Company lists · Data refreshed November 2026
Top 25 Business telephone system providers based in Germany
RevenueBase identified 229 company matches for business telephone system providers associated with Germany as of November 2026 and tracks 1,466 professional contacts across them, including 572 with verified work emails. Berlin is the largest hub.
This list covers company matches for business telephone system providers associated with Germany, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest business telephone system providers based in Germany
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 171 contacts → | ||||
Exact match “Transform your business DeTeWe Communications have many years of experience in delivering tailored, integrated solutions for their clients internationally 365 days a year, 24…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 98 contacts → | ||||
Exact match “Seit 2003 sind wir erfolgreich als Fullservice Dienstleister in der Telekommunikationsbranche tätig.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 64 contacts → | ||||
Exact match “Placetel ist in Deutschland einer der führenden Anbieter von professionellen Telefonanlagen aus der Cloud und ein Dienst der Gamma Placetel GmbH.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 38 contacts → | ||||
Exact match “Globalcarrier – Ganzheitliche Lösungen aus einer Hand Die globalcarrier telecom GmbH ist mit über 90 mitarbeitenden Menschen und 6 Niederlassungen in Hessen und…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 37 contacts → | ||||
Exact match “Das Büro der Zukunft.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 36 contacts → | ||||
Exact match “comdesk ist ein deutsches Unternehmen für cloudbasierte Business-Kommunikation mit Sitz in Kölln-Reisiek.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 30 contacts → | ||||
Exact match “Wir sind TeleSys - communication for business Frankens größtes, herstellerunabhängiges Systemhaus.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 30 contacts → | ||||
Exact match “Die TERMATH AG liefert maßgeschneiderte Lösungen im Bereich Kommunikationssysteme, Netzwerksysteme und Sicherheitssysteme sowie Service für Gewerbe, Industrie- und Großkunden.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 26 contacts → | ||||
Exact match “Das MTG Systemhaus ist mit seinen 170 Mitarbeitern in München und Leipzig zuhause und bietet bundesweit umfangreiche Leistungen zu- Kommunikationstechnik - Sicherheitstechnik -…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 26 contacts → | ||||
Exact match “Cloud- und On-Premise-Lösungen - Technologie verwandelt Die toplink-Gruppe etwas genauer betrachtet: toplink GmbH - die Cloud Company Bereits 2005 vermarktet die toplink GmbH die…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 25 contacts → | ||||
Exact match “Die OFF Telekommunikation GmbH ist DER Partner für moderne Kommunikationslösungen.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 23 contacts → | ||||
Exact match “Wir sind speziell ausgebildete Dienstleister und Berater für Business-Telekommunikation.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 21 contacts → | ||||
Exact match “We offer advantages of modern telephone systems and cloud solutions as well as access to landline network and internet, all from one source.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 20 contacts → | ||||
Exact match “LIPINSKI TELEKOM ist Ihr Experte für umfassende Beratung, Planung, Installation und Betreuung von vernetzten Kommunikationslösungen.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 20 contacts → | ||||
Exact match “Wir verbinden Informationstechnologie und Telekommunikation Seit 1987 stehen wir als zuverlässiger Partner an der Seite unserer Kunden.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 20 contacts → | ||||
Exact match “Your experts in information technology.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 18 contacts → | ||||
Exact match “ICN GmbH + Co.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 17 contacts → | ||||
Exact match “Inter Data Systems GmbH ist ein seit 1972 auf Telekommunikation und IT spezialisiertes Technologieunternehmen.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 15 contacts → | ||||
Exact match “MBC – DAS ITK-SYSTEMHAUS FÜR MODERNE TELEKOMMUNIKATION MBC ist eines der führenden Systemhäuser für ITK & Telekommunikation in der Metropolregion Rhein-Neckar und ist seit über 30…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 14 contacts → | ||||
Exact match “Systemspezialisten für IT- und Telekommunikation mit Fokus auf tiefe Integrationen individueller Geschäftsprozesse und Lösungen.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 13 contacts → | ||||
Exact match “WIR VERBINDEN BUSINESS TEAMS!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 13 contacts → | ||||
Exact match “Wir verbinden Menschen – ob Local oder Global Player, vom Start-up bis zum Großkonzern.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 13 contacts → | ||||
Exact match “Ob kleines Büro oder Mittelstand Unternehmen jeder Größe profitieren von unseren innovativen Kommunikationslösungen, die den unterschiedlichen Anforderungen optimal angepasst und…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 12 contacts → | ||||
Exact match “o-byte.com ist ein mittelständisches ITK-Systemhaus aus der Fahrradstadt Münster mit Standorten in Köln und Lüdenscheid.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 12 contacts → | ||||
Exact match “Zenk SystemPartner GmbH ist ein Telekommunikationsunternehmen und IT-Systemhaus mit Schwerpunkt Telefonanlagen, Cloud, Alarmserver, Netzwerktechnik, Schwesternrufanlagen und…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “business telephone system providers”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 229 business telephone system providers based in Germany
See the full list, filter by size, metro and specialty, and access 572 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Business telephone system providers based in Germany at a glance
As of Nov 6, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for Germany, so it is reported there. Company counts and contact totals on this page are exact for Germany, over 229 companies.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Company records associated with Germany whose business descriptions match “business telephone system providers” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 572 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on November 6, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “business telephone system providers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many business telephone system providers are there based in Germany?
