Company lists · Data verified August 2026

Top 16 CRM customization developers based in Poland

Name: CRM customization developers based in Poland
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 49 companies tracked

There are 49 CRM customization developers headquartered in Poland (RevenueBase, August 2026). RevenueBase tracks 620 professional contacts across them, including 198 with verified work emails and 37 with mobile numbers. Warszawa is the largest hub.

This list covers CRM customization developers headquartered in Poland, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

49Companies

620Contacts tracked

198Verified emails

37Mobile numbers

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The 16 largest CRM customization developers based in Poland

Ranked by team size

Top 16 of 49 CRM customization developers based in Poland, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Avanquest	Krakow	201-500	313	129
2	Livespace	Warszawa	11-50	53	32
3	Sapico	Krakow	11-50	25	8
4	ASARI	Warszawa	11-50	23	10
5	Techinlab Salesforce Partner	Gdansk	51-200	17	1
6	Berg System	Warszawa	11-50	10	5
7	Optingo	Warsaw	11-50	8	2
8	Esticrm	Warszawa	11-50	8	2
9	4bsystems.Pl Software House	Gliwice	11-50	7	2
10	Connectpro	Warszawa	11-50	6	1
11	Sellions	Warszawa	11-50	5	1
12	Yoda Business Solutions	Bielsko-Biala	11-50	2	1
13	Csmart	Bydgoszcz	11-50	1	1
14	syntactive.pl	Lublin	1-10	1	1
15	Egito LLC	Czyzyny	1-10	1	1
16	Heycloud	Lodz	1-10	1	1

Showing 16 of 49 CRM customization developers based in Poland

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CRM customization developers based in Poland at a glance

As of Aug 28, 2026

1-10Median size (employees)

WarszawaLargest hub · 14 HQs

37Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

CRM customization developers by metro

Metro	Companies
CRM customization developers in Warszawa	14
CRM customization developers in Poznan	5
CRM customization developers in Krakow	5
CRM customization developers in Wroclaw	5
CRM customization developers in Warsaw	3
CRM customization developers in Gdansk	2
CRM customization developers in Lublin	2
CRM customization developers in Rzeszow	1

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “CRM customization developers”, with match quality audited by blind human judging, and headquartered in Poland.
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: Contact records re-verify on a rolling cadence; 0 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many CRM customization developers are there based in Poland?

There are 49 CRM customization developers headquartered in Poland as of August 2026 (RevenueBase).

What is the largest company on this list?

Avanquest, headquartered in Krakow, tops this list with the largest team on record.

Which city has the most CRM customization developers?

Warszawa leads with 14 headquartered companies, followed by Poznan (5) and Krakow (5).

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 198 verified decision-maker contacts tracked across these 49 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.