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List of BT Group subsidiaries

Verified insights into BT Group’s global corporate structure and subsidiaries.

BT Group plc is a leading multinational telecommunications company headquartered in London, United Kingdom. Established in 1846, BT Group operates an extensive global corporate structure with 1,101 subsidiaries worldwide. This ownership information is part of CompanyData.com’s verified corporate hierarchy database, covering over 380 million companies worldwide.

Geographic distribution of BT Group’s subsidiaries

BT Group has subsidiaries in 59 countries, with 745 in the United Kingdom (67.6%), 68 in the United States (6.2%), and 61 in India (5.5%). These three countries make up nearly 80% of BT Group’s global network, supporting its telecom and technology services across multiple markets.

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  • Global ownership data

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  • Structured hierarchies

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Top Subsidiaries and Companies Owned by BT Group

Company Name Country City Address 1 Address 2 State/Province Postal Code Website Founding Year Yearly Revenue in U.S. Dollars Employees Total Business Legal Type - Description Number of Companies in Group Company Registration Number Email Phone Number UniqueID
1
Infonet Services CORPORATION
USA
El Segundo
2160 E Grand Ave
N/A
Los Angeles
90245
bt-infonet.net
2005
$26,413,595
1085
Corporation
1101
399503
************@*******.***
31*****00
0304537034
2
Bt Conferencing Video INC.
USA
Westminster
11400 Lamar St, 2nd Flr
N/A
Adams
80021
N/A
2008
$2,607,328
204
Corporation
1101
2487600
********@******.***
30*****00
01043765655
3
Bt Americas INC.
USA
Newport
910 Hastings Ave # 120
N/A
Washington
55055
N/A
N/A
$0
154
1101
N/A
*****@*****.***
65*****58
01072742537
4
Bt Americas INC.
USA
Colorado Springs
1975 Research Pkwy Ste 120
N/A
El Paso
80920
firstam.com
N/A
$0
60
1101
N/A
*********@******.***
71*****30
0170483648
5
Bt Conferencing, INC.
USA
Cincinnati
35 E 7th St Ste 300
N/A
Hamilton
45202
btconferencing.com
N/A
$0
47
1101
N/A
************@*******.***
0298297332
6
Bt Federal INC.
USA
Reston
11440 Commerce Park Dr Ste 100
N/A
Fairfax County
20191
globalservices.bt.com
2006
$9,997,081
30
Corporation
1101
N/A
***********@****.***
70*****40
0209296811
7
Yingdian Information System (beijing) CO., LTD. Shenzhen Branch
China
Shenzhen
1502-1503, Floor 15, Xizuo, Zhonghang Center, No.1018, Huafu Roa
N/A
Guangdong
518000
N/A
2022
$1,277,334
29
Corporation
1106
440300280468086
********@******.***
0746132184
8
Bt Conferencing, INC.
USA
Irvine
3500 Barranca Pkwy
N/A
Orange
92606
N/A
N/A
$0
10
1101
N/A
***********@***.***
0995702904
9
Infonet Services CORPORATION
USA
Gardena
626 W 168th Pl
N/A
Los Angeles
90247
infonet.com
N/A
$0
6
1101
N/A
*********@*****.***
0473830420
10
Bt Conferencing Video INC.
USA
Denver
No Physical Ddress
N/A
Denver
80201
N/A
N/A
$0
1
1101
N/A
************@*****.***
0282316544
11
Bt Global Communications India Private LIMITED
India
Chennai
1 - A, 1st Floor Eldorado
112 Nungambakkam High Road
Tamil Nadu
600034
N/A
2006
$0
0
1101
N/A
*******@*****.***
0836187664
