O2 competitorsClear all

O2's top competitors include ClearSky Technologies, TeleTrust, Vopium and Sensys Networks.
O2
O2
O2 provides mobile and broadband services for individuals and businesses in the UK.
ClearSky Technologies
ClearSky Technologies
ClearSky Technologies provides hosted mobile data infrastructure and managed services to wireless operators.
TeleTrust
TeleTrust
TeleTrust is a telecommunications company that focuses on leveraging IPs in identity and data services.
Vopium
Vopium
Use Vopium on your mobile and SAVE up to 94% on global calls and SMS. Easy to use, with or w/out Wi-Fi connect, works on old school mobiles to smartphones.
Sensys Networks
Sensys Networks
Sensys Networks provides wireless traffic detection and integrated traffic data systems for transport agencies.
Founding Date
Founding Date
2001
Founding Date
1995
Founding Date
2010
Founding Date
2006
Founding Date
2003
Type
Type
Subsidiary
Type
Private
Type
Private
Type
Private
Type
Private
Tags
Locations
Locations
Slough, GB HQ
Peterborough, GB
Winchester, GB
Locations
Orlando, US HQ
Locations
Eatonville, US HQ
Locations
København, DK HQ
Sennengerbierg, LU
Lahore, PK
Locations
Berkeley, US HQ
Employees
Employees
6,088
Employees
23
Employees
3
Employees
49
Employees
572% increase
Twitter followers
Twitter followers
363.4 k
Twitter followers
N/A
Twitter followers
6
Twitter followers
2.5 k
Twitter followers
522
Alexa Website Rank
Alexa Website Rank
36208
Alexa Website Rank
N/A
Alexa Website Rank
N/A
Alexa Website Rank
255743
Alexa Website Rank
205745
Employee Rating
Employee Rating
4.1
Employee Rating
2.4
Employee Rating
N/A
Employee Rating
4
Employee Rating
3.9

Funding

Latest funding round
Latest funding round
N/A
Latest funding round
$ 12m (about 7 years ago)
Latest funding round
N/A
Latest funding round
N/A
Latest funding round
$ 450k (over 6 years ago)
Total funding raised
Total funding raised
N/A
Total funding raised
$ 12m
Total funding raised
N/A
Total funding raised
$ 23.1m
Total funding raised
$ 23.9m
For sources of this data, please see the company profile

View company profiles

ClearSky Technologies
HQ
Orlando, US
Employees
23

ClearSky Technologies provides hosted mobile data infrastructure and managed services to wireless operators.

View company
TeleTrust
HQ
Eatonville, US
Employees
3

TeleTrust is a telecommunications company that focuses on leveraging IPs in identity and data services.

View company
Vopium
HQ
København, DK
Employees
49

Use Vopium on your mobile and SAVE up to 94% on global calls and SMS. Easy to use, with or w/out Wi-Fi connect, works on old school mobiles to smartphones.

View company
Sensys Networks
HQ
Berkeley, US
Employees
57↑ 2% increase

Sensys Networks provides wireless traffic detection and integrated traffic data systems for transport agencies.

View company