Company lists · Data refreshed November 2026

Top 25 Contract engineering services based in Switzerland

RevenueBase identified 169 company matches for contract engineering services associated with Switzerland as of November 2026 and tracks 2,303 professional contacts across them, including 1,173 with verified work emails. Zurich is the largest hub.

This list covers company matches for contract engineering services associated with Switzerland, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed November 6, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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 RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
169Companies
2,303Contacts tracked
1,173Verified emails
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The 25 largest contract engineering services based in Switzerland

Ranked by team size
Top 25 of 169 company matches for contract engineering services based in Switzerland, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchZurich, SwitzerlandHQ recorded Nov 6, 20261,001-5,000571 contacts →

Exact match

“Ü Ingenieurskunst bedeutet, mit Ressourcen richtig umzugehen.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchLiestal, SwitzerlandHQ recorded Nov 6, 2026501-1,000276 contacts →

Exact match

“For over 90 years, HOLINGER has been solving engineering and scientific tasks in various fields related to the water cycle.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchWinterthur, SwitzerlandHQ recorded Nov 6, 202651-20089 contacts →

Exact match

“Development services in mechanical, electrical and software engineering, as well as project management.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchSwitzerlandHQ recorded Nov 6, 2026n/a89 contacts →

Exact match

“ALTEN, the European leader in engineering and technology consulting, provides support for its clients’ development strategies in the fields of innovation, R&D and it systems.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchWil, SwitzerlandHQ recorded Nov 6, 202651-20062 contacts →

Exact match

“Bauprojekte sind Teamleistungen.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchBasel, SwitzerlandHQ recorded Nov 6, 202651-20050 contacts →

Exact match

“Wir sind Ihr Partner für Generalplanung, Projekt- und Baumanagement sowie Architektur und Ingenieurdienstleistungen.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchKaiseraugst, SwitzerlandHQ recorded Nov 6, 2026201-50045 contacts →

Exact match

“Voller Einsatz für all Ihre Bauvorhaben Ob es sich um kleinere handwerkliche Arbeiten oder um ein Grossprojekt handelt, beides ist bei uns in den richtigen Händen.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchBasel, SwitzerlandHQ recorded Nov 6, 202651-20044 contacts →

Exact match

“The art of engineering.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchTramelan, SwitzerlandHQ recorded Nov 6, 202651-20035 contacts →

Exact match

“Le Groupe GVH est un groupement de bureaux d'ingénieurs offrant les prestations de conception, de réalisation d'ouvrage, et de conseils en matière technique dans le domaine du…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchBellinzona, SwitzerlandHQ recorded Nov 6, 202611-5033 contacts →

Exact match

“Evolve SA nasce nel 2008 come studio di ingegneria multidisciplinare ed è cresciuta fino a diventare un partner che, a seconda delle necessità, è in grado di accompagnare clienti…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchSierre, SwitzerlandHQ recorded Nov 6, 202611-5032 contacts →

Exact match

“Notre bureau est une société d'ingénieurs spécialisés dans les principaux domaines de l'ingénierie civile, ce qui lui permet de résoudre les problèmes complexes liés à l'étude et…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchZürich, SwitzerlandHQ recorded Nov 6, 202651-20028 contacts →

Exact match

“Die Tradition der Flückiger + Bosshard AG, als Teil einer innovativen, leistungsstarken und unabhängigen Ingenieurgruppe im Ingenieurbau reicht zurück bis ins Jahr 1964.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchStans, SwitzerlandHQ recorded Nov 6, 202611-5020 contacts →

Exact match

“Kurzbeschrieb Die Aceon AG ist für Sie der Dienstleister für komplexe Aufgaben in der Produktentwicklung.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchPfäffikon, SwitzerlandHQ recorded Nov 6, 202611-5020 contacts →

Exact match

“Neue Produkte, Maschinen und Anlagen zu entwickeln und bestehende zu optimieren, das ist unsere Kompetenz und Leidenschaft.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchZürich, SwitzerlandHQ recorded Nov 6, 202611-5020 contacts →

Exact match

“Das Ingenieurbureau Heierli wurde 1957 in Zürich gegründet.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchYverdon-les-bains, SwitzerlandHQ recorded Nov 6, 202611-5020 contacts →

Exact match

“Notre mission est de fournir des prestations d’ingénieurs civils pour conseiller et accompagner un Maître de l’ouvrage dans la conception et la réalisation de ses objectifs, de…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchHorgen, SwitzerlandHQ recorded Nov 6, 202611-5017 contacts →

Exact match

“TEQABLE AG ist ein Dienstleistungsunternehmen für Engineering, interdisziplinäre Produktentwicklung und Innovation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchBern, SwitzerlandHQ recorded Nov 6, 202611-5017 contacts →

Exact match

“Firma: Seit 1982 ist NBG Ingenieure AG eine unabhängige Aktiengesellschaft, die ihre Kunden zu allen Energie- und Technikfragen beim Bau und der Sanierung grosser Gebäude berät.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchBrig, SwitzerlandHQ recorded Nov 6, 202611-5015 contacts →

Exact match

“Wir sind Ihr zuverlässiger und engagierter Partner für eine zielgerichtete und faire Zusammenarbeit.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchLangenthal, SwitzerlandHQ recorded Nov 6, 202611-5014 contacts →

Exact match

“Häusler Ingenieure AG, Ihr Partner für ein erfolgreiches Projekt”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchParadiso, SwitzerlandHQ recorded Nov 6, 202611-5012 contacts →

Exact match

“Lo studio d’ingegneria Lucini Cesare Sagl, a Paradiso nasce dall’iniziativa del suo titolare il quale, dopo aver collaborato per dodici anni alla realizzazione di importanti…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchCointrin, SwitzerlandHQ recorded Nov 6, 202611-5012 contacts →

Exact match

“Geos Ingénieurs-Conseils SA est un bureau d'ingénieurs conseils spécialisés en génie civil, structures, géotechnique, hydraulique et environnement.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchGstaad, SwitzerlandHQ recorded Nov 6, 202611-5011 contacts →

Exact match

“Egger Ingenieure AG is an owner-managed engineering firm specialising in construction planning and project management, founded in 1980, employing 12 people based in Gstaad.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchZurich, SwitzerlandHQ recorded Nov 6, 202611-5011 contacts →

Exact match

“DREICON wurde 2010 durch Niels Hochuli gegründet.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchEcublens, SwitzerlandHQ recorded Nov 6, 202611-5011 contacts →

Exact match

“Oratek is a Swiss-based engineering consulting firm, established in 2018.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 169 contract engineering services based in Switzerland

See the full list, filter by size, metro and specialty, and access 1,173 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Contract engineering services based in Switzerland at a glance

As of Nov 6, 2026
50.9%Verified-email coverage
13.6Average contacts per company
1-10Median size (employees)
10.1%Largest-city concentration · Zurich
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
101
11-50
51
51-200
9
201-500
2
501-1,000
1
1,001-5,000
1
10001+
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 169 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with Switzerland whose business descriptions match “contract engineering services” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 1,173 professional contacts with verified work emails across the full matched dataset. 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 November 6, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “contract engineering services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many contract engineering services are there based in Switzerland?

RevenueBase identified 169 company matches for contract engineering services associated with Switzerland as of November 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Amstein Walthert tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most contract engineering services?

Zurich leads with 17 company records, followed by Lausanne (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 limited free results with 500 credits to start. Upgrading provides access to the 1,173 professional contacts with verified work emails tracked across these 169 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on November 6, 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 SmartSearch, 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.