What departments does ISG have?

ISG has employees across 10 departments including Entrepreneurship, Recruiting, Human Resources, Marketing, Finance.

What is the largest department at ISG?

The largest department at ISG is Human Resources with 5 employees.

Where are ISG employees located globally?

ISG has employees across 7 continents and 70 countries including Tunisia, Egypt, South Africa, Morocco, Algeria.

How has ISG's team size changed over time?

ISG's team has decreased from approximately 4.5K to 1.1K employees based on available data.

ISG Employee Directory

Q: Who are ISG's key employees and leadership?

ISG's key employees include: Executive Assistant To The Chairman And Chief Executive Officer: D. W., Ceo: D. W., Cfo: S. B., Chief Human Resources Officer: J. F., Chief Marketing Officer: R. H.

ConstructionEngland, United Kingdom1001-5000 Employees

ISG is a construction services company based in London, United Kingdom, with a headquarters at 33 Aldgate High Street, London EC3N 1AG. The business operates in the construction industry and reports a global workforce of 2,800 specialists, with a stated employee range of 1,001 to 5,000. ISG focuses on delivering spaces and places that support the daily operations of people and businesses, combining established delivery methods with an agile, fast-paced culture. The company has grown through acquisitions, including the 2007 purchase of Kent-based Cathedral Contracts Ltd for £11.8 million, expanding its retail fit-out capabilities. In 2024, ISG was awarded the Best of BREEAM 2024 Award for Refurbishment & Fit Out for the Northcliffe House refurbishment.

ISG Global Highlights

Europe
2K

United Kingdom Of Great Britain And Northern Ireland
1.8K
Spain
32
France
29
Germany
26
Netherlands
14
Finland
13
Switzerland
12
Italy
11
Portugal
8
Belgium
7
Ukraine
5
Austria
5
Ireland
4
Poland
2
Serbia
1
Monaco
1
Azerbaijan
1
Latvia
1
Greece
1
Sweden
1
Estonia
1
Slovakia
1

North America
388

United States Of America
370
Canada
10
Mexico
3
Panama
2
Honduras
1
Jamaica
1
Dominican Republic
1

Asia
282

India
80
Malaysia
39
Singapore
33
Turkey
33
United Arab Emirates
21
China
17
Saudi Arabia
14
Russian Federation
11
Qatar
7
Philippines
6
Pakistan
4
Indonesia
3
Oman
3
Thailand
3
Kazakhstan
2
Japan
2
Iran
1
Bangladesh
1
Kuwait
1
Jordan
1

Africa
94

Tunisia
40
Algeria
21
Egypt
12
South Africa
9
Nigeria
5
Morocco
1
Guinea-bissau
1
Cameroon
1
Côte D'ivoire
1
Togo
1
Senegal
1
Gabon
1

South America
13

Brazil
7
Argentina
3
Peru
2
Chile
1

Oceania
9

Australia
9

ISG's Leadership

D. W.
Ceo
Mobile Phone
Email
S. B.
Cfo
Mobile Phone
Email
J. F.
Chief Human Resources Officer
Mobile Phone
Email
R. H.
Chief Marketing Officer
Mobile Phone
Email
T. R.
Chief Financial Officer
Mobile Phone
Email
C. B.
Vice President Saugatuck Technology
Mobile Phone
Email
R. V.
President
Mobile Phone
Email
T. S.
President
Mobile Phone
Email

ISG Employee Metrics

100%

50%

0%

2026

2025

Program & Project Management
Civil Engineering & Construction
Arts & Design
Engineering
Administrative
Other
Accounting

Contact profiles from ISG

Name

Title

Contact

Location

Last Update

J. B.
Senior Vice President
Mobile Phone
Email
Oct 22, 2024
R. W.
Head Of Sustainability
Mobile Phone
Email
UNITED KINGDOM, London
Mar 04, 2024
S. S.
Senior Vice President
Mobile Phone
Email
Oct 17, 2024
S. H.
Head Of Digital
Mobile Phone
Email
UNITED KINGDOM, London
Nov 27, 2024
A. H.
Head Of Human Resources
Mobile Phone
Email
United Kingdom, England
Aug 31, 2026
D. N.
Project Director
Mobile Phone
Email
United Kingdom, England
May 30, 2026
M. S.
Project Director
Mobile Phone
Email
United Arab Emirates
Mar 25, 2026
E. B.
Director, Global Workplace Services
Mobile Phone
Email
United Kingdom, England
Apr 16, 2026
A. I.
Project Director
Mobile Phone
Email
United Kingdom, England
Jun 28, 2026
Á. G. S.
Director De Operaciones
Mobile Phone
Email
Spain, Madrid
Mar 10, 2026

Frequently Asked Questions

What is ISG known for?

ISG operates in the Construction industry. You can contact ISG's main corporate office by phone at

+1-209-469-****

. Explore ISG's company overview page for more information.

What is ISG's most common email format?

ISG employees' email format typically follows the pattern of First.Last@isgplc.com. Trying to find reliable and up-to-date employee contact data? Find more ISG email formats with LeadIQ.

How many employees does ISG have currently?

ISG has approximately 2K employees as of August 2026. These team members are located across 6 continents, including Europe, North America and Asia.

Who are ISG's key employees and leadership?

As of August 2026, ISG's key employees include:

Ceo: D. W.
Cfo: S. B.
Chief Human Resources Officer: J. F.
Chief Marketing Officer: R. H.
Chief Financial Officer: T. R.

Looking for contact data? Unlock accurate emails and phone numbers for your ideal prospects with LeadIQ.

Everything for prospecting,
in one platform.

What you can expect from LeadIQ:

B2B data verified in real-time
Sync data to your CRM, & add it to an outreach sequence in one click
Integrations with your tech stack for optimal efficiency
A patented AI cold email generator
Account & contact-level job change tracking

ISG Employee Directory

Find ISG employees' phone numbers or email addresses

Name search is limited — try advanced search instead