Company lists · Data refreshed September 2026
Top 25 Legacy system modernization firms based in Warsaw, Poland
RevenueBase identified 79 company matches for legacy system modernization firms associated with Warsaw, Poland as of September 2026 and tracks 12,307 professional contacts across them, including 5,973 with verified work emails. Across Poland, Warsaw is the largest hub for this category.
This list covers company matches for legacy system modernization firms associated with Warsaw, 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.
The 25 largest legacy system modernization firms based in Warsaw, Poland
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 5,519 contacts → | ||||
Exact match “With over 7 500 Power People, Sii is Poland’s #1 partner for technology consulting, AI-driven digital transformation, engineering, and business services, empowering companies to…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 2 | 3,628 contacts → | ||||
Exact match “Andersen – your global software development partner Andersen is a global software development company with over 18 years of experience supporting businesses worldwide in their…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 3 | 639 contacts → | ||||
Exact match “With 18+ years of elite software development expertise, we've established ourselves as a leading European IT consultancy specializing in analytics-powered digital transformation.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 4 | 567 contacts → | ||||
Exact match “W Sygnity już od 30 lat wspieramy biznes i państwo w cyfrowej transformacji, pracując dla największych firm i najważniejszych instytucji publicznych w Polsce.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 5 | 279 contacts → | ||||
Exact match “12+ years of custom software development centered on client satisfaction.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 6 | 161 contacts → | ||||
Exact match “Pretius is a software development company that specializes in crafting custom software solutions and delivering tangible business value.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 7 | 127 contacts → | ||||
Exact match “e-point is one of Poland’s top tech companies.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 8 | 110 contacts → | ||||
Exact match “INNERGO to dostawca i integrator rozwiązań wspierających cyfrową transformację Twojej organizacji.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 9 | 84 contacts → | ||||
Exact match “Algoteque is a strategic IT delivery partner supporting organizations in scaling engineering teams and modernizing platforms, with a strong focus on stability, quality, and…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 10 | 79 contacts → | ||||
Exact match “Onex Group is a global, certified Microsoft partner.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 11 | 77 contacts → | ||||
Exact match “We have proven many times that the project implemented by our team requires less time and significantly less investment compared to the competition.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 12 | 60 contacts → | ||||
Exact match “We specialize in two areas: digital transformation and project rescue.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 13 | 47 contacts → | ||||
Exact match “Startup House is an end-to-end digital & AI transformation partner for enterprises.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 14 | 41 contacts → | ||||
Exact match “Jesteśmy zespołem inżynierów z zacięciem biznesowym.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 15 | 41 contacts → | ||||
Exact match “Devapo is a company that will automate your business processes and modernize your approach to business with the best technology and consultancy on the market.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 16 | 37 contacts → | ||||
Exact match “DYNEVO GROUP is a reputable IT solutions provider that enhances the efficiency, productivity, and security of your business.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 17 | 33 contacts → | ||||
Exact match “Sorigo cooperates with organizations that base their business growth on agile digital transformations.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 18 | 30 contacts → | ||||
Exact match “ENG Creating an inspiring place to thrive for the talented, we use their expertise and courage to introduce the technology of the future into your business- This is the foundation…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 19 | 27 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 | |||||
| 20 | 19 contacts → | ||||
Exact match “WE DELIVER BEST SOLUTIONS - DAT Computer Concepts is Digital Business Transformation consulting company.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 21 | 18 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 | |||||
| 22 | 17 contacts → | ||||
Exact match “With a decade of expertise in custom software development and digital transformation, SDD Technology is a trailblazer in empowering businesses worldwide.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 23 | 16 contacts → | ||||
Exact match “We help companies scale, compete effectively and improve their financial results by providing them with strategic technological consulting services, technological tools and IT…” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 24 | 15 contacts → | ||||
Exact match “About us Analysts, architects, programmers, testers, graphic designers and project managers all work for our customers' success.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
| 25 | 15 contacts → | ||||
Exact match “Cloud | DevOps | Azure | AWS | GitHub | AI Empowering businesses to thrive through cutting-edge technology.” Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “legacy system modernization firms”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 79 legacy system modernization firms based in Warsaw, Poland
See the full list, filter by size, metro and specialty, and access 5,973 tracked professional contacts with verified work emails. Direct dials are available where recorded.
