Company lists · Data refreshed September 2026

Top 25 Accounting firm operational efficiency consultants based in Switzerland

RevenueBase identified 128 accounting firm operational efficiency consultants headquartered in Switzerland as of September 2026 and tracks 306 professional contacts across them, including 104 with verified work emails. Zurich is the largest hub.

This list covers accounting firm operational efficiency consultants headquartered in Switzerland, 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 27, 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 27, 2026 86% judged on-target in blind review
128Companies
306Contacts tracked
104Verified emails
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The 25 largest accounting firm operational efficiency consultants based in Switzerland

Ranked by team size
Top 25 of 128 accounting firm operational efficiency consultants based in Switzerland, ranked by team size, largest first. Data refreshed Sep 27, 2026. RevenueBase Smart Search rates how each company's information relates to accounting firm operational efficiency consultants: 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 evidenceWinterthur, SwitzerlandHQ checked Sep 27, 202611-5017 contacts →

Indirect evidence

“Consultive ist Ihr KMU Partner für Revision, Treuhand und Unternehmensberatung in Winterthur.”

Source: RevenueBase Database · checked Sep 27, 2026
2Indirect evidenceGeneva, SwitzerlandHQ checked Sep 27, 202611-5010 contacts →

Indirect evidence

“Dryden ICS SA is an international firm of Chartered Accountants based in Geneva and London.”

Source: RevenueBase Database · checked Sep 27, 2026
3Indirect evidenceLyss, SwitzerlandHQ checked Sep 27, 202611-5010 contacts →

Indirect evidence

“Immer mehr Banken bieten für Kleinunternehmen und Startups integrierte webbasierte Buchhaltungs- und Auftragssoftware an.”

Source: RevenueBase Database · checked Sep 27, 2026
4Strong evidenceBaden, SwitzerlandHQ checked Sep 27, 202611-508 contacts →

Strong evidence

“We have over fourty years experience in the fields of auditing, tax consulting, aspects of accounting services and management consultancy.”

Source: RevenueBase Database · checked Sep 27, 2026
5Indirect evidenceOlten, SwitzerlandHQ checked Sep 27, 20261-108 contacts →

Indirect evidence

“Unser Unternehmen bietet hoch stehende Dienstleistungen in den Bereichen Wirtschaftsprüfung, Buchführung und Abschlussberatung sowie Steuer- und Unternehmensberatung an.”

Source: RevenueBase Database · checked Sep 27, 2026
6Partial evidenceLausanne, SwitzerlandHQ checked Sep 27, 20261-107 contacts →

Partial evidence

“The mission of ATCA is to provide our clients with excellent accounting, tax, financial analysis, business consulting, internal control and audit services.”

Source: RevenueBase Database · checked Sep 27, 2026
7Partial evidenceZürich, SwitzerlandHQ checked Sep 27, 20261-106 contacts →

Partial evidence

“Tarantino AG is an accounting company based out of Gartenstrasse 25, 8002 Zürich, Zurich, Switzerland.”

Source: RevenueBase Database · checked Sep 27, 2026
8Indirect evidenceEclepens, SwitzerlandHQ checked Sep 27, 20261-106 contacts →

Indirect evidence

“BTG is committed to helping clients achieve significant, sustainable gains in business performance.”

Source: RevenueBase Database · checked Sep 27, 2026
9Indirect evidenceSankt Gallen, SwitzerlandHQ checked Sep 27, 20261-105 contacts →

Indirect evidence

“Wirtschaftsprüfung Unternehmensberatung Steuerberatung Rechnungswesen”

Source: RevenueBase Database · checked Sep 27, 2026
10Indirect evidenceFrenkendorf, SwitzerlandHQ checked Sep 27, 20261-104 contacts →

Indirect evidence

“Buchhaltung | Steuern | Beratung Dafür stehen wir.”

Source: RevenueBase Database · checked Sep 27, 2026
11Indirect evidenceChâtel-st-denis, SwitzerlandHQ checked Sep 27, 20261-104 contacts →

Indirect evidence

“Souhaitez-vous optimiser vos résultats, analyser vos processus ou évaluer vos équipes?”

Source: RevenueBase Database · checked Sep 27, 2026
12Indirect evidenceNenzlingen, SwitzerlandHQ checked Sep 27, 20261-104 contacts →

Indirect evidence

“Handeln.”

Source: RevenueBase Database · checked Sep 27, 2026
13Indirect evidenceWollerau, SwitzerlandHQ checked Sep 27, 20261-104 contacts →

Indirect evidence

“Die prozessraum AG ist die vertrauensvolle Partnerin für die nachhaltige Prozess- und Teamoptimierung.”

