Top Telecoms Companies in Belgium
There are 167 telecoms companies in Belgium in our data, classified using official codes from the Belgian business register (KBO/BCE). This page breaks that total down the way a list actually gets built — by sub-industry, by location, and by company size — so you can size the addressable slice before committing budget to a campaign.
Leading telecoms companies
Ranked by employee band from verified company profiles. Belgium's business register does not publish revenue.
| # | Company | Website | Employees |
|---|---|---|---|
| 1 | Proximus Group | proximus.com | 10,000+ |
| 2 | Telenet group | telenet.be | 1,001–5,000 |
| 3 | BICS | bics.com | 501–1,000 |
| 4 | Circet Benelux | circet-benelux.eu | 1,001–5,000 |
| 5 | Citymesh | citymesh.com | 201–500 |
| 6 | VOO | voo.be | 1,001–5,000 |
| 7 | Effortel: Take your brand mobile | effortel.com | 51–200 |
| 8 | Newtec | newtec.eu | 201–500 |
| 9 | Dstny | dstny.com | 501–1,000 |
| 10 | Eurofiber Belgium | eurofiber.com | 51–200 |
| 11 | Dstny BE | dstny.be | 201–500 |
| 12 | BuyIn | buyin.pro | 201–500 |
| 13 | Fiberklaar | fiberklaar.be | 51–200 |
| 14 | European Microwave Association - EuMA | eumwa.org | 2–10 |
| 15 | Wyre | yre.be | 51–200 |
| 16 | Connect Europe | connecteurope.org | 11–50 |
| 17 | GSOA | gsoasatellite.com | 2–10 |
| 18 | Skylane Optics | skylaneoptics.com | 11–50 |
| 19 | BIPT - IBPT | bipt.be | 201–500 |
| 20 | Unit-T | unit-t.eu | 1,001–5,000 |
| 21 | Unifiber | unifiber.be | 11–50 |
| 22 | Smart Networks and Services Joint Undertaking (SNS JU) | europa.eu | 11–50 |
| 23 | Commsquare | commsquare.com | 51–200 |
| 24 | Accelleran | accelleran.com | 51–200 |
| 25 | Solutions30 Belgium | solutions30.be | 201–500 |
| 26 | Mobile Vikings | mobilevikings.be | 51–200 |
| 27 | Excentis | excentis.com | 11–50 |
| 28 | ASTRID | astrid.be | 51–200 |
| 29 | TELCOM SPRL | telcom-be.fr | 201–500 |
| 30 | Venn Telecom | venntelecom.com | 51–200 |
| 31 | N-ALLO - ENGIE GROUP | n-allo.be | 501–1,000 |
| 32 | ETIS - The Community of Telecom Professionals | etis.org | 2–10 |
| 33 | Netaxis Solutions | netaxis.be | 11–50 |
| 34 | Proximus Business | proximus.be | 10,000+ |
| 35 | Arcadiz | arcadiz.com | 11–50 |
| 36 | Telavox - Benelux/France | telavox.com | 201–500 |
| 37 | Constructel Belgium SA | constructel.be | 201–500 |
| 38 | Scarlet | scarlet.be | 51–200 |
| 39 | 6G Smart Networks and Services Industry Association | 6g-ia.eu | 2–10 |
| 40 | Datacenter United | datacenterunited.com | 51–200 |
| 41 | Option | option.com | 51–200 |
| 42 | 802 NETWORKS | 802.be | 11–50 |
| 43 | Belnet | belnet.be | 51–200 |
| 44 | A-NET | a-net.be | 51–200 |
| 45 | ATOMNIA | atomnia.com | 11–50 |
| 46 | ecta (european competitive telecommunications association) | ectaportal.com | 2–10 |
| 47 | neXat | nexat.be | 11–50 |
| 48 | Evercom | moyobi.com | 11–50 |
| 49 | Essec Group | essec.be | 51–200 |
| 50 | WKF Engineering | kfengineering.be | 11–50 |
Need the full list with verified decision-maker contacts? Book a meeting.
The largest sub-industry is wired telecommunications activities with 117 companies. That is where most telecoms outbound in Belgium gets pointed, so the tail beneath it is usually less contested and worth a separate sequence.
It concentrates in Antwerpen (8 companies), followed by Brussel, Zaventem, Sint-Jans-Molenbeek. If your reps work territories, that is the fastest way to split the list.
Telecoms by sub-industry
| Sub-industry | Companies |
|---|---|
| Wired telecommunications activities | 117 |
| Wireless telecommunications activities | 47 |
| Other telecommunications activities | 3 |
Where telecoms companies are based
| City | Companies |
|---|---|
| Antwerpen | 8 |
| Brussel | 5 |
| Zaventem | 5 |
| Sint-Jans-Molenbeek | 5 |
| Ukkel | 5 |
| Braine-le-Château | 4 |
| Machelen (Brab.) | 4 |
| Anderlecht | 4 |
| Evere | 4 |
| Waregem | 3 |
Frequently asked questions
How many telecoms companies are there in Belgium?
Our data covers 167 telecoms companies in Belgium, sourced from the Belgian business register (KBO/BCE) and refreshed continuously.
Can I get decision-maker contacts for these companies?
Yes. Every company record can be paired with verified decision-maker contacts — names, job titles, verified email addresses and direct phone numbers. Book a meeting and we will scope the list against your ICP.
How is the telecoms segment defined?
Companies are classified using the official industry code on their register entry, not keyword guesses on company names, so the segment boundary matches what the company actually registered as.