12
Bt E-Serv (india) Private LIMITED
India
Bengaluru
Iind Floor, 12th Block, Pritech Park Sez
Bellendur Village, Varthur Hobli
Karnataka
560103
N/A
N/A
$0
0
1101
29AADCB2533M1ZJ
******@*****.***
08*****11
0988120214
13
Bt E-Serv (india) Private LIMITED
India
Bengaluru
1st Floor, Campus, 5b, Rmz Ecoworld, Sar
N/A
Karnataka
560010
N/A
2016
$0
0
1101
N/A
******@********.***
0983452313
14
Bt Global Communications India Private LIMITED
India
New Delhi
11th Floor Eros Corporate Tower
Nehru Place
Delhi
110019
N/A
2011
$0
0
1101
07AAACG1534A2ZC
*****@****.***
01*****00
0975633867
15
British Telecommunications Public LIMITED Company
Unitedkingdom
Whitechapel
1 Braham Street
N/A
London
E1 8EE
bt.com/about/bt/our-company/group-businesses/digital
1984
$26,393,701,467
97400
Corporation
1101
01800000
***********@*******.***
02*****00
0338126827
16
Bt Group PLC
Unitedkingdom
Whitechapel
1 Braham Street
N/A
London
E1 8EE
bt.com/about/bt/our-company/group-businesses/digital
1846
$26,393,701,467
97400
Corporation
1101
04190816
*********@***.***
02*****00
0332835825
17
Openreach LIMITED
Unitedkingdom
City of London
6 Gracechurch Street
N/A
London
EC3V 0AT
openreach.co.uk
2017
$2,478,873,293
31847
Corporation
1101
10690039
************@****.***
08*****23
0333968865
18
Ee (group) LIMITED
Unitedkingdom
Whitechapel
1 Braham Street
N/A
London
E1 8EE
N/A
1989
$0
2090
Corporation
1101
02439104
********@********.***
01*****00
0615676148
19
Plusnet PLC
Unitedkingdom
Hackenthorpe
Endeavor
1a Concourse Way
Sheffield, South Yorkshire
S1 2BJ
N/A
1996
$509,980,833
1077
Corporation
1101
03279013
********@********.***
03*****23
0490822884
20
Bt Group Investments LIMITED
Unitedkingdom
Whitechapel
1 Braham Street
N/A
London
E1 8EE
bt.com/about/bt/our-company/group-businesses/digital
1984
$1,078,744,350
239
Corporation
1101
04278695
**********@***.***
02*****00
0333718120
21
Bt Global Services LIMITED
Unitedkingdom
Whitechapel
1 Braham Street
N/A
London
E1 8EE
bt.com/about/bt/our-company/group-businesses/digital
1989
$111,651,309
189
Corporation
1101
02410810
*********@***.***
02*****00
0615249482
22
Communications Global Network Services LIMITED
Unitedkingdom
Moorgate
81 Newgate Street
N/A
London
EC1A 7AJ
N/A
2001
$120,373,000
177
Foreign company
1101
FC023617
******@********.***
0344044680
23
Bt Holdings LIMITED
Unitedkingdom
Whitechapel
1 Braham Street
N/A
London
E1 8EE
bt.com/about/bt/our-company/group-businesses/digital
1988
$142,414,560
161
Corporation
1101
02216773
********@********.***
02*****00
0509288580
24
Extraclick LIMITED
Unitedkingdom
Whitechapel
1 Braham Street
N/A
London
E1 8EE
N/A
2002
$24,600,323
135
Corporation
1101
04552808
******@******.***
0843901753
25
Bt Fifty-One
Unitedkingdom
Whitechapel
1 Braham Street
N/A
London
E1 8EE
bt.com
1998
$74,557,812
87
Corporation
1101
03621755
******@******.***
08*****50
0347357006
26
Global Security Europe LIMITED
Unitedkingdom
Whitechapel
1 Braham Street
N/A
London
E1 8EE
N/A
2019
$10,278,700
83
Corporation
1101
12290726
**********@*****.***
0336579201

Companies by Employee Size

  • 0 or Unknown 864
  • 1 to 100 201
  • 101 to 499 22
  • 500 to 999 8
  • 1.000 to 4.999 4
  • 10.000 to 49.999 2

Companies by Revenue Size (in USD)

