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AI Visibility Index · September 2026

Accountants in Hamburg that AI assistants recommend

We asked ChatGPT, Claude and Gemini the four questions a buyer asks when looking for accountants in Hamburg, three times each, in German, and counted who they named. These are the businesses named in two or more of the 36 answers.

Check whether AI names youSee the ranking

Names are printed as the assistants wrote them. We have not checked that any of them is good, open, or real.

Accountants · Hamburg
44%of answers named BDO
Answers
36
Businesses named
65
Named only once
33
Named by 2+ assistants
15 of 32
Named again on a rerun
39%

Edition September 2026. Download the data

Asked for accountants in Hamburg, ChatGPT, Claude and Gemini most often named BDO (44% of answers), RSM Ebner Stolz (22%) and Deloitte (22%). Across 36 answers they named 65 different businesses, 33 of them only once. Each of four buyer questions was asked three times, in German, in September 2026.

The ranking

The AI Recommendation Rate is the fraction of the 36 answers that named a business. The range under it is a 95% confidence interval: where two ranges overlap, the gap between those businesses could be chance.

Accountants in Hamburg named by AI assistants, September 2026
#BusinessAI Recommendation RateChatGPTClaudeGeminiQuestionsAvg. position
1BDOAlso written BDO AG Wirtschaftsprüfungsgesellschaft, Hamburg, BDO AG Wirtschaftsprüfungsgesellschaft, BDO AG Wirtschaftsprüfungsgesellschaft – HamburgIs this your business?44%95%: 30 to 60%67%42%25%3 of 42
2RSM Ebner StolzAlso written Ebner Stolz Mönning Bachem, RSM Ebner Stolz, Hamburg, Ebner Stolz GmbH & Co. KG, Ebner Stolz GmbH & Co. KG, Hamburg, Ebner Stolz, HamburgIs this your business?22%95%: 12 to 38%33%8%25%2 of 42.3
3DeloitteAlso written Deloitte GmbH Wirtschaftsprüfungsgesellschaft, Hamburg, Deloitte GmbH Wirtschaftsprüfungsgesellschaft, Deloitte GmbH Wirtschaftsprüfungsgesellschaft – HamburgIs this your business?22%95%: 12 to 38%33%33%0%3 of 42.6
4MÖHRLE HAPP LUTHERAlso written MÖHRLE HAPP LUTHER Steuerberatungsgesellschaft mbH, MÖHRLE HAPP LUTHER – Hamburg, MÖHRLE HAPP LUTHER GmbH Wirtschaftsprüfungsgesellschaft, Hamburg, MÖHRLE HAPP LUTHER, HamburgIs this your business?22%95%: 12 to 38%42%25%0%3 of 42.8
5ETL ADVISAAlso written ETL ADVISA Hamburg Steuerberatungsgesellschaft mbH, ETL ADVISA Steuerberatungsgesellschaft mbH – HamburgIs this your business?19%95%: 10 to 35%42%17%0%4 of 42.9
6Rödl & PartnerAlso written Rödl & Partner HamburgIs this your business?17%95%: 8 to 32%0%0%50%2 of 43.7
7Steuerberater Hamburg - Kanzlei Dr. Vossen & PartnerIs this your business?14%95%: 6 to 29%0%0%42%3 of 41.6
8Baker TillyAlso written Baker Tilly Hamburg, Baker Tilly Hamburg GmbH & Co. KG, Baker Tilly Steuerberatungsgesellschaft mbH, HamburgIs this your business?14%95%: 6 to 29%17%8%17%3 of 44.2
9HSP STEUERAlso written HSP STEUER Hamburg Nord, HSP STEUER Hamburg Nord Steuerberatungsgesellschaft mbH, HSP STEUER Hamburg WestIs this your business?11%95%: 4 to 25%0%33%0%2 of 42.5
