Company lists · Data refreshed September 2026

Top 25 Outsourced bookkeeping and accounting firms based in Germany

RevenueBase identified 647 outsourced bookkeeping and accounting firms headquartered in Germany as of September 2026 and tracks 1,508 professional contacts across them, including 405 with verified work emails. Berlin is the largest hub.

This list covers outsourced bookkeeping and accounting firms 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 21, 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 21, 2026 86% judged on-target in blind review
647Companies
1,508Contacts tracked
405Verified emails
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The 25 largest outsourced bookkeeping and accounting firms based in Germany

Ranked by team size
Top 25 of 647 outsourced bookkeeping and accounting firms based in Germany, ranked by team size, largest first. Data refreshed Sep 21, 2026. RevenueBase Smart Search rates how each company's information relates to outsourced bookkeeping and accounting firms: 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 evidenceMannheim, GermanyHQ checked Sep 21, 202651-20034 contacts →

Indirect evidence

“Seit 1934 begleiten wir als vertrauensvoller Partner die steuerlichen und wirtschaftlichen Angelegenheiten unserer Mandanten.”

Source: RevenueBase Database · checked Sep 21, 2026
2Indirect evidenceMünchen, GermanyHQ checked Sep 21, 202651-20024 contacts →

Indirect evidence

“Sie wollen mehr?”

Source: RevenueBase Database · checked Sep 21, 2026
3Indirect evidenceBerlin, GermanyHQ checked Sep 21, 202611-5014 contacts →

Indirect evidence

“The only accountant you will ever need.”

Source: RevenueBase Database · checked Sep 21, 2026
4Indirect evidenceNürnberg, GermanyHQ checked Sep 21, 20261-1014 contacts →

Indirect evidence

“We are tax consultants and auditors with extensive experience and are based in Nuremberg.”

Source: RevenueBase Database · checked Sep 21, 2026
5Indirect evidenceRavensburg, GermanyHQ checked Sep 21, 202651-20013 contacts →

Indirect evidence

“Steuerberatung ist für uns mehr als Zahlen.”

Source: RevenueBase Database · checked Sep 21, 2026
6Indirect evidencePotsdam, GermanyHQ checked Sep 21, 202651-20012 contacts →

Indirect evidence

“Wir erstellen für Sie Jahresabschlüsse, Steuererklärungen, Buchführung, Lohnabrechnung, prüfen Ihre Jahresabschlüsse und beraten Sie in allen betriebswirtschaftlichen Belangen.”

Source: RevenueBase Database · checked Sep 21, 2026
7Indirect evidenceHagen, GermanyHQ checked Sep 21, 202651-20012 contacts →

Indirect evidence

“Wir sind eine mittelständische Wirtschaftsprüfungs - und Steuerberatungsgesellschaft und betreuen Mandanten vom großen Mittelstandsunternehmen bis bis Privatpersonen.”

Source: RevenueBase Database · checked Sep 21, 2026
8Indirect evidenceMannheim, GermanyHQ checked Sep 21, 202611-5010 contacts →

Indirect evidence

“Wir, Edenhofer und Partner, sind Wirtschaftsprüfer und Steuerberater in Mannheim.”

Source: RevenueBase Database · checked Sep 21, 2026
9Indirect evidenceKöln, GermanyHQ checked Sep 21, 202611-5010 contacts →

Indirect evidence

“Das Konzept von SK-Office spricht Sie als Unternehmer an.”

Source: RevenueBase Database · checked Sep 21, 2026
10Indirect evidenceLudwigshafen Am Rhein, GermanyHQ checked Sep 21, 202611-509 contacts →

Indirect evidence

“Die Alltreu ist seit über 35 Jahren als mittelständige Steuerberatungs- und Wirtschaftsprüfungsgesellschaft in Ludwigshafen tätig.”

Source: RevenueBase Database · checked Sep 21, 2026
11Indirect evidenceFrankfurt Am Main, GermanyHQ checked Sep 21, 202611-509 contacts →

Indirect evidence

“Tax, audit and business consulting Professor Dr.”

Source: RevenueBase Database · checked Sep 21, 2026
12Indirect evidenceNürnberg, GermanyHQ checked Sep 21, 202651-2009 contacts →

Indirect evidence

“Seit über 24 Jahren begleiten wir Unternehmerinnen und Unternehmer in allen steuerlichen und betriebswirtschaftlichen Fragen.”

Source: RevenueBase Database · checked Sep 21, 2026
13Indirect evidenceKiel, GermanyHQ checked Sep 21, 202611-509 contacts →

Indirect evidence

“DATEV-Steuerberater aufgepasst: buchhalter.pro ist die logische Konsequenz für deine Kanzlei!”

