Company lists · Data refreshed September 2026
Top 25 Telecommunication companies based in Czechia
RevenueBase identified 73 company matches for telecommunication companies associated with Czechia as of September 2026 and tracks 3,131 professional contacts across them, including 1,503 with verified work emails and 43 with mobile numbers. Brno is the largest hub.
This list covers company matches for telecommunication companies associated with Czechia, 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 September 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 telecommunication companies based in Czechia
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,807 contacts → | ||||
Exact match “T-Mobile Czech Republic, člen mezinárodní telekomunikační skupiny Deutsche Telekom, je téměř se 6,6 milionu mobilních zákazníků jedničkou na českém trhu.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 2 | 297 contacts → | ||||
Exact match “České Radiokomunikace (CRA) has been at the heart of television and radio broadcasting in the Czech Republic since 1963.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 3 | 207 contacts → | ||||
Exact match “ČD - Telematika a.s.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 4 | 80 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 5 | 56 contacts → | ||||
Exact match “InfoTel, spol.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 6 | 52 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 7 | 50 contacts → | ||||
Exact match “Akciová společnost GiTy poskytuje služby efektivní správy IT a komunikačního prostředí zákazníkům v podnikové sféře a státní správě.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 8 | 33 contacts → | ||||
Exact match “AVONET je přední poskytovatel internetových služeb ve Zlínském kraji.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 9 | 21 contacts → | ||||
Exact match “ČEZNET, s.r.o.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 10 | 16 contacts → | ||||
Exact match “INTERNEXT s.r.o.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 11 | 11 contacts → | ||||
Exact match “Vítejte na profilu společnosti ÚVT Internet s.r.o.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 12 | 10 contacts → | ||||
Exact match “MOBITEL was founded in 1995.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 13 | 9 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 14 | 8 contacts → | ||||
Exact match “Jsme telekomunikační společnost.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 15 | 7 contacts → | ||||
Exact match “Oficiální certifikovaný partner společnosti Vodafone Czech republic a.s.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 16 | 6 contacts → | ||||
Exact match “Zaměřujeme se výhradně na poskytování profesionálních služeb pro firemní zákazníky a zajišťujeme komplexní telekomunikační a IT řešení- Profesionální připojení na míru vašeho…” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 17 | 6 contacts → | ||||
Exact match “Společnost TC servis, s.r.o.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 18 | 5 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 19 | 5 contacts → | ||||
Exact match “Spolehlivý a bezpečný internet, moderní IPTV a firemní telekomunikační řešení – s osobním přístupem a lokální péčí.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 20 | 4 contacts → | ||||
Exact match “Jsme tým zkušených profesionálů s mnohaletou praxí Máme bohaté zkušenosti s výstavbou optických, metalických i bezdrátových sítí.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 21 | 4 contacts → | ||||
Exact match “Providing internet connection - Computer networks building - Network servers administration” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 22 | 3 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 23 | 3 contacts → | ||||
Exact match “Vítejte na webových stránkách společnosti Telco VNT s.r.o.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 24 | 3 contacts → | ||||
Exact match “The company ALTEL Czech s.r.o.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 25 | 2 contacts → | ||||
Exact match “Jsme dodavatelem vysokorychlostního internetu, televize v HD kvalitě a moderních telekomunikačních služeb na bázi VoIP.” Recorded in the RevenueBase company graph · Sep 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 “telecommunication companies”. 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 73 telecommunication companies based in Czechia
See the full list, filter by size, metro and specialty, and access 1,503 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Telecommunication companies based in Czechia at a glance
As of Sep 6, 2026Companies by employee count
Freshness & accuracy
How recently the business emails on this list were verified
Email last verified
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 Czechia whose business descriptions match “telecommunication companies” 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 1,503 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 September 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 “telecommunication companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many telecommunication companies are there based in Czechia?
RevenueBase identified 73 company matches for telecommunication companies associated with Czechia as of September 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?
