Company lists · Data refreshed September 2026

Top 21 Tax and revenue software companies based in Germany

RevenueBase identified 34 tax and revenue software companies headquartered in Germany as of September 2026 and tracks 1,038 professional contacts across them, including 587 with verified work emails and 15 with mobile numbers. Berlin is the largest hub.

This list covers tax and revenue software companies 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 6, 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 6, 2026 86% judged on-target in blind review
34Companies
1,038Contacts tracked
587Verified emails
15Mobile numbers
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The 21 largest tax and revenue software companies based in Germany

Ranked by team size
Top 21 of 34 tax and revenue software companies based in Germany, ranked by team size, largest first. Data refreshed Sep 6, 2026. RevenueBase Smart Search rates how each company's information relates to tax and revenue software companies: 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
1Partial evidenceBerlin, GermanyHQ checked Sep 6, 2026201-500359 contacts →

“Taxfix is Europe’s leading financial platform for digital tax solutions, with over 8 million tax returns submitted and more than 4,5 billion euros in refunds facilitated for our…”

Source: company website · checked Sep 6, 2026
2Partial evidenceLudwigsburg, GermanyHQ checked Sep 6, 2026501-1,000184 contacts →

“Die Wolters Kluwer Tax & Accounting Deutschland GmbH mit Hauptsitz in Ludwigsburg ist Anbieterin der Produktlinien ADDISON, ADDISON Akte und ADDISON SBS.”

Source: company website · checked Sep 6, 2026
3Partial evidenceRosenheim, GermanyHQ checked Sep 6, 2026201-500152 contacts →

“Agenda ist einer der führenden Software-Anbieter für die steuer- und wirtschaftsberatenden Berufe.”

Source: company website · checked Sep 6, 2026
4Indirect evidenceOstfildern, GermanyHQ checked Sep 6, 202651-20046 contacts →

“Die Simba Computer Systeme GmbH bietet seit über 35 Jahren modulare Komplettlösungen für Finanz- und Unternehmenssoftware.”

Source: company website · checked Sep 6, 2026
5Indirect evidenceEschborn, GermanyHQ checked Sep 6, 202611-5035 contacts →

“The fwsb GmbH is a company in the information technology and services sector, based in Eschborn, Hesse, Germany.”

Source: company website · checked Sep 6, 2026
6Indirect evidenceBonn, GermanyHQ checked Sep 6, 202651-20034 contacts →

“STOTaX GmbH & Co.KG Im Sinne unserer Zielgruppe, zu denen Steuerberater, Buchhalter, Mandanten und Unternehmen gehören, verfolgen wir als familiengeführtes Unternehmen eine…”

Source: company website · checked Sep 6, 2026
7Partial evidenceRaubling, GermanyHQ checked Sep 6, 202611-5031 contacts →

“At RAQUEST we believe that reclaiming overpaid withholding taxes should be made as simple as possible.”

Source: company website · checked Sep 6, 2026
8Strong evidenceAachen, GermanyHQ checked Sep 6, 202611-5029 contacts →

“Taxy.io, Intelligent Automation in Tax & Legal Advice: Taxy.io was founded in 2018 as a spin-off of RWTH Aachen University and develops innovative software that enables tax…”

Source: company website · checked Sep 6, 2026
9Indirect evidenceBerlin, GermanyHQ checked Sep 6, 202611-5020 contacts →

“We are wundertax.”

Source: company website · checked Sep 6, 2026
10Partial evidenceHamburg, GermanyHQ checked Sep 6, 202611-5016 contacts →

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

Source: company website · checked Sep 6, 2026
11Indirect evidenceMunich, GermanyHQ checked Sep 6, 202611-5013 contacts →

“Willkommen bei Vantoya.”

Source: company website · checked Sep 6, 2026
12Partial evidenceKöln, GermanyHQ checked Sep 6, 202611-5012 contacts →

“Infolog – Tax-Tech-Kompetenz seit über 20 Jahren Als Familienunternehmen stehen wir für Vertrauen, Partnerschaft und langfristige Zusammenarbeit.”

Source: company website · checked Sep 6, 2026
13Partial evidenceMinden, GermanyHQ checked Sep 6, 20261-105 contacts →

“Kumulon GmbH is a provider of cloud-based solutions for financial and tax process optimization.”

Source: company website · checked Sep 6, 2026
14Partial evidenceBerlin, GermanyHQ checked Sep 6, 202611-503 contacts →

“Universal Units is the provider of IT-based solutions for the global management of corporate taxes.”

Source: company website · checked Sep 6, 2026
15Strong evidenceNeumarkt (i. D. Opf.), GermanyHQ checked Sep 6, 20261-103 contacts →

“Kolabri enables software companies to mitigate tax risks through upholding the arm’s length principle in their globally distributed data and software engineering.”

Source: company website · checked Sep 6, 2026
16Indirect evidenceRhauderfehn, GermanyHQ checked Sep 6, 202651-2002 contacts →

“Wir bieten Ihnen eine Komplettlösung wie unser Dokumentencenter, Rechnungsprogramm oder Web-Kasse mit vielfältigen Individualisierungsmöglichkeiten für Ihre spezifischen…”

Source: company website · checked Sep 6, 2026
17Indirect evidenceDahn, GermanyHQ checked Sep 6, 20261-102 contacts →

“TRAPP Steuerberatung is a company based out of 35 Äußermühlstraße, Dahn, Rhineland-Palatinate, Germany.”

Source: company website · checked Sep 6, 2026
18Indirect evidenceMittenwald, GermanyHQ checked Sep 6, 20261-102 contacts →

“Willkommen bei der Lautersee GmbH.”

Source: company website · checked Sep 6, 2026
19Partial evidenceHamburg, GermanyHQ checked Sep 6, 202611-501 contacts →

“TAXMATION ist die intelligente Softwarelösung für Steuerberater, die Ihren Kanzleialltag nachhaltig optimiert.”

Source: company website · checked Sep 6, 2026
20Partial evidenceVörstetten, GermanyHQ checked Sep 6, 202611-501 contacts →

“Die JERA GmbH ist Hersteller einer führenden Software zur optimalen Übergabe Ihrer Buchhaltungsdaten aus Ihren ERP-Systemen und anderen von Ihnen genutzten Systemen an die…”

Source: company website · checked Sep 6, 2026
21Strong evidenceOffenburg, GermanyHQ checked Sep 6, 20261-101 contacts →

“We develop software for Tax Advisors and Auditors.”

Source: company website · checked Sep 6, 2026

Showing 21 of 34 tax and revenue software companies based in Germany

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Tax and revenue software companies based in Germany at a glance

As of Sep 6, 2026
56.6%Verified-email coverage
1.4%Mobile-number coverage
30.5Average contacts per company
11-50Median size (employees)
17.6%Largest-city concentration · Berlin
Sep 6, 2026Page data refreshed

Companies by employee count

1-10
12
11-50
14
51-200
3
201-500
2
501-1,000
2

Freshness & accuracy

How recently the business emails on this list were verified

Email last verified

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 tax and revenue software companies, 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 “tax and revenue software companies”. 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 tax and revenue software companies), 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 tax and revenue software companies, 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, 587 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 6, 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 tax and revenue software companies, 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 tax and revenue software companies are there based in Germany?

RevenueBase identified 34 tax and revenue software companies 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?

Taxfix, headquartered in Berlin, tops this list with the largest team on record.

Which city has the most tax and revenue software companies?

Berlin leads with 6 headquartered companies, followed by Munich (3) and Frankfurt Am Main (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 587 verified decision-maker contacts tracked across these 34 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 6, 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.