What departments does Deerns have?

Deerns has employees across 11 departments including Finance, Program & Project Management, Information Technology, Human Resources, Marketing.

What is the largest department at Deerns?

The largest department at Deerns is Engineering with 8 employees.

Where are Deerns employees located globally?

Deerns has employees across 5 continents and 12 countries including Egypt, Kuwait, India, Netherlands, Spain.

How has Deerns's team size changed over time?

Deerns's team has decreased from approximately 142 to 133 employees based on available data.

Deerns Employee Directory

Engineering ServicesSouth Holland, Netherlands501-1000 Employees

Deerns is an independent engineering firm that delivers technical consulting and engineering solutions, with a long-standing presence dating back to 1928 and a network of offices worldwide. The company focuses on building systems, energy supply, and building physics, offering services that guide projects from initial concept through design, construction supervision, and aftercare. Its portfolio spans airports, healthcare organizations, data centers, laboratories and cleanrooms, and commercial real estate developers, illustrating a broad, sector-spanning capability within the built environment.

Headquartered in The Hague, South Holland, Deerns serves local, national, and international clients in the engineering services field, positioning itself as a specialist in complex building projects and sustainability-focused design. In 2025, the firm expanded its Western European footprint with offices in France and the Netherlands to meet growing demand, and it launched a Whole Life Carbon approach to emphasize life-cycle sustainability within its engineering solutions.

Deerns Global Highlights

Europe
122

Netherlands
83
Spain
14
Italy
11
United Kingdom Of Great Britain And Northern Ireland
7
Germany
5
France
2

Asia
7

Kuwait
5
India
2

North America
6

United States Of America
6

South America
4

Brazil
3
Colombia
1

Africa
1

Egypt
1

Deerns's Leadership

T. V. D. M.
Chief Executive Officer
Mobile Phone
Email
E. V. D. A.
Cfo
Mobile Phone
Email
H. V. D. B.
Group Commercial Director
Mobile Phone
Email
A. M.
Division Director Airports
Mobile Phone
Email
C. L.
Sector Director, Data Centres
Mobile Phone
Email
L. R.
Unit Director - Division Real Estate & Healthcare
Mobile Phone
Email
M. A.
Unit Director Airports
Mobile Phone
Email
S. M. B. C. M.
Delivery Director
Mobile Phone
Email

Deerns Employee Metrics

100%

50%

0%

2026

2025

Engineering
Accounting
Human Resources
Administrative
Business
Other
Arts & Design

Contact profiles from Deerns

Name

Title

Contact

Location

Last Update

E. V. D. A.
Cfo
Mobile Phone
Email
Netherlands, South Holland
May 20, 2026
T. V. D. M.
Chief Executive Officer
Mobile Phone
Email
Netherlands, South Holland
Oct 18, 2025
H. V. D. B.
Group Commercial Director
Mobile Phone
Email
Netherlands, South Holland
Sep 22, 2026
A. M.
Division Director Airports
Mobile Phone
Email
Netherlands, South Holland
Sep 17, 2026
C. L.
Sector Director, Data Centres
Mobile Phone
Email
Italy, Campania
Sep 12, 2026
L. R.
Unit Director - Division Real Estate & Healthcare
Mobile Phone
Email
Netherlands, South Holland
Feb 18, 2026
M. A.
Unit Director Airports
Mobile Phone
Email
Netherlands
Jun 30, 2026
S. M. B. C. M.
Delivery Director
Mobile Phone
Email
United Kingdom, England
Oct 14, 2026
P. D.
It Manager
Mobile Phone
Email
Netherlands
Oct 13, 2026
M. W.
People & Culture Manager
Mobile Phone
Email
Netherlands, South Holland
Sep 26, 2026

Frequently Asked Questions

What is Deerns known for?

Deerns operates in the Engineering Services industry. Explore Deerns's company overview page for more information.

What is Deerns's most common email format?

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

How many employees does Deerns have currently?

Deerns has approximately 825 employees as of October 2026. These team members are located across 5 continents, including Europe, Asia and North America.

Who are Deerns's key employees and leadership?

As of October 2026, Deerns's key employees include:

Chief Executive Officer: T. V. D. M.
Cfo: E. V. D. A.
Group Commercial Director: H. V. D. B.
Division Director Airports: A. M.
Sector Director, Data Centres: C. L.

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Deerns Employee Directory

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