Company lists · Data refreshed September 2026

Top 16 Cloud IT companies based in Poland

RevenueBase identified 31 cloud IT companies headquartered in Poland as of September 2026 and tracks 874 professional contacts across them, including 478 with verified work emails. Warszawa is the largest hub.

This list covers cloud IT companies headquartered in 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 21, 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 21, 2026 86% judged on-target in blind review
31Companies
874Contacts tracked
478Verified emails
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The 16 largest cloud IT companies based in Poland

Ranked by team size
Top 16 of 31 cloud IT companies based in Poland, ranked by team size, largest first. Data refreshed Sep 21, 2026. RevenueBase Smart Search rates how each company's information relates to cloud IT companies: 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
1Partial evidenceWarszawa, PolandHQ checked Sep 21, 202651-200217 contacts →

Partial evidence

“CloudFerro (CF) provides innovative cloud services.”

Source: RevenueBase Database · checked Sep 21, 2026
2Partial evidenceWarszawa, PolandHQ checked Sep 21, 202651-200161 contacts →

Partial evidence

“We are a leading cloud services provider in the Polish market, specializing in cloud computing, advanced data analytics, artificial intelligence, and cybersecurity.”

Source: RevenueBase Database · checked Sep 21, 2026
3Partial evidenceWarsaw, PolandHQ checked Sep 21, 202651-200100 contacts →

Partial evidence

“GigaCloud is a European cloud provider with over 1,800 clients.”

Source: RevenueBase Database · checked Sep 21, 2026
4Partial evidenceRybnik, PolandHQ checked Sep 21, 202651-20076 contacts →

Partial evidence

Cloud & Server Experts.”

Source: RevenueBase Database · checked Sep 21, 2026
5Indirect evidenceUrsynów, PolandHQ checked Sep 21, 202651-20070 contacts →

Indirect evidence

“Oktawave to polska platforma publicznej chmury obliczeniowej.”

Source: RevenueBase Database · checked Sep 21, 2026
6Indirect evidenceŻywiec, PolandHQ checked Sep 21, 202651-20069 contacts →

Indirect evidence

“Pomagamy naszym klientom rozwijać prowadzoną działalność dzięki nowoczesnym i sprawdzonym technologiom z dziedziny Data Center i chmury obliczeniowej, oprogramowania biznesowego…”

Source: RevenueBase Database · checked Sep 21, 2026
7Partial evidenceSzczecin, PolandHQ checked Sep 21, 202651-20055 contacts →

Partial evidence

“Spółka IT należąca do Grupy Asseco, specjalizująca się w projektowaniu, dostarczaniu, wdrażaniu i obsłudze rozwiązań chmurowych.”

Source: RevenueBase Database · checked Sep 21, 2026
8Indirect evidenceWarszawa, PolandHQ checked Sep 21, 2026n/a26 contacts →

Indirect evidence

“O SoftwareOne SoftwareOne jest globalnym dostawcą rozwiązań w zakresie oprogramowania i chmury.”

Source: RevenueBase Database · checked Sep 21, 2026
9Indirect evidencePoznań, PolandHQ checked Sep 21, 202611-5023 contacts →

Indirect evidence

“Tenesys is a strategic technology partner for companies that can't afford for their infrastructure, security or compliance to fall behind their growth.”

Source: RevenueBase Database · checked Sep 21, 2026
10Strong evidenceWarsaw, PolandHQ checked Sep 21, 202611-5018 contacts →

Strong evidence

“The best cloud services of global IT providers.”

Source: RevenueBase Database · checked Sep 21, 2026
11Indirect evidencePoznań, PolandHQ checked Sep 21, 202611-509 contacts →

Indirect evidence

“We are Welastic.”

Source: RevenueBase Database · checked Sep 21, 2026
12Partial evidenceWrocław, PolandHQ checked Sep 21, 202611-507 contacts →

Partial evidence

Cloud SRE for Scale & Performance”

Source: RevenueBase Database · checked Sep 21, 2026
13Partial evidenceWarsaw, PolandHQ checked Sep 21, 20261-102 contacts →

Partial evidence

“Cloud4You is a Polish company based in Warsaw, specializing in delivering cloud services for businesses.”

Source: RevenueBase Database · checked Sep 21, 2026
14Indirect evidenceWarsaw, PolandHQ checked Sep 21, 20261-102 contacts →

Indirect evidence

“Data Experts Sp.”

Source: RevenueBase Database · checked Sep 21, 2026
15Indirect evidencePoznań, PolandHQ checked Sep 21, 20261-101 contacts →

Indirect evidence

“Chmura dla biznesu.”

Source: RevenueBase Database · checked Sep 21, 2026
16Partial evidenceWarsaw, PolandHQ checked Sep 21, 20261-101 contacts →

Partial evidence

“MVP #azure #cloud #architecture #migrations #bestpractice #design #iaas #vm #paas #aks #servicefarbic #webapps #storage #expressroute #vpn #apiapps #logicapps #serverless…”

Source: RevenueBase Database · checked Sep 21, 2026

Showing 16 of 31 cloud IT companies based in Poland

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Cloud IT companies based in Poland at a glance

As of Sep 21, 2026
54.7%Verified-email coverage
28.2Average contacts per company
11-50Median size (employees)
19.4%Largest-city concentration · Warszawa
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
9
11-50
12
51-200
8
1,001-5,000
1
5,001-10,000
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 31 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 cloud IT companies, 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 Poland whose own description of what they do matches “cloud IT companies”. 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 cloud IT companies), 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 cloud IT companies, and records with no verified work email. Companies headquartered outside Poland 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, 478 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 21, 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.

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 cloud IT companies, 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 cloud IT companies are there based in Poland?

RevenueBase identified 31 cloud IT companies headquartered in 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?

Cloudferro S.A, headquartered in Warszawa, tops this list with the largest team on record.

Which city has the most cloud IT companies?

Warszawa leads with 6 headquartered companies, followed by Warsaw (5) and Wroclaw (4).

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 478 verified decision-maker contacts tracked across these 31 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 21, 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.