Company lists · Data verified August 2026

Top 25 Advocacy consulting firms based in Switzerland

Name: Advocacy consulting firms based in Switzerland
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 74 companies tracked

There are 74 advocacy consulting firms headquartered in Switzerland (RevenueBase, August 2026). RevenueBase tracks 241 professional contacts across them, including 81 with verified work emails and 19 with mobile numbers. Zurich is the largest hub.

This list covers advocacy consulting firms headquartered in Switzerland, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

74Companies

241Contacts tracked

81Verified emails

19Mobile numbers

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The 25 largest advocacy consulting firms based in Switzerland

Ranked by team size

Top 25 of 74 advocacy consulting firms based in Switzerland, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Hirzel.Neef.Schmid.Konsulenten AG Leading For More Than 29 Years	Zurich	11-50	16	9
2	Swisscontent AG	Zurich	11-50	14	6
3	Senarclens, LEU Partner AG	Zurich	11-50	12	8
4	Advocacy AG	Basel	11-50	12	3
5	Holenstein Brusa LTD	Zurich	11-50	10	5
6	BPC Bolz Partner Consulting AG	Bern	1-10	8	6
7	Eyetalk Communications	Geneva	1-10	7	6
8	Massari Olbrich	Rotkreuz	1-10	7	6
9	GFPS	Geneva	11-50	5	1
10	Kampagnenforum Gmbh	n/a	11-50	4	4
11	Kommunikationsplan AG	Bern	11-50	4	2
12	Comm.Versa Gmbh	Basel	1-10	4	2
13	VD COM	Lausanne	1-10	4	1
14	Paxedra AG	Zug	1-10	4	1
15	LR Communication	Martigny	1-10	3	2
16	WAT Partners	Ginebra	1-10	3	1
17	Kesper Wegelin AG	Winterthur	1-10	2	2
18	Schalltter	n/a	1-10	2	2
19	LEX GO AG	Baden	1-10	2	1
20	Ropa Consulting	Fallanden	1-10	2	1
21	Evolution Consulting	Lugano	1-10	2	1
22	AS Legal SA	Lausanne	1-10	2	1
23	Notter & Notter Kommunikation AG	St. Gallen	1-10	1	1
24	Kavanders & CO	Hergiswil	1-10	1	1
25	Zamzow Consulting	Lausanne	1-10	1	1

Showing 25 of 74 advocacy consulting firms based in Switzerland

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Advocacy consulting firms based in Switzerland at a glance

As of Aug 28, 2026

1-10Median size (employees)

ZurichLargest hub · 14 HQs

19Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

Advocacy consulting firms by metro

Metro	Companies
Advocacy consulting firms in Zurich	14
Advocacy consulting firms in Basel	6
Advocacy consulting firms in Geneva	5
Advocacy consulting firms in Lausanne	5
Advocacy consulting firms in Bern	4
Advocacy consulting firms in Zug	3
Advocacy consulting firms in Geneve	3
Advocacy consulting firms in Lugano	2

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “advocacy consulting firms”, with match quality audited by blind human judging, and headquartered in Switzerland.
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: Contact records re-verify on a rolling cadence; 0 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many advocacy consulting firms are there based in Switzerland?

There are 74 advocacy consulting firms headquartered in Switzerland as of August 2026 (RevenueBase).

What is the largest company on this list?

Hirzel.Neef.Schmid.Konsulenten AG Leading For More Than 29 Years, headquartered in Zurich, tops this list with the largest team on record.

Which city has the most advocacy consulting firms?

Zurich leads with 14 headquartered companies, followed by Basel (6) and Geneva (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 81 verified decision-maker contacts tracked across these 74 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.