Company lists · Data refreshed September 2026

Top 25 Environmental economics consulting firms based in Belgium

Name: Environmental economics consulting firms based in Belgium
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 119 companies tracked

RevenueBase identified 119 company matches for environmental economics consulting firms associated with Belgium as of September 2026 and tracks 1,870 professional contacts across them, including 699 with verified work emails. Brussels is the largest hub.

This list covers company matches for environmental economics 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 September 28, 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 Sep 28, 2026 How this list was built

119Companies

1,870Contacts tracked

699Verified emails

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest environmental economics consulting firms based in Belgium

Ranked by team size

Top 25 of 119 company matches for environmental economics consulting firms based in Belgium, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 28, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	ADE	Exact match	Louvain-la-neuve, BelgiumHQ recorded Sep 28, 2026	n/a	564 contacts →
	Exact match “ADE is a consultancy providing independent advice for contributing to improve public decision-making.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
2	Oxera Consulting LLP	Exact match	Brussels, BelgiumHQ recorded Sep 28, 2026	201-500	362 contacts →
	Exact match “We advise companies, policymakers, regulators and lawyers on any economic issue connected with competition, finance or regulation.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
3	AESA	Exact match	Brussels, BelgiumHQ recorded Sep 28, 2026	51-200	128 contacts →
	Exact match “AESA is a leading European management consultancy, providing technical assistance and project management services in Low and Middle income countries as well as in Transition…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
4	ENCON	Exact match	Bilzen, BelgiumHQ recorded Sep 28, 2026	51-200	104 contacts →
	Exact match “Encon supports businesses as an independent agency with creative and innovative solutions in their transition to become more sustainable.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
5	Idea Consult	Exact match	Brussels, BelgiumHQ recorded Sep 28, 2026	11-50	100 contacts →
	Exact match “IDEA aims to help clients tackle the societal challenges of today and tomorrow by delivering applicable and sustainable advice.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
6	Tauw Belgium	Exact match	Leuven (wijgmaal), BelgiumHQ recorded Sep 28, 2026	51-200	80 contacts →
	Exact match “We shape a vital living environment.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
7	Profex Part Of UEG	Exact match	Beringen, BelgiumHQ recorded Sep 28, 2026	51-200	36 contacts →
	Exact match “Bij ons draait alles om jou als ondernemer.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
8	Consultes	Exact match	Zwevegem, BelgiumHQ recorded Sep 28, 2026	11-50	34 contacts →
	Exact match “Consultes is een allround partner voor bedrijven op vlak van milieu, preventie, energie en duurzaamheid.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
9	RDC Environment	Exact match	Brussels, BelgiumHQ recorded Sep 28, 2026	11-50	31 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 · Sep 28, 2026 · View company records in RevenueBase
10	Milvus Consulting NV	Exact match	Ghent, BelgiumHQ recorded Sep 28, 2026	11-50	17 contacts →
	Exact match “Since the successful merge of OLFASCAN and ECOSCAN, MILVUS consulting has grown into a multidisciplinary firm offering independent, science-driven environmental advice.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
11	Ecofirst SC	Exact match	Awenne, BelgiumHQ recorded Sep 28, 2026	11-50	15 contacts →
	Exact match “Ecofirst SC is an ecological engineering consulting.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
12	The Ecological Entrepreneur	Exact match	Antwerp, BelgiumHQ recorded Sep 28, 2026	11-50	15 contacts →
	Exact match “The Ecological Entrepreneur is a sustainability advisor specialised in guiding companies, sector federations and organisations, in the transition towards sustainable compliant…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
13	Advista	Exact match	Louvain-la-neuve, BelgiumHQ recorded Sep 28, 2026	1-10	13 contacts →
	Exact match “ADVISTA est un bureau d’études et de conseils en environnement et développement durable.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
14	AG Environnement	Exact match	Naninne, BelgiumHQ recorded Sep 28, 2026	11-50	13 contacts →
	Exact match “AG Environnement (for Assistance et gestion environnementale) wants to be a reliable partner to its clients dealing with environmental issues in the frame of their activities.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
15	ACT Justly	Exact match	Ixelles, BelgiumHQ recorded Sep 28, 2026	1-10	12 contacts →