T-Mobile Czech Republic A.S tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most telecommunication companies?
Brno leads with 8 company records, followed by Zlin (7) and Prague (7).
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 1,503 professional contacts with verified work emails tracked across these 73 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 September 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 73 telecommunication companies based in Czechia. Start with a free account, no credit card.
Download this list →Related lists
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Browse the directory
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
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- Telecommunication companies based in the United States
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Company intelligence · public preview
Top 25 telecommunication companies based in Czechia
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 73 matching company records for telecommunication companies based in Czechia, with 3,131 tracked contacts and 1,503 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: September 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 telecommunication companies based in Czechia
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 |  T-Mobile Czech Republic A.St-mobile.czHQ: Praha 4, Czech RepublicReported employees: 1,001-5,000 | Praha 4, Czech Republic | 1,001-5,000 | Exact match | 1,807 contacts → |
“T-Mobile Czech Republic, člen mezinárodní telekomunikační skupiny Deutsche Telekom, je téměř se 6,6 milionu mobilních zákazníků jedničkou na českém trhu.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  CRAcra.czHQ: Prague 6, Czech RepublicReported employees: 201-500 | Prague 6, Czech Republic | 201-500 | Exact match | 297 contacts → |
“České Radiokomunikace (CRA) has been at the heart of television and radio broadcasting in the Czech Republic since 1963.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  ČD - Telematikacdt.czHQ: Prague, Czech RepublicReported employees: 501-1,000 | Prague, Czech Republic | 501-1,000 | Exact match | 207 contacts → |
“ČD - Telematika a.s.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Poda A.Spoda.czHQ: Ostrava, Czech RepublicReported employees: 201-500 | Ostrava, Czech Republic | 201-500 | Exact match | 80 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 5 |  Infotel, Spol. S R.Oinfotel.czHQ: Brno, Czech RepublicReported employees: 201-500 | Brno, Czech Republic | 201-500 | Exact match | 56 contacts → |
“InfoTel, spol.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Suntel S.R.Osuntel-group.comHQ: Nupaky, Czech RepublicReported employees: 201-500 | Nupaky, Czech Republic | 201-500 | Exact match | 52 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 7 |  Gity, A.Sgity.czHQ: Brno, Czech RepublicReported employees: 51-200 | Brno, Czech Republic | 51-200 | Exact match | 50 contacts → |
“Akciová společnost GiTy poskytuje služby efektivní správy IT a komunikačního prostředí zákazníkům v podnikové sféře a státní správě.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Avonet, S.R.Oavonet.czHQ: Zlín, Czech RepublicReported employees: 11-50 | Zlín, Czech Republic | 11-50 | Exact match | 33 contacts → |
“AVONET je přední poskytovatel internetových služeb ve Zlínském kraji.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Čeznet S.R.Oceznet.czHQ: Liberec - Liberec Iii-jeřáb, Czech RepublicReported employees: 201-500 | Liberec - Liberec Iii-jeřáb, Czech Republic | 201-500 | Exact match | 21 contacts → |
“ČEZNET, s.r.o.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Internext 2000internext.czHQ: Zlín, Czech RepublicReported employees: 11-50 | Zlín, Czech Republic | 11-50 | Exact match | 16 contacts → |
“INTERNEXT s.r.o.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  ÚVT Internet S.R.Ouvtnet.czHQ: Jesenice - Zdiměřice, Czech RepublicReported employees: 11-50 | Jesenice - Zdiměřice, Czech Republic | 11-50 | Exact match | 11 contacts → |
“Vítejte na profilu společnosti ÚVT Internet s.r.o.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Mobitelmobitel.czHQ: Praha 13, Czech RepublicReported employees: 11-50 | Praha 13, Czech Republic | 11-50 | Exact match | 10 contacts → |