Free signup · no credit card
Legacy system modernization firms based in Warsaw, Poland at a glance
As of Sep 20, 2026Companies by employee count
Email recency for this list is measured across the whole Poland list rather than for Warsaw, so it is reported there. Company counts and contact totals on this page are exact for Warsaw.
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 Warsaw, Poland whose business descriptions match “legacy system modernization firms” 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 5,973 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 firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many legacy system modernization firms are there based in Warsaw, Poland?
RevenueBase identified 79 company matches for legacy system modernization firms associated with Warsaw, 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?
SII Poland tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city in Poland has the most legacy system modernization firms?
Warsaw leads Poland with 79 company records, followed by Wroclaw (26) and Krakow (17).
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 5,973 professional contacts with verified work emails tracked across these 79 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 79 legacy system modernization firms based in Warsaw, Poland. Start with a free account, no credit card.
Download this list →Related lists
Legacy system modernization firms by geography
- Legacy system modernization firms based in Buenos Aires, Argentina
- Legacy system modernization firms based in Brisbane, Australia
- Legacy system modernization firms based in Melbourne, Australia
- Legacy system modernization firms based in Perth, Australia
- Legacy system modernization firms based in Sydney, Australia
- Legacy system modernization firms based in Dhaka, Bangladesh
- Legacy system modernization firms based in Barueri, Brazil
- Legacy system modernization firms based in Belo Horizonte, Brazil
- Legacy system modernization firms based in Campinas, Brazil
- Legacy system modernization firms based in Curitiba, Brazil
- Legacy system modernization firms based in Rio De Janeiro, Brazil
- Legacy system modernization firms based in Sao Paulo, Brazil
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Legacy system modernization firms based in Buenos Aires, Argentina
- Legacy system modernization firms based in Brisbane, Australia
- Legacy system modernization firms based in Melbourne, Australia
- Legacy system modernization firms based in Perth, Australia
- Legacy system modernization firms based in Sydney, Australia
- Legacy system modernization firms based in Dhaka, Bangladesh
Company intelligence · public preview
Top 25 legacy system modernization firms based in Warsaw, Poland
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 79 matching company records for legacy system modernization firms based in Warsaw, Poland, with 12,307 tracked contacts and 5,973 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 20, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 legacy system modernization firms based in Warsaw, Poland
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  SII Polandsii.plHQ: Warsaw, PolandReported employees: 5,001-10,000 | Warsaw, Poland | 5,001-10,000 | Exact match | 5,519 contacts → |
“With over 7 500 Power People, Sii is Poland’s #1 partner for technology consulting, AI-driven digital transformation, engineering, and business services, empowering companies to…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Andersen LABandersenlab.comHQ: Warsaw, PolandReported employees: 1,001-5,000 | Warsaw, Poland | 1,001-5,000 | Exact match | 3,628 contacts → |
“Andersen – your global software development partner Andersen is a global software development company with over 18 years of experience supporting businesses worldwide in their…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Britenetbritenet.euHQ: Warsaw, PolandReported employees: 1,001-5,000 | Warsaw, Poland | 1,001-5,000 | Exact match | 639 contacts → |
“With 18+ years of elite software development expertise, we've established ourselves as a leading European IT consultancy specializing in analytics-powered digital transformation.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Sygnity S.Asygnity.plHQ: Warsaw, PolandReported employees: 1,001-5,000 | Warsaw, Poland | 1,001-5,000 | Exact match | 567 contacts → |
“W Sygnity już od 30 lat wspieramy biznes i państwo w cyfrowej transformacji, pracując dla największych firm i najważniejszych instytucji publicznych w Polsce.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  The Software Housetsh.ioHQ: Warsaw, PolandReported employees: 201-500 | Warsaw, Poland | 201-500 | Exact match | 279 contacts → |
