Ostertag DeTeWe Employee Directory

Q: What is Ostertag DeTeWe known for?

Ostertag DeTeWe was founded in 1995. Ostertag DeTeWe operates in the Telecommunications industry.

Q: How many employees does Ostertag DeTeWe have currently?

Ostertag DeTeWe has approximately 190 employees.

TelecommunicationsBaden-württemberg, 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.

Find Ostertag DeTeWe employees' phone numbers or email addresses

Ostertag DeTeWe Global Highlights

Europe
153

Germany
146
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
K. K.
Leiter Field Service / Service Manager - Region Mitte + West / Bereich Finance
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
M. K.
Sales Manager Nord Ost Bei Ostertag Detewe Gmbh
Mobile Phone
Email
A. K.
Senior Network Consultant / Teamleiter Data
Mobile Phone
Email

Ostertag DeTeWe Employee Metrics

100%

50%

0%

2026

2025

Administrative
Sales
Engineering
Support
Solutions Engineering
Other
Program & Project Management

Contact profiles from Ostertag DeTeWe

Name

Title

Contact Info

Location

Last Update

T. H.
Head Of Cloud- Carrier- &&vendor Management
Mobile Phone
Email
GermanyNorth Rhine-Westphalia
Feb 09, 2026
S. H.
It Director
Mobile Phone
Email
GermanySchleswig-Holstein
Feb 12, 2026
K. K.
Leiter Field Service / Service Manager - Region Mitte + West / Bereich Finance
Mobile Phone
Email
Nov 20, 2025
M. T.
Sap Application Manager
Mobile Phone
Email
GermanySaarland
Nov 13, 2025
A. M.
Service Delivery Manager
Mobile Phone
Email
Baden-württemberg
Sep 11, 2025
M. F.
Key-Account-Manager
Mobile Phone
Email
Jan 28, 2026
M. K.
Sales Manager Nord Ost Bei Ostertag Detewe Gmbh
Mobile Phone
Email
Feb 25, 2025
A. K.
Senior Network Consultant / Teamleiter Data
Mobile Phone
Email
GermanyLower Saxony
Oct 26, 2025
M. P.
Senior Systemspezialist
Mobile Phone
Email
GermanyHesse
Jan 28, 2026
L. K.
Leiter Field Service
Mobile Phone
Email
GermanyBerlin
Jan 28, 2026

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 13 Schlattgrabenstraße Walddorfhäslach, Baden-württemberg 72141 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 February 2026. These team members are located across 1 continents, including Europe.

Who are Ostertag DeTeWe's key employees and leadership?

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

Head Of Cloud- Carrier- &&vendor Management: T. H.
It Director: S. H.
Leiter Field Service / Service Manager - Region Mitte + West / Bereich Finance: K. K.
Sap Application Manager: M. T.
Service Delivery Manager: A. M.

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