox stands at the cusp of significant growth opportunities in the telecommunications industry. With the increasing demand for virtual communication solutions, the company is well-positioned to expand its market reach and enhance its product offerings. Phone.com announced on February 17, 2000 that it would acquire Onebox.com in a stock deal valued at about USD 850 million. In 2004, j2 Global acquired the Onebox unified communications assets of Call Sciences, Ltd., and j2 Global is now Ziff Davis.

However, the path forward is not without challenges. The competitive landscape of the telecommunications sector requires continuous innovation and adaptation to evolving customer needs. Despite these hurdles, Onebox's strong foundation and strategic vision make it a promising player in the industry.

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