Company lists · Data refreshed September 2026
Top 24 Transformation consulting firms based in Warszawa, Poland
RevenueBase identified 201 transformation consulting firms headquartered in Warszawa, Poland as of September 2026 and tracks 9,085 professional contacts across them, including 4,928 with verified work emails. Warszawa is the largest hub.
This list covers transformation consulting firms headquartered in Warszawa, 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 6, 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.
The 24 largest transformation consulting firms based in Warszawa, Poland
Ranked by team size| # | Company | RevenueBase Smart Search | Contacts | ||
|---|---|---|---|---|---|
| 1 | Strong evidence | 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…” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 2 | Indirect evidence | 1,738 contacts → | |||
“Accenture to wiodąca, globalna firma świadcząca profesjonalne usługi na rzecz przedsiębiorstw, będących światowymi liderami, a także organizacji rządowych i pozarządowych.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 3 | Indirect evidence | 192 contacts → | |||
“Dentsu jest zintegrowanym partnerem w zakresie rozwoju i transformacji współpracującym z czołowymi organizacjami na całym świecie.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 4 | Partial evidence | 106 contacts → | |||
“We’re Flying Bisons-a digital consulting powerhouse turning bold ideas into exceptional products.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 5 | Indirect evidence | 91 contacts → | |||
“CERTES.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 6 | Indirect evidence | 79 contacts → | |||
“Onex Group is a global, certified Microsoft partner.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 7 | Partial evidence | 76 contacts → | |||
“We are a customer-oriented, consulting company who helps solve business problems through the use of the latest technologies in order to build a better future.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 8 | Partial evidence | 73 contacts → | |||
“House of Skills is a leading brand on the Polish market of consulting and training services.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 9 | Partial evidence | 56 contacts → | |||
“We are an international Innovation, IT and high-tech engineering consulting company that delivers unique value in a wide variety of industries.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 10 | Indirect evidence | 52 contacts → | |||
“The IT Systems & Solutions partnership is a relatively young company in the IT market.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 11 | Indirect evidence | 41 contacts → | |||
“Jesteśmy zespołem inżynierów z zacięciem biznesowym.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 12 | Indirect evidence | 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.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 13 | Indirect evidence | 28 contacts → | |||
“Firma HIILWAY powstała w lutym 2011 i w 4 lata działalności stała się wiodącym dostawcą usług szkoleniowo-doradczych na polskim rynku.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 14 | Indirect evidence | 20 contacts → | |||
“Thoriana is an advisory company specializing in Program, Project, and Portfolio Management.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 15 | Indirect evidence | 19 contacts → | |||
“Pomagamy naszym Klientom budować sprawne, odporne i skuteczne organizacje: dostarczamy trafne diagnozy, projektujemy i wdrażamy strategie, zapewniamy liderów i ekspertów…” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 16 | Indirect evidence | 16 contacts → | |||
“Naszym nadrzędnym celem jest dostarczanie transformacyjnych rezultatów.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 17 | Partial evidence | 16 contacts → | |||
“SILFRA Consulting specjalizuje się we wdrażaniu strategicznych zmian: transformacji biznesowej, digitalizacji oraz podnoszeniu efektywności organizacji i procesów.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 18 | Partial evidence | 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…” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 19 | Indirect evidence | 16 contacts → | |||
“DOOR inspires and encourages individuals and entire organisations to learn and change by indicating effective methods developing attitudes, behaviours and skills that contribute…” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 20 | Indirect evidence | 15 contacts → | |||
“Kim jesteśmy?” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 21 | Indirect evidence | 12 contacts → | |||
“Red Ocean spółka z.o.o.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 22 | Partial evidence | 11 contacts → | |||
“Adrenalina Consulting - Twój partner w optymalizacji procesów biznesowych W Adrenalina Consulting jesteśmy prywatną firmą, której pracownicy zdobywali nieocenione doświadczenie w…” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 23 | Partial evidence | 10 contacts → | |||
“We help our clients to increase the value and impact of their organisations through business and personal transformation.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 24 | Indirect evidence | 10 contacts → | |||
“Witamy na stronie Talent Center!” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: transformation consulting firms. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names transformation consulting firms.
- Partial evidence
- Its own public description names part of transformation consulting firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name transformation consulting firms. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 24 of 201 transformation consulting firms based in Warszawa, Poland
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Transformation consulting firms based in Warszawa, Poland at a glance
As of Sep 6, 2026Companies by employee count
Email recency for this list is measured across the whole Poland list rather than this city, so it is reported there. Company counts and contact totals on this page are exact for Warszawa, over 201 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 transformation 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 Warszawa, Poland whose own description of what they do matches “transformation 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 transformation 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 transformation consulting firms, and records with no verified work email. Companies headquartered outside Warszawa 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, 4,928 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 6, 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.
Transformation consulting firms by metro in Poland
- Transformation consulting firms in Warszawa201
- Transformation consulting firms in Warsaw179
- Transformation consulting firms in Wroclaw89
- Transformation consulting firms in Krakow54
- Transformation consulting firms in Poznan41
- Transformation consulting firms in Gdansk38
- Transformation consulting firms in Lodz25
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 transformation 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 transformation consulting firms are there based in Warszawa, Poland?
RevenueBase identified 201 transformation consulting firms headquartered in Warszawa, 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?
SII Poland, headquartered in Warszawa, tops this list with the largest team on record.
Which city has the most transformation consulting firms?
Warszawa leads with 201 headquartered companies, followed by Warsaw (179) and Wroclaw (89).
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 4,928 verified decision-maker contacts tracked across these 201 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 6, 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.
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