Company lists · Data verified August 2026

Top 25 Enterprise IT infrastructure companies based in Switzerland

Name: Enterprise IT infrastructure companies based in Switzerland
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 343 companies tracked

There are 343 enterprise IT infrastructure companies headquartered in Switzerland (RevenueBase, August 2026). RevenueBase tracks 3,957 professional contacts across them, including 1,485 with verified work emails and 135 with mobile numbers. Zurich is the largest hub.

This list covers enterprise IT infrastructure companies 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.

343Companies

3,957Contacts tracked

1,485Verified emails

135Mobile numbers

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The 25 largest enterprise IT infrastructure companies based in Switzerland

Ranked by team size

Top 25 of 343 enterprise IT infrastructure companies 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	API SA	Lausanne	n/a	667	38
2	ITS Group S.A	Carouge	1,001-5,000	345	136
3	Bithawk AG	Winterthur	51-200	170	113
4	Itris ONE AG	Lamone	51-200	122	79
5	Tebicom SA	Petit-Lancy	51-200	92	55
6	Darest	Geneva	51-200	70	51
7	Smartit Services AG	Bern	51-200	68	53
8	Convotis Schweiz	Rotkreuz	51-200	68	23
9	Lake Solutions AG	Wallisellen	51-200	62	41
10	A. Baggenstos & Co. AG	Wallisellen	51-200	59	33
11	Dplan AG	Solothurn	51-200	57	28
12	Ixion Services	Chexbres	51-200	48	25
13	Begasoft AG	Bern	11-50	41	20
14	groupe.id	La Chaux-De-Fonds	11-50	37	18
15	Care4it AG	Zurich	11-50	33	20
16	Tiberone	Geneva	51-200	33	18
17	Info Centro SA	Manno	11-50	33	9
18	4it Solutions	Gravesano	11-50	31	12
19	PSS IT Solutions SA	Chene-Bourg	11-50	30	1
20	Evok - Altern8 SA	Renens Vd	11-50	29	17
21	Netsafe AG	St. Gallen	11-50	27	18
22	Kallysoft Informatik AG	Allschwil	51-200	26	17
23	Delta Informatica SA	Mendrisio	11-50	26	9
24	Bison IT Services AG	Winterthur	201-500	23	7
25	Keyit SA	Vernier	11-50	21	4

Showing 25 of 343 enterprise IT infrastructure companies based in Switzerland

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Enterprise IT infrastructure companies based in Switzerland at a glance

As of Aug 28, 2026

1-10Median size (employees)

ZurichLargest hub · 15 HQs

135Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

197

11-50

110

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

Enterprise IT infrastructure companies by metro

Metro	Companies
Enterprise IT infrastructure companies in Zurich	15
Enterprise IT infrastructure companies in Bern	11
Enterprise IT infrastructure companies in Basel	10
Enterprise IT infrastructure companies in Zug	9
Enterprise IT infrastructure companies in Geneve	8
Enterprise IT infrastructure companies in Geneva	8
Enterprise IT infrastructure companies in Winterthur	7

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 “enterprise IT infrastructure companies”, 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 enterprise IT infrastructure companies are there based in Switzerland?

There are 343 enterprise IT infrastructure companies headquartered in Switzerland as of August 2026 (RevenueBase).

What is the largest company on this list?

API SA, headquartered in Lausanne, tops this list with the largest team on record.

Which city has the most enterprise IT infrastructure companies?

Zurich leads with 15 headquartered companies, followed by Bern (11) and Basel (10).

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 1,485 verified decision-maker contacts tracked across these 343 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.