Source: RevenueBase Database · checked Sep 21, 2026
14Indirect evidenceMünchen, GermanyHQ checked Sep 21, 202651-2008 contacts →

Indirect evidence

“ABG Partner – ganzheitliche Beratung für den Mittelstand Die Steuergesetzgebung ist für viele Unternehmer, Freiberufler, gemeinnützige Organisationen und selbst für Privatpersonen…”

Source: RevenueBase Database · checked Sep 21, 2026
15Partial evidenceWiesbaden, GermanyHQ checked Sep 21, 202611-508 contacts →

Partial evidence

“Die Kell Outsourcing GmbH mit Sitz in Wiesbaden bietet mittelständischen Unternehmen die Auslagerung des Rechnungswesens an.”

Source: RevenueBase Database · checked Sep 21, 2026
16Indirect evidenceMunich, GermanyHQ checked Sep 21, 202611-508 contacts →

Indirect evidence

“Bei SH+C in München leben wir Wirtschaftsprüfung und Steuerberatung mit einem modernen Ansatz – fachlich stark, digital und persönlich.”

Source: RevenueBase Database · checked Sep 21, 2026
17Indirect evidenceBerlin, GermanyHQ checked Sep 21, 202611-507 contacts →

Indirect evidence

“Wir bieten Hilfe wo Sie diese benötigen BERATUNG DIE WIRKUNG ZEIGT Die BTB Steuerberatung in Berlin Mitte versteht sich als Ihr moderner und kompetenter Dienstleister in allen…”

Source: RevenueBase Database · checked Sep 21, 2026
18Indirect evidenceFulda, GermanyHQ checked Sep 21, 202611-507 contacts →

Indirect evidence

“Die Advisor ist eine mittelständische Wirtschaftsprüfungs- und Steuerberatungsgesellschaft mit Sitz in Fulda.”

Source: RevenueBase Database · checked Sep 21, 2026
19Indirect evidenceBochum, GermanyHQ checked Sep 21, 202611-507 contacts →

Indirect evidence

“Wir sind Wirtschaftsprüfer, Steuerberater und Berater für den Mittelstand an Ruhr und Rhein.”

Source: RevenueBase Database · checked Sep 21, 2026
20Indirect evidenceKarlsruhe, GermanyHQ checked Sep 21, 202611-507 contacts →

Indirect evidence

“Wir sind eine mittelständische Steuerberatungs- und Wirtschaftsprüfungskanzlei mit über 30 Mitarbeitern in Karlsruhe.”

Source: RevenueBase Database · checked Sep 21, 2026
21Indirect evidenceGiessen, GermanyHQ checked Sep 21, 202611-506 contacts →

Indirect evidence

“Wir denken schnell, aber durchdacht und mit Hand und Fuß.”

Source: RevenueBase Database · checked Sep 21, 2026
22Indirect evidence09337 Hohenstein-ernstthal, GermanyHQ checked Sep 21, 202611-506 contacts →

Indirect evidence

“Unsere Kanzlei steht Ihnen in allen steuerlichen Fragestellungen sicher und kompetent zur Seite.”

Source: RevenueBase Database · checked Sep 21, 2026
23Indirect evidenceAlfter, GermanyHQ checked Sep 21, 202651-2005 contacts →

Indirect evidence

“BONTAX GmbH is a financial services company based out of Germany.”

Source: RevenueBase Database · checked Sep 21, 2026
24Indirect evidenceZwickau, GermanyHQ checked Sep 21, 202611-505 contacts →

Indirect evidence

“Ines Scholz - Strategisch sicher.”

Source: RevenueBase Database · checked Sep 21, 2026
25Partial evidence51688, GermanyHQ checked Sep 21, 202611-505 contacts →

Partial evidence

“Our portfolio includes tax consulting, auditing, preparation of annual financial statements, accounting and payroll, start-up consulting as well as business and succession…”

Source: RevenueBase Database · checked Sep 21, 2026

Showing 25 of 647 outsourced bookkeeping and accounting firms based in Germany

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Outsourced bookkeeping and accounting firms based in Germany at a glance

As of Sep 21, 2026
26.9%Verified-email coverage
2.3Average contacts per company
1-10Median size (employees)
9.1%Largest-city concentration · Berlin
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
428
11-50
167
51-200
19
201-500
3
501-1,000
1

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 647 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 outsourced bookkeeping and accounting firms, 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 “outsourced bookkeeping and accounting firms”. 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 outsourced bookkeeping and accounting firms), 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 outsourced bookkeeping and accounting firms, 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, 405 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 21, 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.

Outsourced bookkeeping and accounting firms by metro

  • Outsourced bookkeeping and accounting firms in Berlin59
  • Outsourced bookkeeping and accounting firms in Hamburg34

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 outsourced bookkeeping and accounting firms, 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 outsourced bookkeeping and accounting firms are there based in Germany?

RevenueBase identified 647 outsourced bookkeeping and accounting firms 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?

Keiper & Co. KG, headquartered in Mannheim, tops this list with the largest team on record.

Which city has the most outsourced bookkeeping and accounting firms?

Berlin leads with 59 headquartered companies, followed by Hamburg (34) and Munchen (14).

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 405 verified decision-maker contacts tracked across these 647 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 21, 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.