Company lists · Data refreshed September 2026
Top 25 Weatherproofing and sealing companies based in Germany
RevenueBase identified 208 weatherproofing and sealing companies headquartered in Germany as of September 2026 and tracks 1,355 professional contacts across them, including 496 with verified work emails. Berlin is the largest hub.
This list covers weatherproofing and sealing companies headquartered in Germany, 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 weatherproofing and sealing companies based in Germany
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 132 contacts → | ||||
Partial evidence “Hauff-Technik is a leading manufacturer of sealing systems for cables, pipes, and building entries – serving applications in private residential construction as well as in…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 2 | 116 contacts → | ||||
Indirect evidence “For more than 140 years, OTTO has stood for uncompromising quality, the highest level of expertise & innovative solutions for special tasks in industry, trade and craftsmanship –…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 3 | 86 contacts → | ||||
Indirect evidence “SOPREMA ist ein Komplettanbieter hochqualitativer und innovativer Abdichtungs- und Dämmprodukte.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 4 | 84 contacts → | ||||
Indirect evidence “As the leading European specialist for PMMA liquid applied waterproofing, there is one thing we have learnt over the past 40 years: having an outstanding product is not enough to…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 5 | 70 contacts → | ||||
Partial evidence “SAFE IS SIMPLY SAFE DOYMA is a leading manufacturer of sealing and fire protection systems based in Oyten.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 6 | 49 contacts → | ||||
Partial evidence “DENSO - Advanced in sealing.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 7 | 48 contacts → | ||||
Indirect evidence “Seit der Gründung im Jahr 1965 hat sich das Unternehmen Holl Flachdachbau GmbH & Co.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 8 | 47 contacts → | ||||
Indirect evidence “KÖSTER BAUCHEMIE AG has been developing and selling systems for waterproofing buildings for 40 years.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 9 | 38 contacts → | ||||
Indirect evidence “Die hemmerschütz Solution GmbH ist auf den Schutz und die Bearbeitung verschiedenster Oberflächen spezialisiert- Korrosionsschutz - Bauwerks- und Fundamentabdichtungen -…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 10 | 35 contacts → | ||||
Indirect evidence “Mit der WestWood Kunststofftechnik GmbH steht Ihnen ein kompetenter Partner im Bereich der Flüssigabdichtungen und -beschichtungen zur Seite.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 11 | 27 contacts → | ||||
Indirect evidence “CARLISLE® CM Europe – Abdichtung mit System.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 12 | 27 contacts → | ||||
Indirect evidence “VIP´s innovative coating technologies provide superior surface protection against abrasion, impact, corrosion and chemical attack.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 13 | 22 contacts → | ||||
Indirect evidence “Die Roxtec Group mit Sitz in Karlskrona, Schweden, ist der weltweit führende Anbieter von flexiblen, innovativen Kabel- und Rohrdurchführungen.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 14 | 14 contacts → | ||||
Indirect evidence “We develop, market and fabricate tested products suitable for all window and facade systems of repute, such as e.g.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 15 | 14 contacts → | ||||
Indirect evidence “Tricosal – Bauwerksabdichtung in Perfektion Seit über 100 Jahren bietet Tricosal maßgeschneiderte Abdichtungslösungen für alle Arten von Bauwerken.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 16 | 13 contacts → | ||||
Partial evidence “Since 1998, we have been a trusted partner for professional sealing and bonding solutions in the German-speaking market.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 17 | 12 contacts → | ||||
Indirect evidence “There are many bathroom waterproofing systems.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 18 | 11 contacts → | ||||
Indirect evidence “Willkommen bei Drytech Abdichtungstechnik – als Pioniere auf dem Feld der Abdichtungstechnik sind wir in Deutschland seit dem Jahr 1968 am Markt und haben bereits tausende…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 19 | 11 contacts → | ||||
Indirect evidence “Kebu develops and produces innovative systems for corrosion protection, waterproofing of buildings and for new road construction and infrastructure maintenance.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 20 | 10 contacts → | ||||
Indirect evidence “Euroteam Bauchemie GmbH offers system solutions for environmental, soil, and water protection.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 21 | 10 contacts → | ||||
Indirect evidence “Unterweger Isolierungen GmbH is a construction company based out of 17 Gewerkenstraße, Bad Reichenhall, Bavaria, Germany.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 22 | 9 contacts → | ||||
Indirect evidence “Bei LÜCKE erhalten Sie hochwertige Abdichtung, Schutz- und Bewehrungslösungen von renommierten Markenherstellern sowie hochwertige Eigenmarken.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 23 | 8 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 24 | 8 contacts → | ||||
Indirect evidence “Eisedicht is a building materials company based out of Industriestraße 3, 32694 Dörentrup, Germany.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 25 | 8 contacts → | ||||
Indirect evidence 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: weatherproofing and sealing companies. 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 weatherproofing and sealing companies.
- Partial evidence
- Its own public description names part of weatherproofing and sealing companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name weatherproofing and sealing companies. 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 208 weatherproofing and sealing companies based in Germany
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Weatherproofing and sealing companies based in Germany at a glance
As of Sep 29, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for Germany, so it is reported there. Company counts and contact totals on this page are exact for Germany, over 208 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 weatherproofing and sealing companies, 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 Germany whose own description of what they do matches “weatherproofing and sealing companies”. 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 weatherproofing and sealing companies), 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 weatherproofing and sealing companies, and records with no verified work email. Companies headquartered outside Germany 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, 496 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 weatherproofing and sealing companies, 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 weatherproofing and sealing companies are there based in Germany?
RevenueBase identified 208 weatherproofing and sealing companies headquartered in Germany 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?
Hauff-Technik, headquartered in Hermaringen, tops this list with the largest team on record.
Which city has the most weatherproofing and sealing companies?
Berlin leads with 6 headquartered companies, followed by Hamburg (6) and Bamberg (3).
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 496 verified decision-maker contacts tracked across these 208 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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