10ADS Allgemeine Deutsche SteuerberatungsgesellschaftAlso written ADS Allgemeine Deutsche Steuerberatungsgesellschaft mbH – Hamburg, ADS Allgemeine Deutsche Steuerberatungsgesellschaft mbH, ADS Allgemeine Deutsche Steuerberatungsgesellschaft mbH, HamburgIs this your business?11%95%: 4 to 25%17%17%0%3 of 43.3
11Kanzlei am FleetAlso written Kanzlei am Fleet - Steuerberater Hamburg, Kanzlei am Fleet - Steuerberatung HamburgIs this your business?11%95%: 4 to 25%0%0%33%2 of 43.5
12HLB StückmannAlso written HLB Stückmann & PartnerIs this your business?11%95%: 4 to 25%8%0%25%1 of 45.3
13Warth & Klein Grant Thornton AGIs this your business?8%95%: 3 to 22%0%0%25%1 of 41
14WTS Steuerberatungsgesellschaft mbHIs this your business?8%95%: 3 to 22%0%0%25%1 of 41
15Dierkes PartnerAlso written Dierkes Partner – HamburgIs this your business?8%95%: 3 to 22%17%8%0%2 of 42
16Steuerberater Hamburg - Kanzlei Wulf & CollegenIs this your business?8%95%: 3 to 22%0%0%25%1 of 42
17ba groupIs this your business?8%95%: 3 to 22%0%25%0%2 of 42.3
18KPMG AG Wirtschaftsprüfungsgesellschaft, HamburgAlso written KPMG AG Wirtschaftsprüfungsgesellschaft – HamburgIs this your business?8%95%: 3 to 22%8%17%0%3 of 43
19Flick Gocke SchaumburgAlso written Flick Gocke Schaumburg, HamburgIs this your business?8%95%: 3 to 22%8%0%17%1 of 46
20Buchhaltungsbüro Hamburg – Steuerberatungsgesellschaft mbHIs this your business?6%95%: 2 to 18%17%0%0%1 of 41
21Kanzlei Dr. Vogl & PartnerAlso written Steuerberater Hamburg - Kanzlei Dr. Vogl & Partner, Steuerberatung Hamburg - Kanzlei Dr. Vogl & PartnerIs this your business?6%95%: 2 to 18%0%0%17%1 of 41
22SCHOMERUSAlso written Schomerus & Partner mbBIs this your business?6%95%: 2 to 18%0%17%0%1 of 42.5
23Buchhaltungsservice Sabine MeyerAlso written Buchhaltungsservice Hamburg - Inh. Sabine Meyer, Büroservice & Buchhaltung Hamburg - Sabine MeyerIs this your business?6%95%: 2 to 18%0%0%17%1 of 43
24Dornbach Hamburg GmbHAlso written Dornbach GmbH, HamburgIs this your business?6%95%: 2 to 18%8%8%0%1 of 43
25Steuerberater Hamburg - Kanzlei HHP Hanseatische Steuerberatungsgesellschaft mbHIs this your business?6%95%: 2 to 18%0%0%17%1 of 43
26BRL BOEGE ROHDE LUEBBEHUESENAlso written BRL Boege Rohde LuebbehuesenIs this your business?6%95%: 2 to 18%0%8%8%2 of 43.5
27ECOVISAlso written Ecovis Hamburg, Ecovis Hamburg Steuerberatungsgesellschaft mbHIs this your business?6%95%: 2 to 18%8%0%8%2 of 43.5
28Hanseatisches SteuerkontorIs this your business?6%95%: 2 to 18%0%0%17%1 of 43.5
29Kontist SteuerberatungAlso written Kontist Steuerberatungsgesellschaft mbHIs this your business?6%95%: 2 to 18%0%17%0%1 of 43.5
30Esche Schümann CommichauAlso written ESCHE SCHÜMANN COMMICHAU Steuerberatungsgesellschaft mbHIs this your business?6%95%: 2 to 18%8%8%0%2 of 44
31Steuerberater Hamburg - Kanzlei BSKP Dr. Broll · Schmitt · Kaufmann & PartnerIs this your business?6%95%: 2 to 18%0%0%17%1 of 44
32Kanzlei Dr. Kleeberg & PartnerAlso written Steuerberater Hamburg - Kanzlei Dr. Kleeberg & PartnerIs this your business?6%95%: 2 to 18%0%0%17%2 of 44.5

Each assistant column is the share of that assistant's own answers. Questions counts how many of the four produced the name at least once; position is where it came in the answer's list, 1 being first. 33 more names came up in a single answer and are counted above but not listed.

