What departments does Ostertag DeTeWe have?

Ostertag DeTeWe has employees across 7 departments including Information Technology, Customer Success, Supply Chain, Product Management, Sales.

What is the largest department at Ostertag DeTeWe?

The largest department at Ostertag DeTeWe is Customer Success with 5 employees.

Where are Ostertag DeTeWe employees located globally?

Ostertag DeTeWe has employees across 1 continents and 4 countries including Germany, United Kingdom Of Great Britain And Northern Ireland, Netherlands, Bulgaria.

How has Ostertag DeTeWe's team size changed over time?

Ostertag DeTeWe's team has grown from approximately 116 to 117 employees based on available data.

Ostertag DeTeWe Employee Directory

TelecommunicationsNorth Rhine-westphalia, Germany51-200 Employees

Transform your business

DeTeWe Communications have many years of experience in delivering tailored, integrated solutions for their clients internationally 365 days a year, 24 hours a day. 

Their portfolio consists of:

• Complete managed services - including consultation, design, implementation and integration of effective communication technologies e.g. unified communications 
• After-sales support
• Financing 

As a member of the Ostertag Group and through our strategic partnerships, we can also offer these services internationally.

Ostertag DeTeWe Global Highlights

Europe
151

Germany
144
United Kingdom Of Great Britain And Northern Ireland
5
Netherlands
1
Bulgaria
1

Ostertag DeTeWe's Leadership

T. H.
Head Of Cloud- Carrier- &&vendor Management
Mobile Phone
Email
S. H.
It Director
Mobile Phone
Email
S. M.
Account-Manager
Mobile Phone
Email
M. P.
Account-Manager
Mobile Phone
Email
M. T.
Sap Application Manager
Mobile Phone
Email
A. M.
Service Delivery Manager
Mobile Phone
Email
M. F.
Key-Account-Manager
Mobile Phone
Email
N. K.
Account Manager
Mobile Phone
Email

Ostertag DeTeWe Employee Metrics

100%

50%

0%

2026

2025

Administrative
Sales
Engineering
Support
Solutions Engineering
Other
Program & Project Management
Information Technology

Contact profiles from Ostertag DeTeWe

Name

Title

Contact Info

Location

Last Update

N. P.
Regionaler Sales Manager
Mobile Phone
Email
Germany
Jan 25, 2024
A. K.
Senior Network Consultant / Teamleiter Data
Mobile Phone
Email
GermanyLower Saxony
Jun 01, 2026
M. P.
Senior Systemspezialist
Mobile Phone
Email
GermanyHesse
Jun 02, 2026
L. K.
Leiter Field Service
Mobile Phone
Email
GermanyBerlin
Jan 28, 2026
T. F.
Prokurist / Authorized Officer
Mobile Phone
Email
GermanyRheinland-Pfalz
Apr 16, 2026
G. K.
Sachbearbeiter Kreditorenbuchhaltung Bei Ostertag Detewe Gmbh
Mobile Phone
Email
GermanyBaden-Württemberg
Oct 18, 2025
T. N.
Presales Consultant
Mobile Phone
Email
GermanyBavaria
Nov 21, 2025
P. G.
Teamleiter It-Infrastruktur
Mobile Phone
Email
Oct 27, 2025
A. M.
Support Engineer Applications
Mobile Phone
Email
GermanyBerlin
Feb 16, 2026
H. C.
IT Sales Engineer
Mobile Phone
Email
Oct 26, 2022

Frequently Asked Questions

What is Ostertag DeTeWe known for?

Ostertag DeTeWe was founded in 1995 operates in the Telecommunications industry. The company's main headquarters is located in 61 Schießstraße Düsseldorf, North Rhine-westphalia 40549 Germany; you can contact the main corporate office by phone at

+49-30-4779****

. Explore Ostertag DeTeWe's company overview page for more information.

What is Ostertag DeTeWe's most common email format?

Ostertag DeTeWe employees' email format typically follows the pattern of . Trying to find reliable and up-to-date employee contact data? Find more Ostertag DeTeWe email formats with LeadIQ.

How many employees does Ostertag DeTeWe have currently?

Ostertag DeTeWe has approximately 190 employees as of June 2026. These team members are located across 1 continents, including Europe.

Who are Ostertag DeTeWe's key employees and leadership?

As of June 2026, Ostertag DeTeWe's key employees include:

Head Of Cloud- Carrier- &&vendor Management: T. H.
It Director: S. H.
Account-Manager: S. M.
Account-Manager: M. P.
Sap Application Manager: M. T.

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Ostertag DeTeWe Employee Directory

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