Company lists · Data refreshed September 2026
Top 25 Large accounting firms based in Hamburg, Germany
RevenueBase identified 56 large accounting firms headquartered in Hamburg, Germany as of September 2026 and tracks 3,638 professional contacts across them, including 1,952 with verified work emails. Hamburg is the largest hub.
This list covers large accounting firms headquartered in Hamburg, 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.
The 25 largest large accounting firms based in Hamburg, Germany
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,576 contacts → | ||||
Indirect evidence “BDO is the leading entrepreneurial driven provider for audit and audit-related services, tax and business law consulting as well as advisory services.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 2 | 1,565 contacts → | ||||
Indirect evidence “Forvis Mazars Group SC is an independent member of Forvis Mazars Global, a leading professional services network.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 3 | 130 contacts → | ||||
Indirect evidence “Verlässlich.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 4 | 45 contacts → | ||||
Indirect evidence “Renneberg - Ihre integrierte Wirtschaftskanzlei in Hamburg und Göttingen.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 5 | 43 contacts → | ||||
Indirect evidence “Die HANSA PARTNER Gruppe zählt zahlreiche Unternehmen aus der und der Immobilienbranche sowie aus Produktion und Handel zu ihrem Mandantenkreis.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 6 | 16 contacts → | ||||
Indirect evidence “Doctores Völschau Partnerschaft mbB Wirtschaftsprüfungsges.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 7 | 16 contacts → | ||||
Indirect evidence “Die EGIDO GmbH Steuerberatungs- und Wirtschaftsprüfungsgesellschaft mit Sitz in Hamburg steht Ihnen als Partner in unternehmerischen, betriebswirtschaftlichen und steuerlichen…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 8 | 16 contacts → | ||||
Indirect evidence “Unser Unternehmen besteht aus der Cordes + Partner GmbH Wirtschaftsprüfungsgesellschaft, die im Jahre 1976 durch Herrn Cord Cordes gegründet wurde, und der CFH Cordes + Partner…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 9 | 13 contacts → | ||||
Indirect evidence “Herzlich willkommen bei Dürkop Möller und Partner!” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 10 | 11 contacts → | ||||
Indirect evidence “Die WLP GmbH Wirtschaftsprüfungs- und Steuerberatungsgesellschaft ist ein stetig wachsendes Unternehmen, das auf eine lange Tradition und viel Erfahrung zurückblickt.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 11 | 9 contacts → | ||||
Indirect evidence “TAXON GmbH was founded in 1974, and is a middle-sized auditing, tax advising and consulting company, which is led by its owners.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 12 | 8 contacts → | ||||
Partial evidence “EBS is a Hamburg-based audit firm that specialises in selected areas of auditing, accounting, and audit-related consulting.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 13 | 7 contacts → | ||||
Indirect evidence “FAIR Audit Geries Harder Stubley PartG mbB is a management consulting company based out of 38 Raboisen, Hamburg, Germany.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 14 | 6 contacts → | ||||
Indirect evidence “Willkommen bei ATG Treuhand – Ihrem Partner für Wirtschaftsprüfung und Steuerberatung in Hamburg.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 15 | 5 contacts → | ||||
Partial evidence “Svenhase is an accounting company based out of 99 Bernhard-Nocht-Straße, Hamburg, Germany.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 16 | 5 contacts → | ||||
Indirect evidence “Wir von Dr.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 17 | 5 contacts → | ||||
Indirect evidence “Wir sind eine inhabergeführte Wirtschaftsprüfungs- und Steuerberatungsgesellschaft mit Sitz an der Bleichenbrücke, mitten in Hamburg.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 18 | 5 contacts → | ||||
Partial evidence “HANSA Industrie-Treuhand GmbH Steuerberatungskanzlei is an accounting company based out of 22 Eidelstedter Weg, Hamburg, Germany.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 19 | 4 contacts → | ||||
Indirect evidence “Busch von Rönn und Partner ist eine mittelständisch orientierte Hamburger Wirtschaftsprüfungsgesellschaft mit langer Tradition.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 20 | 4 contacts → | ||||
Indirect evidence “In der Beratung zuhause, im Norden verwurzelt – als ganzheitlicher Ansprechpartner in den Bereichen Steuerberatung, Unternehmensberatung, Rechtsberatung und Wirtschaftsprüfung…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 21 | 3 contacts → | ||||
Indirect evidence “Wir sind eine Steuerberatungsgesellschaft in Hamburg, Groß Borstel und betreuen Mandanten aus unterschiedlichen Branchen.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 22 | 3 contacts → | ||||
Indirect evidence “Wir bieten Unternehmen aller Rechtsformen und Branchen sowie Privatpersonen einen vertraulichen, vollständigen und individuellen Service auf den Gebieten Steuerberatung…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 23 | 2 contacts → | ||||
Indirect evidence “Wir sind eine mittelständische Wirtschaftsprüfungsgesellschaft mit Sitz in der Hansestadt Hamburg.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 24 | 2 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 25 | 1 contacts → | ||||
Indirect evidence “Wir sind eine mittelständische Steuerberatungskanzlei, die sich durch langjährige Mandanten- und Mitarbeiterzugehörigkeit auszeichnet.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: large accounting firms. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names large accounting firms.
- Partial evidence
- Its own public description names part of large accounting firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name large accounting firms. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 56 large accounting firms based in Hamburg, Germany
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Large accounting firms based in Hamburg, Germany at a glance
As of Sep 21, 2026Companies by employee count
Email recency for this list is measured across the whole Germany list rather than for Hamburg, so it is reported there. Company counts and contact totals on this page are exact for Hamburg, over 56 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 large 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 Hamburg, Germany whose own description of what they do matches “large 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 large 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 large accounting firms, and records with no verified work email. Companies headquartered outside Hamburg 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, 1,952 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.
Large accounting firms by metro in Germany
- Large accounting firms in Hamburg56
- Large accounting firms in Berlin48
- Large accounting firms in Munchen45
- Large accounting firms in Koln32
- Large accounting firms in Dusseldorf26
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 large 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 large accounting firms are there based in Hamburg, Germany?
RevenueBase identified 56 large accounting firms headquartered in Hamburg, 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?
BDO Germany, headquartered in Hamburg, tops this list with the largest team on record.
Which city has the most large accounting firms?
Hamburg leads with 56 headquartered companies, followed by Berlin (48) and Munchen (45).
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 1,952 verified decision-maker contacts tracked across these 56 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.
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