RevenueBase identified 229 company matches for business telephone system providers associated with Germany as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Ostertag Detewe tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most business telephone system providers?
Berlin leads with 17 company records, followed by Hamburg (8) and Cologne (5).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 572 professional contacts with verified work emails tracked across these 229 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 229 business telephone system providers based in Germany. Start with a free account, no credit card.
Download this list →Related lists
Business telephone system providers by geography
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- Business telephone system providers based in Argentina
- Business telephone system providers based in Australia
- Business telephone system providers based in Belgium
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- Business telephone system providers based in Canada
- Business telephone system providers based in France
- Business telephone system providers based in India
About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Business telephone system providers based in Sao Paulo, Brazil
- Business telephone system providers based in Madrid, Spain
- Business telephone system providers based in London, United Kingdom
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Company intelligence · public preview
Top 25 business telephone system providers based in Germany
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 229 matching company records for business telephone system providers based in Germany, with 1,466 tracked contacts and 572 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 business telephone system providers based in Germany
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Ostertag Deteweostertagdetewe.deHQ: Düsseldorf, GermanyReported employees: 201-500 | Düsseldorf, Germany | 201-500 | Exact match | 171 contacts → |
“Transform your business DeTeWe Communications have many years of experience in delivering tailored, integrated solutions for their clients internationally 365 days a year, 24…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  S-Kon Gruppeskon.deHQ: Hamburg, GermanyReported employees: 501-1,000 | Hamburg, Germany | 501-1,000 | Exact match | 98 contacts → |
“Seit 2003 sind wir erfolgreich als Fullservice Dienstleister in der Telekommunikationsbranche tätig.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Placetelplacetel.deHQ: Cologne, GermanyReported employees: 51-200 | Cologne, Germany | 51-200 | Exact match | 64 contacts → |
“Placetel ist in Deutschland einer der führenden Anbieter von professionellen Telefonanlagen aus der Cloud und ein Dienst der Gamma Placetel GmbH.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Globalcarrier Telecom Gmbhglobalcarrier.deHQ: Schlüchtern, GermanyReported employees: 51-200 | Schlüchtern, Germany | 51-200 | Exact match | 38 contacts → |
“Globalcarrier – Ganzheitliche Lösungen aus einer Hand Die globalcarrier telecom GmbH ist mit über 90 mitarbeitenden Menschen und 6 Niederlassungen in Hessen und…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Ebuero AGebuero.deHQ: Berlin, GermanyReported employees: 201-500 | Berlin, Germany | 201-500 | Exact match | 37 contacts → |
“Das Büro der Zukunft.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Comdeskcomdesk.deHQ: Kölln-reisiek, GermanyReported employees: 11-50 | Kölln-reisiek, Germany | 11-50 | Exact match | 36 contacts → |
“comdesk ist ein deutsches Unternehmen für cloudbasierte Business-Kommunikation mit Sitz in Kölln-Reisiek.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Telesys Kommunikationstechnik Gmbhtelesys.deHQ: Breitengüßbach, GermanyReported employees: 51-200 | Breitengüßbach, Germany | 51-200 | Exact match | 30 contacts → |
“Wir sind TeleSys - communication for business Frankens größtes, herstellerunabhängiges Systemhaus.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Termath AGtermath.deHQ: Wolfsburg, GermanyReported employees: 51-200 | Wolfsburg, Germany | 51-200 | Exact match | 30 contacts → |