Source: RevenueBase Database · checked Sep 27, 2026
14Partial evidenceHergiswil, SwitzerlandHQ checked Sep 27, 202611-503 contacts →

Partial evidence

“Accounting, Controlling and Tax”

Source: RevenueBase Database · checked Sep 27, 2026
15Indirect evidenceSolothurn, SwitzerlandHQ checked Sep 27, 20261-103 contacts →

Indirect evidence

“Buchführung und Abschlussberatung, Steuer- und Unternehmensberatung sowie Revisionen - wir verknüpfen wo möglich unsere Dienstleistungen mit sinnvollen IT-Lösungen um…”

Source: RevenueBase Database · checked Sep 27, 2026
16Indirect evidenceBasel, SwitzerlandHQ checked Sep 27, 20261-103 contacts →

Indirect evidence

“Wir optimieren und professionalisieren die Finanzen, das Personal und die organisatorischen Abläufe von ehrgeizigen Unternehmen.”

Source: RevenueBase Database · checked Sep 27, 2026
17Partial evidenceFribourg, SwitzerlandHQ checked Sep 27, 20261-103 contacts →

Partial evidence

“Fiducie'r is your partner of choice, giving you access to a network of professionals offering a wide range of services including auditing, accounting, payroll management, taxation…”

Source: RevenueBase Database · checked Sep 27, 2026
18Indirect evidenceFreienbach, SwitzerlandHQ checked Sep 27, 20261-103 contacts →

Indirect evidence

“Unternehmensberatung Steuern Rechnungswesen Revisionen”

Source: RevenueBase Database · checked Sep 27, 2026
19Indirect evidencePratteln, SwitzerlandHQ checked Sep 27, 20261-103 contacts →

Indirect evidence

“Wir bieten folgende Dienstleistungen an- Buchhaltung - Wirtschaftsprüfung - Beratung - Digitalisierung von Prozessen Spezialisiert sind wir auf KMU Kunden und bieten vernünftige…”

Source: RevenueBase Database · checked Sep 27, 2026
20Indirect evidenceLausanne, SwitzerlandHQ checked Sep 27, 20261-103 contacts →

Indirect evidence

“Habilis Conseil est une société de conseil en management spécialisée dans l’efficacité du fonctionnement interne.”

Source: RevenueBase Database · checked Sep 27, 2026
21Indirect evidenceGlattbrugg, SwitzerlandHQ checked Sep 27, 20261-103 contacts →

Indirect evidence

“Wir bieten Beratung und Dienstleistungen für Unternehmen an in den Bereichen Buchhaltung, Steuern, Personalwesen, sowie diverse Geschäftsdienstleistungen wie Firmengründungen…”

Source: RevenueBase Database · checked Sep 27, 2026
22Indirect evidenceBaar, SwitzerlandHQ checked Sep 27, 20261-102 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 27, 2026
23Indirect evidenceWollerau, SwitzerlandHQ checked Sep 27, 20261-102 contacts →

Indirect evidence

“novatik ag offers you a full service in order to support your company wide process and technology developments as well as change and line management.”

Source: RevenueBase Database · checked Sep 27, 2026
24Indirect evidenceIllnau-effretikon, SwitzerlandHQ checked Sep 27, 20261-102 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 27, 2026
25Indirect evidencePfäffikon, SwitzerlandHQ checked Sep 27, 20261-102 contacts →

Indirect evidence

“Buchhaltungen, Steuern, Unternehmensberatungen”

Source: RevenueBase Database · checked Sep 27, 2026

Showing 25 of 128 accounting firm operational efficiency consultants based in Switzerland

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Accounting firm operational efficiency consultants based in Switzerland at a glance

As of Sep 27, 2026
34.0%Verified-email coverage
2.4Average contacts per company
1-10Median size (employees)
9.4%Largest-city concentration · Zurich
Sep 27, 2026Page data refreshed

Companies by employee count

1-10
115
11-50
11
1,001-5,000
1

Email recency for this list is measured worldwide rather than for Switzerland, so it is reported there. Company counts and contact totals on this page are exact for Switzerland, over 128 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 accounting firm operational efficiency consultants, 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 Switzerland whose own description of what they do matches “accounting firm operational efficiency consultants”. 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 accounting firm operational efficiency consultants), 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 accounting firm operational efficiency consultants, and records with no verified work email. Companies headquartered outside Switzerland 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, 104 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 27, 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 accounting firm operational efficiency consultants, 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 accounting firm operational efficiency consultants are there based in Switzerland?

RevenueBase identified 128 accounting firm operational efficiency consultants headquartered in Switzerland 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?

Consultive, headquartered in Winterthur, tops this list with the largest team on record.

Which city has the most accounting firm operational efficiency consultants?

Zurich leads with 12 headquartered companies, followed by Lausanne (8) and Baar (5).

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 104 verified decision-maker contacts tracked across these 128 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 27, 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.