Newtag icon
Top Black Friday 2025 brands announced! What were the hottest products and categories?Download the report now 👉banner icon
O2

November 2025

O2 Market Share Analysis for November 2025

Telefonica UK Limited, trading as O2, is a British telecommunications services provider, headquartered in Reading, England which operates under the O2 brand. It is owned by VMED O2 UK Limited, a 50:50 joint venture between Telefónica and Liberty Global.
Year Founded1985
Employees> 10001
Annual Revenue> $1B
o2online.es
O2
O2 (including company regionals)
  • o2online.es
    o2online.es
See more website traffic and engagement information

O2 Revenue up to November 2025 is > 1B

revenue generated by O2 top domains

O2 top domains revenue over 3 years

Revenue for O2 top domains


Total visits to O2's top domains

Understand O2 market share and potential market reach.

Total visits last 3 months

Subsidiaries Breakdown

Avg. visit duration in O2's top domains

Analyze O2 engagement metrics.

Average visit duration last 3 months

Subsidiaries Breakdown

Avg. pageviews on O2's top domains

See how O2 keep users engaged, nurture their interest, and encourage them to take the next step.

Average page views last 3 months

Subsidiaries Breakdown

Want to gain deeper traffic insights?

Filter 20.3M+ online businesses. Discover new leads when their traffic spikes, when they start or stop using technologies, or when they get positive press.



Top technologies used by O2

These are the website technologies, by industry, used by O2 top domains

Advertising (7)

DoubleClick

DoubleClick

Social (6)

Google+ Platform

Google+ Platform

Conversion & Analytics (4)

Google Analytics

Google Analytics

Email Services (3)

G Suite

G Suite

More Technologies

8

See all

Ready to discover high quality prospects?

Identify what technologies a website uses to craft the perfect sales pitch, and shorten the sales cycle with the Similarweb Sales Intelligence Solution.