Company lists · Data refreshed September 2026

Top 20 Corporate sustainability software companies based in Belgium

RevenueBase identified 33 corporate sustainability software companies headquartered in Belgium as of September 2026 and tracks 253 professional contacts across them, including 94 with verified work emails. Brussels is the largest hub.

This list covers corporate sustainability software companies headquartered in Belgium, 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 27, 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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 27, 2026 86% judged on-target in blind review
33Companies
253Contacts tracked
94Verified emails
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The 20 largest corporate sustainability software companies based in Belgium

Ranked by team size
Top 20 of 33 corporate sustainability software companies based in Belgium, ranked by team size, largest first. Data refreshed Sep 27, 2026. RevenueBase Smart Search rates how each company's information relates to corporate sustainability software companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceAntwerp, BelgiumHQ checked Sep 27, 202611-5036 contacts →

Indirect evidence

“Many companies set ambitious Scope 3 targets, yet without reliable primary data they struggle to focus on what matters most and prove real impact.”

Source: RevenueBase Database · checked Sep 27, 2026
2Indirect evidenceBrussels, BelgiumHQ checked Sep 27, 202611-5031 contacts →

Indirect evidence

“Our mission is to support decision-making towards a sustainable world." – Bernard De Caevel, Founder of RDC Environment For more than 30 years, RDC Environment has been helping…”

Source: RevenueBase Database · checked Sep 27, 2026
3Partial evidenceBrussels, BelgiumHQ checked Sep 27, 202611-5029 contacts →

Partial evidence

“Tapio helps businesses understand and reduce their carbon footprint through a carbon management software and a team of experts.”

Source: RevenueBase Database · checked Sep 27, 2026
4Strong evidenceBelgiumHQ checked Sep 27, 202651-20022 contacts →

Strong evidence

“Sustainability reporting software for companies and financial institutions (EU Taxonomy, CSRD, and other emerging ESG standards)-”

Source: RevenueBase Database · checked Sep 27, 2026
5Partial evidenceBruxelles, BelgiumHQ checked Sep 27, 202611-5013 contacts →

Partial evidence

“The first integrated web solution allowing LCA management, sustainability reporting and end user communication.”

Source: RevenueBase Database · checked Sep 27, 2026
6Indirect evidenceWavre, BelgiumHQ checked Sep 27, 20261-1013 contacts →

Indirect evidence

“CAP CONSEIL is a private company specialized in research and consultancy services relating to social responsibility, sustainable development, governance and business ethics.”

Source: RevenueBase Database · checked Sep 27, 2026
7Partial evidenceEverberg, BelgiumHQ checked Sep 27, 20261-1012 contacts →

Partial evidence

“Sustainability has always been sold wrong.”

Source: RevenueBase Database · checked Sep 27, 2026
8Indirect evidenceLiège, BelgiumHQ checked Sep 27, 20261-109 contacts →

Indirect evidence

“Smart2Circle empowers companies and organizations to contribute to a carbon neutral world in 2050.”

Source: RevenueBase Database · checked Sep 27, 2026
9Indirect evidenceAntwerp, BelgiumHQ checked Sep 27, 20261-109 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 27, 2026
10Partial evidenceBrussels, BelgiumHQ checked Sep 27, 20261-106 contacts →

Partial evidence

“Data4Green | Your data transition towards competitive sustainability At the intersection of data expertise and sustainability, Data4Green designs and builds end-to-end data…”

Source: RevenueBase Database · checked Sep 27, 2026
11Indirect evidenceBrussels, BelgiumHQ checked Sep 27, 20261-105 contacts →

Indirect evidence

“At Terra Reporting, we are dedicated to helping organizations navigate the complexities of ESG reporting with our cutting-edge ESG Platform.”

Source: RevenueBase Database · checked Sep 27, 2026
12Indirect evidenceHarelbeke, BelgiumHQ checked Sep 27, 20261-104 contacts →

Indirect evidence

“E-Luse assists large (industrial) companies and SMEs in their mission to make their business more sustainable.”

Source: RevenueBase Database · checked Sep 27, 2026
13Indirect evidenceOttignies, BelgiumHQ checked Sep 27, 20261-104 contacts →

Indirect evidence

“Carbon Accounting Made Easy Track, reduce, and report your carbon emissions seamlessly”

Source: RevenueBase Database · checked Sep 27, 2026
14Indirect evidenceBruxelles, BelgiumHQ checked Sep 27, 20261-104 contacts →

Indirect evidence

“Pulsitive.impact develops innovative tools and solutions to transform companies and make them more sustainable.”

Source: RevenueBase Database · checked Sep 27, 2026
15Partial evidenceBrussels, BelgiumHQ checked Sep 27, 20261-104 contacts →

Partial evidence

“Willow is a sustainability advisory firm working with awesome companies in a variety of fascinating fields, from impact investing to retail, fashion, and telecommunications.”

Source: RevenueBase Database · checked Sep 27, 2026
16Indirect evidenceGhent, BelgiumHQ checked Sep 27, 20261-104 contacts →

Indirect evidence

“Building blocks for a better future.”

Source: RevenueBase Database · checked Sep 27, 2026
17Partial evidenceGhent, BelgiumHQ checked Sep 27, 20261-102 contacts →

Partial evidence

“Durably is an impact-driven company that matches passionate people with companies and organisations that see sustainability as a key element of their business model.”

Source: RevenueBase Database · checked Sep 27, 2026
18Partial evidenceGent, BelgiumHQ checked Sep 27, 20261-101 contacts →

Partial evidence

“SPARKS IMPACT helps sustainability leads move from ambition to shared ownership, so sustainability no longer depends on one person.”

Source: RevenueBase Database · checked Sep 27, 2026
19Partial evidenceWaterloo, BelgiumHQ checked Sep 27, 20261-101 contacts →

Partial evidence

“Your benefits to progress your sustainability strategy with Circle Dev- A PROFITABLE approach: my long experience in the industry gives me a sense of reality.”

Source: RevenueBase Database · checked Sep 27, 2026
20Partial evidenceBoechout, BelgiumHQ checked Sep 27, 20261-101 contacts →

Partial evidence

“FutureForward helps companies – big and small- to be part of the Ultimate Earth-jigsaw, by analysing your company, your ecosystem and together formulate your sustainability story.”

Source: RevenueBase Database · checked Sep 27, 2026

Showing 20 of 33 corporate sustainability software companies based in Belgium

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Corporate sustainability software companies based in Belgium at a glance

As of Sep 27, 2026
37.2%Verified-email coverage
7.7Average contacts per company
1-10Median size (employees)
30.3%Largest-city concentration · Brussels
Sep 27, 2026Page data refreshed

Companies by employee count

1-10
26
11-50
6
51-200
1

Email recency for this list is measured worldwide rather than for Belgium, so it is reported there. Company counts and contact totals on this page are exact for Belgium, over 33 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 corporate sustainability software 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 Belgium whose own description of what they do matches “corporate sustainability software 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 corporate sustainability software 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 corporate sustainability software companies, and records with no verified work email. Companies headquartered outside Belgium 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, 94 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 27, 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 corporate sustainability software 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 corporate sustainability software companies are there based in Belgium?

RevenueBase identified 33 corporate sustainability software companies headquartered in Belgium 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?

Climatecamp, headquartered in Antwerp, tops this list with the largest team on record.

Which city has the most corporate sustainability software companies?

Brussels leads with 10 headquartered companies, followed by Liege (4) and Antwerp (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 94 verified decision-maker contacts tracked across these 33 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 27, 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.