“Die TERMATH AG liefert maßgeschneiderte Lösungen im Bereich Kommunikationssysteme, Netzwerksysteme und Sicherheitssysteme sowie Service für Gewerbe, Industrie- und Großkunden.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  MTG Kommunikations-Technik Gmbhmtg-systemhaus.deHQ: Munich, GermanyReported employees: 51-200 | Munich, Germany | 51-200 | Exact match | 26 contacts → |
“Das MTG Systemhaus ist mit seinen 170 Mitarbeitern in München und Leipzig zuhause und bietet bundesweit umfangreiche Leistungen zu- Kommunikationstechnik - Sicherheitstechnik -…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Toplink Gmbhtoplink.deHQ: Darmstadt, GermanyReported employees: 11-50 | Darmstadt, Germany | 11-50 | Exact match | 26 contacts → |
“Cloud- und On-Premise-Lösungen - Technologie verwandelt Die toplink-Gruppe etwas genauer betrachtet: toplink GmbH - die Cloud Company Bereits 2005 vermarktet die toplink GmbH die…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | HQ: Börwang, GermanyReported employees: 51-200 | Börwang, Germany | 51-200 | Exact match | 25 contacts → |
“Die OFF Telekommunikation GmbH ist DER Partner für moderne Kommunikationslösungen.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Good Connected Gmbh & Co. KGgood-connected.deHQ: Herrsching Am Ammersee, GermanyReported employees: 11-50 | Herrsching Am Ammersee, Germany | 11-50 | Exact match | 23 contacts → |
“Wir sind speziell ausgebildete Dienstleister und Berater für Business-Telekommunikation.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Firstcom Europefirstcomeurope.deHQ: Goldbach, GermanyReported employees: 51-200 | Goldbach, Germany | 51-200 | Exact match | 21 contacts → |
“We offer advantages of modern telephone systems and cloud solutions as well as access to landline network and internet, all from one source.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Lipinski Telekom Gmbhlipinski-telekom.deHQ: Berlin, GermanyReported employees: 11-50 | Berlin, Germany | 11-50 | Exact match | 20 contacts → |
“LIPINSKI TELEKOM ist Ihr Experte für umfassende Beratung, Planung, Installation und Betreuung von vernetzten Kommunikationslösungen.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Bunsieck & Partner Gmbhbunsieck.comHQ: Greven, GermanyReported employees: 11-50 | Greven, Germany | 11-50 | Exact match | 20 contacts → |
“Wir verbinden Informationstechnologie und Telekommunikation Seit 1987 stehen wir als zuverlässiger Partner an der Seite unserer Kunden.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Sit-Solutionssit-solutions.deHQ: Adelsdorf, GermanyReported employees: 11-50 | Adelsdorf, Germany | 11-50 | Exact match | 20 contacts → |
“Your experts in information technology.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  ICN Gmbh Co. KGicn.deHQ: Dortmund, GermanyReported employees: 51-200 | Dortmund, Germany | 51-200 | Exact match | 18 contacts → |
“ICN GmbH + Co.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Inter Data Systems Gmbhidsgmbh.comHQ: Maintal, GermanyReported employees: 11-50 | Maintal, Germany | 11-50 | Exact match | 17 contacts → |
“Inter Data Systems GmbH ist ein seit 1972 auf Telekommunikation und IT spezialisiertes Technologieunternehmen.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  MBC Mobile Business Center E.Kmbc-mannheim.deHQ: Mannheim, GermanyReported employees: 11-50 | Mannheim, Germany | 11-50 | Exact match | 15 contacts → |
“MBC – DAS ITK-SYSTEMHAUS FÜR MODERNE TELEKOMMUNIKATION MBC ist eines der führenden Systemhäuser für ITK & Telekommunikation in der Metropolregion Rhein-Neckar und ist seit über 30…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Binder Systemhaus Gmbhbinder-systemhaus.deHQ: Balingen, GermanyReported employees: 11-50 | Balingen, Germany | 11-50 | Exact match | 14 contacts → |
“Systemspezialisten für IT- und Telekommunikation mit Fokus auf tiefe Integrationen individueller Geschäftsprozesse und Lösungen.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Phonekom Business Communications AGphonekom.de HQ: Friedrichsdorf, GermanyReported employees: 11-50 | Friedrichsdorf, Germany | 11-50 | Exact match | 13 contacts → |
“WIR VERBINDEN BUSINESS TEAMS!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Telenova Gmbhtelenova.deHQ: München-unterföhring, GermanyReported employees: 11-50 | München-unterföhring, Germany | 11-50 | Exact match | 13 contacts → |
