Company lists · Data refreshed September 2026

Top 25 Sustainable design firms based in Belgium

Name: Sustainable design firms based in Belgium
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 22, 2026 531 companies tracked

RevenueBase identified 531 sustainable design firms headquartered in Belgium as of September 2026 and tracks 3,440 professional contacts across them, including 1,537 with verified work emails. Antwerpen is the largest hub.

This list covers sustainable design firms 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 22, 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 22, 2026 86% judged on-target in blind review

531Companies

3,440Contacts tracked

1,537Verified emails

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The 25 largest sustainable design firms based in Belgium

Ranked by team size

Top 25 of 531 sustainable design firms based in Belgium, ranked by team size, largest first. Data refreshed Sep 22, 2026. RevenueBase Smart Search rates how each company's information relates to sustainable design firms: 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.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	B2ai Architects	Partial evidence	Brussels, BelgiumHQ checked Sep 22, 2026	51-200	130 contacts →
	Partial evidence “B2Ai stands for a multidisciplinary team of 140 architects, structural + technical engineers, interior designers & urban planners, based in Brussels, Ghent, Roeselare & Antwerp…” Source: RevenueBase Database · checked Sep 22, 2026
2	Verelst	Indirect evidence	Putte, BelgiumHQ checked Sep 22, 2026	201-500	115 contacts →
	Indirect evidence “Vanuit drie centrale pijlers (Wonen, Bouw en Atelier) ontwikkelen, bouwen, renoveren en produceren we samen met onze 350 enthousiaste collega’s duurzame, functionele en…” Source: RevenueBase Database · checked Sep 22, 2026
3	Archipelago Architects	Partial evidence	Bruxelles, BelgiumHQ checked Sep 22, 2026	51-200	114 contacts →
	Partial evidence “archipelago: creating contextual and sustainable architecture to better live, care, work and learn – we bring life to your projects with a unique and sensitive methodical…” Source: RevenueBase Database · checked Sep 22, 2026
4	Evolta	Indirect evidence	Ghent, BelgiumHQ checked Sep 22, 2026	51-200	88 contacts →
	Indirect evidence “Evolta is een ingenieurs- en architectenbureau met een glasheldere droom.” Source: RevenueBase Database · checked Sep 22, 2026
5	polo.platform	Strong evidence	Antwerp, BelgiumHQ checked Sep 22, 2026	51-200	85 contacts →
	Strong evidence “POLO is a platform that reflects the evolving role of our office’s design culture, with its main focus on creating a sustainable living environment for people and nature.” Source: RevenueBase Database · checked Sep 22, 2026
6	Jaspers-Eyers Architects	Indirect evidence	Brussels, BelgiumHQ checked Sep 22, 2026	51-200	78 contacts →
	Indirect evidence “Jaspers-Eyers is a Belgian architectural firm with offices in Brussels, Leuven and Hasselt.” Source: RevenueBase Database · checked Sep 22, 2026
7	M-Gineers	Indirect evidence	Leuven, BelgiumHQ checked Sep 22, 2026	51-200	67 contacts →
	Indirect evidence “M-gineers (formerly known as Macobo-Stabo) Smart engineering op het ritme van een maatschappij in beweging.” Source: RevenueBase Database · checked Sep 22, 2026
8	Bureau Bouwtechniek NV	Indirect evidence	Antwerpen, BelgiumHQ checked Sep 22, 2026	51-200	63 contacts →
	Indirect evidence “We inspireren en helpen om in een menselijke sfeer samen gebouwen juister te ontwerpen, bouwen en onderhouden.” Source: RevenueBase Database · checked Sep 22, 2026
9	BOPRO	Partial evidence	Ghent, BelgiumHQ checked Sep 22, 2026	51-200	63 contacts →
	Partial evidence “In forty years Bopro has emerged into a solid, renowned company specialised in Sustainable Real Estate Development, Project Management and Consultancy services in Europe.” Source: RevenueBase Database · checked Sep 22, 2026
10	A2m Architecture	Indirect evidence	Brussels, BelgiumHQ checked Sep 22, 2026	51-200	48 contacts →
	Indirect evidence “A2M is an international practice driven by an ardent belief in the possibilities of modern architecture and a keen curiosity about building physics, our interdisciplinary team…” Source: RevenueBase Database · checked Sep 22, 2026
11	Binst Architects	Indirect evidence	Antwerp, BelgiumHQ checked Sep 22, 2026	51-200	47 contacts →
	Indirect evidence “BINST ARCHITECTS stands for the best of more than 50 years of experience and expertise, supported by a modern and dynamic approach that focuses on the powerful evolution of the…” Source: RevenueBase Database · checked Sep 22, 2026
12	A2o	Indirect evidence	Hasselt, BelgiumHQ checked Sep 22, 2026	11-50	47 contacts →
	Indirect evidence “architecture and urban planning.” Source: RevenueBase Database · checked Sep 22, 2026
13	Bureau D'études A Concept	Indirect evidence	Liège, BelgiumHQ checked Sep 22, 2026	11-50	38 contacts →
	Indirect evidence “A+ Concept est un bureau d'études composé d'experts énergétiques et ingénieurs spécialisés dans les techniques du bâtiment.” Source: RevenueBase Database · checked Sep 22, 2026
14	MK Engineering	Partial evidence	Bruxelles, BelgiumHQ checked Sep 22, 2026	11-50	35 contacts →
	Partial evidence “Bureau d'Etudes en Design Energétique du Bâtiment, MK Engineering s'est forgé une solide expérience en conception très basse énergie avec ses services de Conseil aux Architecte et…” Source: RevenueBase Database · checked Sep 22, 2026