“MOBITEL was founded in 1995.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Telco PRO Services, A.Stelcoproservices.cz HQ: Prague, Czech RepublicReported employees: 11-50 | Prague, Czech Republic | 11-50 | Exact match | 9 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 14 |  Sychrovnet S.R.Osychrovnet.czHQ: Vsetín, Czech RepublicReported employees: 11-50 | Vsetín, Czech Republic | 11-50 | Exact match | 8 contacts → |
“Jsme telekomunikační společnost.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Effective Invention, S.R.Oeffectiveinvention.czHQ: Praha 10, Czech RepublicReported employees: 11-50 | Praha 10, Czech Republic | 11-50 | Exact match | 7 contacts → |
“Oficiální certifikovaný partner společnosti Vodafone Czech republic a.s.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  NGN CZ S.R.Ongn.czHQ: Prague, Czech RepublicReported employees: 11-50 | Prague, Czech Republic | 11-50 | Exact match | 6 contacts → |
“Zaměřujeme se výhradně na poskytování profesionálních služeb pro firemní zákazníky a zajišťujeme komplexní telekomunikační a IT řešení- Profesionální připojení na míru vašeho…” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  TC Servis, S.R.Otcservis.czHQ: Otrokovice, Czech RepublicReported employees: 11-50 | Otrokovice, Czech Republic | 11-50 | Exact match | 6 contacts → |
“Společnost TC servis, s.r.o.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Promutel S.R.Opromutel.czHQ: Šenov, Czech RepublicReported employees: 11-50 | Šenov, Czech Republic | 11-50 | Exact match | 5 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 19 |  jon.czjon.czHQ: Kolín Iv, Czech RepublicReported employees: 51-200 | Kolín Iv, Czech Republic | 51-200 | Exact match | 5 contacts → |
“Spolehlivý a bezpečný internet, moderní IPTV a firemní telekomunikační řešení – s osobním přístupem a lokální péčí.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Avonet Works, S.R.Oavonetworks.czHQ: Zlín, Czech RepublicReported employees: 1-10 | Zlín, Czech Republic | 1-10 | Exact match | 4 contacts → |
“Jsme tým zkušených profesionálů s mnohaletou praxí Máme bohaté zkušenosti s výstavbou optických, metalických i bezdrátových sítí.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  H-Data, Spol. S R.Ohdata.czHQ: Brno, Czech RepublicReported employees: 1-10 | Brno, Czech Republic | 1-10 | Exact match | 4 contacts → |
“Providing internet connection - Computer networks building - Network servers administration” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Zlín Net, A.Szlinnet.czHQ: Zlín, Czech RepublicReported employees: 11-50 | Zlín, Czech Republic | 11-50 | Exact match | 3 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 23 |  Telco VNT S.R.Otelco-vnt.czHQ: Vestec, Czech RepublicReported employees: 1-10 | Vestec, Czech Republic | 1-10 | Exact match | 3 contacts → |
“Vítejte na webových stránkách společnosti Telco VNT s.r.o.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Altel Czech S.R.Oaltel.czHQ: Plzeň 4, Czech RepublicReported employees: 1-10 | Plzeň 4, Czech Republic | 1-10 | Exact match | 3 contacts → |
“The company ALTEL Czech s.r.o.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Artemis NET S.R.Oartemis-liberec.czHQ: Liberec, Czech RepublicReported employees: 1-10 | Liberec, Czech Republic | 1-10 | Exact match | 2 contacts → |
“Jsme dodavatelem vysokorychlostního internetu, televize v HD kvalitě a moderních telekomunikačních služeb na bázi VoIP.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 73 company matches
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Telecommunication companies: dataset insights
September 6, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
73 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Freshness & accuracy
How recently the business emails on this list were verified
Email last verified
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.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
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: September 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 telecommunication companies?
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 telecommunication companies did RevenueBase find based in Czechia?
