Insights

Managed Services Demand Ostertag DeTeWe offers complete managed services including consultation, design, implementation and integration of unified communications, coupled with after-sales support and financing. This signals a potential upsell opportunity to expand their managed services footprint and offer ongoing optimization for international clients.

International Reach As a member of the Ostertag Group with strategic partnerships enabling international services, there is a pathway to cross-sell across group companies and leverage global delivery capabilities to enterprise clients seeking standardized telecom and UC solutions across borders.

Tech Stack Synergy Current technologies include Microsoft SharePoint, SAP, ServiceNow and Google Tag Manager, suggesting opportunities to position advanced integration projects, IT service management optimization, and data-driven collaboration deployments to mid-market and growing organizations.

Financially Scalable With revenue in the 10–25 million USD range and a 51–200 employee base, Ostertag DeTeWe appears capable of large-scale deployments and financing options, enabling the sales team to propose multi-year, multi-site UC and telecom modernization programs.

Automation and Support The emphasis on after-sales support and 24/7 availability indicates a value proposition around reliable service levels, which can be complemented with ServiceNow workflows, remote monitoring, and proactive incident management to reduce downtime for customer networks.

Ostertag DeTeWe Tech Stack

Ostertag DeTeWe uses 8 technology products and services including Hewlett Packard Enterprise, Microsoft SharePoint, WordPress, and more. Explore Ostertag DeTeWe's tech stack below.

  • Hewlett Packard Enterprise
    Cloud Infrastructure Computing
  • Microsoft SharePoint
    Content Management System
  • WordPress
    Content Management System
  • SAP
    Customer Relationship Management
  • TeamViewer
    Customer Service
  • Underscore.js
    Javascript Libraries
  • ServiceNow
    Miscellaneous
  • Google Tag Manager
    Tag Management

Media & News

Ostertag DeTeWe's Email Address Formats

Ostertag DeTeWe uses at least 2 format(s):
Ostertag DeTeWe Email FormatsExamplePercentage
First.Last@detewe.deJohn.Doe@detewe.de
100%
First.Last@ostertagdetewe.deJohn.Doe@ostertagdetewe.de
100%

Frequently Asked Questions

Where is Ostertag DeTeWe's headquarters located?

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Ostertag DeTeWe's main headquarters is located at 61 Schießstraße Düsseldorf, North Rhine-westphalia 40549 Germany. The company has employees across 1 continents, including Europe.

What is Ostertag DeTeWe's phone number?

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You can contact Ostertag DeTeWe's main corporate office by phone at . For more prospecting data, LeadIQ has access to up-to-date and accurate contact information within our platform. Find, capture, and sync contact data to your CRM and sales tools in one click.

What is Ostertag DeTeWe's official website and social media links?

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Ostertag DeTeWe's official website is ostertagdetewe.de and has social profiles on LinkedIn.

What is Ostertag DeTeWe's NAICS code?

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Ostertag DeTeWe's NAICS code is 517 - Telecommunications.

How many employees does Ostertag DeTeWe have currently?

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As of June 2026, Ostertag DeTeWe has approximately 190 employees across 1 continents, including Europe. Key team members include Head Of Cloud- Carrier- &&vendor Management: T. H.It Director: S. H.Account-Manager: S. M.. Explore Ostertag DeTeWe's employee directory with LeadIQ.

What industry does Ostertag DeTeWe belong to?

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Ostertag DeTeWe operates in the Telecommunications industry.

What technology does Ostertag DeTeWe use?

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Ostertag DeTeWe's tech stack includes Hewlett Packard EnterpriseMicrosoft SharePointWordPressSAPTeamViewerUnderscore.jsServiceNowGoogle Tag Manager.

What is Ostertag DeTeWe's email format?

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Ostertag DeTeWe's email format typically follows the pattern of First.Last@detewe.de. Find more Ostertag DeTeWe email formats with LeadIQ.

When was Ostertag DeTeWe founded?

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Ostertag DeTeWe was founded in 1995.
Ostertag DeTeWe logo

Ostertag DeTeWe

TelecommunicationsNorth Rhine-westphalia, Germany51-200 Employees

Ostertag DeTeWe is a mid-sized telecommunications company based in Düsseldorf, North Rhine-Westphalia. It focuses on delivering tailored, integrated communications solutions to clients worldwide around the clock, supported by end-to-end managed services and after-sales support. As part of the Ostertag Group, it leverages strategic partnerships to extend its international service reach.

The firm targets business customers needing reliable, scalable communications and collaboration capabilities, addressing the lifecycle from advisory to deployment and ongoing support. It positions itself in the telecommunications industry as a provider of comprehensive managed services for communications technologies, including planning, design, implementation and integration. Its international reach is facilitated by its group affiliation and partnerships, enabling cross-border delivery of services.

Section iconCompany Overview

Headquarters
61 Schießstraße Düsseldorf, North Rhine-westphalia 40549 Germany
Phone number
NAICS Code
517 - Telecommunications
Founded
1995
Employees
51-200

Section iconMedia & News

Section iconFunding & Financials

  • $10M$25M

    Ostertag DeTeWe's revenue is estimated to be in the range of $10M$25M

Section iconFunding & Financials

  • $10M$25M

    Ostertag DeTeWe's revenue is estimated to be in the range of $10M$25M

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