Company lists · Data refreshed September 2026

Top 25 Legacy system modernization based in Belgium

RevenueBase identified 117 company matches for legacy system modernization associated with Belgium as of September 2026 and tracks 1,232 professional contacts across them, including 269 with verified work emails. Brussels is the largest hub.

This list covers company matches for legacy system modernization associated with Belgium, 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 20, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 20, 2026 How this list was built
117Companies
1,232Contacts tracked
269Verified emails
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The 25 largest legacy system modernization based in Belgium

Ranked by team size
Top 25 of 117 company matches for legacy system modernization based in Belgium, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 20, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchLochristi, BelgiumHQ recorded Sep 20, 202651-200498 contacts →

Exact match

“We nemen moderne ondernemingen alle IT-stress rond software en infrastructuur uit handen gaande van advies, over implementatie tot onderhoud.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
2Exact matchHasselt, BelgiumHQ recorded Sep 20, 202651-20067 contacts →

Exact match

“WE FIX-IT, established in 2010, is a consulting company specializing in IT and Technical Services.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
3Exact matchBrussels, BelgiumHQ recorded Sep 20, 202651-20058 contacts →

Exact match

“Empower your business with seamless IT Modernization, fortify your future with cutting-edge Cybersecurity, and unlock potential with AI and Data-driven insights.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
4Exact matchWavre, BelgiumHQ recorded Sep 20, 202651-20044 contacts →

Exact match

“NETiKA is a global player in the IT services world recognised for its technological mastery and expertise in large-scale projects.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
5Exact matchSint-martens-latem, BelgiumHQ recorded Sep 20, 202611-5037 contacts →

Exact match

“ideeds excels in digital transformation and bridges the gap between IT and business.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
6Exact matchSint-Niklaas, BelgiumHQ recorded Sep 20, 202651-20033 contacts →

Exact match

“SDP is an IT company that has been a major player in the international market for almost 40 years.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
7Exact matchTorhout, BelgiumHQ recorded Sep 20, 202611-5029 contacts →

Exact match

“De technologie van morgen verandert vandaag al hoe bedrijven werken.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
8Exact matchBrussels, BelgiumHQ recorded Sep 20, 202651-20025 contacts →

Exact match

“For more than 25 years, ITS Group has developed a unique expertise in IT infrastructure and operations.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
9Exact matchWavre, BelgiumHQ recorded Sep 20, 202611-5019 contacts →

Exact match

“Pulsar Consulting is an Information Technology (IT) services company.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
10Exact matchBrussels, BelgiumHQ recorded Sep 20, 202611-5017 contacts →

Exact match

“BIG WATER CONSULTING (BWC), we have been helping clients deliver successful projects.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
11Exact matchKontich, BelgiumHQ recorded Sep 20, 202611-5016 contacts →

Exact match

“Anubex was a software company providing core tools, know-how, and support for complex mainframe modernization and migration projects.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
12Exact matchRoeselare, BelgiumHQ recorded Sep 20, 202611-5014 contacts →

Exact match

“Toekomstdenkers, dat is wat jouw onderneming nodig heeft om te groeien.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
13Exact matchLaarne, BelgiumHQ recorded Sep 20, 202611-5013 contacts →

Exact match

“Incrius is voor zijn klanten een IT-sparring-partner die in alles een no-nonsense en 100% result-driven aanpak hanteert.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
14Exact matchLiège, BelgiumHQ recorded Sep 20, 202611-5010 contacts →

Exact match

“LGTech se positionne comme votre partenaire de référence dans la mise en place et le suivi de solutions informatiques pour votre entreprise.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
15Exact matchWavre, BelgiumHQ recorded Sep 20, 20261-1010 contacts →

Exact match

“Chez Anderson, on rend l’IT Microsoft simple, fiable et utile au business.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
16Exact matchBrussels, BelgiumHQ recorded Sep 20, 202611-5010 contacts →

Exact match

“COSMOTE Global Solutions, as a member of OTE Group of Companies, is an ICT Systems Integrator delivering a broad range of ICT Solutions and Services.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
17Exact matchBraine-l’alleud, BelgiumHQ recorded Sep 20, 20261-108 contacts →

Exact match

“Nous sommes une équipe jeune, dynamique et passionnée, forte d’une expertise de plus de 15ans dans le secteur de l’informatique.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
18Exact matchVivegnis, BelgiumHQ recorded Sep 20, 20261-108 contacts →

Exact match

“Plus de 20 ans d’expérience digitale au cœur d’une famille Wallonne.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
19Exact matchRoeselare, BelgiumHQ recorded Sep 20, 202611-507 contacts →

Exact match

“CLEW is a full service IT provider / partner.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
20Exact matchBelgiumHQ recorded Sep 20, 20261-107 contacts →

Exact match

“Purple Orange BV is an IT consultancy company focusing on providing added value to our customer's IT systems.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
21Exact matchEsneux, BelgiumHQ recorded Sep 20, 20261-107 contacts →

Exact match

“Société de services en informatique.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
22Exact matchGenk, BelgiumHQ recorded Sep 20, 20261-106 contacts →

Exact match

“Een kwalitatieve IT-structuur essentieel is voor een gezond bedrijf.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
23Exact matchLouvain-la-neuve, BelgiumHQ recorded Sep 20, 20261-106 contacts →

Exact match

“Expertise spécialisée : Nous sommes à la pointe au niveau des nouvelles technologies informatiques qui sont en perpétuelle évolution.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
24Exact matchPaal-beringen, BelgiumHQ recorded Sep 20, 20261-106 contacts →

Exact match

“Highly skilled IT consultants with focus on network & security.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
25Exact matchKessel-lo, BelgiumHQ recorded Sep 20, 20261-104 contacts →

Exact match

“Modern tech & business solutions are often complicated and overwhelming for business owners leading them unsure about which steps they need to take to advance.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase

Showing 25 of 117 legacy system modernization based in Belgium

See the full list, filter by size, metro and specialty, and access 269 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Legacy system modernization based in Belgium at a glance

As of Sep 20, 2026
21.8%Verified-email coverage
10.5Average contacts per company
1-10Median size (employees)
9.4%Largest-city concentration · Brussels
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
86
11-50
22
51-200
6
201-500
3

Email recency for this list is measured worldwide rather than for Belgium, so it is reported there. Company counts and contact totals on this page are exact for Belgium, over 117 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 Belgium whose business descriptions match “legacy system modernization” 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 269 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 20, 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 “legacy system modernization”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many legacy system modernization are there based in Belgium?

RevenueBase identified 117 company matches for legacy system modernization associated with Belgium 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?

SDE tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most legacy system modernization?

Brussels leads with 11 company records, followed by Wavre (4) and Genk (3).

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 269 professional contacts with verified work emails tracked across these 117 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 20, 2026.

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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.