Insights

Strong Customer Recognition OnSIP has received multiple awards for customer service, including the 2025 Excellence in Customer Service and Best Customer Support badges in 2023. This indicates a company with a solid reputation for client satisfaction, making it an attractive partner for organizations seeking reliable and high-quality communication solutions.

Expanding Market Presence Participation as a premium sponsor at Odoo Connect 2025 highlights OnSIP's active engagement in industry events, offering opportunities to connect with potential clients and partners looking for innovative VoIP and communication services within diverse business ecosystems.

Growing Revenue Range With revenue estimated between $10 million and $25 million and a team of 51 to 200 employees, OnSIP presents a mid-market SaaS opportunity for businesses aiming to upgrade their communication infrastructure, especially those seeking scalable, cloud-based VoIP solutions.

Strategic Partnerships Collaborations with local service providers like PC Evolution emphasize OnSIP's openness to direct integrations and tailored service solutions, opening avenues to offer joint marketing and customized communication packages to small and mid-sized enterprises.

Technology and Innovation OnSIP’s adoption of modern tech stacks and tools alongside active social media engagement suggests a forward-thinking company well-positioned to address the digital transformation needs of businesses seeking reliable VoIP and unified communications platforms.

OnSIP Tech Stack

OnSIP uses 8 technology products and services including Google Fonts API, jQuery, Moment.js, and more. Explore OnSIP's tech stack below.

  • Google Fonts API
    Font Scripts
  • jQuery
    Javascript Libraries
  • Moment.js
    Javascript Libraries
  • Envoy
    Load Balancers
  • Ruby
    Programming Languages
  • Google Tag Manager
    Tag Management
  • Adobe Creative Suite
    Visualisation Software
  • Twitter
    Widgets

Media & News

OnSIP's Email Address Formats

OnSIP uses at least 1 format(s):
OnSIP Email FormatsExamplePercentage
First@onsip.comJohn@onsip.com
30%
First.Last@onsip.comJohn.Doe@onsip.com
20%
First@onsip.comJohn@onsip.com
30%
First.Last@onsip.comJohn.Doe@onsip.com
20%

Frequently Asked Questions

What is OnSIP's phone number?

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You can contact OnSIP's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

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

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OnSIP's official website is onsip.com and has social profiles on LinkedIn.

What is OnSIP's SIC code NAICS code?

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OnSIP's SIC code is 4813 - Telephone Communications, Except Radiotelephone NAICS code is 517 - Telecommunications.

How many employees does OnSIP have currently?

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As of December 2025, OnSIP has approximately 51 employees across 3 continents, including North AmericaAsiaEurope. Key team members include Vice President Channel Sales: H. K.Vice President Of Network Operations & Software Engineering: C. O.Vice President Of Product Management: C. M.. Explore OnSIP's employee directory with LeadIQ.

What industry does OnSIP belong to?

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OnSIP operates in the Telecommunications industry.

What technology does OnSIP use?

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OnSIP's tech stack includes Google Fonts APIjQueryMoment.jsEnvoyRubyGoogle Tag ManagerAdobe Creative SuiteTwitter.

What is OnSIP's email format?

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

When was OnSIP founded?

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OnSIP was founded in 2004.

OnSIP

TelecommunicationsNew York, United States51-200 Employees

Headquartered in Manhattan, OnSIP® delivers real-time communications services to over 100,000 businesses.  We aim to help businesses communicate faster and more efficiently. We have a great team of people who love what they do.

Section iconCompany Overview

Phone number
Website
onsip.com
SIC Code
4813 - Telephone Communications, Except Radiotelephone
NAICS Code
517 - Telecommunications
Founded
2004
Employees
51-200

Section iconFunding & Financials

  • $10M$25M

    OnSIP's revenue is estimated to be in the range of $10M$25M

Section iconFunding & Financials

  • $10M$25M

    OnSIP's revenue is estimated to be in the range of $10M$25M

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