Company lists · Data refreshed September 2026

Top 25 Offshore outsourcing service companies based in Poland

RevenueBase identified 88 offshore outsourcing service companies headquartered in Poland as of September 2026 and tracks 1,720 professional contacts across them, including 439 with verified work emails. Warsaw is the largest hub.

This list covers offshore outsourcing service 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 29, 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 29, 2026 86% judged on-target in blind review
88Companies
1,720Contacts tracked
439Verified emails
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The 25 largest offshore outsourcing service companies based in Poland

Ranked by team size
Top 25 of 88 offshore outsourcing service companies based in Poland, ranked by team size, largest first. Data refreshed Sep 29, 2026. RevenueBase Smart Search rates how each company's information relates to offshore outsourcing service 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 evidenceWarsaw, PolandHQ checked Sep 29, 20261,001-5,000249 contacts →

Partial evidence

“Your dedicated process outsourcing partner with data-driven approach EverHelp is an industry-leading provider of business operations outsourcing and customer support solutions.”

Source: RevenueBase Database · checked Sep 29, 2026
2Indirect evidenceWrocĹ‚aw, PolandHQ checked Sep 29, 2026201-500164 contacts →

Indirect evidence

“Winner of Forbes Diamonds 2020-2023 and 🥇Gold Winner of 2023 in Best Employee Experience🥇 OpsTalent was founded in 2012 and has become a leading operator in the nearshore business…”

Source: RevenueBase Database · checked Sep 29, 2026
3Indirect evidenceWarsaw, PolandHQ checked Sep 29, 2026501-1,000162 contacts →

Indirect evidence

“Call Center Poland is a 360 degree contact center.”

Source: RevenueBase Database · checked Sep 29, 2026
4Indirect evidenceStraszyn, PolandHQ checked Sep 29, 2026201-500144 contacts →

Indirect evidence

“MEWO.”

Source: RevenueBase Database · checked Sep 29, 2026
5Indirect evidenceSzczecin, PolandHQ checked Sep 29, 2026201-500111 contacts →

Indirect evidence

“CSP Customer Services Polska sp.”

Source: RevenueBase Database · checked Sep 29, 2026
6Indirect evidenceOpole, PolandHQ checked Sep 29, 2026501-1,00092 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 29, 2026
7Indirect evidenceWarsaw, PolandHQ checked Sep 29, 202651-20056 contacts →

Indirect evidence

“Mereb Technologies helps European SaaS scale-ups ship faster by giving you dedicated, senior engineering teams under an EU contract.”

Source: RevenueBase Database · checked Sep 29, 2026
8Indirect evidenceWarszawa, PolandHQ checked Sep 29, 202651-20052 contacts →

Indirect evidence

“Programujemy pomysły Kierujemy się prostymi zasadami, dzięki którym proponujemy naszym klientom efektywniejsze rozwiązania, postępujemy zgodnie z własnymi przekonaniami i uczciwie…”

Source: RevenueBase Database · checked Sep 29, 2026
9Partial evidenceWarsaw, PolandHQ checked Sep 29, 202611-5041 contacts →

Partial evidence

“Jesteśmy firmą IT zajmującą się outsourcingiem usług.”

Source: RevenueBase Database · checked Sep 29, 2026
10Partial evidenceWarszawa, PolandHQ checked Sep 29, 202651-20036 contacts →

Partial evidence

“Itelence is a fast-growing IT outsourcing and BPO company, helping global businesses scale with top tech talent from Poland and Eastern Europe.”

Source: RevenueBase Database · checked Sep 29, 2026
11Indirect evidenceGdaĹ„sk, PolandHQ checked Sep 29, 202611-5033 contacts →

Indirect evidence

“Efisco is a software development company aimed to provide our partners with high-quality service.”

Source: RevenueBase Database · checked Sep 29, 2026
12Partial evidenceWrocĹ‚aw, PolandHQ checked Sep 29, 202651-20031 contacts →

Partial evidence

“IT Offshore Product Teams We build and manage whole teams to support product development.”

Source: RevenueBase Database · checked Sep 29, 2026
13Partial evidenceWarsaw, PolandHQ checked Sep 29, 202651-20031 contacts →

Partial evidence

“Ness Solution is a Polish software development and IT outsourcing company with an international reach that expertly combines business with technology.”

