Company lists · Data refreshed September 2026
Top 25 Implementation service providers based in Poland
RevenueBase identified 301 implementation service providers headquartered in Poland as of September 2026 and tracks 11,087 professional contacts across them, including 5,485 with verified work emails. Warszawa is the largest hub.
This list covers implementation service providers 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 20, 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 25 largest implementation service providers based in Poland
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 5,519 contacts → | ||||
Indirect evidence “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: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 2 | 327 contacts → | ||||
Indirect evidence “Operating on 4 continents, with our offices located in Europe and Australia, we are implementing, integrating, or servicing SAP Solutions, delivering world-class code in DevOps…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 3 | 225 contacts → | ||||
Indirect evidence “We are a leading provider of IT services and consulting.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 4 | 223 contacts → | ||||
Indirect evidence “itWORKS is an IT company which addresses its offer to IT and business departments.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 5 | 202 contacts → | ||||
Indirect evidence “BPX S.A.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 6 | 183 contacts → | ||||
Indirect evidence “Od 1991 roku współtworzymy rynek technologiczny w Polsce i Europie.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 7 | 170 contacts → | ||||
Indirect evidence “Działamy na rynku od 2003 roku i jesteśmy obecnie jedną z nielicznych firm informatycznych w Polsce oferującą tak szeroką gamę systemów Enterprise Resource Planning oraz częścią…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 8 | 139 contacts → | ||||
Indirect evidence “KBJ is a market leader of SAP services and technology in Poland and also a SAP Platinum Partner and UnitedVARs member with 300+ Customers in all industries.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 9 | 127 contacts → | ||||
Strong evidence “Kotrak is an IT company with 30 years of experience in business software implementation.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 10 | 117 contacts → | ||||
Indirect evidence “Arc Consulting is a company specializing in business consulting, IT consulting and advanced IT solutions.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 11 | 114 contacts → | ||||
Indirect evidence “IT FOR LIFE SCIENCE, CUSTOM DEVELOPMENT, CLOUD SOLUTIONS, HUMAN CAPITAL MANAGEMENT, QA & VALIDATION SERVICES, IT TEAM & STAFF AUGMENTATION eConsulting is a leading provider of…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 12 | 91 contacts → | ||||
Indirect evidence “An integrator with a professional team focusing on integration and business processes automation projects in Poland and abroad.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 13 | 89 contacts → | ||||
Indirect evidence “INFOVER to zespół specjalistów IT z wieloletnim doświadczeniem w tworzeniu rozwiązań informatycznych od podstaw.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 14 | 83 contacts → | ||||
Indirect evidence “LBPro is a software development and consulting company that combines advanced software services such as IT & software consulting, software development, server based applications…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 15 | 77 contacts → | ||||
Indirect evidence “We have proven many times that the project implemented by our team requires less time and significantly less investment compared to the competition.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 16 | 76 contacts → | ||||
Indirect evidence “CRMiUM is a CRM, ERP, and HRM system integrator with 10 years of experience.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 17 | 73 contacts → | ||||
Indirect evidence “Infovide-Matrix has been a leading provider of consulting services and IT solutions in Poland.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 18 | 61 contacts → | ||||
Indirect evidence “ICT to Polska spółka wdrażająca, realizująca i serwisująca innowacyjne rozwiązania dla biznesu.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 19 | 60 contacts → | ||||
Indirect evidence “IPOPEMA Business Consulting combines business consulting and IT expertise, providing clients with a comprehensive approach to project execution.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 20 | 60 contacts → | ||||
Indirect evidence “We are a leading IT company and consulting firm dedicated to delivering innovative solutions and strategic guidance for businesses navigating the digital landscape.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 21 | 58 contacts → | ||||
Indirect evidence “DSR S.A.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 22 | 56 contacts → | ||||
Indirect evidence “W Nav24 stawiamy sobie za cel wsparcie naszych Klientów w osiąganiu ambitnych celów biznesowych.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 23 | 56 contacts → | ||||
Indirect evidence “Spyrosoft BSG is where user experience meets business productivity, performance and engagement.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 24 | 52 contacts → | ||||
Indirect evidence “The IT Systems & Solutions partnership is a relatively young company in the IT market.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 25 | 48 contacts → | ||||
Indirect evidence “I-BS.pl Sp.” Source: RevenueBase Database · checked Sep 20, 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: implementation service providers. 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 implementation service providers.
- Partial evidence
- Its own public description names part of implementation service providers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name implementation service providers. 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 25 of 301 implementation service providers based in Poland
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Implementation service providers based in Poland at a glance
As of Sep 20, 2026Companies by employee count
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 301 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 implementation service providers, 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 “implementation service providers”. 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 implementation service providers), 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 implementation service providers, 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, 5,485 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 20, 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.
Implementation service providers by metro
- Implementation service providers in Warszawa56
- Implementation service providers in Warsaw38
- Implementation service providers in Wroclaw29
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 implementation service providers, 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 implementation service providers are there based in Poland?
RevenueBase identified 301 implementation service providers 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?
SII Poland, headquartered in Warszawa, tops this list with the largest team on record.
Which city has the most implementation service providers?
Warszawa leads with 56 headquartered companies, followed by Warsaw (38) and Wroclaw (29).
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 5,485 verified decision-maker contacts tracked across these 301 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 20, 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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