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Discover Willis Towers Watson subsidiaries

Inside Willis Towers Watson’s global corporate setup

Explore how Willis Towers Watson is structured around the world. This page offers a clear view of Willis Towers Watson’s corporate network featuring 688 subsidiaries globally. Founded in 1828, this multinational company specializing in risk management, insurance brokerage, and consulting operates through a wide-reaching corporate framework. The ownership data is sourced from CompanyData.com’s verified corporate hierarchy database, covering over 380 million companies across the globe.

Worldwide spread of Willis Towers Watson’s subsidiaries

Willis Towers Watson owns 688 companies in 50 countries with 317 subsidiaries in the United States (46.1%), 91 in the United Kingdom (13.2%), and 48 in India (7%). These top three countries make up more than 66% of Willis Towers Watson’s global footprint, supporting its operations across insurance, consulting, and human resources services.

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  • Global ownership data

  • Download subsidiary lists

  • Structured hierarchies

  • Contact and email data

Top Subsidiaries and Companies Owned by Willis Towers Watson

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
Willis Towers Watson Insurance Services West, INC.
USA
Irvine
2010 Main St Ste 1050
N/A
Orange
92614
willistowerswatson.com
N/A
$0
5
688
N/A
*****@*****.***
94*****00
0230414263
2
Willis Of New Hampshire, INC.
USA
Tampa
4211 W Boy Scout Blvd Ste 1000
N/A
Hillsborough
33607
willistowerswatson.com
N/A
$0
1
688
N/A
********@****.***
81*****95
0116230603
3
Wtw Delaware Holdings LLC
USA
Arlington
800 N Glebe Rd Fl 10
N/A
Arlington
22203
willistowerswatson.com
2009
$583,431,616
16300
Corporation
688
5813777
*******@*****.***
70*****00
0944264843
4
Towers Watson Delaware Holdings LLC
USA
New York City
335 Madison Ave Fl 20
N/A
New York
10017
towerswatson.com
2018
$4,498,647
7700
Corporation
688
3138892
*****@********.***
21*****00
0114723438
5
Willis Re INC.
USA
New York City
200 Liberty St Fl 7
N/A
New York
10281
willistowerswatson.com
1956
$8,139,443
949
Corporation
688
N/A
*******@*******.***
63*****00
0915230211
6
Willis North America INC.
USA
Scottsdale
16220 N Scottsdale Rd Ste 600
N/A
Maricopa
85254
willistowerswatson.com
N/A
$0
750
688
00771827
**********@******.***
60*****00
0223590547
7
Liazon CORPORATION
USA
Buffalo
199 Scott St Ste 800
N/A
Erie
14204
wtwco.com
2007
$9,985,545
440
Corporation
688
208314151
************@*****.***
71*****00
01080241805
8
Willis Of Minnesota, INC.
USA
Minneapolis
1600 Utica Ave S Ste 600
N/A
Hennepin
55416
willis.com
1980
$4,824,249
433
Corporation
688
3T-26
*******@********.***
76*****00
0145392448
9
International Survey Research CORPORATION
USA
Chicago
303 E Ohio St Ste 2100
N/A
Cook
60611
N/A
2007
$1,594,708
250
Corporation
688
364190215
*******@***.***
31*****25
0185543612
10
