Company lists · Data refreshed September 2026
Top 25 Subsurface technical consulting firms based in Germany
RevenueBase identified 268 subsurface technical consulting firms headquartered in Germany as of September 2026 and tracks 1,427 professional contacts across them, including 493 with verified work emails. Berlin is the largest hub.
This list covers subsurface technical consulting firms 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 subsurface technical consulting firms based in Germany
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 104 contacts → | ||||
Indirect evidence “Dr.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 2 | 55 contacts → | ||||
Indirect evidence “DEEP.KBB is a leader in the field of sub-surface technology.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 3 | 50 contacts → | ||||
Indirect evidence “BauGrund Süd Gesellschaft für Geothermie mbH is an utilities company based out of MAYBACHSTRASSE 5, Bad Wurzach, Germany.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 4 | 39 contacts → | ||||
Indirect evidence “Sicherheit für Ihre Bauvorhaben – vom ersten Gutachten bis zur messtechnischen Überwachung.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 5 | 37 contacts → | ||||
Indirect evidence “Wir sind IGB!” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 6 | 37 contacts → | ||||
Indirect evidence “The core competencies of the GuD Group of companies comprise the applied geosciences, geotechnics, dynamics and environmental engineering.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 7 | 35 contacts → | ||||
Indirect evidence “Wir, Boley Geotechnik GmbH, sind ein mittelständisches Unternehmen mit insgesamt rund 50 Mitarbeitern an unserem Standort in München.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 8 | 21 contacts → | ||||
Partial evidence “ERDWERK GmbH is an independent planning office offering consulting services in the fields of geothermal energy, geology, hydrogeology, energetics and drilling technology.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 9 | 17 contacts → | ||||
Indirect evidence “Die KÜHN Geoconsulting® GmbH ist ein unabhängiges Gutachterbüro, das seit mehr als 50 Jahren in den Bereichen Baugrundberatung und Altlastensanierung tätig ist.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 10 | 17 contacts → | ||||
Indirect evidence “Wir sind ein unabhängiges Beratungs-Unternehmen für Geotechnik, Hydrogeologie und Umwelttechnik und beraten seit über 40 Jahren erfolgreich in allen Fragen zu Baugrund…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 11 | 17 contacts → | ||||
Indirect evidence “Wir haben gute Gründe – und das seit mehr als 33 Jahren Wir von der GTU geben Ihnen gerne gute Gründe mit uns zusammen zu arbeiten.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 12 | 16 contacts → | ||||
Indirect evidence “PeTerra - Gesellschaft für Altlastenmanagement, Umwelt- und Geotechnik mbH ist ein Ingenieurbüro mit den Schwerpunkten Umwelt, Wasser, Geotechnik, Baugrund und Kampfmittel mit…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 13 | 16 contacts → | ||||
Partial evidence “GeoAnalysis Engineering is a fast-growing, data-driven engineering and consulting firm with a multidisciplinary team of 35+ engineers and scientists.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 14 | 15 contacts → | ||||
Indirect evidence “BUCHHOLZ + PARTNER ist ein Gutachter- und Sachverständigenbüro mit den Tätigkeitsschwerpunkten Ingenieurgeologie, Baugrunderkundung und Geotechnik sowie Umweltplanung und…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 15 | 15 contacts → | ||||
Indirect evidence “AQUASOIL Ingenieure & Geologen GmbH excels in groundwater and surface water modelling, geotechnics, contaminated sites, water mangement, hydrogeology, hydrology, soil and…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 16 | 15 contacts → | ||||
Indirect evidence “Die GEO-LOG Ingenieurgesellschaft ist ein regional verbundenes, unabhängiges Ingenieur- und Beratungsunternehmen.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 17 | 14 contacts → | ||||
Indirect evidence “40+ Mitarbeiter*innen, über 50 Jahre Erfahrung, 1 Bodenmechanisches Labor Als Experten für den Baugrund befassen wir uns seit fast 50 Jahren mit allen Aspekten der Geotechnik, des…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 18 | 14 contacts → | ||||
Indirect evidence “Geries Ingenieure Büro für Standorterkundung GmbH is a mechanical or industrial engineering company based out of Gleichen-Reinhausen, Germany.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 19 | 13 contacts → | ||||
Indirect evidence “Als Ingenieurbüro mit ca.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 20 | 12 contacts → | ||||
