Telecom & Internet companies in Belgium
Looking for Telecom & Internet companies in Belgium? LeadSetu tracks 503 of them across Belgium, with a business email for 55% and a phone number for 97%. For 74 we also hold named people, including decision makers at 44.
Most of them are based in Bruxelles (27), Antwerpen (27), Gent (17). By sub-industry, Telecom operators leads with 325 companies, followed by Internet service providers (147).
Sign in to filter them by city, size and sub-industry, see who runs each company and build a list you can export or work in the CRM.
Top cities
By sub-industry
Contact coverage
Sample Telecom & Internet companies in Belgium
| Company | Contacts |
|---|---|
| Kappa Data | Contacts after login |
| Tel&co | Contacts after login |
| Telsmart | Contacts after login |
| Faktion | Contacts after login |
| Ipnexia Nv/sa | Contacts after login |
| Aditco It & Telefonie | Contacts after login |
| Proximus | Contacts after login |
| Newtec | Contacts after login |
A few of the 503 companies. Decision makers, emails and phones are shown to signed-in customers only.
Get the full list with contacts
Decision makers, business emails and phone numbers for Telecom & Internet companies in Belgium are available to signed-in customers. Tell us what you need and we will send a quote within one working day.
Telecom & Internet in other countries
- United States13,009
- Brazil7,631
- Germany6,202
- United Kingdom6,096
- Spain3,790
- Italy3,182
- India3,093
- France2,019
- Canada1,788
- Poland1,762
- Mexico1,686
- The Netherlands1,459
Other sectors in Belgium
- Real Estate & Construction12,839
- Healthcare12,074
- IT & Software8,787
- Automotive5,926
- Education5,074
- Professional & Business Services4,828
- Manufacturing & Industrial3,657
- Media & Entertainment3,278
- Finance & Insurance2,769
- Marketing & Advertising2,058
- Agriculture1,799
- Logistics & Transport1,254
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Counts are worked out from public company websites and official registers and refreshed regularly (last update 5 Nov 2026). A company is counted once, in the city and state of its main address.