Company lists · Data refreshed September 2026

Top 25 Accounting systems integrators based in Germany

RevenueBase identified 89 accounting systems integrators headquartered in Germany as of September 2026 and tracks 1,284 professional contacts across them, including 674 with verified work emails. Berlin is the largest hub.

This list covers accounting systems integrators headquartered in Germany, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 27, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 27, 2026 86% judged on-target in blind review
89Companies
1,284Contacts tracked
674Verified emails
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The 25 largest accounting systems integrators based in Germany

Ranked by team size
Top 25 of 89 accounting systems integrators based in Germany, ranked by team size, largest first. Data refreshed Sep 27, 2026. RevenueBase Smart Search rates how each company's information relates to accounting systems integrators: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceBielefeld, GermanyHQ checked Sep 27, 2026201-500216 contacts →

Indirect evidence

“Diamant Software GmbH & Co.”

Source: RevenueBase Database · checked Sep 27, 2026
2Indirect evidenceDortmund, GermanyHQ checked Sep 27, 2026201-500174 contacts →

Indirect evidence

“prismat was founded in 1991 as a spin-off from the Fraunhofer Institute for Material Flow and Logistics in Dortmund.”

Source: RevenueBase Database · checked Sep 27, 2026
3Partial evidenceAugsburg, GermanyHQ checked Sep 27, 202651-200118 contacts →

Partial evidence

“Wir verstehen uns als Systemintegrator – aus diesem Grund bieten wir als einer der wenigen Anbieter am Markt neben der reinen SAP-Beratung und Implementierung auch das komplette…”

Source: RevenueBase Database · checked Sep 27, 2026
4Indirect evidenceGiessen, GermanyHQ checked Sep 27, 202651-200103 contacts →

Indirect evidence

“ORDAT kennt die relevanten Erfolgsfaktoren in Unternehmensprozessen.”

Source: RevenueBase Database · checked Sep 27, 2026
5Indirect evidenceWorms, GermanyHQ checked Sep 27, 2026201-50070 contacts →

Indirect evidence

“Mit über 40 Jahren Präsenz auf dem deutschen IT-Markt, mehr als aktiv zu betreuenden Unternehmen und 13 Standorten in ganz Deutschland und der Schweiz, gehört die Datatronic…”

Source: RevenueBase Database · checked Sep 27, 2026
6Partial evidenceMunich, GermanyHQ checked Sep 27, 202651-20051 contacts →

Partial evidence

“LivingData plant, realisiert und betreut seit 1997 als bayernweit führendes Systemhaus maßgeschneiderte IT-Lösungen für Kommunen und Landkreise.”

Source: RevenueBase Database · checked Sep 27, 2026
7Partial evidenceSchwentinental, GermanyHQ checked Sep 27, 2026201-50045 contacts →

Partial evidence

“Die DIERCK GROUP ist mit über 260 MitarbeiterInnen und über 140 Jahren Unternehmensgeschichte ein führendes Systemhaus für Informations- und Kommunikationstechnologie.”

Source: RevenueBase Database · checked Sep 27, 2026
8Indirect evidenceBerlin, GermanyHQ checked Sep 27, 202611-5036 contacts →

Indirect evidence

“Custom-made consulting services that are close to the client and their challenges: This was the vision of three consultants who wanted to provide their clients with fast…”

Source: RevenueBase Database · checked Sep 27, 2026
9Indirect evidenceOsnabrück, GermanyHQ checked Sep 27, 202651-20032 contacts →

Indirect evidence

“What does an off-road vehicle and the ERP-software from have in common?”

Source: RevenueBase Database · checked Sep 27, 2026
10Partial evidenceDüsseldorf, GermanyHQ checked Sep 27, 202651-20029 contacts →

Partial evidence

“For over 25 years, rising systems AG has been your trusted partner for innovative and tailor-made software solutions.”

Source: RevenueBase Database · checked Sep 27, 2026
11Indirect evidenceGarching, GermanyHQ checked Sep 27, 202611-5028 contacts →

Indirect evidence

“NOVICON offers the worlds leading business software and financial solutions.”

Source: RevenueBase Database · checked Sep 27, 2026
12Indirect evidenceRosenheim, GermanyHQ checked Sep 27, 202651-20023 contacts →

Indirect evidence

“At Blue-Zone, we believe that digital transformation should be simple, accessible, and cost-effective for every business.”

Source: RevenueBase Database · checked Sep 27, 2026
13Indirect evidencePotsdam, GermanyHQ checked Sep 27, 202611-5023 contacts →

Indirect evidence

“Als eine der größten Unternehmensberatungen im Bereich SAP Konsolidierung und Partner von SAP vereinen wir die Welt der IT mit dem Rechnungswesen.”

Source: RevenueBase Database · checked Sep 27, 2026
14Strong evidenceBerlin, GermanyHQ checked Sep 27, 202611-5022 contacts →

Strong evidence

“commehr GmbH is a rapidly growing Berlin-based IT systems integrator.”