  • 0 or Unknown 861
  • 1 to 100.000 5
  • 100.001 to 499.999 34
  • 500.000 to 999.999 26
  • 1.000.000 to 4.999.999 34
  • 5.000.000 to 9.999.999 22
  • 10.000.000 to 49.999.999 28
  • 50.000.000 to 99.999.999 7
  • 100.000.000 to 499.999.999 19
  • 500.000.000 to 999.999.999 59
  • 1.000.000.000 or more 6
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Explore BT Group's Global Corporate Structure

BT Group’s ownership network is part of more than 41 million corporate hierarchies available in our company ownership database. This network shows how BT Group is connected to its subsidiaries with verified data from groups operating in over 70 countries and jurisdictions. Discover the details of BT Group’s global reach and request a free tailored sample.

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BT Group Company Facts

Where is BT Group headquartered?

In London, United Kingdom.

How many subsidiaries does BT Group have?

BT Group owns about 1,101 companies across 66 countries.

Who owns BT Group?

BT Group is publicly listed with shares traded on the London Stock Exchange.

Is BT Group a UK company?

Yes, BT Group plc is incorporated in the United Kingdom.

How many people work for BT Group?

BT Group employs approximately 100,000 people globally.

Corporate family tree

Understanding BT Group’s Ownership and Subsidiary Structure

Knowing who owns which part of a company is important to understand how it works globally. Our corporate hierarchy data shows the links between parent companies and their subsidiaries, making it easier to see control, structure, and risks in any corporate group. For multinational firms like BT Group, this data is useful for compliance, market research, and data management. CompanyData.com offers verified ownership records on over 380 million companies worldwide, giving a clear picture of company relationships across borders and sectors.

How BT Group’s Global and Local Headquarters Are Organized

CompanyData.com classifies companies using a three-level system: Global headquarters, National headquarters, and Local headquarters. This shows how a company’s different parts connect to each other.

Our three-level structure

  • Global Headquarter — BT Group’s main global headquarter is in London, United Kingdom, acting as the top company in its worldwide network.
  • National Headquarters — These manage operations at the country level. Examples for BT include BT USA and BT Singapore subsidiaries.
  • Local Headquarters — These operate regional offices or divisions, often managing local customer service centers, infrastructure, or sales hubs.

Every company entity has its own unique ID to link it to others, making the ownership structure clear and easy to analyze.

How control is identified

Control depends on ownership stake. If a company owns over 50% of another, it’s a controlled subsidiary. Our data focuses on these majority-owned companies to clearly show how global groups like BT are made up.

Why this is helpful

This view reveals who really makes decisions in BT Group, helps with compliance checks, and supports risk or market analysis. CompanyData.com has data on millions of companies in over 200 countries, giving teams a clear view of BT’s global corporate setup.

 

BT Group

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BT Group ownership & subsidiary data – FAQs

You can access BT Group company data through API, bulk files, or the Bold Platform. We create custom datasets based on your selected countries, industries, and company profiles. After you provide your criteria, our experts prepare a tailored dataset and send you a free quote with record counts and sample data within 24 hours. Once approved, we deliver your data quickly in your preferred format — via Excel, API, bulk file, or directly in the Bold Platform.

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The price of our BT Group company data depends on your required details and delivery method. Whether you need a list of subsidiaries or a complete dataset through API or bulk files, we offer flexible pricing to suit your needs. You can request a free quote and record count within 24 hours — our team will provide clear pricing and a free sample of 10 company contacts. With CompanyData.com, you only pay for the verified global data you require.

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At CompanyData.com, you can access detailed, verified data on BT Group plc and all its subsidiaries, updated daily. The data includes company names, registration details, locations, industry classifications, financial figures including the total revenue of $28.84 billion, and key contacts. Download data via the Bold Platform, API, or bulk file delivery. Our database offers 100% worldwide company coverage, ensuring full and accurate insights.

Our BT Group data comes from verified global business sources to ensure accuracy and completeness. We combine official registers, financial filings, LEI records, trusted partners, and verified company websites. All information is cross-checked and validated by experts to guarantee it is accurate, up-to-date, and GDPR-compliant.

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