Company lists · Data refreshed September 2026

Top 25 Information technology consulting firms based in Warsaw, Poland

RevenueBase identified 145 information technology consulting firms headquartered in Warsaw, Poland as of September 2026 and tracks 3,866 professional contacts across them, including 2,049 with verified work emails. Warszawa is the largest hub.

This list covers information technology consulting firms headquartered in Warsaw, Poland, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 26, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 26, 2026 86% judged on-target in blind review
145Companies
3,866Contacts tracked
2,049Verified emails
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The 25 largest information technology consulting firms based in Warsaw, Poland

Ranked by team size
Top 25 of 145 information technology consulting firms based in Warsaw, Poland, ranked by team size, largest first. Data refreshed Sep 26, 2026. RevenueBase Smart Search rates how each company's information relates to information technology consulting firms: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Strong evidenceWarsaw, PolandHQ checked Sep 26, 20261,001-5,0001,290 contacts →

Strong evidence

“Billennium is a global technology consulting and outsourcing services company that provides top-quality IT solutions for enterprises.”

Source: RevenueBase Database · checked Sep 26, 2026
2Indirect evidenceWarsaw, PolandHQ checked Sep 26, 20261,001-5,000567 contacts →

Indirect evidence

“W Sygnity już od 30 lat wspieramy biznes i państwo w cyfrowej transformacji, pracując dla największych firm i najważniejszych instytucji publicznych w Polsce.”

Source: RevenueBase Database · checked Sep 26, 2026
3Indirect evidenceWarsaw, PolandHQ checked Sep 26, 2026201-500279 contacts →

Indirect evidence

“12+ years of custom software development centered on client satisfaction.”

Source: RevenueBase Database · checked Sep 26, 2026
4Partial evidenceWarsaw, PolandHQ checked Sep 26, 2026501-1,000241 contacts →

Partial evidence

“Nexio Management is a software development and consulting company.”

Source: RevenueBase Database · checked Sep 26, 2026
5Partial evidenceWarsaw, PolandHQ checked Sep 26, 202651-200183 contacts →

Partial evidence

“Od 1991 roku współtworzymy rynek technologiczny w Polsce i Europie.”

Source: RevenueBase Database · checked Sep 26, 2026
6Partial evidenceWarsaw, PolandHQ checked Sep 26, 202651-200135 contacts →

Partial evidence

“In the vibrant sphere of international consulting, Cyclad distinguishes itself with deep specialization in the IT/ICT sectors.”

Source: RevenueBase Database · checked Sep 26, 2026
7Partial evidenceWarsaw, PolandHQ checked Sep 26, 202651-200119 contacts →

Partial evidence

“Integrity Partners is the first company on the market to combine deep expertise in the two most dynamic areas of technology, Cybersecurity and Cloud.”

Source: RevenueBase Database · checked Sep 26, 2026
8Indirect evidenceWarsaw, PolandHQ checked Sep 26, 202651-200110 contacts →

Indirect evidence

“INNERGO to dostawca i integrator rozwiązań wspierających cyfrową transformację Twojej organizacji.”

Source: RevenueBase Database · checked Sep 26, 2026
9Indirect evidenceWarsaw, PolandHQ checked Sep 26, 202651-20092 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 26, 2026
10Partial evidenceWarsaw, PolandHQ checked Sep 26, 2026501-1,00073 contacts →

Partial evidence

“Infovide-Matrix has been a leading provider of consulting services and IT solutions in Poland.”

Source: RevenueBase Database · checked Sep 26, 2026
11Indirect evidenceWarsaw, PolandHQ checked Sep 26, 20261,001-5,00050 contacts →

Indirect evidence

“Andersen is a European IT company with headquarter in Warsaw, Poland.”

Source: RevenueBase Database · checked Sep 26, 2026
12Indirect evidenceWarsaw, PolandHQ checked Sep 26, 202611-5041 contacts →

Indirect evidence

“Jesteśmy firmą IT zajmującą się outsourcingiem usług.”

Source: RevenueBase Database · checked Sep 26, 2026
13Partial evidenceWarsaw, PolandHQ checked Sep 26, 202651-20040 contacts →

Partial evidence

“GS Services is a global IT outsourcing and recruiting partner, delivering top-tier IT talent and scalable technology services.”

