Company lists · Data refreshed August 2026

Top 21 Accounting firms for international nonprofits based in Cologne, Germany

RevenueBase identified 41 company matches for accounting firms for international nonprofits associated with Cologne, Germany as of August 2026 and tracks 290 professional contacts across them, including 117 with verified work emails and 1 with mobile numbers. Across Germany, Berlin is the largest hub for this category (72 companies); Cologne has 41.

This list covers company matches for accounting firms for international nonprofits associated with Cologne, Germany, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed August 30, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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 RevenueBase SmartSearch · Exact Recorded Aug 30, 2026 How this list was built
41Companies
290Contacts tracked
117Verified emails
1Mobile numbers
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The 21 largest accounting firms for international nonprofits based in Cologne, Germany

Ranked by team size
Top 21 of 41 company matches for accounting firms for international nonprofits based in Cologne, Germany, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Aug 30, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchCologne, Germany201-50072 contacts →

Exact match

“Ypsilon ist ein junges, inhabergeführtes Beratungsunternehmen mit drei integrierten Geschäftsbereichen – Tax, Audit & Advisory – und mehr als 220 hochqualifizierte…”

Recorded in the RevenueBase company graph · Aug 30, 2026 · View company records in RevenueBase
2Exact matchCologne, Germany51-20059 contacts →

Exact match

“Laufenberg Michels und Partner setzt als Steuerberater und Wirtschaftsprüfer in Köln den Schwerpunkt auf eine aktive und strategische Beratung.”

Recorded in the RevenueBase company graph · Aug 30, 2026 · View company records in RevenueBase
3Exact matchCologne, Germany51-20023 contacts →

Exact match

“Wir - die KONLUS GmbH Wirtschaftsprüfungsgesellschaft Steuerberatungsgesellschaft - sind als Wirtschaftsprüfer, Steuerberater und Unternehmensberater ein umfassender Dienstleister…”

Recorded in the RevenueBase company graph · Aug 30, 2026 · View company records in RevenueBase
4Exact matchCologne, Germany1-1012 contacts →

Exact match

“DELTAX Wirtschafts- und Steuerberatungsgesellschaft mbH Steuerberatung is a legal services company based out of 759 Rösrather Str, Köln, Germany.”

Recorded in the RevenueBase company graph · Aug 30, 2026 · View company records in RevenueBase
5Exact matchCologne, Germany11-507 contacts →

Exact match

“Wirtschaftsprüfung Steuerberatung Rechtsberatung”

Recorded in the RevenueBase company graph · Aug 30, 2026 · View company records in RevenueBase
6Exact matchCologne, Germany11-505 contacts →

Exact match

“We are a modern auditing and tax law firm in the heart of Cologne with interesting clients from a wide range of fields (e.g.”

Recorded in the RevenueBase company graph · Aug 30, 2026 · View company records in RevenueBase
7Exact matchCologne, Germany1-105 contacts →

Exact match

“Wir sind eine Wirtschaftsprüfungskanzlei mit einem hochmotivierten Team, die gezielt auf die Digitalisierung setzt.”

Recorded in the RevenueBase company graph · Aug 30, 2026 · View company records in RevenueBase
8Exact matchCologne, Germany11-504 contacts →

Exact match

“Willkommen bei Löhr - Ihrem Partner für Steuer, Rechts- und Unternehmensberatung Unsere Leidenschaft eröffnet unseren Mandanten Freiräume.”

Recorded in the RevenueBase company graph · Aug 30, 2026 · View company records in RevenueBase
9Exact matchCologne, Germany11-504 contacts →

Exact match

“Unsere Stärke sind Zahlen.”

Recorded in the RevenueBase company graph · Aug 30, 2026 · View company records in RevenueBase
10Exact matchCologne, Germany11-504 contacts →

Exact match

“Unser Unternehmen besteht seit 1982 und beschäftigt Wirtschaftsprüfer und Steuerberater mit langjähriger Erfahrung im Bereich der Wirtschaftsprüfung und Steuerberatung.”