Source: RevenueBase Database · checked Sep 29, 2026
14Indirect evidenceKrakĂłw, PolandHQ checked Sep 29, 202651-20028 contacts →

Indirect evidence

“We would love to develop your applications!”

Source: RevenueBase Database · checked Sep 29, 2026
15Indirect evidenceWarsaw, PolandHQ checked Sep 29, 202611-5023 contacts →

Indirect evidence

“Most engineering partnerships create vendor lock-in.”

Source: RevenueBase Database · checked Sep 29, 2026
16Partial evidenceWrocĹ‚aw, PolandHQ checked Sep 29, 202651-20021 contacts →

Partial evidence

“Zajmujemy się dostarczaniem usług outsourcingowych dla firm szukających nowoczesnych rozwiązań obsługi klientów lub sprzedaży usług bądź produktów.”

Source: RevenueBase Database · checked Sep 29, 2026
17Partial evidenceWarszawa, PolandHQ checked Sep 29, 2026201-50019 contacts →

Partial evidence

“Od ponad 20 lat dostarczamy szeroki zakres usług pośrednictwa finansowego i outsourcingu, wspierając firmy w ich codziennych wyzwaniach i celach.”

Source: RevenueBase Database · checked Sep 29, 2026
18Indirect evidencePoznaĹ„, PolandHQ checked Sep 29, 202611-5016 contacts →

Indirect evidence

“Poznaj TresConnect W TresConnect oferujemy dużo więcej niż tylko usługi Contact Center.”

Source: RevenueBase Database · checked Sep 29, 2026
19Partial evidenceWarsaw, PolandHQ checked Sep 29, 202611-5015 contacts →

Partial evidence

“JellyTech helps its clients grow their business through professional software development services, data analytics, and outsourcing.”

Source: RevenueBase Database · checked Sep 29, 2026
20Indirect evidenceWarszawa, PolandHQ checked Sep 29, 202611-5013 contacts →

Indirect evidence

“We believe that nowadays, in order to be successful in business, you should have reliable partners and vendors with extensive experience.”

Source: RevenueBase Database · checked Sep 29, 2026
21Indirect evidenceKrakĂłw, PolandHQ checked Sep 29, 202611-5012 contacts →

Indirect evidence

“IT oursorcing company from Krakow, Poland.”

Source: RevenueBase Database · checked Sep 29, 2026
22Partial evidenceGdynia, PolandHQ checked Sep 29, 20261-1012 contacts →

Partial evidence

“We are supporting our customers by outsourcing people and processes delivering them back office functions to help them maintain their agility in uncertain market environment and…”

Source: RevenueBase Database · checked Sep 29, 2026
23Indirect evidenceKrakĂłw, PolandHQ checked Sep 29, 202611-5011 contacts →

Indirect evidence

“iTeamly is a software house based in Krakow, Poland, one of the biggest technology hubs in Europe.”

Source: RevenueBase Database · checked Sep 29, 2026
24Partial evidenceWarsaw, PolandHQ checked Sep 29, 202611-5010 contacts →

Partial evidence

“We are a company which provides IT outsourcing services.”

Source: RevenueBase Database · checked Sep 29, 2026
25Strong evidenceWroclaw, PolandHQ checked Sep 29, 202611-5010 contacts →

Strong evidence

“Yumasoft specializes in nearshore/offshore software outsourcing services, custom software development and legacy migration services.”

Source: RevenueBase Database · checked Sep 29, 2026

Showing 25 of 88 offshore outsourcing service companies based in Poland

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Offshore outsourcing service companies based in Poland at a glance

As of Sep 29, 2026
25.5%Verified-email coverage
19.5Average contacts per company
11-50Median size (employees)
15.9%Largest-city concentration · Warsaw
Sep 29, 2026Page data refreshed

Companies by employee count

1-10
23
11-50
36
51-200
16
201-500
7
501-1,000
3
1,001-5,000
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 88 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 offshore outsourcing service 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 “offshore outsourcing service 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 offshore outsourcing service 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 offshore outsourcing service 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, 439 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 29, 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 offshore outsourcing service 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 offshore outsourcing service companies are there based in Poland?

RevenueBase identified 88 offshore outsourcing service 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?

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

Which city has the most offshore outsourcing service companies?

Warsaw leads with 14 headquartered companies, followed by Warszawa (13) and Krakow (8).

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 439 verified decision-maker contacts tracked across these 88 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 29, 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.