“12+ years of custom software development centered on client satisfaction.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Pretiuspretius.comHQ: Warsaw, PolandReported employees: 51-200 | Warsaw, Poland | 51-200 | Exact match | 161 contacts → |
“Pretius is a software development company that specializes in crafting custom software solutions and delivering tangible business value.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  E-Pointe-point.comHQ: Warsaw, PolandReported employees: 51-200 | Warsaw, Poland | 51-200 | Exact match | 127 contacts → |
“e-point is one of Poland’s top tech companies.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Innergoinnergo.comHQ: Warsaw, PolandReported employees: 51-200 | Warsaw, Poland | 51-200 | Exact match | 110 contacts → |
“INNERGO to dostawca i integrator rozwiązań wspierających cyfrową transformację Twojej organizacji.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Algoteque Innovation HUBalgoteque.comHQ: Warsaw, PolandReported employees: 201-500 | Warsaw, Poland | 201-500 | Exact match | 84 contacts → |
“Algoteque is a strategic IT delivery partner supporting organizations in scaling engineering teams and modernizing platforms, with a strong focus on stability, quality, and…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Onex Grouponex.groupHQ: Warsaw, PolandReported employees: 51-200 | Warsaw, Poland | 51-200 | Exact match | 79 contacts → |
“Onex Group is a global, certified Microsoft partner.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  7bulls.com7bulls.comHQ: Warsaw, PolandReported employees: 51-200 | Warsaw, Poland | 51-200 | Exact match | 77 contacts → |
“We have proven many times that the project implemented by our team requires less time and significantly less investment compared to the competition.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  IT Squaditsquad.plHQ: Warsaw, PolandReported employees: 51-200 | Warsaw, Poland | 51-200 | Exact match | 60 contacts → |
“We specialize in two areas: digital transformation and project rescue.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Startup Housestartup-house.comHQ: Warsaw, PolandReported employees: 51-200 | Warsaw, Poland | 51-200 | Exact match | 47 contacts → |
“Startup House is an end-to-end digital & AI transformation partner for enterprises.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Nexpertisnexpertis.plHQ: Warsaw, PolandReported employees: 51-200 | Warsaw, Poland | 51-200 | Exact match | 41 contacts → |
“Jesteśmy zespołem inżynierów z zacięciem biznesowym.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Devapodevapo.ioHQ: Warsaw, PolandReported employees: 51-200 | Warsaw, Poland | 51-200 | Exact match | 41 contacts → |
“Devapo is a company that will automate your business processes and modernize your approach to business with the best technology and consultancy on the market.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Dynevodynevo.orgHQ: Warsaw, PolandReported employees: 11-50 | Warsaw, Poland | 11-50 | Exact match | 37 contacts → |
“DYNEVO GROUP is a reputable IT solutions provider that enhances the efficiency, productivity, and security of your business.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Sorigosorigo.plHQ: Warsaw, PolandReported employees: 51-200 | Warsaw, Poland | 51-200 | Exact match | 33 contacts → |
“Sorigo cooperates with organizations that base their business growth on agile digital transformations.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Mindbox SAmindboxgroup.com HQ: Warsaw, PolandReported employees: 201-500 | Warsaw, Poland | 201-500 | Exact match | 30 contacts → |
“ENG Creating an inspiring place to thrive for the talented, we use their expertise and courage to introduce the technology of the future into your business- This is the foundation…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  3qcode3qcode.comHQ: Warsaw, PolandReported employees: 11-50 | Warsaw, Poland | 11-50 | Exact match | 27 contacts → |
“3Q oznacza Quick, Quality & Quest i są to wartości które nas charakteryzują stanowiąc DNA naszej firmy.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  DAT Computer Conceptsdatcc.plHQ: Warsaw, PolandReported employees: 11-50 | Warsaw, Poland | 11-50 | Exact match | 19 contacts → |
“WE DELIVER BEST SOLUTIONS - DAT Computer Concepts is Digital Business Transformation consulting company.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Symmetry Sp. Z O.Osymmetry.plHQ: Warsaw, PolandReported employees: 51-200 | Warsaw, Poland | 51-200 | Exact match | 18 contacts → |
