Company lists · Data refreshed November 2026

Top 21 Outsourcing and advisory services based in Poland

RevenueBase identified 1,092 company matches for outsourcing and advisory services associated with Poland as of November 2026 and tracks 20,302 professional contacts across them, including 6,117 with verified work emails. Warsaw is the largest hub.

This list covers company matches for outsourcing and advisory services 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 November 6, 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 Nov 6, 2026 How this list was built
1,092Companies
20,302Contacts tracked
6,117Verified emails
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The 21 largest outsourcing and advisory services based in Poland

Ranked by team size
Top 21 of 1,092 company matches for outsourcing and advisory services based in Poland, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 matchWarsaw, PolandHQ recorded Nov 6, 20265,001-10,0001,786 contacts →

Exact match

“Accenture to wiodąca, globalna firma świadcząca profesjonalne usługi na rzecz przedsiębiorstw, będących światowymi liderami, a także organizacji rządowych i pozarządowych.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchWarsaw, PolandHQ recorded Nov 6, 2026501-1,000615 contacts →

Exact match

“Growe is a leading business advisory and services group in iGaming and Entertainment.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchWarsaw, PolandHQ recorded Nov 6, 20261,001-5,000255 contacts →

Exact match

“Everhelp - your Result-as-a-Service ecosystem for customer support outsourcing, configuring people, process, and technology to reach the goals you are chasing.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchWarsaw, PolandHQ recorded Nov 6, 2026201-500245 contacts →

Exact match

“Pentacomp has been established in 1995.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchPoznań, PolandHQ recorded Nov 6, 2026201-500242 contacts →

Exact match

“TPA is the leading international consultancy group rendering comprehensive business advisory services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchKraków, PolandHQ recorded Nov 6, 2026501-1,000231 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchKraków Old Town, PolandHQ recorded Nov 6, 20261,001-5,000220 contacts →

Exact match

“ℹ Sterling – The Missing Piece to Your Business Success Looking for seamless customer service, smarter credit management, or efficient debt recovery?”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchWrocław, PolandHQ recorded Nov 6, 2026201-500210 contacts →

Exact match

“Impel Business Solutions to doświadczony i wykwalifikowany dostawca wspierający biznes w zakresie usług back-office.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchWarsaw, PolandHQ recorded Nov 6, 20261,001-5,000209 contacts →

Exact match

“We are a leading provider of IT services and consulting.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchPoznań, PolandHQ recorded Nov 6, 2026201-500205 contacts →

Exact match

“RSM Poland to więcej niż biuro rachunkowe, kancelaria doradztwa podatkowego i firma audytorska – to przede wszystkim profesjonalni doradcy i zaufani partnerzy w biznesie.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchWarsaw, PolandHQ recorded Nov 6, 202651-200143 contacts →

Exact match

“ALTO is one of the fastest growing advisory firms in Poland.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchWarsaw, PolandHQ recorded Nov 6, 2026201-500132 contacts →

Exact match

“ASB Poland jest częścią międzynarodowej ASB Group, grupy firm doradczych i dostawcą wysokiej jakości usług w zakresie księgowości, doradztwa podatkowego, kadr i płac, doradztwa…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchGdańsk, PolandHQ recorded Nov 6, 2026201-500132 contacts →

Exact match

“As thyssenkrupp Group Services Gdańsk, we are all driven by the same ambition: to be the first-choice provider of business and IT services, enabling our customers to focus on…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchKrakow, PolandHQ recorded Nov 6, 202651-200117 contacts →

Exact match

“Arc Consulting is a company specializing in business consulting, IT consulting and advanced IT solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchOpole, PolandHQ recorded Nov 6, 2026501-1,00097 contacts →

Exact match

“We believe that we have to change ourselves to change the world.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchWarsaw, PolandHQ recorded Nov 6, 202651-20069 contacts →

Exact match

“ENG] 4RESULTS - business consulting to meet enterprise challenges and strategies.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchKatowice, PolandHQ recorded Nov 6, 202651-20065 contacts →

Exact match

“Jesteśmy blisko 150-osobowym zespołem ekspertów – prawników, doradców podatkowych i księgowych.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchWarsaw, PolandHQ recorded Nov 6, 202651-20065 contacts →

Exact match

“Mac Auditor od 1994 roku świadczy na rzecz klientów biznesowych usługi z obszaru audytu, outsourcingu usług księgowych i kadrowo-płacowych oraz doradztwa.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchPoznań, PolandHQ recorded Nov 6, 202651-20063 contacts →

Exact match

“BLUE energy Sp.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchWarsaw, PolandHQ recorded Nov 6, 202651-20060 contacts →

Exact match

“We are a team of people focused on delivering to our clients consulting services in the area of Finance and Tax.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchWarsaw, PolandHQ recorded Nov 6, 202651-20059 contacts →

Exact match

“Novaris is a leading software development company with headquarters located in Warsaw, Poland.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 21 of 1,092 outsourcing and advisory services based in Poland

See the full list, filter by size, metro and specialty, and access 6,117 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Outsourcing and advisory services based in Poland at a glance

As of Nov 6, 2026
30.1%Verified-email coverage
18.6Average contacts per company
1-10Median size (employees)
38.9%Largest-city concentration · Warsaw
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
611
11-50
327
51-200
84
201-500
33
501-1,000
14
1,001-5,000
14
5,001-10,000
2

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 1,092 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 “outsourcing and advisory services” 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 6,117 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 November 6, 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 “outsourcing and advisory services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many outsourcing and advisory services are there based in Poland?

RevenueBase identified 1,092 company matches for outsourcing and advisory services associated with Poland as of November 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?

Accenture Poland tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most outsourcing and advisory services?

Warsaw leads with 425 company records, followed by Wroclaw (93) and Krakow (77).

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 6,117 professional contacts with verified work emails tracked across these 1,092 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 November 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 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.