Recorded in the RevenueBase company graph · Aug 30, 2026 · View company records in RevenueBase
11Exact matchCologne, Germany51-2003 contacts →

Exact match

“Wir machen Ihre (Geschäfts-)Welt ein Stück besser!”

Recorded in the RevenueBase company graph · Aug 30, 2026 · View company records in RevenueBase
12Exact matchCologne, Germany1-103 contacts →

Exact match

“Nacken Hillebrand Partner GmbH is a company based out of Köln, Germany.”

Recorded in the RevenueBase company graph · Aug 30, 2026 · View company records in RevenueBase
13Exact matchCologne, Germany11-502 contacts →

Exact match

“Wir sind mehr als eine Steuerberatung.”

Recorded in the RevenueBase company graph · Aug 30, 2026 · View company records in RevenueBase
14Exact matchCologne, Germany11-502 contacts →

Exact match

“Wir sind eine mittelgroße Steuerberatungs- und Wirtschaftsprüfungskanzlei und stehen seit mehr als 40 Jahren für Fortschritt, Erfolg und kompetente Beratung.”

Recorded in the RevenueBase company graph · Aug 30, 2026 · View company records in RevenueBase
15Exact matchCologne, Germany1-102 contacts →

Exact match

“Wir sind eine mittelständische Steuerberatungskanzlei mit Sitz in Köln-Lindenthal.”

Recorded in the RevenueBase company graph · Aug 30, 2026 · View company records in RevenueBase
16Exact matchCologne, Germany1-102 contacts →

Exact match

“Als Steuerberater und Wirtschaftsprüfer aus Köln West verbinden wir Tradition mit Innovation.”

Recorded in the RevenueBase company graph · Aug 30, 2026 · View company records in RevenueBase
17Exact matchCologne, Germany1-101 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Aug 30, 2026 · View company records in RevenueBase
18Exact matchCologne, Germany1-101 contacts →

Exact match

“Die addResults GmbH ist die Beratungsboutique für Internal Audit und mehr.”

Recorded in the RevenueBase company graph · Aug 30, 2026 · View company records in RevenueBase
19Exact matchCologne, Germany1-101 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Aug 30, 2026 · View company records in RevenueBase
20Exact matchCologne, Germany1-101 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Aug 30, 2026 · View company records in RevenueBase
21Exact matchCologne, Germanyn/a1 contacts →

Exact match

“Wir sind eine aufstrebende und unabh ngige Kanzlei, die Ihnen eine individuelle und pers nliche Beratung bietet.”

Recorded in the RevenueBase company graph · Aug 30, 2026 · View company records in RevenueBase

Showing 21 of 41 accounting firms for international nonprofits based in Cologne, Germany

See the full list, filter by size, metro and specialty, and access 117 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Accounting firms for international nonprofits based in Cologne, Germany at a glance

As of Aug 30, 2026
40.3%Verified-email coverage
0.3%Mobile-number coverage
7.1Average contacts per company
11-50Median size (employees)
Aug 30, 2026Page data refreshed

Companies by employee count

1-10
18
11-50
14
51-200
4
201-500
1

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with Cologne, Germany whose business descriptions match “accounting firms for international nonprofits” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 117 professional contacts with verified work emails across the full matched dataset. 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 August 30, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “accounting firms for international nonprofits”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many accounting firms for international nonprofits are there based in Cologne, Germany?

RevenueBase identified 41 company matches for accounting firms for international nonprofits associated with Cologne, Germany as of August 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Ypsilon Group tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city in Germany has the most accounting firms for international nonprofits?

Berlin leads Germany with 72 company records, followed by Hamburg (67) and Munich (65). Cologne has 41.

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 117 professional contacts with verified work emails tracked across these 41 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on August 30, 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 SmartSearch, 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.