Willis Of Michigan, INC.
USA
Farmington Hills
32255 Northwestern Hwy Ste 201 # 2
N/A
Oakland
48334
willis.com
1980
$2,484,287
184
Corporation
688
N/A
******@***.***
24*****00
0121981446
11
Willis North America INC.
USA
Lowell
1 Industrial Ave Ste 1100
N/A
Middlesex
01851
wtwco.com/en-us
N/A
$0
183
688
N/A
*******@*******.***
97*****75
0939657696
12
Willis Of New Jersey, INC.
USA
Short Hills
150 John F Kennedy Pkwy
N/A
Essex
07078
willistowerswatson.com
2008
$10,099,876
183
Corporation
688
100197953
*********@***.***
97*****23
0188661081
13
Willis North America INC.
USA
Tampa
3030 N Rocky Point Dr W
N/A
Hillsborough
33607
N/A
N/A
$0
183
688
N/A
************@***.***
81*****00
0972606777
14
Willis Us Holding Company, LLC
USA
Nashville
26 Century Blvd
N/A
Davidson
37214
willistowerswatson.com
2008
$1,067,944
150
Corporation
688
4604286
***********@****.***
61*****00
0190194470
15
Willis Of Maryland INC
USA
Potomac
12505 Park Potomac Ave Fl 7
N/A
Montgomery
20854
willis.com
1953
$6,426,250
100
Corporation
688
N/A
*****@***.***
30*****00
0183746250
16
Hilb Rogal & Hobbs Insurance Services, INC.
USA
San Francisco
525 Market St Ste 3400
N/A
San Francisco
94105
willis.com
2008
$2,562,949
58
Corporation
688
N/A
*********@********.***
21*****84
0189900035
17
Towers Watson Pennsylvania INC.
USA
Pittsburgh
600 Grant St Ste 4900
N/A
Allegheny
15219
towersperrin.com
N/A
$0
32
688
N/A
*******@******.***
0208242589
18
Willis North America INC.
USA
Melville
200 Broadhollow Rd Ste 406
N/A
Suffolk
11747
ltcamerica.com
N/A
$0
32
688
N/A
*****@***.***
63*****39
0122159941
19
Towers Watson Pennsylvania INC.
USA
San Diego
12707 High Bluff Dr Ste 200
N/A
San Diego
92130
socalmentalwellness.com
N/A
$0
30
688
N/A
*********@********.***
85*****00
0120235157
20
Towers Watson Pennsylvania INC.
USA
Saint Louis
7733 Forsyth Blvd Ste 1350
N/A
St. Louis City
63105
willistowerswatson.com
N/A
$0
22
688
N/A
**********@*****.***
31*****00
0902702294
21
Towers Perrin Risk Capital INC
USA
New York City
335 Madison Ave
N/A
New York
10017
towerswatson.com
2006
$1,543,328
21
Corporation
688
134152873
**********@*****.***
21*****55
0127216454
22
Willis Corroon Health Care Concepts
USA
Nashville
26 Century Blvd Ste 101
N/A
Davidson
37214
willistowerswatson.com
1994
$3,524,748
21
Corporation
688
N/A
******@***.***
61*****00
0899429248
23
Towers Watson Pennsylvania INC.
USA
Seattle
600 University St Ste 3100
N/A
King
98101
towerswatson.com
N/A
$0
20
688
N/A
*********@******.***
20*****00
0150623954
24
Liazon CORPORATION
USA
Arlington
800 N Glebe Rd
N/A
Arlington
22203
N/A
N/A
$0
20
688
N/A
*********@********.***
70*****46
0192409637
25
Willis Administrative Services CORPORATION
USA
Waco
510 N Valley Mills Dr Ste 504
N/A
Mclennan
76710
N/A
N/A
$0
20
688
N/A
*******@*****.***
0917029277
26
Towers Watson Pennsylvania INC.
USA
Minneapolis
8400 Normandale Lake Blvd Ste 1700
N/A
Hennepin
55437
willistowerswatson.com
N/A
$0
20
688
N/A
************@********.***
95*****00
0205018677