The saved snapshot records 73 matching company records, 3,131 tracked contacts and 1,503 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: September 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
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- Telecommunication companies based in the United States
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- Telecommunication companies based in France
- Telecommunication companies based in Germany
- Telecommunication companies based in Canada
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Browse the directory
Cite this list
RevenueBase Data Team. Top 25 telecommunication companies based in Czechia. Snapshot: September 6, 2026. https://revenuebase.ai/companies/telecommunication-companies/czechia.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
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- Lists A-Z
- New lists
- Telecommunication companies based in the United States
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Company intelligence · public preview
Top 25 telecommunication companies based in Czechia
RevenueBase records 73 matching company records for telecommunication companies based in Czechia, with 3,131 tracked contacts and 1,503 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: September 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 telecommunication companies based in Czechia
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 | T-Mobile Czech Republic A.St-mobile.cz HQ: Praha 4, Czech RepublicReported employees: 1,001-5,000 | Praha 4, Czech Republic | 1,001-5,000 | Exact match | 1,807 contacts → |
“T-Mobile Czech Republic, člen mezinárodní telekomunikační skupiny Deutsche Telekom, je téměř se 6,6 milionu mobilních zákazníků jedničkou na českém trhu.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | CRAcra.cz HQ: Prague 6, Czech RepublicReported employees: 201-500 | Prague 6, Czech Republic | 201-500 | Exact match | 297 contacts → |
“České Radiokomunikace (CRA) has been at the heart of television and radio broadcasting in the Czech Republic since 1963.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | ČD - Telematikacdt.cz HQ: Prague, Czech RepublicReported employees: 501-1,000 | Prague, Czech Republic | 501-1,000 | Exact match | 207 contacts → |
“ČD - Telematika a.s.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Poda A.Spoda.cz HQ: Ostrava, Czech RepublicReported employees: 201-500 | Ostrava, Czech Republic | 201-500 | Exact match | 80 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 5 | Infotel, Spol. S R.Oinfotel.cz HQ: Brno, Czech RepublicReported employees: 201-500 | Brno, Czech Republic | 201-500 | Exact match | 56 contacts → |
“InfoTel, spol.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Suntel S.R.Osuntel-group.com HQ: Nupaky, Czech RepublicReported employees: 201-500 | Nupaky, Czech Republic | 201-500 | Exact match | 52 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 7 | Gity, A.Sgity.cz HQ: Brno, Czech RepublicReported employees: 51-200 | Brno, Czech Republic | 51-200 | Exact match | 50 contacts → |
“Akciová společnost GiTy poskytuje služby efektivní správy IT a komunikačního prostředí zákazníkům v podnikové sféře a státní správě.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Avonet, S.R.Oavonet.cz HQ: Zlín, Czech RepublicReported employees: 11-50 | Zlín, Czech Republic | 11-50 | Exact match | 33 contacts → |
“AVONET je přední poskytovatel internetových služeb ve Zlínském kraji.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Čeznet S.R.Oceznet.cz HQ: Liberec - Liberec Iii-jeřáb, Czech RepublicReported employees: 201-500 | Liberec - Liberec Iii-jeřáb, Czech Republic | 201-500 | Exact match | 21 contacts → |
“ČEZNET, s.r.o.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Internext 2000internext.cz HQ: Zlín, Czech RepublicReported employees: 11-50 | Zlín, Czech Republic | 11-50 | Exact match | 16 contacts → |
“INTERNEXT s.r.o.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | ÚVT Internet S.R.Ouvtnet.cz HQ: Jesenice - Zdiměřice, Czech RepublicReported employees: 11-50 | Jesenice - Zdiměřice, Czech Republic | 11-50 | Exact match | 11 contacts → |
“Vítejte na profilu společnosti ÚVT Internet s.r.o.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Mobitelmobitel.cz HQ: Praha 13, Czech RepublicReported employees: 11-50 | Praha 13, Czech Republic | 11-50 | Exact match | 10 contacts → |