Source: RevenueBase Database · checked Sep 26, 2026
14Indirect evidenceWarsaw, PolandHQ checked Sep 26, 202611-5027 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 26, 2026
15Partial evidenceWarsaw, PolandHQ checked Sep 26, 202611-5026 contacts →

Partial evidence

“Cloudica is all about technology experts you can rely on to empower your business and co-create value for it.”

Source: RevenueBase Database · checked Sep 26, 2026
16Indirect evidenceWarsaw, PolandHQ checked Sep 26, 202611-5025 contacts →

Indirect evidence

“We are an IT company with 30 years of experience.”

Source: RevenueBase Database · checked Sep 26, 2026
17Indirect evidenceWarsaw, PolandHQ checked Sep 26, 202611-5024 contacts →

Indirect evidence

“Jesteśmy integratorem systemów IT.”

Source: RevenueBase Database · checked Sep 26, 2026
18Indirect evidenceWarsaw, PolandHQ checked Sep 26, 202651-20022 contacts →

Indirect evidence

“IT.expert Sp.”

Source: RevenueBase Database · checked Sep 26, 2026
19Partial evidenceWarsaw, PolandHQ checked Sep 26, 202651-20021 contacts →

Partial evidence

“FTECH Company's primary mission is to empower your business through IT technologies.”

Source: RevenueBase Database · checked Sep 26, 2026
20Indirect evidenceWarsaw, PolandHQ checked Sep 26, 202611-5019 contacts →

Indirect evidence

“ValueTank Sp.”

Source: RevenueBase Database · checked Sep 26, 2026
21Indirect evidenceWarsaw, PolandHQ checked Sep 26, 202651-20018 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 26, 2026
22Indirect evidenceWarsaw, PolandHQ checked Sep 26, 202611-5018 contacts →

Indirect evidence

“W EMERGE IT Support realizujemy kompleksowe usługi informatyczne dla biznesu.”

Source: RevenueBase Database · checked Sep 26, 2026
23Indirect evidenceWarsaw, PolandHQ checked Sep 26, 202611-5015 contacts →

Indirect evidence

“Founded in 2011, Hatomi is an expert company providing services in the field of NMS/OSS systems, system platforms and software house.”

Source: RevenueBase Database · checked Sep 26, 2026
24Indirect evidenceWarsaw, PolandHQ checked Sep 26, 202651-20014 contacts →

Indirect evidence

“We help our enterprise clients to deliver bespoke solutions.”

Source: RevenueBase Database · checked Sep 26, 2026
25Partial evidenceWarsaw, PolandHQ checked Sep 26, 20261-1011 contacts →

Partial evidence

“ITRun Consulting sp.”

Source: RevenueBase Database · checked Sep 26, 2026

Showing 25 of 145 information technology consulting firms based in Warsaw, Poland

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Information technology consulting firms based in Warsaw, Poland at a glance

As of Sep 26, 2026
53.0%Verified-email coverage
26.7Average contacts per company
1-10Median size (employees)
155.2%Largest-city concentration · Warszawa
Sep 26, 2026Page data refreshed

Companies by employee count

1-10
75
11-50
47
51-200
15
201-500
2
501-1,000
2
1,001-5,000
4

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, over 145 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among information technology consulting firms, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in Warsaw, Poland whose own description of what they do matches “information technology consulting firms”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names information technology consulting firms), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among information technology consulting firms, and records with no verified work email. Companies headquartered outside Warsaw are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 2,049 across the full list. 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 26, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Information technology consulting firms by metro in Poland

  • Information technology consulting firms in Warszawa225
  • Information technology consulting firms in Warsaw145
  • Information technology consulting firms in Wroclaw70
  • Information technology consulting firms in Krakow63
  • Information technology consulting firms in Poznan49
  • Information technology consulting firms in Lodz33
  • Information technology consulting firms in Gdansk29

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names information technology consulting firms, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many information technology consulting firms are there based in Warsaw, Poland?

RevenueBase identified 145 information technology consulting firms headquartered in Warsaw, Poland as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Billennium, headquartered in Warsaw, tops this list with the largest team on record.

Which city has the most information technology consulting firms?

Warszawa leads with 225 headquartered companies, followed by Warsaw (145) and Wroclaw (70).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 2,049 verified decision-maker contacts tracked across these 145 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 26, 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 Smart Search, 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.