	Exact match “At AJ, we are on a mission to empower organizations and individuals to embrace sustainability and make a positive impact on the environment.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
16	Adviesbureau Decock	Exact match	Langemark, BelgiumHQ recorded Sep 28, 2026	11-50	10 contacts →
	Exact match “Adviesbureau Decock begeleidt bedrijven en particulieren die ondersteuning nodig hebben in alles wat met milieu en omgeving te maken heeft.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
17	21solutions	Exact match	Brussels, BelgiumHQ recorded Sep 28, 2026	1-10	10 contacts →
	Exact match “21 Solutions is a consulting firm active in Belgium, France, and internationally.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
18	Solvakem	Exact match	Merelbeke, BelgiumHQ recorded Sep 28, 2026	1-10	10 contacts →
	Exact match “Solvakem puts "industrial ecology" into practice and helps industrial companies by integrating their by-products into the production of other industrial companies in order to…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
19	Technopolis Consulting Group Belgium Sprl	Exact match	Brussels, BelgiumHQ recorded Sep 28, 2026	11-50	8 contacts →
	Exact match “The Technopolis Group Belgium office opened up in 2004 and has consistently expanded in expertise with a growing team made up of more than 10 nationalities (able to converse in…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
20	Studio D	Exact match	Leuven, BelgiumHQ recorded Sep 28, 2026	1-10	8 contacts →
	Exact match “Duurzaamheidsbeleid & advies Studio D helpt u met het opstellen van een duurzaamheidsstrategie en -beleid.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
21	Prospect C&s	Exact match	Brussels, BelgiumHQ recorded Sep 28, 2026	1-10	8 contacts →
	Exact match “Prospect C&S is an independent Brussels-based consultancy.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
22	Creafarm BV	Exact match	Roeselare, BelgiumHQ recorded Sep 28, 2026	11-50	7 contacts →
	Exact match “Creafarm bv is als studie- en adviesbureau actief in dienstverlening voor de landbouw en KMO.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
23	Sustacon	Exact match	Berchem, BelgiumHQ recorded Sep 28, 2026	11-50	7 contacts →
	Exact match “Uw betrouwbare partner voor bedrijfsstrategie en -implementatietrajecten, ESG-beleid, CSRD- en duurzaamheidsrapportering, risico management en brede operationele ondersteuning in…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
24	Wascos Sprl	Exact match	Ecaussinnes, BelgiumHQ recorded Sep 28, 2026	1-10	7 contacts →
	Exact match “Wascos has been offering high quality services of consulting engineering for 20 years.” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase
25	Mieco-Effect BV	Exact match	Diest, BelgiumHQ recorded Sep 28, 2026	11-50	6 contacts →
	Exact match “Mieco-effect bv is een ecologisch studie- en adviesbureau dat erom bekend staat te werken op thema's waar verschillende disciplines samen komen zoals #landschapsecologie (natuur…” Recorded in the RevenueBase company graph · Sep 28, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “environmental economics consulting firms”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 119 environmental economics consulting firms based in Belgium

See the full list, filter by size, metro and specialty, and access 699 tracked professional contacts with verified work emails. Direct dials are available where recorded.

Free signup · no credit card

View the full list →

Environmental economics consulting firms based in Belgium at a glance

As of Sep 28, 2026

37.4%Verified-email coverage

15.7Average contacts per company

1-10Median size (employees)

15.1%Largest-city concentration · Brussels

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

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 119 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 “environmental economics 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 699 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 September 28, 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.

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

How many environmental economics consulting firms are there based in Belgium?

RevenueBase identified 119 company matches for environmental economics consulting firms associated with Belgium as of September 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?

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

Which city has the most environmental economics consulting firms?

Brussels leads with 18 company records, followed by Antwerp (8) and Liege (5).

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 699 professional contacts with verified work emails tracked across these 119 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 September 28, 2026.

Ready to reach these companies? Verified emails and direct dials for all 119 environmental economics consulting firms based in Belgium. Start with a free account, no credit card.

Download this list →

Related lists

Environmental economics consulting firms by geography

Browse the directory

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.