“Symmetry is a digital transformation, IT integration and software development company that delivers cutting- edge solutions.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  SDD Technologysdd-technology.comHQ: Warsaw, PolandReported employees: 51-200 | Warsaw, Poland | 51-200 | Exact match | 17 contacts → |
“With a decade of expertise in custom software development and digital transformation, SDD Technology is a trailblazer in empowering businesses worldwide.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Engaveengave.plHQ: Warsaw, PolandReported employees: 11-50 | Warsaw, Poland | 11-50 | Exact match | 16 contacts → |
“We help companies scale, compete effectively and improve their financial results by providing them with strategic technological consulting services, technological tools and IT…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Sygnisoft Sp. Z O.Osygnisoft.comHQ: Warsaw, PolandReported employees: 11-50 | Warsaw, Poland | 11-50 | Exact match | 15 contacts → |
“About us Analysts, architects, programmers, testers, graphic designers and project managers all work for our customers' success.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Trek2summittrek2summit.comHQ: Warsaw, PolandReported employees: 11-50 | Warsaw, Poland | 11-50 | Exact match | 15 contacts → |
“Cloud | DevOps | Azure | AWS | GitHub | AI Empowering businesses to thrive through cutting-edge technology.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 79 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Legacy system modernization firms: dataset insights
September 20, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
79 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole Poland list rather than for Warsaw, so it is reported there. Company counts and contact totals on this page are exact for Warsaw.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 20, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for legacy system modernization firms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many legacy system modernization firms did RevenueBase find based in Warsaw, Poland?
The saved snapshot records 79 matching company records, 12,307 tracked contacts and 5,973 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 20, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Legacy system modernization firms by geography
- Legacy system modernization firms based in Buenos Aires, Argentina
- Legacy system modernization firms based in Brisbane, Australia
- Legacy system modernization firms based in Melbourne, Australia
- Legacy system modernization firms based in Perth, Australia
- Legacy system modernization firms based in Sydney, Australia
- Legacy system modernization firms based in Dhaka, Bangladesh
- Legacy system modernization firms based in Barueri, Brazil
- Legacy system modernization firms based in Belo Horizonte, Brazil
- Legacy system modernization firms based in Campinas, Brazil
- Legacy system modernization firms based in Curitiba, Brazil
- Legacy system modernization firms based in Rio De Janeiro, Brazil
- Legacy system modernization firms based in Sao Paulo, Brazil
Cite this list
RevenueBase Data Team. Top 25 legacy system modernization firms based in Warsaw, Poland. Snapshot: September 20, 2026. https://revenuebase.ai/companies/legacy-system-modernization-firms/poland/warsaw.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Legacy system modernization firms based in Buenos Aires, Argentina
- Legacy system modernization firms based in Brisbane, Australia
- Legacy system modernization firms based in Melbourne, Australia
- Legacy system modernization firms based in Perth, Australia
- Legacy system modernization firms based in Sydney, Australia
- Legacy system modernization firms based in Dhaka, Bangladesh
Company intelligence · public preview
Top 25 legacy system modernization firms based in Warsaw, Poland
RevenueBase records 79 matching company records for legacy system modernization firms based in Warsaw, Poland, with 12,307 tracked contacts and 5,973 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 20, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 legacy system modernization firms based in Warsaw, Poland
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | SII Polandsii.pl HQ: Warsaw, PolandReported employees: 5,001-10,000 | Warsaw, Poland | 5,001-10,000 | Exact match | 5,519 contacts → |
“With over 7 500 Power People, Sii is Poland’s #1 partner for technology consulting, AI-driven digital transformation, engineering, and business services, empowering companies to…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Andersen LABandersenlab.com HQ: Warsaw, PolandReported employees: 1,001-5,000 | Warsaw, Poland | 1,001-5,000 | Exact match | 3,628 contacts → |
