O2 (Telefónica UK)

o2.co.uk

England, United Kingdom

1001-5000 employees

LinkedIn Profile

About O2 (Telefónica UK)

telecoms, data network, roaming, fixed line, mobile landline, email, applications, mobile, information technology, apps, internet, information technology & services, it services & computer repair, local services, mobile phone accessories, mobile phone repair, mobile phones, shopping

O2 (Telefónica UK)'s Tech Stack

59 technologies detected · 1 decision maker · Emails available

Sales Outreach Angle

CRMs like Salesforce signal an active sales operation. Companies using Salesforce are strong targets for sales training, RevOps tools, data enrichment, and Salesforce integrations.

O2 (Telefónica UK)'s Position in the StackWho Database

• O2 (Telefónica UK) is 1 of 6,980 telecommunications companies tracked in StackWho.
• 6,918 telecommunications companies in our database have verified decision-maker emails (99% of the cohort).
• 47,721 companies in England are in the StackWho database.
• 272 telecommunications companies are in the 1001-5000 employee range (same size as O2 (Telefónica UK)).

Technology detection from public web signals. Decision-maker contacts compiled from LinkedIn public profiles, company filings, and verified outbound testing. Methodology & sources · Updated August 2026.

Frequently Asked Questions

What technology does O2 (Telefónica UK) use?

O2 (Telefónica UK) uses Microsoft Azure Hosting, Outlook, Eloqua, Microsoft Office 365, Bluekai, Brightroll, and 53 more technologies. This data is sourced from StackWho's technology detection engine.

How do I contact the decision makers at O2 (Telefónica UK)?

StackWho has verified email addresses for 1 decision maker at O2 (Telefónica UK). Pro members can access direct emails for the CEO, CTO, VP of Engineering, and other key contacts. Use StackWho to reach O2 (Telefónica UK) directly for sales, recruiting, or partnerships.

What industry is O2 (Telefónica UK) in?

O2 (Telefónica UK) operates in the telecommunications industry, headquartered in England, United Kingdom. StackWho tracks technology stacks and decision maker contacts for companies across all industries.

Can I export O2 (Telefónica UK)'s contact data?

Yes. StackWho Pro members can export decision maker contact data for O2 (Telefónica UK) and similar companies to CSV. Use the export feature to build targeted prospect lists segmented by technology stack, industry, or location.