“MOBITEL was founded in 1995.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Telco PRO Services, A.Stelcoproservices.cz HQ: Prague, Czech RepublicReported employees: 11-50 | Prague, Czech Republic | 11-50 | Exact match | 9 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 14 | Sychrovnet S.R.Osychrovnet.cz HQ: Vsetín, Czech RepublicReported employees: 11-50 | Vsetín, Czech Republic | 11-50 | Exact match | 8 contacts → |
“Jsme telekomunikační společnost.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Effective Invention, S.R.Oeffectiveinvention.cz HQ: Praha 10, Czech RepublicReported employees: 11-50 | Praha 10, Czech Republic | 11-50 | Exact match | 7 contacts → |
“Oficiální certifikovaný partner společnosti Vodafone Czech republic a.s.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | NGN CZ S.R.Ongn.cz HQ: Prague, Czech RepublicReported employees: 11-50 | Prague, Czech Republic | 11-50 | Exact match | 6 contacts → |
“Zaměřujeme se výhradně na poskytování profesionálních služeb pro firemní zákazníky a zajišťujeme komplexní telekomunikační a IT řešení- Profesionální připojení na míru vašeho…” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | TC Servis, S.R.Otcservis.cz HQ: Otrokovice, Czech RepublicReported employees: 11-50 | Otrokovice, Czech Republic | 11-50 | Exact match | 6 contacts → |
“Společnost TC servis, s.r.o.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Promutel S.R.Opromutel.cz HQ: Šenov, Czech RepublicReported employees: 11-50 | Šenov, Czech Republic | 11-50 | Exact match | 5 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 19 | jon.czjon.cz HQ: Kolín Iv, Czech RepublicReported employees: 51-200 | Kolín Iv, Czech Republic | 51-200 | Exact match | 5 contacts → |
“Spolehlivý a bezpečný internet, moderní IPTV a firemní telekomunikační řešení – s osobním přístupem a lokální péčí.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Avonet Works, S.R.Oavonetworks.cz HQ: Zlín, Czech RepublicReported employees: 1-10 | Zlín, Czech Republic | 1-10 | Exact match | 4 contacts → |
“Jsme tým zkušených profesionálů s mnohaletou praxí Máme bohaté zkušenosti s výstavbou optických, metalických i bezdrátových sítí.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | H-Data, Spol. S R.Ohdata.cz HQ: Brno, Czech RepublicReported employees: 1-10 | Brno, Czech Republic | 1-10 | Exact match | 4 contacts → |
“Providing internet connection - Computer networks building - Network servers administration” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Zlín Net, A.Szlinnet.cz HQ: Zlín, Czech RepublicReported employees: 11-50 | Zlín, Czech Republic | 11-50 | Exact match | 3 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 23 | Telco VNT S.R.Otelco-vnt.cz HQ: Vestec, Czech RepublicReported employees: 1-10 | Vestec, Czech Republic | 1-10 | Exact match | 3 contacts → |
“Vítejte na webových stránkách společnosti Telco VNT s.r.o.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Altel Czech S.R.Oaltel.cz HQ: Plzeň 4, Czech RepublicReported employees: 1-10 | Plzeň 4, Czech Republic | 1-10 | Exact match | 3 contacts → |
“The company ALTEL Czech s.r.o.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Artemis NET S.R.Oartemis-liberec.cz HQ: Liberec, Czech RepublicReported employees: 1-10 | Liberec, Czech Republic | 1-10 | Exact match | 2 contacts → |
“Jsme dodavatelem vysokorychlostního internetu, televize v HD kvalitě a moderních telekomunikačních služeb na bázi VoIP.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 73 company matches
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Telecommunication companies: dataset insights
September 6, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
73 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Freshness & accuracy
How recently the business emails on this list were verified
Email last verified
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.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
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: September 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 telecommunication companies?
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 telecommunication companies did RevenueBase find based in Czechia?
The saved snapshot records 73 matching company records, 3,131 tracked contacts and 1,503 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: September 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 telecommunication companies based in Czechia. Snapshot: September 6, 2026. https://revenuebase.ai/companies/telecommunication-companies/czechia.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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