Company lists · Data refreshed November 2026

Top 10 Biodiversity organizations based in Hamburg, Germany

RevenueBase identified 25 company matches for biodiversity organizations associated with Hamburg, Germany as of November 2026 and tracks 398 professional contacts across them, including 102 with verified work emails. Across Germany, Berlin is the largest hub for this category (66 companies); Hamburg follows with 25.

This list covers company matches for biodiversity organizations associated with Hamburg, Germany, 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
25Companies
398Contacts tracked
102Verified emails
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The 10 largest biodiversity organizations based in Hamburg, Germany

Ranked by team size
Top 10 of 25 company matches for biodiversity organizations based in Hamburg, Germany, 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 matchHamburg, GermanyHQ recorded Nov 6, 2026201-500171 contacts →

Exact match

“Greenpeace ist eine internationale Umweltorganisation, die seit 50 Jahren mit gewaltfreien Aktionen für den Schutz der Lebensgrundlagen kämpft.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchHamburg, GermanyHQ recorded Nov 6, 202651-20038 contacts →

Exact match

“Die Deutsche Wildtier Stiftung ist eine unabhängige, gemeinnützige private Naturschutzstiftung, die sich für den Schutz heimischer Wildtiere und ihrer Lebensräume einsetzt.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchHamburg, GermanyHQ recorded Nov 6, 202611-5024 contacts →

Exact match

“GFA Certification GmbH, based in Hamburg, Germany, is one of the leading and highly specialized certification bodies in the fields of sustainability certification.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchHamburg, GermanyHQ recorded Nov 6, 202611-5019 contacts →

Exact match

“Als Netzwerk setzt sich BAUM e.V.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchHamburg, GermanyHQ recorded Nov 6, 20261-1012 contacts →

Exact match

“We at Soilytix are pioneers in the field of environmental DNA (eDNA) for soil & biodiversity monitoring.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchHamburg, GermanyHQ recorded Nov 6, 202611-509 contacts →

Exact match

“The oceans are valuable sources of food, raw materials and energy, an undiscovered reservoir of biological diversity, essential for recreation and crucial for transportation and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchHamburg, GermanyHQ recorded Nov 6, 202611-507 contacts →

Exact match

“NABU Hamburg is a local nature conservation organisation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchHamburg, GermanyHQ recorded Nov 6, 202611-505 contacts →

Exact match

“Der SALZWASSER e.V.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchHamburg, GermanyHQ recorded Nov 6, 202611-503 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchHamburg, GermanyHQ recorded Nov 6, 20261-101 contacts →

Exact match

“Die Stiftung Unternehmen Wald ist eine gemeinnützige Stiftung aus Hamburg, die sich für die Förderung des Naturschutzes, der Umweltbildung und der Waldforschung einsetzt.”

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

Showing 10 of 25 biodiversity organizations based in Hamburg, Germany

See the full list, filter by size, metro and specialty, and access 102 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Biodiversity organizations based in Hamburg, Germany at a glance

As of Nov 6, 2026
25.6%Verified-email coverage
15.9Average contacts per company
11-50Median size (employees)
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
11
11-50
10
51-200
1
201-500
1

Email recency for this list is measured across the whole Germany list rather than for Hamburg, so it is reported there. Company counts and contact totals on this page are exact for Hamburg, over 25 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 Hamburg, Germany whose business descriptions match “biodiversity organizations” 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 102 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.

Biodiversity organizations by metro in Germany

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 “biodiversity organizations”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many biodiversity organizations are there based in Hamburg, Germany?

RevenueBase identified 25 company matches for biodiversity organizations associated with Hamburg, Germany 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?

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

Which city in Germany has the most biodiversity organizations?

Berlin leads Germany with 66 company records, followed by Hamburg (25) and Munich (24).

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 102 professional contacts with verified work emails tracked across these 25 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.