Company lists · Data refreshed September 2026

Top 25 Legacy system modernization consultants based in the Netherlands

RevenueBase identified 274 company matches for legacy system modernization consultants associated with the Netherlands as of September 2026 and tracks 5,418 professional contacts across them, including 658 with verified work emails. Amsterdam is the largest hub.

This list covers company matches for legacy system modernization consultants associated with the Netherlands, 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
274Companies
5,418Contacts tracked
658Verified emails
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The 25 largest legacy system modernization consultants based in the Netherlands

Ranked by team size
Top 25 of 274 company matches for legacy system modernization consultants based in the Netherlands, 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 matchLeerdam, NetherlandsHQ recorded Sep 20, 202651-200160 contacts →

Exact match

“If you prefer to approach your organization's IT challenges with a focus on business results rather than technology, if you're seeking a reliable partner that doesn't embark on…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
2Exact matchLeiden, NetherlandsHQ recorded Sep 20, 202651-200139 contacts →

Exact match

“FreshMinds is an IT Consultancy company with focus on Software, Data, Cloud- & Cyber Security Engineering.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
3Exact matchWognum, NetherlandsHQ recorded Sep 20, 202651-20089 contacts →

Exact match

“Bij NEXXT maken we IT tot een strategische kracht die organisaties laat groeien, innoveren en meebewegen met verandering.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
4Exact match's-hertogenbosch, NetherlandsHQ recorded Sep 20, 202611-5049 contacts →

Exact match

“Aanjager van jouw digitale revolutie In een wereld waar technologie sneller evolueert dan je koffiemachine kan bijhouden, zorgen wij ervoor dat jij wél grip houdt.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
5Exact matchDordrecht, NetherlandsHQ recorded Sep 20, 202651-20048 contacts →

Exact match

“With our Copy To Innovate approach, we rebuild your current system on a modern low-code platform.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
6Exact matchRosmalen, NetherlandsHQ recorded Sep 20, 202651-20045 contacts →

Exact match

“Ready to turn your organization into a frontrunner?”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
7Exact matchAmsterdam, NetherlandsHQ recorded Sep 20, 202651-20045 contacts →

Exact match

“Word jij weggeblazen door een bedrijf dat echt voor je klaar staat?”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
8Exact matchAmsterdam, NetherlandsHQ recorded Sep 20, 2026501-1,00029 contacts →

Exact match

“Portera orchestrates technology to help out businesses to structure and develop total digital strategy that can deliver against business objectives.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
9Exact matchAmsterdam, NetherlandsHQ recorded Sep 20, 202611-5025 contacts →

Exact match

“Welkom bij The Next Moove!”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
10Exact matchNetherlandsHQ recorded Sep 20, 202611-5025 contacts →

Exact match

“Bij DDC kennen we de kracht van informatie.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
11Exact matchAmsterdam, NetherlandsHQ recorded Sep 20, 202611-5025 contacts →

Exact match

“At It's Us we like a challenge.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
12Exact matchAmsterdam, NetherlandsHQ recorded Sep 20, 202611-5023 contacts →

Exact match

“Intigris wil haar opdrachtgevers graag helpen om haar business slimmer te maken, met IT als middel.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
13Exact matchOldenzaal, NetherlandsHQ recorded Sep 20, 202611-5020 contacts →

Exact match

“Msquad provides leading IT solutions and consultancy.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
14Exact matchDen Bosch, NetherlandsHQ recorded Sep 20, 202611-5020 contacts →

Exact match

“i³ groep helpt organisaties die willen transformeren naar een krachtige moderne digitale onderneming.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
15Exact matchNieuwegein, NetherlandsHQ recorded Sep 20, 202611-5019 contacts →

Exact match

“Bij Qstars IT draait het niet om technologie, maar om wat jij ermee kunt bereiken.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
16Exact matchUithoorn, NetherlandsHQ recorded Sep 20, 202611-5018 contacts →

Exact match

“Mica IT is uw partner voor het oplossen van uw grootste technologische uitdagingen.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
17Exact matchUtrecht, NetherlandsHQ recorded Sep 20, 2026201-50017 contacts →

Exact match

“DDG Consulting helps businesses and organizations improve their technology infrastructure and operations.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
18Exact matchCoevorden, NetherlandsHQ recorded Sep 20, 202651-20017 contacts →

Exact match

“Asysco is a leading technology provider for Legacy Transformation and offers proven, turnkey technology solutions and expertise for delivering high quality transformation and…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
19Exact matchBreda, NetherlandsHQ recorded Sep 20, 202611-5016 contacts →

Exact match

“Wij zijn ViCi Consulting.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
20Exact matchBarendrecht, NetherlandsHQ recorded Sep 20, 202611-5015 contacts →

Exact match

“2makeITwork streeft na wat de naam zegt: wij maken IT oplossingen werkend!”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
21Exact matchUden, NetherlandsHQ recorded Sep 20, 202611-5015 contacts →

Exact match

“YITT staat voor Your IT Team.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
22Exact matchVught, NetherlandsHQ recorded Sep 20, 202611-5014 contacts →

Exact match

“Are you using the power of your data?”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
23Exact matchRandstad, NetherlandsHQ recorded Sep 20, 202611-5014 contacts →

Exact match

“Twizt is een Next Level Onderneming die zich richt op business consultancy rondom Technologie, Integratie, Development & Projectmanagement.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
24Exact matchVianen, NetherlandsHQ recorded Sep 20, 202611-5014 contacts →

Exact match

“JACK.IT-consultancy is een toonaangevend adviesbureau op het gebied van informatietechnologie en digitale transformatie.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
25Exact matchHeesch, NetherlandsHQ recorded Sep 20, 202611-5012 contacts →

Exact match

“Dotcombusiness is een Managed Service Provider uit Heesch die MKB-organisaties helpt met IT die gewoon werkt.”

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

Showing 25 of 274 legacy system modernization consultants based in the Netherlands

See the full list, filter by size, metro and specialty, and access 658 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Legacy system modernization consultants based in the Netherlands at a glance

As of Sep 20, 2026
12.1%Verified-email coverage
19.8Average contacts per company
1-10Median size (employees)
9.1%Largest-city concentration · Amsterdam
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
216
11-50
40
51-200
9
201-500
3
501-1,000
2
1,001-5,000
2

Email recency for this list is measured worldwide rather than for Netherlands, so it is reported there. Company counts and contact totals on this page are exact for Netherlands, over 274 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 the Netherlands whose business descriptions match “legacy system modernization consultants” 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 658 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 consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many legacy system modernization consultants are there based in the Netherlands?

RevenueBase identified 274 company matches for legacy system modernization consultants associated with the Netherlands 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?

Transfer Solutions 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 consultants?

Amsterdam leads with 25 company records, followed by The Hague (11) and Rotterdam (9).

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 658 professional contacts with verified work emails tracked across these 274 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.

Ready to reach these companies? Verified emails and direct dials for all 274 legacy system modernization consultants based in the Netherlands. Start with a free account, no credit card.

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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.