Indirect evidence “Unser Leistungsspektrum umfasst alle Bereiche der Geotechnik, wie die Gründung von Wohn, Gewerbe und Industriebauten, die Sicherung von Baugruben und Böschungen sowie die…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 21 | 11 contacts → | ||||
Indirect evidence “Die Maul + Partner Baugrund-Ingenieurbüro GmbH wurde im Jahr 1990 gegründet und erbringt seit über 30 Jahren unabhängig und mit Erfolg geotechnische, hydrotechnische und…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 22 | 10 contacts → | ||||
Indirect evidence “Die BBI Ingenieur-Gesellschaft ist ein seit 1991 erfolgreich auf dem Gebiet der Geo- und Umwelttechnik etabliertes Ingenieurbüro.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 23 | 10 contacts → | ||||
Indirect evidence “An unseren Standorten in Berlin und Eching bündeln wir seit mehr als 25 Jahren, Expertise aus vier essenziellen Bereichen eines jeden Bauprojekts.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 24 | 10 contacts → | ||||
Indirect evidence “Sie benötigen Beratung oder Hilfe bei Fragestellungen aus dem Umweltbereich?” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 25 | 10 contacts → | ||||
Indirect evidence “Fundierten Baugrundanalysen, Brunnenbau und Tiefgründung.” 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: subsurface technical consulting firms. 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 subsurface technical consulting firms.
- Partial evidence
- Its own public description names part of subsurface technical consulting firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name subsurface technical consulting firms. 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 268 subsurface technical consulting firms based in Germany
See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 493 reachable decision-makers.
Free signup · no credit card
Subsurface technical consulting firms 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 268 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 subsurface technical consulting firms, 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 “subsurface technical consulting firms”. 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 subsurface technical consulting firms), 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 subsurface technical consulting firms, 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, 493 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 subsurface technical consulting firms, 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 subsurface technical consulting firms are there based in Germany?
RevenueBase identified 268 subsurface technical consulting firms 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?
Dr. Spang Ingenieurgesellschaft, headquartered in Witten, tops this list with the largest team on record.
Which city has the most subsurface technical consulting firms?
Berlin leads with 16 headquartered companies, followed by Munich (10) and Braunschweig (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 493 verified decision-maker contacts tracked across these 268 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.
Ready to reach these companies? Verified emails and direct dials for all 268 subsurface technical consulting firms based in Germany. Start with a free account, no credit card.
Download this list →Related lists
Subsurface technical consulting firms by geography
- Subsurface technical consulting firms based in Brisbane, Australia
- Subsurface technical consulting firms based in Melbourne, Australia
- Subsurface technical consulting firms based in Perth, Australia
- Subsurface technical consulting firms based in Belo Horizonte, Brazil
- Subsurface technical consulting firms based in Rio De Janeiro, Brazil
- Subsurface technical consulting firms based in Sao Paulo, Brazil
- Subsurface technical consulting firms based in Calgary, Canada
- Subsurface technical consulting firms based in Toronto, Canada
- Subsurface technical consulting firms based in Vancouver, Canada
- Subsurface technical consulting firms based in Santiago, Chile
- Subsurface technical consulting firms based in Lima, Peru
- Subsurface technical consulting firms based in Johannesburg, South Africa
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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Subsurface technical consulting firms based in Brisbane, Australia
- Subsurface technical consulting firms based in Melbourne, Australia
- Subsurface technical consulting firms based in Perth, Australia
- Subsurface technical consulting firms based in Belo Horizonte, Brazil
- Subsurface technical consulting firms based in Rio De Janeiro, Brazil
- Subsurface technical consulting firms based in Sao Paulo, Brazil