Companies by Employee Size

  • 0 or Unknown 174
  • 1 to 100 439
  • 101 to 499 61
  • 500 to 999 8
  • 1.000 to 4.999 4
  • 5.000 to 9.999 1
  • 10.000 to 49.999 1

Companies by Revenue Size (in USD)

  • 0 or Unknown 459
  • 1 to 100.000 6
  • 100.001 to 499.999 30
  • 500.000 to 999.999 27
  • 1.000.000 to 4.999.999 66
  • 5.000.000 to 9.999.999 22
  • 10.000.000 to 49.999.999 47
  • 50.000.000 to 99.999.999 8
  • 100.000.000 to 499.999.999 12
  • 500.000.000 to 999.999.999 5
  • 1.000.000.000 or more 6
Download Data

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Explore Willis Towers Watson’s Corporate Structure

Willis Towers Watson’s corporate network is part of over 41 million company hierarchies mapped in our company ownership database. It shows how Willis Towers Watson organizes its subsidiaries and affiliates globally across more than 60 countries and territories. Discover the full structure with verified data and request your tailored sample today.

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Willis Towers Watson Company Facts

Where is Willis Towers Watson headquartered?

In New York, United States.

How many subsidiaries does Willis Towers Watson have?

Approximately 688 subsidiaries in 55 countries.

Who owns Willis Towers Watson?

Willis Towers Watson is publicly traded; no single majority owner.

Is Willis Towers Watson a US company?

Yes, the company is incorporated in the USA (company no. 01096148652).

How many people work for Willis Towers Watson?

Willis Towers Watson employs tens of thousands of people globally.

Corporate family tree

Why Ownership Structure Data Matters

Knowing who owns a company helps to understand its connections and operations. Our corporate hierarchy data allows you to follow the links between parent companies, subsidiaries, and shareholders. This shows control, organization, and risk in any global group. Whether assessing Willis Towers Watson or another multinational, this insight supports compliance checks, market research, and better CRM data management. With verified ownership records for over 380 million companies worldwide, CompanyData.com gives a clear picture of corporate ownership across industries and countries.

How We Map Global, National, and Local Headquarters

At CompanyData.com, each company profile—such as Willis Towers Watson—is structured using three levels: Global, National, and Local headquarters. This framework shows how each entity fits into the larger corporate family.

Three levels we use

  • Global Headquarter — Willis Towers Watson plc acts as the global headquarter, overseeing all subsidiaries worldwide and directing the group’s overall strategy and governance.
  • National Headquarters — Country-level entities manage local operations and report to the global parent. Examples include Willis Towers Watson USA Inc., Willis Towers Watson Canada Ltd., and Willis Towers Watson UK Limited.
  • Local Headquarters — These regional offices manage branches, client services, and business units within specific markets, ensuring compliance and local brand consistency.

Each entity is assigned a unique ID so you can connect subsidiaries to their parent companies, track ownership and integrate this data within your own systems.

How control is shown

Control is determined through ownership stakes. We consider companies as controlled subsidiaries when ownership exceeds 50%. This focus on majority-held subsidiaries clearly shows corporate hierarchies. The same method applies for Willis Towers Watson and other multi-country groups.

Why this matters

This model clarifies who truly controls the Willis Towers Watson group, supports compliance and risk management, and aids in mergers and acquisitions analysis. By mapping entities with verified ownership, CompanyData.com helps you confidently understand Willis Towers Watson’s structure. With more than 41 million companies linked across 200 countries and jurisdictions, our platform brings transparency to complex multinational corporate networks.

 

Willis Towers Watson

Who This Solution Is For

CompanyData.com offers verified data on the global corporate structure of Willis Towers Watson, helping businesses understand its ownership and subsidiaries worldwide. This resource supports CRM enhancement, compliance checks, and market insights. Free data samples are available; bigger data sets (for example, up to 1,000 companies) are provided to qualified corporate users with a clear business purpose and an active company website. For contact or lead lists, please visit our Company Data Platform.

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Willis Towers Watson global ownership and subsidiaries – FAQs

You can access Willis Towers Watson company data through API, bulk files, or the Bold Platform. We create custom datasets based on your target countries, industries, and company profiles. After you share your criteria, our experts prepare a tailored dataset and send 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 Willis Towers Watson company data varies based on your chosen details and delivery method. Whether you need a list of subsidiaries or a full dataset via 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 transparent pricing and a free sample of 10 company contacts. At CompanyData.com, you only pay for the verified global data you need.

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At CompanyData.com, you can access detailed, verified data on Willis Towers Watson plc and all its subsidiaries, updated daily. This includes company names, registration details, locations, industry classifications, financial indicators, and key contacts. Willis Towers Watson has a global footprint with a total of 688 subsidiaries across multiple countries, including 317 in the US, 91 in the UK, 48 in India, and several others throughout Europe, Asia, and the Americas. You can download the data via the Bold Platform, API, or bulk file delivery. Our database offers 100% worldwide company coverage, ensuring complete and accurate insights.

At CompanyData.com, our data comes from verified global business sources to ensure accuracy and full coverage. We combine official registers, financial filings, LEI records, trusted partners, and verified company websites. All data is cross-checked and validated by our experts, ensuring it’s accurate, up-to-date, and GDPR-compliant.

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