Company lists · Data verified August 2026

Top 25 Cross-platform app development companies based in Poland

Name: Cross-platform app development companies based in Poland
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 124 companies tracked

There are 124 cross-platform app development companies headquartered in Poland (RevenueBase, August 2026). RevenueBase tracks 688 professional contacts across them, including 135 with verified work emails and 15 with mobile numbers. Warsaw is the largest hub.

This list covers cross-platform app development companies 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.

124Companies

688Contacts tracked

135Verified emails

15Mobile numbers

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The 25 largest cross-platform app development companies based in Poland

Ranked by team size

Top 25 of 124 cross-platform app development companies 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	Mainsoft	Warsaw	51-200	61	6
2	Binarapps	Lodz	51-200	56	38
3	Mlsdev INC	Krakow	51-200	28	8
4	gmi.software	Gdansk	11-50	24	2
5	Grandreves	Wroclaw	11-50	19	6
6	Atmosphere Apps	Rzeszow	11-50	18	1
7	Altconnect	Tarnow	11-50	17	9
8	DEV And Deliver	Krowodrza	11-50	16	14
9	Goapps	Bialystok	11-50	9	3
10	Goodsoft	Bialystok	1-10	7	5
11	Deskset Software	Krakow	11-50	7	3
12	Basquare	Przemysl	11-50	7	2
13	Codigee	Poznan	11-50	6	4
14	Outline	Warszawa	1-10	6	3
15	Spinney Mobile Development	Krakow	11-50	6	2
16	QRTAG	Poznan Wielkopolska	1-10	5	4
17	Mobter	Wlochy	11-50	5	1
18	Marcom Mobile	Rzeszow	1-10	5	1
19	MELON	Warsaw	1-10	5	1
20	Letiko	Warsaw	1-10	5	1
21	Tech Paradise	Warsaw	11-50	3	1
22	Purple Stone	Limanowa	1-10	3	1
23	Coded Projects	Mokotow	1-10	2	2
24	Mobidatok	Krakow	1-10	2	2
25	Listonic DEV	Lodz	51-200	2	1

Showing 25 of 124 cross-platform app development companies based in Poland

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Cross-platform app development companies based in Poland at a glance

As of Aug 28, 2026

1-10Median size (employees)

WarsawLargest hub · 22 HQs

15Contacts with mobile numbers

2Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

Cross-platform app development companies by metro

Metro	Companies
Cross-platform app development companies in Warsaw	22
Cross-platform app development companies in Krakow	16
Cross-platform app development companies in Warszawa	13
Cross-platform app development companies in Wroclaw	11
Cross-platform app development companies in Rzeszow	6
Cross-platform app development companies in Poznan	5
Cross-platform app development companies in Gdansk	5
Cross-platform app development companies in Lodz	5

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 “cross-platform app development companies”, 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; 2 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 cross-platform app development companies are there based in Poland?

There are 124 cross-platform app development companies headquartered in Poland as of August 2026 (RevenueBase).

What is the largest company on this list?

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

Which city has the most cross-platform app development companies?

Warsaw leads with 22 headquartered companies, followed by Krakow (16) and Warszawa (13).

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 135 verified decision-maker contacts tracked across these 124 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.