Source: RevenueBase Database · checked Sep 27, 2026
15Indirect evidenceHamburg, GermanyHQ checked Sep 27, 202611-5016 contacts →

Indirect evidence

“The Hamburg-based software company hsp has been in existence since 1991.”

Source: RevenueBase Database · checked Sep 27, 2026
16Indirect evidenceDüsseldorf, GermanyHQ checked Sep 27, 202611-5015 contacts →

Indirect evidence

“konzeptwerk GmbH has been successfully implementing business software in small and medium-sized enterprises for over 15 years.”

Source: RevenueBase Database · checked Sep 27, 2026
17Partial evidenceKöln, GermanyHQ checked Sep 27, 202611-5013 contacts →

Partial evidence

“Who We Are: Since 2011, ebiscon has been your partner for innovative system integration.”

Source: RevenueBase Database · checked Sep 27, 2026
18Partial evidenceLindenberg Im Allgäu, GermanyHQ checked Sep 27, 202611-5012 contacts →

Partial evidence

“Als Systemintegrator vernetzen wir die Disziplinen der Automation (Schalt, Steuerungs, Mess- und Regelungstechnik), der Datentechnik und der IT fachübergreifend, ebenso wie…”

Source: RevenueBase Database · checked Sep 27, 2026
19Indirect evidenceFrankfurt, GermanyHQ checked Sep 27, 202611-5011 contacts →

Indirect evidence

“Ihr Unternehmen produziert.”

Source: RevenueBase Database · checked Sep 27, 2026
20Indirect evidenceSchweinfurt, GermanyHQ checked Sep 27, 202611-509 contacts →

Indirect evidence

“Effiziente Datenintegration, smarte Automatisierung & kompetente Beratung.”

Source: RevenueBase Database · checked Sep 27, 2026
21Indirect evidenceNeckarsulm, GermanyHQ checked Sep 27, 202611-508 contacts →

Indirect evidence

“APS AG – Ihr inhabergeführter IT-Dienstleister im Großraum Heilbronn / Mannheim.”

Source: RevenueBase Database · checked Sep 27, 2026
22Indirect evidenceHerborn, GermanyHQ checked Sep 27, 202611-508 contacts →

Indirect evidence

“Seit über 30 Jahren beraten, planen und realisieren Softwarelösungen für international ausgerichtete Unternehmen des Mittelstandes, Wir möchten die Optimierung Ihrer Business-IT…”

Source: RevenueBase Database · checked Sep 27, 2026
23Indirect evidenceStraelen, GermanyHQ checked Sep 27, 20261-107 contacts →

Indirect evidence

“Im Bereich der Digitalisierung bieten wir Ihnen umfassende Lösungen für die Automatisierung Ihrer Finanzprozesse an.”

Source: RevenueBase Database · checked Sep 27, 2026
24Partial evidenceBremen, GermanyHQ checked Sep 27, 202611-506 contacts →

Partial evidence

“Seit 1994 steht der Name SEGNO Industrie Automation für ein modernes und leistungsfähiges Unternehmen mit den Schwerpunkten Prozessvisualisierung, Datenbanken, ERP/MES Systeme…”

Source: RevenueBase Database · checked Sep 27, 2026
25Indirect evidenceEschenburg, GermanyHQ checked Sep 27, 202611-506 contacts →

Indirect evidence

“Die Desk Software & Consulting GmbH ist seit über 30 Jahren als Platinum Sage Businesspartner im Markt der kaufmännischen Software unterwegs.”

Source: RevenueBase Database · checked Sep 27, 2026

Showing 25 of 89 accounting systems integrators based in Germany

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Accounting systems integrators based in Germany at a glance

As of Sep 27, 2026
52.5%Verified-email coverage
14.4Average contacts per company
11-50Median size (employees)
11.2%Largest-city concentration · Berlin
Sep 27, 2026Page data refreshed

Companies by employee count

1-10
43
11-50
34
51-200
7
201-500
4

Email recency for this list is measured worldwide rather than for Germany, so it is reported there. Company counts and contact totals on this page are exact for Germany, over 89 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among accounting systems integrators, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in Germany whose own description of what they do matches “accounting systems integrators”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names accounting systems integrators), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among accounting systems integrators, and records with no verified work email. Companies headquartered outside Germany are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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
Every listed company carries at least one verified work email, 674 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 27, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names accounting systems integrators, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many accounting systems integrators are there based in Germany?

RevenueBase identified 89 accounting systems integrators headquartered in Germany as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Diamant Software Gmbh, headquartered in Bielefeld, tops this list with the largest team on record.

Which city has the most accounting systems integrators?

Berlin leads with 10 headquartered companies, followed by Hamburg (5) and Bielefeld (2).

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 674 verified decision-maker contacts tracked across these 89 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 27, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 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 with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.