Company lists · Data verified August 2026

Top 25 Application development consulting firms based in Poland

Name: Application development consulting firms based in Poland
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 902 companies tracked

There are 902 application development consulting firms headquartered in Poland (RevenueBase, August 2026). RevenueBase tracks 18,964 professional contacts across them, including 7,476 with verified work emails and 246 with mobile numbers. Warsaw is the largest hub.

This list covers application development consulting firms 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.

902Companies

18,964Contacts tracked

7,476Verified emails

246Mobile numbers

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The 25 largest application development consulting firms based in Poland

Ranked by team size

Top 25 of 902 application development consulting firms 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	SII Poland	Bydgoszcz	5,001-10,000	5,538	3,355
2	IBA Group	Wroclaw	1,001-5,000	970	25
3	Britenet	Lodz	1,001-5,000	649	305
4	ITDS	Warszawa	501-1,000	396	89
5	Modsen	Warszawa	501-1,000	369	43
6	First Line Software	Warsaw	201-500	360	190
7	The Software House	Warsaw	201-500	279	188
8	Nexio Management	Warsaw	501-1,000	241	92
9	Astek Polska	Warszawa	1,001-5,000	236	149
10	Softiq Software House	Gliwice	201-500	204	148
11	ITEO	Warszawa	201-500	190	116
12	Miquido	Krakow	201-500	185	103
13	Syberry	Krakow	201-500	181	60
14	Pretius	Warsaw	51-200	158	100
15	9bits	Warsaw	51-200	152	26
16	Opinov8	Wroclaw	201-500	152	4
17	Solwit SA Part Of Alten Group	Gdansk	201-500	147	89
18	Kotrak	Gdansk	201-500	127	92
19	hycom.digital	Lodz	51-200	123	17
20	Vilmate LLC	Warsaw	51-200	116	47
21	Quantumsoft LLC	Warsaw	51-200	111	32
22	Transition Technologies-Software	Ostrow Wielkopolski	201-500	110	67
23	Digatus	Wroclaw	51-200	98	47
24	Jetsoftpro	Wroclaw	201-500	96	37
25	Unity-T Group Sp. Z O.O. Sp.K	Krakow	51-200	94	31

Showing 25 of 902 application development consulting firms based in Poland

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Application development consulting firms based in Poland at a glance

As of Aug 28, 2026

1-10Median size (employees)

WarsawLargest hub · 157 HQs

246Contacts with mobile numbers

31Emails re-verified in last 30 days

Companies by employee count

1-10

458

11-50

325

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

Application development consulting firms by metro

Metro	Companies
Application development consulting firms in Warsaw	157
Application development consulting firms in Warszawa	115
Application development consulting firms in Wroclaw	86
Application development consulting firms in Krakow	66
Application development consulting firms in Poznan	48
Application development consulting firms in Lodz	34
Application development consulting firms in Gdansk	27

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 “application development consulting firms”, 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; 31 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 application development consulting firms are there based in Poland?

There are 902 application development consulting firms headquartered in Poland as of August 2026 (RevenueBase).

What is the largest company on this list?

SII Poland, headquartered in Bydgoszcz, tops this list with the largest team on record.

Which city has the most application development consulting firms?

Warsaw leads with 157 headquartered companies, followed by Warszawa (115) and Wroclaw (86).

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 7,476 verified decision-maker contacts tracked across these 902 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.