Company lists · Data refreshed September 2026

Top 25 Legacy system modernization based in Poland

RevenueBase identified 178 company matches for legacy system modernization associated with Poland as of September 2026 and tracks 2,095 professional contacts across them, including 814 with verified work emails. Warsaw is the largest hub.

This list covers company matches for legacy system modernization associated with Poland, 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
178Companies
2,095Contacts tracked
814Verified emails
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The 25 largest legacy system modernization based in Poland

Ranked by team size
Top 25 of 178 company matches for legacy system modernization based in Poland, 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 matchKraków, PolandHQ recorded Sep 20, 2026501-1,000223 contacts →

Exact match

“itWORKS is an IT company which addresses its offer to IT and business departments.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
2Exact matchGliwice, PolandHQ recorded Sep 20, 2026201-500208 contacts →

Exact match

“SOFTIQ is driven by a combination of experience, knowledge, cutting edge technologies and.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
3Exact matchWarsaw, PolandHQ recorded Sep 20, 2026201-500154 contacts →

Exact match

“Jesteśmy zespołem ekspertów specjalizującym się w projektowaniu, wdrażaniu oraz zarządzaniu zaawansowanych technicznie rozwiązań IT.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
4Exact matchWarsaw, PolandHQ recorded Sep 20, 202651-20092 contacts →

Exact match

“IT Solution Factor to polska spółka informatyczna założona w 2017 roku.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
5Exact matchPoznań, PolandHQ recorded Sep 20, 202611-5077 contacts →

Exact match

“At Opennet we are all professionals.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
6Exact matchWarsaw, PolandHQ recorded Sep 20, 2026201-50061 contacts →

Exact match

“ICT to Polska spółka wdrażająca, realizująca i serwisująca innowacyjne rozwiązania dla biznesu.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
7Exact matchWroclaw, PolandHQ recorded Sep 20, 202651-20060 contacts →

Exact match

“We are a leading IT company and consulting firm dedicated to delivering innovative solutions and strategic guidance for businesses navigating the digital landscape.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
8Exact matchStalowa Wola, PolandHQ recorded Sep 20, 202651-20048 contacts →

Exact match

“I-BS.pl Sp.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
9Exact matchKraków, PolandHQ recorded Sep 20, 202611-5046 contacts →

Exact match

“We make your Apps work!” To priorytet najważniejszy w naszej działalności.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
10Exact matchBiałystok, PolandHQ recorded Sep 20, 202611-5038 contacts →

Exact match

“For 28 years Intratel has been integrating IT solutions, combining engineering knowledge with professional IT strategy consultancy.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
11Exact matchWarsaw, PolandHQ recorded Sep 20, 202611-5035 contacts →

Exact match

“BizTech Konsulting SA, established in May 2004, is a company offering IT services.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
12Exact matchPoznań, PolandHQ recorded Sep 20, 202611-5033 contacts →

Exact match

“Projektujemy odpowiedzialną infrastrukturę IT dla firm, w których sieć, bezpieczeństwo i ciągłość działania są krytyczne dla biznesu.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
13Exact matchPoznań, PolandHQ recorded Sep 20, 202611-5029 contacts →

Exact match

“Pomożemy Twojej organizacji zbudować bezpieczną infrastrukturę IT, odporną na zagrożenia cybernetyczne.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
14Exact matchWarsaw, PolandHQ recorded Sep 20, 202651-20027 contacts →

Exact match

“Grupa Vector Software Sp.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
15Exact matchWarsaw, PolandHQ recorded Sep 20, 202611-5027 contacts →

Exact match

“3Q oznacza Quick, Quality & Quest i są to wartości które nas charakteryzują stanowiąc DNA naszej firmy.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
16Exact matchWarsaw, PolandHQ recorded Sep 20, 202611-5022 contacts →

Exact match

“IT Outsourcing, systems management, business systems deployment,"green field" IT services projects, IT security projects, IS Audits and Consulting.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
17Exact matchGdańsk, PolandHQ recorded Sep 20, 202611-5020 contacts →

Exact match

“Jesteśmy dynamicznie rozwijająca się firma informatyczną, specjalizującą się w dostarczaniu kompleksowych rozwiązań IT.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
18Exact matchRzeszów, PolandHQ recorded Sep 20, 202611-5019 contacts →

Exact match

“Info-Projekt IT Sp.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
19Exact matchPolandHQ recorded Sep 20, 202611-5018 contacts →

Exact match

“Jesteśmy doświadczoną firmą, projektującą i wdrażającą nowoczesne systemy informatyczne.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
20Exact matchWarsaw, PolandHQ recorded Sep 20, 202651-20018 contacts →

Exact match

“Symmetry is a digital transformation, IT integration and software development company that delivers cutting- edge solutions.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
21Exact matchBydgoszcz, PolandHQ recorded Sep 20, 202611-5018 contacts →

Exact match

“LOCO rozpoczęło swoją działalność w 1998 roku.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
22Exact matchGdynia, PolandHQ recorded Sep 20, 202611-5017 contacts →

Exact match

“Monolit IT is an experienced company in the integration of IT systems.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
23Exact matchŁódź, PolandHQ recorded Sep 20, 202611-5015 contacts →

Exact match

“Qlos is a team of experienced Administrators whose main focus is on improving your IT infrastructure.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
24Exact matchGdańsk, PolandHQ recorded Sep 20, 20261-1015 contacts →

Exact match

“W Digital Development jesteśmy technologicznym wsparciem dla firm, dostosowując rozwiązania do ich celów i zasobów.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
25Exact matchBielany Wrocławskie, PolandHQ recorded Sep 20, 202611-5015 contacts →

Exact match

“At SmarTech IT, we bring together a team of seasoned experts passionate about delivering innovative IT services and solutions.”

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

Showing 25 of 178 legacy system modernization based in Poland

See the full list, filter by size, metro and specialty, and access 814 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Legacy system modernization based in Poland at a glance

As of Sep 20, 2026
38.9%Verified-email coverage
11.8Average contacts per company
11-50Median size (employees)
28.7%Largest-city concentration · Warsaw
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
86
11-50
78
51-200
8
201-500
4
501-1,000
1

Email recency for this list is measured worldwide rather than for Poland, so it is reported there. Company counts and contact totals on this page are exact for Poland, over 178 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 Poland 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 814 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 Poland?

RevenueBase identified 178 company matches for legacy system modernization associated with Poland 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?

Euvic IT SA 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?

Warsaw leads with 51 company records, followed by Krakow (14) and Poznan (12).

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 814 professional contacts with verified work emails tracked across these 178 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.