CornerStone Telephone Overview

  • Year Founded
  • 2002

Year Founded

  • Status
  • Acquired/​Merged

  • Employees
  • 110


  • Latest Deal Type
  • Buyout/​LBO

  • Financing Rounds
  • 1

  • Investments
  • 3

CornerStone Telephone General Information


Provider of telecommunication services. The company offers voice and data communications, cloud computing, data center services, hosted internet protocol products and other customer services.

Contact Information

Ownership Status
Financing Status
Private Equity-Backed
Primary Industry
Telecommunications Service Providers
Other Industries
Other Communications and Networking
Corporate Office
  • 2 Third Street
  • Suite 303
  • Troy, NY 12180
  • United States

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CornerStone Telephone Valuation & Funding

Deal Type Date Amount Valuation/
Post-Val Status Debt

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CornerStone Telephone Comparisons

HQ Location
Total Raised
Post Valuation
Provider of telecommunication services. The company offers voice and data communications, cloud computing, data center s
Telecommunications Service Providers
Troy, NY
110 As of 2015


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000000000000 0000000
Binghamton, NY
000 As of 0000
000000000 00


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00000000 00000000000
Boise, ID
0000 As of 0000
00.00 0000-00-00
000000&0 00000
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CornerStone Telephone Competitors (11)

Company Name Financing Status Location Employees Total Raised Last Financing Date/Type Last Financing Amount
CXtec Private Equity-Backed Binghamton, NY 000 000000000 00
Cradlepoint Formerly VC-backed Boise, ID 0000 00000 000000&0 00000
Nuage Networks Formerly Angel backed Sunnyvale, CA 0 00000 00000000000 00000
8X8 Corporation Campbell, CA 0000 00000 000000000 00 00000
Bigleaf Networks Venture Capital-Backed Tigard, OR 00 000.00 00000000000 000.00
You’re viewing 5 of 11 competitors. Get the full list »

CornerStone Telephone Signals

Growth Rate

0.80% Weekly
Weekly Growth 0.80%, 93rd %
-35.5%. 530%

Size Multiple

219x Median
Size Multiple 219x, 100th %ile
0.00x 0.95x. 413Kx

Key Data Points

Twitter Followers


Similarweb Unique Visitors


Majestic Referring Domains


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CornerStone Telephone Acquisitions (3)

Company Name Deal Date Deal Type Deal Size Industry Lead Partner
ActiveHost 03-Feb-2011 0000000000 IT Consulting and Outsourcing 000 00000
Richmond Telephone 13-Feb-2009 0000000000 Telecommunications Service Providers 000 00000
Southern Tier Communications 01-Jan-2007 Merger/Acquisition Telecommunications Service Providers
To view CornerStone Telephone’s complete acquisitions history, request access »

CornerStone Telephone Exits (1)

Company Name Exit Date Exit Type Exit Size Status Buyers
Richmond Telephone 13-Feb-2009 000000000000000000 Completed
  • 00000000000 000000
To view CornerStone Telephone’s complete exits history, request access »

CornerStone Telephone FAQs

  • When was CornerStone Telephone founded?

    CornerStone Telephone was founded in 2002.

  • Who is the founder of CornerStone Telephone?

    Donald Walsh and Dan Yamin are the founders of CornerStone Telephone.

  • Where is CornerStone Telephone headquartered?

    CornerStone Telephone is headquartered in Troy, NY.

  • What is the size of CornerStone Telephone?

    CornerStone Telephone has 110 total employees.

  • What industry is CornerStone Telephone in?

    CornerStone Telephone’s primary industry is Telecommunications Service Providers.

  • Is CornerStone Telephone a private or public company?

    CornerStone Telephone is a Private company.

  • What is CornerStone Telephone’s current revenue?

    The current revenue for CornerStone Telephone is 000000.

  • Who are CornerStone Telephone’s competitors?

    CXtec, Cradlepoint, Nuage Networks, 8X8, and Bigleaf Networks are some of the 11 competitors of CornerStone Telephone.

  • When was CornerStone Telephone acquired?

    CornerStone Telephone was acquired on 04-Feb-2016.

  • Who acquired CornerStone Telephone?

    CornerStone Telephone was acquired by Magna5.

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