What departments does ista have?

ista has employees across 15 departments including Sales, Entrepreneurship, Information Technology, Finance, Information Security.

What is the largest department at ista?

The largest department at ista is Sales with 5 employees.

Where are ista employees located globally?

ista has employees across 7 continents and 56 countries including Morocco, Angola, Mali, Algeria, Congo.

How has ista's team size changed over time?

ista's team has decreased from approximately 1.8K to 1.3K employees based on available data.

ista Employee Directory

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

ista's key employees include: Chief Sales Officer (cso) / Member Of The Executive Board: O. S., Ceo: H. L., Ceo Region North And Eastern Europe: B. M., Chief Executive Officer: T. Z., Cso - Chief Sales Officer: D. B.

IT Services and IT ConsultingNorth Rhine-Westphalia, Germany1001-5000 Employees

ista is a global IT services and IT consulting company focused on reducing buildings' CO2 emissions through digital products and services. It manages data and processes to make homes and commercial properties more climate-friendly, safer, and more comfortable, with a digital-first approach that eases the transition to sustainable technologies. The company has deployed more than 45 million connected devices in support of its offerings.

Based in Essen, North Rhine-Westphalia, Germany, ista operates in about 20 countries and maintains a sizeable workforce. Its solutions reach over 14 million residential and commercial properties worldwide, serving more than 460,000 customers.

ista Global Highlights

Europe
1.2K

Germany
865
France
86
Poland
43
Denmark
29
Spain
25
Italy
21
Austria
16
Romania
13
United Kingdom Of Great Britain And Northern Ireland
13
Netherlands
12
Belgium
11
Luxembourg
6
Switzerland
4
Slovakia
4
Norway
2
Belarus
2
Hungary
2
Sweden
1
Ukraine
1
Bulgaria
1
Portugal
1
Croatia
1

Africa
140

Morocco
112
Angola
11
Algeria
6
Madagascar
3
Gabon
2
Mali
1
Congo
1
Guinea
1
Togo
1
Cameroon
1
Chad
1

Asia
64

Iran
21
Turkey
9
India
8
United Arab Emirates
7
Philippines
6
Thailand
4
Indonesia
3
Malaysia
2
China
1
Russian Federation
1
Qatar
1
Oman
1

North America
23

El Salvador
20
United States Of America
2
Mexico
1

South America
10

Brazil
5
Chile
2
Ecuador
2
Argentina
1

Oceania
2

Australia
2

ista's Leadership

H. L.
Ceo
Mobile Phone
Email
B. M.
Ceo Region North And Eastern Europe
Mobile Phone
Email
T. Z.
Chief Executive Officer
Mobile Phone
Email
D. B.
Cso - Chief Sales Officer
Mobile Phone
Email
J. K.
Cfo - Emerging Markets
Mobile Phone
Email
C. L.
CFO
Mobile Phone
Email
O. S.
Chief Sales Officer (cso) / Member Of The Executive Board
Mobile Phone
Email
N. A. E.
Chief Information Officer (cio)
Mobile Phone
Email

ista Employee Metrics

100%

50%

0%

2026

2025

Engineering
Product Management
Information Technology
Program & Project Management
Marketing
Other
Support
Sales
Analytics
Administrative
Arts & Design
Education
Accounting

Contact profiles from ista

Name

Title

Contact

Location

Last Update

A. M.
Chief Information Security Officer
Mobile Phone
Email
Germany, North Rhine-Westphalia
Aug 31, 2026
A. T.
Service Partner Management Lead
Mobile Phone
Email
Germany, North Rhine-Westphalia
Sep 10, 2024
C. L.
CFO
Mobile Phone
Email
Germany, North Rhine-Westphalia
T. Z.
Chief Executive Officer
Mobile Phone
Email
Germany
Aug 21, 2025
G. M.
Head Of Corporate Internal Audit And Compliance
Mobile Phone
Email
Germany, North Rhine-Westphalia
Mar 25, 2026
M. K.
Head Of Corporate Strategy
Mobile Phone
Email
Germany, North Rhine-Westphalia
Jul 25, 2026
C. K.
Senior Vice President (tribe Lead) Commercial & Industrial
Mobile Phone
Email
Jul 14, 2026
J. B.
Head Of Corporate M&a
Mobile Phone
Email
Germany, North Rhine-Westphalia
Oct 18, 2025
D. P.
Head Of It-Security
Mobile Phone
Email
Germany, Lower Saxony
Jun 30, 2026
L. R.
Head Of Sales
Mobile Phone
Email
Germany, Bavaria
Jul 14, 2026

Frequently Asked Questions

What is ista known for?

ista was founded in 1902 and operates in the IT Services and IT Consulting industry. Explore ista's company overview page for more information.

What is ista's most common email format?

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

How many employees does ista have currently?

ista has approximately 2.3K employees as of August 2026. These team members are located across 6 continents, including Europe, Africa and Asia.

Who are ista's key employees and leadership?

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

Ceo: H. L.
Ceo Region North And Eastern Europe: B. M.
Chief Executive Officer: T. Z.
Cso - Chief Sales Officer: D. B.
Cfo - Emerging Markets: J. K.

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

ista Employee Directory

Find ista employees' phone numbers or email addresses

Name search is limited — try advanced search instead