15	Groep Infrabo	Partial evidence	Westerlo, BelgiumHQ checked Sep 22, 2026	11-50	33 contacts →
	Partial evidence “With over 40 years of experience in building technologies, sustainability, infrastructure, and water management, Groep Infrabo is an independent engineering and consultancy firm…” Source: RevenueBase Database · checked Sep 22, 2026
16	Parallel Architecten	Indirect evidence	Wetteren, BelgiumHQ checked Sep 22, 2026	11-50	33 contacts →
	Indirect evidence “Onze architecten voelen zich thuis in de stad, maar zeker ook in het landelijk gebied.” Source: RevenueBase Database · checked Sep 22, 2026
17	RDC Environment	Partial evidence	Brussels, BelgiumHQ checked Sep 22, 2026	11-50	31 contacts →
	Partial 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 22, 2026
18	Altiplan Architects	Indirect evidence	Watermael-boisfort Watermaal-bosvoorde, BelgiumHQ checked Sep 22, 2026	11-50	29 contacts →
	Indirect evidence “Altiplan°architects is a leading architectural practice in Brussels and Liège.” Source: RevenueBase Database · checked Sep 22, 2026
19	DR EA M	Indirect evidence	Pont-à-celles, BelgiumHQ checked Sep 22, 2026	11-50	28 contacts →
	Indirect evidence “DR(EA)²M est un bureau d’études spécialisé dans les matières du développement territorial, de l’aménagement urbain et paysager, de l’environnement, de l’architecture et de…” Source: RevenueBase Database · checked Sep 22, 2026
20	A2d Architects	Partial evidence	Tervuren, BelgiumHQ checked Sep 22, 2026	11-50	26 contacts →
	Partial evidence “A2D architecture 2 design is a multidisciplinary design office, composed of about 30 (eng.) architects, urban designers, interior architects and interior designers.” Source: RevenueBase Database · checked Sep 22, 2026
21	Stramien Architectuur & Ruimte CV	Indirect evidence	Antwerpen, BelgiumHQ checked Sep 22, 2026	11-50	26 contacts →
	Indirect evidence “Stramien architectuur & ruimte CV is een multidisciplinair ontwerpbureau actief op het terrein van architectuur, stedenbouw, ruimtelijke planning en ontwerp van publieke ruimte.” Source: RevenueBase Database · checked Sep 22, 2026
22	Bast Architects & Engineers	Indirect evidence	Gent, BelgiumHQ checked Sep 22, 2026	11-50	25 contacts →
	Indirect evidence “We are in service to our clients to help them with the conception and building of bio-ecological buildings with following aspects - healthy - natural building materials - low- or…” Source: RevenueBase Database · checked Sep 22, 2026
23	SIA Société Internationale D'architecture S.A	Indirect evidence	BelgiumHQ checked Sep 22, 2026	11-50	25 contacts →
	Indirect evidence “SIA Architects désigne la Société Internationale d’Architecture, basée en Belgique et au Grand-Duché de Luxembourg, aussi active à l’étranger.” Source: RevenueBase Database · checked Sep 22, 2026
24	A2rc Architects	Indirect evidence	Brussels, BelgiumHQ checked Sep 22, 2026	11-50	23 contacts →
	Indirect evidence “A2RC ARCHITECTS is a multidisciplinary architecture firm that began with the remarkable renovation of the Royal Theatre of “La Monnaie” in Brussels in 1983.” Source: RevenueBase Database · checked Sep 22, 2026
25	Raco By Studibo	Indirect evidence	Heusden-zolder, BelgiumHQ checked Sep 22, 2026	11-50	21 contacts →
	Indirect evidence “Bij Raco by Studibo ondersteunen we bouwprojecten met studies van technische installaties, advies en projectbegeleiding.” Source: RevenueBase Database · checked Sep 22, 2026

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: sustainable design 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 sustainable design firms.
Partial evidence: Its own public description names part of sustainable design firms, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name sustainable design 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 531 sustainable design firms based in Belgium

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Sustainable design firms based in Belgium at a glance

As of Sep 22, 2026

44.7%Verified-email coverage

6.5Average contacts per company

1-10Median size (employees)

4.3%Largest-city concentration · Antwerpen

Sep 22, 2026Page data refreshed

Companies by employee count

1-10

409

11-50

103

51-200

201-500

1,001-5,000

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 531 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 sustainable design 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 Belgium whose own description of what they do matches “sustainable design 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 sustainable design 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 sustainable design firms, 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, 1,537 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 22, 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 sustainable design 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 sustainable design firms are there based in Belgium?

RevenueBase identified 531 sustainable design firms 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?

B2ai Architects, headquartered in Brussels, tops this list with the largest team on record.

Which city has the most sustainable design firms?

Antwerpen leads with 23 headquartered companies, followed by Brussels (21) and Gent (21).

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 1,537 verified decision-maker contacts tracked across these 531 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 22, 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.