Is this your business?

See what the assistants say about your business today. The free checker asks ChatGPT, Claude, Gemini and Grok two of the Index questions for this category, with the category and the place already filled in, and shows every answer word for word. About 30 seconds, no sign-up.

Check your businessNamed above? Add the badgeWhat the audit does

What each assistant said

The same questions, the same number of times, and often different names. Each column is one assistant's top five from the ranking above, with the share of its own answers that named them.

#ChatGPTClaudeGemini
1BDO67%BDO42%Rödl & Partner50%
2MÖHRLE HAPP LUTHER42%Deloitte33%Steuerberater Hamburg - Kanzlei Dr. Vossen & Partner42%
3ETL ADVISA42%HSP STEUER33%Kanzlei am Fleet33%
4RSM Ebner Stolz33%MÖHRLE HAPP LUTHER25%BDO25%
5Deloitte33%ba group25%RSM Ebner Stolz25%

Named here? Put it on your site

Every business in the ranking was named in two or more answers. The badge says that and nothing more: no position, because the ranges above do not support one. It links back to this page, so anyone can check.

Correct or remove a listing
Named by AI assistants: Accountants in Hamburg, AIGROW AI Visibility Index, September 2026
<a href="https://aigrow.gg/index/accountants/hamburg"><img src="https://aigrow.gg/badges/index/2026-09/accountants/hamburg.svg" width="312" height="100" alt="Named by AI assistants: Accountants in Hamburg, AIGROW AI Visibility Index, September 2026"></a>

The questions

Asked word for word, three times each, to every assistant, in German. The English under each is our translation. The prompt is the one the free scan uses. No web search, no location and no chat history, so every answer starts from the same place.

  1. 1Wer ist der beste Steuerberater in Hamburg?Who is the best accountant in Hamburg?
  2. 2Ich habe ein kleines Unternehmen in Hamburg. Welche Steuerberatungskanzlei empfiehlst du?I run a small business in Hamburg. Which accounting firm would you recommend?
  3. 3Ich bin selbstständig und brauche in Hamburg Hilfe bei meiner Steuererklärung. Welchen Steuerberater soll ich nehmen?I'm self-employed and need help with my tax return in Hamburg. Which tax adviser should I use?
  4. 4Welches Buchhaltungsbüro in Hamburg würdest du einem kleinen Unternehmen empfehlen?Which bookkeeping service in Hamburg would you recommend for a small company?

How to read this page

The full method
What it measures
Which names these models produce when asked cold, from what they learned in training. It is not a review, a rating or our recommendation, and a business missing here may simply be one the models were never shown.
Why the ranges matter
36 answers is a sample. Asked again next month, most shares will move by a few points; the ranges say how far they could move by chance alone.
One business, several spellings
Branches, legal suffixes and spellings of one business are merged, and the other spellings are printed under its name. Names that might be two businesses are kept apart.
A name is wrong
If a business here is closed, misnamed or yours and you want it removed, tell us. We correct or remove it when the page is next published.

Where the assistants look

The sites read most often, with web search on, before the assistants answer about this category in Germany. From the AI Source Map: 8 answers.

See every site for this category
werkenntdenbesten.de
Read in 88% of the answers
reddit.com
Read in 88% of the answers
wikipedia.org
Read in 88% of the answers

Elsewhere in the Index

Accountants elsewhere
BerlinCologneDüsseldorfFrankfurtMunichStuttgart
Also in Hamburg
DentistsLawyersPlumbersGymsReal estate agenciesRestaurants

Is your business on this list?

The free scan asks the same assistants the questions your customers ask, scores whether they name you, and lists who they name instead.

Run the free AI scanRead the method

Edition September 2026 · published by Guglielmo Paesano, founder of AIGROW · data under CC BY 4.0