Insights

Strategic position Plaxo sits at the intersection of consumer web, identity, and social data as part of Comcast’s STG with an entrepreneurial culture. This suggests opportunity for partnerships or pilots that leverage a combined address book, identity, and social features, particularly for Comcast audiences and services.

Enterprise integration With a history of integration with Microsoft Outlook and hosting large address book datasets for Plaxo and Xfinity Connect, there is a clear track record and capability for enterprise-grade integrations. This points to potential sales opportunities around CRM, email, or contact-management workflows for mid-market and enterprise customers.

Pulse expansion The recent Pulse launches indicate a pivot toward social networking features embedded in contact management. This creates upsell potential for social engagement tools, cross-platform collaboration, and data enrichment services aligned with user-centric contact experiences.

Scale and footprint Serving over 50 million address book accounts and backed by Comcast, Plaxo demonstrates both scale and stability. Sales conversations can emphasize reliability, security, and large-user deployments to enterprises seeking resilient contact-management solutions.

Financial and growth signals With revenue in the mid-range and prior acquisition by Comcast, there is a credibility signal for potential co-sponsored initiatives, joint ventures, or channel partnerships targeting media, entertainment, and service providers seeking enhanced contact and identity capabilities.

Similar companies to Plaxo

Plaxo Tech Stack

Plaxo uses 5 technology products and services including Google Fonts API, yepnope.js, jQuery, and more. Explore Plaxo's tech stack below.

  • Google Fonts API
    Font Scripts
  • yepnope.js
    Javascript Frameworks
  • jQuery
    Javascript Libraries
  • Modernizr
    Javascript Libraries
  • Google Analytics
    Web Analytics

Plaxo's Email Address Formats

Plaxo uses at least 4 email formats:
Plaxo Email FormatsExamplePercentage
First@plaxo.comJohn@plaxo.com
71%
FirstLast@plaxo.comJohnDoe@plaxo.com
17%
FLast@plaxo.comJDoe@plaxo.com
7%
First.Last@plaxo.comJohn.Doe@plaxo.com
5%

Frequently Asked Questions

What is Plaxo's official website and social media links?

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Plaxo's official website is plaxo.com and has social profiles on LinkedIn and Crunchbase.

How much revenue does Plaxo generate?

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As of August 2026, Plaxo's annual revenue is estimated to be $25M - $50M.

What is Plaxo's NAICS code?

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Plaxo's NAICS code is 5415 - Computer Systems Design and Related Services.

How many employees does Plaxo have currently?

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As of August 2026, Plaxo has approximately 19 employees across 5 continents, including North America, South America and Asia. Key team members include President: D. F., Owner: M. T. and Vice President: M. M. Explore Plaxo's employee directory with LeadIQ.

What industry does Plaxo belong to?

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Plaxo operates in the Technology, Information and Internet industry.

What technology does Plaxo use?

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Plaxo's tech stack includes Google Fonts API, yepnope.js, jQuery, Modernizr and Google Analytics.

What is Plaxo's email format?

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Plaxo's email format typically follows the pattern of First@plaxo.com. Find more Plaxo email formats with LeadIQ.

How much funding has Plaxo raised to date?

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As of August 2026, Plaxo has raised $28M in funding. The last funding round occurred on Jan 01, 2008.

When was Plaxo founded?

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Plaxo was founded in 2002.
Plaxo logo

Plaxo

Technology, Information and InternetCalifornia, United States11-50 Employees

Plaxo is a technology company with roots in the consumer Web space since 2002, known for developing a smart address book. It hosts more than 50 million address book accounts for Plaxo.com and Comcast’s Xfinity Connect experience. Since its acquisition by Comcast in 2008, Plaxo operates as several distinct business units in Silicon Valley, including Plaxo itself, the Social Technologies Group, and Tunerfish. 

The organization sits in the technology, information and Internet sector, with offerings that intersect contact management, identity, and social strategies. It is based in Sunnyvale, California, and has a small to mid-sized workforce. In 2023, Plaxo launched Pulse, a social networking service.

Section iconCompany Overview

Website
plaxo.com
NAICS Code
5415 - Computer Systems Design and Related Services
Founded
2002
Employees
11-50

Section iconFunding & Financials

  • $28M

    Plaxo has raised a total of $28M of funding over 5 rounds. Their latest funding round was raised on Jan 01, 2008 as a Venture Round.

  • $25M - $50M

    Plaxo's revenue is estimated to be in the range of $25M - $50M

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