“Wir verbinden Menschen – ob Local oder Global Player, vom Start-up bis zum Großkonzern.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Skytelecom Gmbhskytelecom.deHQ: Berlin, GermanyReported employees: 1-10 | Berlin, Germany | 1-10 | Exact match | 13 contacts → |
“Ob kleines Büro oder Mittelstand Unternehmen jeder Größe profitieren von unseren innovativen Kommunikationslösungen, die den unterschiedlichen Anforderungen optimal angepasst und…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  O-Byte.com Gmbh & Co. KGo-byte.comHQ: Münster, GermanyReported employees: 11-50 | Münster, Germany | 11-50 | Exact match | 12 contacts → |
“o-byte.com ist ein mittelständisches ITK-Systemhaus aus der Fahrradstadt Münster mit Standorten in Köln und Lüdenscheid.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Zenk Systempartner Gmbhzenk-systempartner.deHQ: Henstedt-ulzburg, GermanyReported employees: 11-50 | Henstedt-ulzburg, Germany | 11-50 | Exact match | 12 contacts → |
“Zenk SystemPartner GmbH ist ein Telekommunikationsunternehmen und IT-Systemhaus mit Schwerpunkt Telefonanlagen, Cloud, Alarmserver, Netzwerktechnik, Schwesternrufanlagen und…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 229 company matches
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Business telephone system providers: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
211 records in the displayed employee bands.
18 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for Germany, so it is reported there. Company counts and contact totals on this page are exact for Germany, over 229 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for business telephone system providers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many business telephone system providers did RevenueBase find based in Germany?
The saved snapshot records 229 matching company records, 1,466 tracked contacts and 572 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Business telephone system providers by geography
- Business telephone system providers based in Sao Paulo, Brazil
- Business telephone system providers based in Madrid, Spain
- Business telephone system providers based in London, United Kingdom
- Business telephone system providers based in Houston, United States
- Business telephone system providers based in New York, United States
- Business telephone system providers based in Argentina
- Business telephone system providers based in Australia
- Business telephone system providers based in Belgium
- Business telephone system providers based in Brazil
- Business telephone system providers based in Canada
- Business telephone system providers based in France
- Business telephone system providers based in India
Cite this list
RevenueBase Data Team. Top 25 business telephone system providers based in Germany. Snapshot: November 6, 2026. https://revenuebase.ai/companies/business-telephone-system-providers/germany.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Business telephone system providers based in Sao Paulo, Brazil
- Business telephone system providers based in Madrid, Spain
- Business telephone system providers based in London, United Kingdom
- Business telephone system providers based in Houston, United States
- Business telephone system providers based in New York, United States
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Company intelligence · public preview
Top 25 business telephone system providers based in Germany
RevenueBase records 229 matching company records for business telephone system providers based in Germany, with 1,466 tracked contacts and 572 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 business telephone system providers based in Germany
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Ostertag Deteweostertagdetewe.de HQ: Düsseldorf, GermanyReported employees: 201-500 | Düsseldorf, Germany | 201-500 | Exact match | 171 contacts → |
“Transform your business DeTeWe Communications have many years of experience in delivering tailored, integrated solutions for their clients internationally 365 days a year, 24…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | S-Kon Gruppeskon.de HQ: Hamburg, GermanyReported employees: 501-1,000 | Hamburg, Germany | 501-1,000 | Exact match | 98 contacts → |
