Company lists · Data refreshed September 2026
Top 25 Waterproofing services based in Switzerland
RevenueBase identified 232 waterproofing services headquartered in Switzerland as of September 2026 and tracks 1,160 professional contacts across them, including 314 with verified work emails. Geneva is the largest hub.
This list covers waterproofing services 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 29, 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.
The 25 largest waterproofing services based in Switzerland
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 99 contacts → | ||||
Strong evidence “Carpi Tech, established in 1963, is a Specialist Contractor for waterproofing geomembrane systems.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 2 | 60 contacts → | ||||
Strong evidence “WATERPROOFING Our specialized division for all kind of sealing operations in underground structures against pressurized and non-pressurized water.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 3 | 48 contacts → | ||||
Indirect evidence “Entreprise phare dans le domaine de l’étanchéité, mais avec des terminaux dans tous les cantons de Suisse romande, donc très proche de sa clientèle.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 4 | 35 contacts → | ||||
Indirect evidence “Soprema AG Schweiz – Ihr Partner für innovative Gebäudehüllen-Lösungen Seit über 100 Jahren steht SOPREMA für Pioniergeist und Qualität in der Baubranche.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 5 | 28 contacts → | ||||
Indirect evidence “Wir sind die schweizerische Marktführerin für die Ausführung von Flach- und Steildachsystemen bei Sanierungen und bei Neubauten.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 6 | 22 contacts → | ||||
Strong evidence “RASCOR is a globally active waterproofing company.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 7 | 19 contacts → | ||||
Indirect evidence “Spécialiste en ferblanterie, couverture, étanchéité, isolation, maintenance et réparation de toiture, Macullo SA met ses 60 ans d’expérience et son savoir-faire global au service…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 8 | 17 contacts → | ||||
Indirect evidence “Genolet Toiture Concept SA est une société spécialisée dans tous les domaines de la toiture.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 9 | 16 contacts → | ||||
Indirect evidence “BETOSAN AG Wir sind eine führende, national tätige Unternehmung in den Fachbereichen Bauwerkinstandsetzung, Bautenschutz und Brandschutz, Tragwerkverstärkung, Abdichtung…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 10 | 14 contacts → | ||||
Indirect evidence “Blue Toro Bautenschutz AG ist ein spezialisiertes Bauunternehmen.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 11 | 14 contacts → | ||||
Indirect evidence “Seit 1964 sind wir Profis im Abdichten.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 12 | 13 contacts → | ||||
Indirect evidence “SITAF SA, membro dell’associazione involucro svizzera, è attiva dal 1961 in ambito tetti, impermeabilizzazioni, isolamenti e protezioni antincendio con 30 collaboratori…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 13 | 13 contacts → | ||||
Indirect evidence “L’entreprise Travaux spéciaux Biollay SA est spécialisée dans plusieurs domaines dont : Assainissement des bétons & Protection des ouvrages : • Purge & Ragréage des bétons…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 14 | 13 contacts → | ||||
Indirect evidence “Als Spezialist im Bereich der Gebäudeabdichtung, insbesondere der Abdichtungstechnik "Weisse Wanne" ist die Firma Bollhalder Systemabdichtungen AG ein starker und kompetenter…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 15 | 13 contacts → | ||||
Strong evidence “Drytech has specialized in waterproofing since 1963 to guarantee architects, engineers and construction companies efficient solutions that last as long as the building, allow…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 16 | 12 contacts → | ||||
Indirect evidence “As a construction company, waprotec ag is your reliable partner in all areas of execution and implementation of plans drawn up by planners specialising in the sealing of buildings…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 17 | 10 contacts → | ||||
Indirect evidence “Exécution des travaux spéciaux dans le domaine du bâtiment, du génie civil et d’ouvrages d’art, notamment l’étanchéité et l’isolation des bâtiments, l’assainissement et le…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 18 | 9 contacts → | ||||
Indirect evidence “Es freut uns, Ihnen unsere Unternehmung JOHLER GUSSASPHALT AG vorstellen zu dürfen!” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 19 | 9 contacts → | ||||
Indirect evidence “Spezialisiert auf fugenlose Bodenaufbauten und –beläge Die Biollay Spezialbau AG ist Ihre Partnerin für individuelle Bodenaufbauten, Beschichtungen, Sichtböden, Hartbeton…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 20 | 8 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 21 | 8 contacts → | ||||
Indirect evidence “Menschen bei tüscherDach machen Bauten dicht!” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 22 | 8 contacts → | ||||
Indirect evidence “GROUPE BBL SA est disposée à vous accompagner lors de vos constructions.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 23 | 7 contacts → | ||||
Indirect evidence “Unsere Leistungen: Wasserschadensanierungen, Bautrocknungen, Kernbohrungen” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 24 | 7 contacts → | ||||
Indirect evidence “Verputzte Aussenwärmedämmung - innere Gipserarbeiten - Trockenbauarbeiten - Zertifiziert für Fugenlose Akustikdecke - innere und äussere Malerarbeiten - Stuckaturen -…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 25 | 6 contacts → | ||||
Indirect evidence “WestWood Kunststofftechnik AG Mit WestWood Kunststofftechnik AG steht Ihnen ein kompetenter und loyaler Partner im Bereich der Flüssigkunststoffabdichtungen und -beschichtungen…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: waterproofing services. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names waterproofing services.
- Partial evidence
- Its own public description names part of waterproofing services, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name waterproofing services. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 232 waterproofing services based in Switzerland
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Waterproofing services based in Switzerland at a glance
As of Sep 29, 2026Companies by employee count
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 232 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 waterproofing services, 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 “waterproofing services”. 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 waterproofing services), 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 waterproofing services, 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, 314 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 29, 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 waterproofing services, 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 waterproofing services are there based in Switzerland?
RevenueBase identified 232 waterproofing services 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?
Carpi Tech, headquartered in Balerna, tops this list with the largest team on record.
Which city has the most waterproofing services?
Geneva leads with 5 headquartered companies, followed by Lausanne (4) and Neuenhof (4).
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 314 verified decision-maker contacts tracked across these 232 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 29, 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.
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