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.

Computers Electronics and Technology > Telecommunications

Domaino2.cz

Year Founded1985

Employees> 10001

Annual Revenue> $1B

O2

Showing O2's traffic and engagement information for its main website (including company regionals)

o2.cz
o2its.cz
corpus.cz

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

o2.cz> 1B

o2its.cz10M - 15M

corpus.cz10M - 15M

See more with Sales Intelligence

Total visits to O2's top domains

Understand O2 market share and potential market reach.

Total visits last 3 months

Subsidiaries Breakdown

o2.cz3.8M

o2its.cz6K

corpus.cz2K

See more with Sales Intelligence

Avg. visit duration in O2's top domains

Analyze O2 engagement metrics.

Average visit duration last 3 months

Subsidiaries Breakdown

o2.cz00:02:37

o2its.cz00:12:09

corpus.cz00:00:32

See more with Sales Intelligence

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

o2.cz4.02

o2its.cz17.14

corpus.cz2.42

See more with Sales Intelligence

O2 top competitors by domain

Top similar sites in November 2025, ranked by their affinity

t-mobile.czCompany NameT-MobileEmployees> 10001HQUnited States, Washington, BellevueAnnual revenue> $1BTotal visits3.1MComputers Electronics and Technology > Telecommunications

Top technologies used by O2

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

Payment & Currencies (23)

Cart Functionality

Advertising (17)

DoubleClick

Conversion & Analytics (12)

Google Analytics

Social (11)

Google+ Platform

More Technologies

10

See all

News & Signals from O2

With Similarweb Sales signals alerts, you’ll receive daily updates of recognized buying signals whenever new opportunities or threats arise in your target audience.

NewsO2 CZ launches free 1 GB data allowance valid.O2 has introduced a free 1 GB data allowance valid for the first 24 hours in more than 90 non-EU countries for customers on contract tariffs.

NewsO2 CZ launched Allot DNS Secure on Jan 9th '25.Hod Hasharon, Israel, Jan. 09, 2025 (GLOBE NEWSWIRE) - Allot Ltd. (NASDAQ: ALLT) (TASE: ALLT), a leading global provider of innovative network intelligence and converged network-native security solutions for communication service providers and enterprises, today announced that O2 Czech Republic, a subsidiary of the PPF Group, has launched Allot DNS Secure, enabling them to continue offering and enhance cybersecurity protection services to both their mobile and fixed broadband consumer customers.