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Gathering insights about O2

Similar companies to O2

O2 Tech Stack

O2 uses 8 technology products and services including Wix, Webpack, RequireJS, and more. Explore O2's tech stack below.

  • Wix
    Content Management System
  • Webpack
    Development
  • RequireJS
    Javascript Frameworks
  • React
    Javascript Frameworks
  • Polyfill
    Javascript Libraries
  • Zepto
    Javascript Libraries
  • PHP
    Programming Languages
  • Google Analytics
    Web Analytics

Media & News

O2's Email Address Formats

O2 uses at least 1 format(s):
O2 Email FormatsExamplePercentage
First.Last@celfone.uk.comJohn.Doe@celfone.uk.com
48%
First@celfone.uk.comJohn@celfone.uk.com
2%
FirstLast@celfone.uk.comJohnDoe@celfone.uk.com
2%
First.Last@celfone.uk.comJohn.Doe@celfone.uk.com
48%

Frequently Asked Questions

What is O2's stock symbol?

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O2 is a publicly traded company; the company's stock symbol is OIIM.

What is O2's official website and social media links?

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O2's official website is celfone.uk.com and has social profiles on LinkedIn.

What is O2's SIC code NAICS code?

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O2's SIC code is 7299 - Miscellaneous Personal Services, Not Elsewhere Classified NAICS code is 517 - Telecommunications.

How many employees does O2 have currently?

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As of December 2025, O2 has approximately 425 employees across 3 continents, including EuropeAsiaNorth America. Key team members include Hr Consultant & Recruitment Partner: A. C.Managing Director: M. S.Senior Oracle Pl/Sql Developer: V. Š.. Explore O2's employee directory with LeadIQ.

What industry does O2 belong to?

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O2 operates in the Telecommunications industry.

What technology does O2 use?

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O2's tech stack includes WixWebpackRequireJSReactPolyfillZeptoPHPGoogle Analytics.

What is O2's email format?

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O2's email format typically follows the pattern of First.Last@celfone.uk.com. Find more O2 email formats with LeadIQ.

When was O2 founded?

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O2 was founded in 2007.

O2

TelecommunicationsEngland, United Kingdom201-500 Employees

Celfone Trading is an award-winning O2 franchise partner.

Established in 2007, Celfone Trading has grew from a single unit to multiple as well as built both Customer Relations and Business Relations Teams. 
Our Business Relations Team is positioned to offer bespoke, personal and competitive packages to support enterprises of all sizes. We tailor our handset and airtime tariffs around your needs with the flexibility to grow with you delivering a full end-to-end experience. 

Celfone Trading has received Silver Investors in People accreditation.

Section iconCompany Overview

SIC Code
7299 - Miscellaneous Personal Services, Not Elsewhere Classified
Stock Symbol
OIIM
NAICS Code
517 - Telecommunications
Founded
2007
Employees
201-500

Section iconFunding & Financials

  • $10M$25M

    O2's revenue is estimated to be in the range of $10M$25M

Section iconFunding & Financials

  • $10M$25M

    O2's revenue is estimated to be in the range of $10M$25M

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