Company lists · Data verified August 2026

Top 25 Custom business software developers based in Germany

Name: Custom business software developers based in Germany
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 1,275 companies tracked

There are 1,275 custom business software developers headquartered in Germany (RevenueBase, August 2026). RevenueBase tracks 12,399 professional contacts across them, including 5,611 with verified work emails and 165 with mobile numbers. Berlin is the largest hub.

This list covers custom business software developers headquartered in Germany, 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.

1,275Companies

12,399Contacts tracked

5,611Verified emails

165Mobile numbers

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The 25 largest custom business software developers based in Germany

Ranked by team size

Top 25 of 1,275 custom business software developers based in Germany, 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	Proalpha	Weilerbach	1,001-5,000	681	438
2	Codecentric AG	Berlin	501-1,000	483	369
3	MGM Technology Partners	Leinfelden-Echterdingen	1,001-5,000	437	234
4	Kumavision AG	Memmingen	1,001-5,000	350	198
5	Jambit	Erfurt	201-500	323	188
6	CAS Software AG	Karlsruhe	201-500	279	133
7	ABAS	Karlsruhe	501-1,000	249	48
8	Guidecom AG	Munster	201-500	223	136
9	PTA It-Beratung	Neu-Isenburg	201-500	201	112
10	CSS AG	n/a	201-500	174	110
11	Itdesign Gmbh	Zwickau	201-500	158	121
12	Objektkultur Software Gmbh	Bonn	201-500	144	19
13	Iits-Consulting	Au In Der Hallertau	51-200	117	87
14	Infinite Open Source Solutions LLP	Berlin	51-200	113	3
15	Conitas	Karlsruhe	201-500	100	69
16	Adito Software Gmbh	Hennef Sieg	51-200	100	62
17	Onfinity ERP	Zetel	51-200	94	13
18	Horst Klaes Gmbh & Co. KG	Bad Neuenahr-Ahrweiler	201-500	93	51
19	Cobus Concept Gmbh	Rheda-Wiedenbruck	51-200	83	48
20	Deltra Business Software Gmbh & Co. KG	Detmold	51-200	82	37
21	Hahn Software	Maxhutte-Haidhof	51-200	81	35
22	Dr. Glinz Covis Gmbh	Dusseldorf	51-200	76	29
23	Silpion It-Solutions Gmbh	Hamburg	51-200	64	36
24	Grün Software Group	Bremen	201-500	55	10
25	Microtech Gmbh	Hargesheim	51-200	51	29

Showing 25 of 1,275 custom business software developers based in Germany

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Custom business software developers based in Germany at a glance

As of Aug 28, 2026

1-10Median size (employees)

BerlinLargest hub · 75 HQs

165Contacts with mobile numbers

7Emails re-verified in last 30 days

Companies by employee count

1-10

680

11-50

436

51-200

100

201-500

501-1,000

1,001-5,000

Custom business software developers by metro

Metro	Companies
Custom business software developers in Berlin	75
Custom business software developers in Hamburg	50
Custom business software developers in Koln	35
Custom business software developers in Stuttgart	29
Custom business software developers in Munchen	26
Custom business software developers in Nurnberg	21
Custom business software developers in Dusseldorf	20

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 business software developers”, with match quality audited by blind human judging, and headquartered in Germany.
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; 7 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 business software developers are there based in Germany?

There are 1,275 custom business software developers headquartered in Germany as of August 2026 (RevenueBase).

What is the largest company on this list?

Proalpha, headquartered in Weilerbach, tops this list with the largest team on record.

Which city has the most custom business software developers?

Berlin leads with 75 headquartered companies, followed by Hamburg (50) and Koln (35).

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 5,611 verified decision-maker contacts tracked across these 1,275 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.