What departments does ISG have?

ISG has employees across 9 departments including Operations, Marketing, Finance, Human Resources, Sales.

What is the largest department at ISG?

The largest department at ISG is Information Technology with 4 employees.

Where are ISG employees located globally?

ISG has employees across 7 continents and 62 countries including Egypt, South Africa, Côte D'ivoire, Tunisia, Algeria.

How has ISG's team size changed over time?

ISG's team has decreased from approximately 4.5K to 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 Chief Executive Officer: I. D., Ceo: D. W., Coo International Strategy Division: R. G., Cfo: S. B., Chief Inormation Officer: G. S..

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
1.9K

United Kingdom Of Great Britain And Northern Ireland
1.7K
Spain
48
Germany
29
France
25
Netherlands
13
Switzerland
11
Belgium
10
Finland
9
Italy
8
Ireland
6
Portugal
6
Ukraine
5
Austria
2
Slovakia
1
Greece
1
Serbia
1
Estonia
1
Monaco
1
Sweden
1
Poland
1

Asia
220

India
42
Singapore
36
Malaysia
29
Turkey
28
United Arab Emirates
26
China
14
Russian Federation
11
Saudi Arabia
10
Qatar
5
Philippines
4
Pakistan
3
Indonesia
3
Oman
2
Thailand
1
Bangladesh
1
Sri Lanka
1
Mongolia
1
Kuwait
1
Bahrain
1
Japan
1

North America
187

United States Of America
174
Canada
8
Panama
2
Mexico
2
Jamaica
1

Africa
67

Tunisia
22
Algeria
13
Egypt
10
South Africa
10
Nigeria
4
Côte D'ivoire
2
Morocco
2
Guinea-bissau
1
Togo
1
Cameroon
1
Gabon
1

South America
8

Brazil
6
Chile
1
Argentina
1

Oceania
7

Australia
7

ISG's Leadership

D. W.
Ceo
Mobile Phone
Email
R. G.
Coo International Strategy Division
Mobile Phone
Email
S. B.
Cfo
Mobile Phone
Email
G. S.
Chief Inormation Officer
Mobile Phone
Email
R. H.
Chief Marketing Officer
Mobile Phone
Email
T. R.
Chief Financial Officer
Mobile Phone
Email
T. S.
Chief Commercial Officer
Mobile Phone
Email
C. K.
Chief Pipeline Inspector
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 Info

Location

Last Update

I. D.
Executive Assistant To Chief Executive Officer
Mobile Phone
Email
United KingdomUnited Kingdom
Jan 22, 2026
C. B.
Owner
Mobile Phone
Email
United StatesConnecticut
Apr 16, 2026
J. C.
President
Mobile Phone
Email
United StatesMassachusetts
Apr 13, 2026
A. D.
Partner
Mobile Phone
Email
Oct 21, 2024
B. F.
Partner
Mobile Phone
Email
Oct 23, 2024
B. W.
Owner
Mobile Phone
Email
United KingdomKent
Sep 08, 2025
C. W.
Partner
Mobile Phone
Email
Oct 22, 2024
C. N.
Partner Organization Change Management
Mobile Phone
Email
Oct 16, 2024
D. W.
Executive Assistant To The Chairman And Chief Executive Officer
Mobile Phone
Email
Oct 23, 2024
D. G.
Partner
Mobile Phone
Email
Oct 22, 2024

Frequently Asked Questions

What is ISG known for?

ISG operates in the Construction industry. The company's main headquarters is located in 33 Aldgate High Street London, England ec3n 1ag United Kingdom; you can contact the 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 . 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 June 2026. These team members are located across 6 continents, including EuropeAsiaNorth America.

Who are ISG's key employees and leadership?

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

Ceo: D. W.
Coo International Strategy Division: R. G.
Cfo: S. B.
Chief Inormation Officer: G. S.
Chief Marketing Officer: R. H.

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ISG Employee Directory

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