“Andersen – your global software development partner Andersen is a global software development company with over 18 years of experience supporting businesses worldwide in their…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Britenetbritenet.eu HQ: Warsaw, PolandReported employees: 1,001-5,000 | Warsaw, Poland | 1,001-5,000 | Exact match | 639 contacts → |
“With 18+ years of elite software development expertise, we've established ourselves as a leading European IT consultancy specializing in analytics-powered digital transformation.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Sygnity S.Asygnity.pl HQ: Warsaw, PolandReported employees: 1,001-5,000 | Warsaw, Poland | 1,001-5,000 | Exact match | 567 contacts → |
“W Sygnity już od 30 lat wspieramy biznes i państwo w cyfrowej transformacji, pracując dla największych firm i najważniejszych instytucji publicznych w Polsce.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | The Software Housetsh.io HQ: Warsaw, PolandReported employees: 201-500 | Warsaw, Poland | 201-500 | Exact match | 279 contacts → |
“12+ years of custom software development centered on client satisfaction.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Pretiuspretius.com HQ: Warsaw, PolandReported employees: 51-200 | Warsaw, Poland | 51-200 | Exact match | 161 contacts → |
“Pretius is a software development company that specializes in crafting custom software solutions and delivering tangible business value.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | E-Pointe-point.com HQ: Warsaw, PolandReported employees: 51-200 | Warsaw, Poland | 51-200 | Exact match | 127 contacts → |
“e-point is one of Poland’s top tech companies.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Innergoinnergo.com HQ: Warsaw, PolandReported employees: 51-200 | Warsaw, Poland | 51-200 | Exact match | 110 contacts → |
“INNERGO to dostawca i integrator rozwiązań wspierających cyfrową transformację Twojej organizacji.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Algoteque Innovation HUBalgoteque.com HQ: Warsaw, PolandReported employees: 201-500 | Warsaw, Poland | 201-500 | Exact match | 84 contacts → |
“Algoteque is a strategic IT delivery partner supporting organizations in scaling engineering teams and modernizing platforms, with a strong focus on stability, quality, and…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Onex Grouponex.group HQ: Warsaw, PolandReported employees: 51-200 | Warsaw, Poland | 51-200 | Exact match | 79 contacts → |
“Onex Group is a global, certified Microsoft partner.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | 7bulls.com7bulls.com HQ: Warsaw, PolandReported employees: 51-200 | Warsaw, Poland | 51-200 | Exact match | 77 contacts → |
“We have proven many times that the project implemented by our team requires less time and significantly less investment compared to the competition.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | IT Squaditsquad.pl HQ: Warsaw, PolandReported employees: 51-200 | Warsaw, Poland | 51-200 | Exact match | 60 contacts → |
“We specialize in two areas: digital transformation and project rescue.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Startup Housestartup-house.com HQ: Warsaw, PolandReported employees: 51-200 | Warsaw, Poland | 51-200 | Exact match | 47 contacts → |
“Startup House is an end-to-end digital & AI transformation partner for enterprises.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Nexpertisnexpertis.pl HQ: Warsaw, PolandReported employees: 51-200 | Warsaw, Poland | 51-200 | Exact match | 41 contacts → |
“Jesteśmy zespołem inżynierów z zacięciem biznesowym.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Devapodevapo.io HQ: Warsaw, PolandReported employees: 51-200 | Warsaw, Poland | 51-200 | Exact match | 41 contacts → |
“Devapo is a company that will automate your business processes and modernize your approach to business with the best technology and consultancy on the market.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Dynevodynevo.org HQ: Warsaw, PolandReported employees: 11-50 | Warsaw, Poland | 11-50 | Exact match | 37 contacts → |
“DYNEVO GROUP is a reputable IT solutions provider that enhances the efficiency, productivity, and security of your business.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Sorigosorigo.pl HQ: Warsaw, PolandReported employees: 51-200 | Warsaw, Poland | 51-200 | Exact match | 33 contacts → |
“Sorigo cooperates with organizations that base their business growth on agile digital transformations.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Mindbox SAmindboxgroup.com HQ: Warsaw, PolandReported employees: 201-500 | Warsaw, Poland | 201-500 | Exact match | 30 contacts → |
