Company lists · Data verified August 2026

Top 25 Custom software development agencies based in Poland

Name: Custom software development agencies based in Poland
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 1,202 companies tracked

There are 1,202 custom software development agencies headquartered in Poland (RevenueBase, August 2026). RevenueBase tracks 16,326 professional contacts across them, including 5,420 with verified work emails and 212 with mobile numbers. Warsaw is the largest hub.

This list covers custom software development agencies 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.

1,202Companies

16,326Contacts tracked

5,420Verified emails

212Mobile numbers

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The 25 largest custom software development agencies based in Poland

Ranked by team size

Top 25 of 1,202 custom software development agencies 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	JIT Team	Warszawa	501-1,000	483	345
2	Modsen	Warszawa	501-1,000	369	43
3	Instinctools	Warsaw	201-500	362	171
4	First Line Software	Warsaw	201-500	360	190
5	SCALO	n/a	501-1,000	346	242
6	Software Mansion	Krakow	201-500	346	176
7	Techmagic	Krakow	201-500	339	156
8	The Software House	Warsaw	201-500	279	188
9	Nexio Management	Warsaw	501-1,000	241	92
10	Softiq Software House	Gliwice	201-500	204	148
11	Miquido	Krakow	201-500	185	103
12	SCAND	Warszawa	201-500	183	7
13	Syberry	Krakow	201-500	181	60
14	9bits	Warsaw	51-200	152	26
15	Opinov8	Wroclaw	201-500	152	4
16	Solwit SA Part Of Alten Group	Gdansk	201-500	147	89
17	Vilmate LLC	Warsaw	51-200	116	47
18	Quantumsoft LLC	Warsaw	51-200	111	32
19	Transition Technologies-Software	Ostrow Wielkopolski	201-500	110	67
20	Inspeerity	Warsaw	51-200	104	73
21	Masterborn	Szczecin	51-200	103	10
22	Reenbit	Warsaw	51-200	100	56
23	Softwarehut	Szczecin	51-200	99	56
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 1,202 custom software development agencies based in Poland

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Custom software development agencies based in Poland at a glance

As of Aug 28, 2026

11-50Median size (employees)

WarsawLargest hub · 181 HQs

212Contacts with mobile numbers

11Emails re-verified in last 30 days

Companies by employee count

1-10

595

11-50

460

51-200

117

201-500

501-1,000

Custom software development agencies by metro

Metro	Companies
Custom software development agencies in Warsaw	181
Custom software development agencies in Warszawa	140
Custom software development agencies in Krakow	97
Custom software development agencies in Wroclaw	96
Custom software development agencies in Poznan	73
Custom software development agencies in Gdansk	50
Custom software development agencies in Lodz	48

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 “custom software development agencies”, 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; 11 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 custom software development agencies are there based in Poland?

There are 1,202 custom software development agencies headquartered in Poland as of August 2026 (RevenueBase).

What is the largest company on this list?

JIT Team, headquartered in Warszawa, tops this list with the largest team on record.

Which city has the most custom software development agencies?

Warsaw leads with 181 headquartered companies, followed by Warszawa (140) and Krakow (97).

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 5,420 verified decision-maker contacts tracked across these 1,202 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.