“Seit 2003 sind wir erfolgreich als Fullservice Dienstleister in der Telekommunikationsbranche tätig.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Placetelplacetel.de HQ: Cologne, GermanyReported employees: 51-200 | Cologne, Germany | 51-200 | Exact match | 64 contacts → |
“Placetel ist in Deutschland einer der führenden Anbieter von professionellen Telefonanlagen aus der Cloud und ein Dienst der Gamma Placetel GmbH.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Globalcarrier Telecom Gmbhglobalcarrier.de HQ: Schlüchtern, GermanyReported employees: 51-200 | Schlüchtern, Germany | 51-200 | Exact match | 38 contacts → |
“Globalcarrier – Ganzheitliche Lösungen aus einer Hand Die globalcarrier telecom GmbH ist mit über 90 mitarbeitenden Menschen und 6 Niederlassungen in Hessen und…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Ebuero AGebuero.de HQ: Berlin, GermanyReported employees: 201-500 | Berlin, Germany | 201-500 | Exact match | 37 contacts → |
“Das Büro der Zukunft.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Comdeskcomdesk.de HQ: Kölln-reisiek, GermanyReported employees: 11-50 | Kölln-reisiek, Germany | 11-50 | Exact match | 36 contacts → |
“comdesk ist ein deutsches Unternehmen für cloudbasierte Business-Kommunikation mit Sitz in Kölln-Reisiek.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Telesys Kommunikationstechnik Gmbhtelesys.de HQ: Breitengüßbach, GermanyReported employees: 51-200 | Breitengüßbach, Germany | 51-200 | Exact match | 30 contacts → |
“Wir sind TeleSys - communication for business Frankens größtes, herstellerunabhängiges Systemhaus.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Termath AGtermath.de HQ: Wolfsburg, GermanyReported employees: 51-200 | Wolfsburg, Germany | 51-200 | Exact match | 30 contacts → |
“Die TERMATH AG liefert maßgeschneiderte Lösungen im Bereich Kommunikationssysteme, Netzwerksysteme und Sicherheitssysteme sowie Service für Gewerbe, Industrie- und Großkunden.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | MTG Kommunikations-Technik Gmbhmtg-systemhaus.de HQ: Munich, GermanyReported employees: 51-200 | Munich, Germany | 51-200 | Exact match | 26 contacts → |
“Das MTG Systemhaus ist mit seinen 170 Mitarbeitern in München und Leipzig zuhause und bietet bundesweit umfangreiche Leistungen zu- Kommunikationstechnik - Sicherheitstechnik -…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Toplink Gmbhtoplink.de HQ: Darmstadt, GermanyReported employees: 11-50 | Darmstadt, Germany | 11-50 | Exact match | 26 contacts → |
“Cloud- und On-Premise-Lösungen - Technologie verwandelt Die toplink-Gruppe etwas genauer betrachtet: toplink GmbH - die Cloud Company Bereits 2005 vermarktet die toplink GmbH die…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | HQ: Börwang, GermanyReported employees: 51-200 | Börwang, Germany | 51-200 | Exact match | 25 contacts → |
“Die OFF Telekommunikation GmbH ist DER Partner für moderne Kommunikationslösungen.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Good Connected Gmbh & Co. KGgood-connected.de HQ: Herrsching Am Ammersee, GermanyReported employees: 11-50 | Herrsching Am Ammersee, Germany | 11-50 | Exact match | 23 contacts → |
“Wir sind speziell ausgebildete Dienstleister und Berater für Business-Telekommunikation.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Firstcom Europefirstcomeurope.de HQ: Goldbach, GermanyReported employees: 51-200 | Goldbach, Germany | 51-200 | Exact match | 21 contacts → |
“We offer advantages of modern telephone systems and cloud solutions as well as access to landline network and internet, all from one source.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Lipinski Telekom Gmbhlipinski-telekom.de HQ: Berlin, GermanyReported employees: 11-50 | Berlin, Germany | 11-50 | Exact match | 20 contacts → |
“LIPINSKI TELEKOM ist Ihr Experte für umfassende Beratung, Planung, Installation und Betreuung von vernetzten Kommunikationslösungen.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Bunsieck & Partner Gmbhbunsieck.com HQ: Greven, GermanyReported employees: 11-50 | Greven, Germany | 11-50 | Exact match | 20 contacts → |