“ENG Creating an inspiring place to thrive for the talented, we use their expertise and courage to introduce the technology of the future into your business- This is the foundation…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | 3qcode3qcode.com HQ: Warsaw, PolandReported employees: 11-50 | Warsaw, Poland | 11-50 | Exact match | 27 contacts → |
“3Q oznacza Quick, Quality & Quest i są to wartości które nas charakteryzują stanowiąc DNA naszej firmy.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | DAT Computer Conceptsdatcc.pl HQ: Warsaw, PolandReported employees: 11-50 | Warsaw, Poland | 11-50 | Exact match | 19 contacts → |
“WE DELIVER BEST SOLUTIONS - DAT Computer Concepts is Digital Business Transformation consulting company.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Symmetry Sp. Z O.Osymmetry.pl HQ: Warsaw, PolandReported employees: 51-200 | Warsaw, Poland | 51-200 | Exact match | 18 contacts → |
“Symmetry is a digital transformation, IT integration and software development company that delivers cutting- edge solutions.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | SDD Technologysdd-technology.com HQ: Warsaw, PolandReported employees: 51-200 | Warsaw, Poland | 51-200 | Exact match | 17 contacts → |
“With a decade of expertise in custom software development and digital transformation, SDD Technology is a trailblazer in empowering businesses worldwide.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Engaveengave.pl HQ: Warsaw, PolandReported employees: 11-50 | Warsaw, Poland | 11-50 | Exact match | 16 contacts → |
“We help companies scale, compete effectively and improve their financial results by providing them with strategic technological consulting services, technological tools and IT…” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Sygnisoft Sp. Z O.Osygnisoft.com HQ: Warsaw, PolandReported employees: 11-50 | Warsaw, Poland | 11-50 | Exact match | 15 contacts → |
“About us Analysts, architects, programmers, testers, graphic designers and project managers all work for our customers' success.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Trek2summittrek2summit.com HQ: Warsaw, PolandReported employees: 11-50 | Warsaw, Poland | 11-50 | Exact match | 15 contacts → |
“Cloud | DevOps | Azure | AWS | GitHub | AI Empowering businesses to thrive through cutting-edge technology.” Recorded description excerpt · September 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 79 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Legacy system modernization firms: dataset insights
September 20, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
79 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole Poland list rather than for Warsaw, so it is reported there. Company counts and contact totals on this page are exact for Warsaw.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 20, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for legacy system modernization firms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many legacy system modernization firms did RevenueBase find based in Warsaw, Poland?
The saved snapshot records 79 matching company records, 12,307 tracked contacts and 5,973 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 20, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Legacy system modernization firms by geography
- Legacy system modernization firms based in Buenos Aires, Argentina
- Legacy system modernization firms based in Brisbane, Australia
- Legacy system modernization firms based in Melbourne, Australia
- Legacy system modernization firms based in Perth, Australia
- Legacy system modernization firms based in Sydney, Australia
- Legacy system modernization firms based in Dhaka, Bangladesh
- Legacy system modernization firms based in Barueri, Brazil
- Legacy system modernization firms based in Belo Horizonte, Brazil
- Legacy system modernization firms based in Campinas, Brazil
- Legacy system modernization firms based in Curitiba, Brazil
- Legacy system modernization firms based in Rio De Janeiro, Brazil
- Legacy system modernization firms based in Sao Paulo, Brazil
Cite this list
RevenueBase Data Team. Top 25 legacy system modernization firms based in Warsaw, Poland. Snapshot: September 20, 2026. https://revenuebase.ai/companies/legacy-system-modernization-firms/poland/warsaw.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Legacy system modernization firms based in Buenos Aires, Argentina
- Legacy system modernization firms based in Brisbane, Australia
- Legacy system modernization firms based in Melbourne, Australia
- Legacy system modernization firms based in Perth, Australia
- Legacy system modernization firms based in Sydney, Australia
- Legacy system modernization firms based in Dhaka, Bangladesh