What departments does Simpson Gumpertz & Heger (SGH) have?

Simpson Gumpertz & Heger (SGH) has employees across 9 departments including Operations, Finance, Engineering, Marketing, Information Technology.

What is the largest department at Simpson Gumpertz & Heger (SGH)?

The largest department at Simpson Gumpertz & Heger (SGH) is Program & Project Management with 19 employees.

Where are Simpson Gumpertz & Heger (SGH) employees located globally?

Simpson Gumpertz & Heger (SGH) has employees across 7 continents and 37 countries including Senegal, Nigeria, Egypt, South Africa, Ghana.

How has Simpson Gumpertz & Heger (SGH)'s team size changed over time?

Simpson Gumpertz & Heger (SGH)'s team has decreased from approximately 1.9K to 763 employees based on available data.

Simpson Gumpertz & Heger (SGH) Employee Directory

Civil EngineeringMassachusetts, United States501-1000 Employees

Simpson Gumpertz & Heger (SGH) is a national civil engineering firm based in Waltham, Massachusetts. It provides integrated guidance for complex building projects, drawing on expertise in structures, building enclosures, advanced analysis, code consulting, and applied science and research. The firm aims to deliver comprehensive solutions that address performance across design, construction, and operation, supported by a nationwide network of offices and hundreds of professionals.

SGH serves clients with challenging building performance and enclosure issues, offering multidisciplinary engineering services across the civil engineering field. In 2026, the firm expanded its building enclosure consulting presence in Atlanta, extending its Southeastern U.S. footprint.

Simpson Gumpertz & Heger (SGH) Global Highlights

North America
1K

United States Of America
992
Canada
12
Mexico
1

Asia
66

Singapore
32
India
8
Saudi Arabia
8
Malaysia
6
Philippines
3
Iran
2
Indonesia
2
Lebanon
1
Yemen
1
United Arab Emirates
1
Turkey
1
Sri Lanka
1

Europe
21

United Kingdom Of Great Britain And Northern Ireland
6
Poland
5
Germany
2
Netherlands
2
France
1
Albania
1
Norway
1
Croatia
1
Spain
1
Sweden
1

Africa
8

Egypt
2
South Africa
2
Senegal
1
Nigeria
1
Ghana
1
Benin
1

South America
4

Brazil
2
Colombia
1
Venezuela
1

Oceania
2

New Zealand
2

Simpson Gumpertz & Heger (SGH)'s Leadership

C. R.
Chief Executive Officer
Mobile Phone
Email
G. B.
Chief Executive Officer
Mobile Phone
Email
G. R.
Cfo
Mobile Phone
Email
N. V.
Chief Operating Officer
Mobile Phone
Email
J. B.
Head Of Engineering Mechanics & Infrastructure
Mobile Phone
Email
C. H.
Owner
Mobile Phone
Email
J. D.
Owner Founder
Mobile Phone
Email
J. Z.
Owner
Mobile Phone
Email

Simpson Gumpertz & Heger (SGH) Employee Metrics

100%

50%

0%

2026

2025

Healthcare Services
Consultant
Engineering
Program & Project Management
Information Technology
Other
Arts & Design
Community & Social Services
Administrative
Accounting

Contact profiles from Simpson Gumpertz & Heger (SGH)

Name

Title

Contact Info

Location

Last Update

N. V.
Chief Operating Officer
Mobile Phone
Email
United StatesMassachusetts
May 31, 2026
G. R.
Cfo
Mobile Phone
Email
United StatesMassachusetts
Feb 09, 2026
C. H.
Owner
Mobile Phone
Email
NetherlandsNorth Brabant
Apr 17, 2026
C. R.
Chief Executive Officer
Mobile Phone
Email
Oct 17, 2024
G. B.
Chief Executive Officer
Mobile Phone
Email
Oct 22, 2024
J. D.
Owner Founder
Mobile Phone
Email
Oct 16, 2024
J. Z.
Owner
Mobile Phone
Email
Oct 21, 2024
P. L.
Partner
Mobile Phone
Email
Oct 24, 2024
R. W.
Owner Founder
Mobile Phone
Email
Oct 23, 2024
J. B.
Head Of Engineering Mechanics & Infrastructure
Mobile Phone
Email
United StatesMassachusetts
Apr 06, 2026

Frequently Asked Questions

What is Simpson Gumpertz & Heger (SGH) known for?

Simpson Gumpertz & Heger (SGH) was founded in 1956 operates in the Civil Engineering industry. The company's main headquarters is located in 480 Totten Pond Road Waltham, Massachusetts 02451 United States; you can contact the main corporate office by phone at

+1-781-907-****

. Explore Simpson Gumpertz & Heger (SGH)'s company overview page for more information.

What is Simpson Gumpertz & Heger (SGH)'s most common email format?

Simpson Gumpertz & Heger (SGH) employees' email format typically follows the pattern of . Trying to find reliable and up-to-date employee contact data? Find more Simpson Gumpertz & Heger (SGH) email formats with LeadIQ.

How many employees does Simpson Gumpertz & Heger (SGH) have currently?

Simpson Gumpertz & Heger (SGH) has approximately 933 employees as of June 2026. These team members are located across 6 continents, including North AmericaAsiaEurope.

Who are Simpson Gumpertz & Heger (SGH)'s key employees and leadership?

As of June 2026, Simpson Gumpertz & Heger (SGH)'s key employees include:

Chief Executive Officer: C. R.
Chief Executive Officer: G. B.
Cfo: G. R.
Chief Operating Officer: N. V.
Head Of Engineering Mechanics & Infrastructure: J. B.

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Simpson Gumpertz & Heger (SGH) Employee Directory

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