“Wir verbinden Informationstechnologie und Telekommunikation Seit 1987 stehen wir als zuverlässiger Partner an der Seite unserer Kunden.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Sit-Solutionssit-solutions.de HQ: Adelsdorf, GermanyReported employees: 11-50 | Adelsdorf, Germany | 11-50 | Exact match | 20 contacts → |
“Your experts in information technology.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | ICN Gmbh Co. KGicn.de HQ: Dortmund, GermanyReported employees: 51-200 | Dortmund, Germany | 51-200 | Exact match | 18 contacts → |
“ICN GmbH + Co.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Inter Data Systems Gmbhidsgmbh.com HQ: Maintal, GermanyReported employees: 11-50 | Maintal, Germany | 11-50 | Exact match | 17 contacts → |
“Inter Data Systems GmbH ist ein seit 1972 auf Telekommunikation und IT spezialisiertes Technologieunternehmen.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | MBC Mobile Business Center E.Kmbc-mannheim.de HQ: Mannheim, GermanyReported employees: 11-50 | Mannheim, Germany | 11-50 | Exact match | 15 contacts → |
“MBC – DAS ITK-SYSTEMHAUS FÜR MODERNE TELEKOMMUNIKATION MBC ist eines der führenden Systemhäuser für ITK & Telekommunikation in der Metropolregion Rhein-Neckar und ist seit über 30…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Binder Systemhaus Gmbhbinder-systemhaus.de HQ: Balingen, GermanyReported employees: 11-50 | Balingen, Germany | 11-50 | Exact match | 14 contacts → |
“Systemspezialisten für IT- und Telekommunikation mit Fokus auf tiefe Integrationen individueller Geschäftsprozesse und Lösungen.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Phonekom Business Communications AGphonekom.de HQ: Friedrichsdorf, GermanyReported employees: 11-50 | Friedrichsdorf, Germany | 11-50 | Exact match | 13 contacts → |
“WIR VERBINDEN BUSINESS TEAMS!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Telenova Gmbhtelenova.de HQ: München-unterföhring, GermanyReported employees: 11-50 | München-unterföhring, Germany | 11-50 | Exact match | 13 contacts → |
“Wir verbinden Menschen – ob Local oder Global Player, vom Start-up bis zum Großkonzern.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Skytelecom Gmbhskytelecom.de HQ: Berlin, GermanyReported employees: 1-10 | Berlin, Germany | 1-10 | Exact match | 13 contacts → |
“Ob kleines Büro oder Mittelstand Unternehmen jeder Größe profitieren von unseren innovativen Kommunikationslösungen, die den unterschiedlichen Anforderungen optimal angepasst und…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | O-Byte.com Gmbh & Co. KGo-byte.com HQ: Münster, GermanyReported employees: 11-50 | Münster, Germany | 11-50 | Exact match | 12 contacts → |
“o-byte.com ist ein mittelständisches ITK-Systemhaus aus der Fahrradstadt Münster mit Standorten in Köln und Lüdenscheid.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Zenk Systempartner Gmbhzenk-systempartner.de HQ: Henstedt-ulzburg, GermanyReported employees: 11-50 | Henstedt-ulzburg, Germany | 11-50 | Exact match | 12 contacts → |
“Zenk SystemPartner GmbH ist ein Telekommunikationsunternehmen und IT-Systemhaus mit Schwerpunkt Telefonanlagen, Cloud, Alarmserver, Netzwerktechnik, Schwesternrufanlagen und…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 229 company matches
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Business telephone system providers: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
211 records in the displayed employee bands.
18 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured worldwide rather than for Germany, so it is reported there. Company counts and contact totals on this page are exact for Germany, over 229 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for business telephone system providers?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many business telephone system providers did RevenueBase find based in Germany?
The saved snapshot records 229 matching company records, 1,466 tracked contacts and 572 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 business telephone system providers based in Germany. Snapshot: November 6, 2026. https://revenuebase.ai/companies/business-telephone-system-providers/germany.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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