Company lists · Data refreshed November 2026

Top 24 Decarbonization consulting firms based in Belgium

RevenueBase identified 168 company matches for decarbonization consulting firms associated with Belgium as of November 2026 and tracks 1,739 professional contacts across them, including 724 with verified work emails. Brussels is the largest hub.

This list covers company matches for decarbonization consulting firms associated with Belgium, 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 5, 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 5, 2026 How this list was built
168Companies
1,739Contacts tracked
724Verified emails
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The 24 largest decarbonization consulting firms based in Belgium

Ranked by team size
Top 24 of 168 company matches for decarbonization consulting firms based in Belgium, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 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 matchAalst, BelgiumHQ recorded Nov 5, 2026n/a119 contacts →

Exact match

“Wij helpen industriële bedrijven hun energiekosten te verminderen.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2Exact matchHamme-mille, BelgiumHQ recorded Nov 5, 202611-5086 contacts →

Exact match

“CEE is a cleantech company that guides energy-intensive frontrunners to net zero in their industrial production processes.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3Exact matchBrussels, BelgiumHQ recorded Nov 5, 202651-20077 contacts →

Exact match

“Founded in 2006, HINICIO is a strategic consulting firm specialized in the decarbonization challenges of hard-to-abate sectors, with more than 20 years of experience in hydrogen…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4Exact matchWatermael-boitsfort, BelgiumHQ recorded Nov 5, 202651-20070 contacts →

Exact match

“Deplasse est un bureau d’études et de conseils qui offre une vision globale et transversale sur la transition énergétique incluant expertise technique, approche patrimoniale et…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5Exact matchGhent, BelgiumHQ recorded Nov 5, 202651-20065 contacts →

Exact match

“In forty years Bopro has emerged into a solid, renowned company specialised in Sustainable Real Estate Development, Project Management and Consultancy services in Europe.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6Exact matchBrussels, BelgiumHQ recorded Nov 5, 202611-5057 contacts →

Exact match

“CLIMACT empowers organizations, cities and public authorities to understand climate change and to achieve a zero-carbon sustainable society by 2050.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7Exact matchKortrijk, BelgiumHQ recorded Nov 5, 202651-20049 contacts →

Exact match

“E&C is an energy consultancy with an international team of energy experts that offer a unique blend of global capabilities and local expertise.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8Exact matchRemicourt, BelgiumHQ recorded Nov 5, 202651-20042 contacts →

Exact match

“Fondée en 2016 par deux frères, Sébastien et Michael Menu et issue de l'Université de Liège, Broptimize est aujourd'hui la référence en matière d'accompagnement dans la transition…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9Exact matchLiège, BelgiumHQ recorded Nov 5, 202611-5037 contacts →

Exact match

“A+ Concept est un bureau d'études composé d'experts énergétiques et ingénieurs spécialisés dans les techniques du bâtiment.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10Exact matchZwevegem, BelgiumHQ recorded Nov 5, 202611-5030 contacts →

Exact match

“Consultes is een allround partner voor bedrijven op vlak van milieu, preventie, energie en duurzaamheid.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11Exact matchBrussels, BelgiumHQ recorded Nov 5, 202611-5028 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact matchBrussels, BelgiumHQ recorded Nov 5, 202611-5028 contacts →

Exact match

“Driven by the urgency of climate action, D-Carbonize helps industrial companies turn decarbonization into a lever for performance.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13Exact matchBrussels, BelgiumHQ recorded Nov 5, 202611-5022 contacts →

Exact match

“In a time of ecological challenges and economic uncertainty, businesses play a pivotal role in keeping society stable.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14Exact matchMechelen, BelgiumHQ recorded Nov 5, 202611-5022 contacts →

Exact match

“Carbon+Alt+Delete is the carbon accounting software for sustainability consultants.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15Exact matchBrussels, BelgiumHQ recorded Nov 5, 202611-5022 contacts →

Exact match

“CO2logic joined the South Pole Group in 2021, forming the world’s largest climate solutions provider and carbon project developer.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16Exact matchBrussels, BelgiumHQ recorded Nov 5, 202611-5022 contacts →

Exact match

“World's gone nuts.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17Exact matchBrussels, BelgiumHQ recorded Nov 5, 20261-1021 contacts →

Exact match

“We advise established global energy businesses, start-ups, governments and international organisations on all aspects of the energy commodity trading and market rules.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18Exact matchAntwerp, BelgiumHQ recorded Nov 5, 2026201-50021 contacts →

Exact match

“Helexia is your all-in-one partner for accelerating your energy transition.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19Exact matchGhent, BelgiumHQ recorded Nov 5, 202611-5020 contacts →

Exact match

“Wattson maakt van gebouwen de gangmakers van de energietransitie.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20Exact matchBrussels, BelgiumHQ recorded Nov 5, 202611-5020 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21Exact matchBerchem, BelgiumHQ recorded Nov 5, 202611-5017 contacts →

Exact match

“Denercon is an energy consulting company created by Michaël Deneve and is based in Antwerp, Belgium.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22Exact matchBeringen, BelgiumHQ recorded Nov 5, 202611-5015 contacts →

Exact match

“Wij bij Exergie, willen de wereld verduurzamen.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23Exact matchGhent, BelgiumHQ recorded Nov 5, 202611-5013 contacts →

Exact match

“Mantis Consulting is een Belgisch B2B adviesbureau voor duurzaamheid, met focus op KMO’s, mid-size companies en grote corporates in diverse sectoren.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24Exact matchIxelles, BelgiumHQ recorded Nov 5, 202611-5013 contacts →

Exact match

“ESGlogic is a European ESG consulting firm, based in Belgium supporting companies across sectors in sustainability, climate and regulatory transformation.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase

Showing 24 of 168 decarbonization consulting firms based in Belgium

See the full list, filter by size, metro and specialty, and access 724 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Decarbonization consulting firms based in Belgium at a glance

As of Nov 5, 2026
41.6%Verified-email coverage
10.4Average contacts per company
1-10Median size (employees)
20.8%Largest-city concentration · Brussels
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
121
11-50
38
51-200
7
201-500
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 168 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 Belgium whose business descriptions match “decarbonization consulting firms” 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 724 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 5, 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.

Decarbonization consulting firms by metro

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 “decarbonization consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many decarbonization consulting firms are there based in Belgium?

RevenueBase identified 168 company matches for decarbonization consulting firms associated with Belgium 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?

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

Which city has the most decarbonization consulting firms?

Brussels leads with 35 company records, followed by Liege (9) and Antwerp (7).

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 724 professional contacts with verified work emails tracked across these 168 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 5, 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.