Company lists · Data refreshed September 2026
Top 25 Aiaas consultants based in Belgium
RevenueBase identified 147 aiaas consultants headquartered in Belgium as of September 2026 and tracks 1,229 professional contacts across them, including 515 with verified work emails. Gent is the largest hub.
This list covers aiaas consultants 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 21, 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.
The 25 largest aiaas consultants based in Belgium
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 152 contacts → | ||||
Indirect evidence “ISALYS HORIZONS, filiale du Groupe ISALYS, accompagne les industries stratégiques telles que le transport, la défense, l'énergie, la santé et les technologies numériques.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 2 | 96 contacts → | ||||
Partial evidence “Catalay is on a mission to build a highly skilled and loyal community of engineering consultants so we can partner up with our clients to accelerate their engineering transitions.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 3 | 80 contacts → | ||||
Indirect evidence “We shape a vital living environment.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 4 | 74 contacts → | ||||
Indirect evidence “Le bureau d’études Lemaire a été fondé par Frédéric Lemaire, ingénieur civil en construction.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 5 | 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 21, 2026Thanks. The Data Team will review it. | |||||
| 6 | 54 contacts → | ||||
Indirect evidence “ABETEC architects & engineers is a multidisciplinary architecture and engineering firm that holds a leading position in the field of professional services in the building industry.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 7 | 52 contacts → | ||||
Indirect evidence “Arcade is een multidisciplinair bouwkundig studiebureau, al meer dan 30 jaar actief in diverse sectoren.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 8 | 48 contacts → | ||||
Partial evidence “Créée en 1989 par l’architecte Luc-Georges Dubrulle, la société ARIES Consultants a été reprise en 2012 par Gilles Ledent et Christopher Goffard.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 9 | 39 contacts → | ||||
Indirect evidence “Bij ABESCO nemen we geen genoegen met theorie.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 10 | 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 21, 2026Thanks. The Data Team will review it. | |||||
| 11 | 29 contacts → | ||||
Indirect evidence “We are your partner in AI strategy and implementation.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 12 | 22 contacts → | ||||
Indirect evidence “JNC International s.a, fondée en 1968, est un bureau d’études interdisciplinaires, regroupant des professionnels spécialisés dans l’étude du paysage, de l’environnement, de…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 13 | 21 contacts → | ||||
Indirect evidence “Bij Raco by Studibo ondersteunen we bouwprojecten met studies van technische installaties, advies en projectbegeleiding.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 14 | 21 contacts → | ||||
Indirect evidence “Research & Solutions BVBA, kortweg RESOL, is een professioneel en onafhankelijk adviesbureau inzake Veiligheid, Milieu, Energie en Kwaliteit.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 15 | 20 contacts → | ||||
Indirect evidence “FI Engineering est un bureau d'études en techniques spéciales et en assistance technique, reconnu pour son expertise technique, sa qualité de service et son approche orientée…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 16 | 19 contacts → | ||||
Indirect evidence “SumProject offers architecture and engineering that breathes and organises space, which is pleasant and efficient, which is innovative and technical.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 17 | 18 contacts → | ||||
Indirect evidence “Axilium is een technisch studiebureau dat waarde hecht aan innovatie, duurzaamheid en kwaliteit.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 18 | 14 contacts → | ||||
Indirect evidence “Chez DE ROO Expertises by Studibo, nous réalisons des expertises techniques pour le secteur des assurances.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 19 | 13 contacts → | ||||
Indirect evidence “ADEM est un bureau d'études pluridisciplinaire installé à Mons (Belgique) depuis plus de trente ans.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 20 | 12 contacts → | ||||
Indirect evidence “MODULO architects was founded in and has since steadily grown into the experienced team it is today, boasting the exceptional skills and creativity of some twenty engineers and…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 21 | 11 contacts → | ||||
Indirect evidence “ENDES, een verzameling van gedreven ingenieurs met passie voor techniek.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 22 | 10 contacts → | ||||
Indirect evidence “PCp is een Limburgs architectenbureau waarin de talenten van dynamische, gemotiveerde medewerkers gebundeld worden.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 23 | 10 contacts → | ||||
Indirect evidence “Bij B-EA (Bouw & Energie Advies) ondersteunen we bouwheren, architecten en ontwikkelaars met praktisch energieadvies voor nieuwbouw- en renovatieprojecten.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 24 | 10 contacts → | ||||
Indirect evidence “Technisch studiebureau, actief in de bouwsector en gespecialiseerd in HVAC, Elektriciteit, EPB, Hernieuwbare energie, Veiligheid, Milieu” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 25 | 9 contacts → | ||||
Partial evidence “Lerner Engineering is a small sized company specialized in engineering consultancy, based in Brussels, Belgium.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
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: aiaas consultants. 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 aiaas consultants.
- Partial evidence
- Its own public description names part of aiaas consultants, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name aiaas consultants. 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 147 aiaas consultants based in Belgium
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Aiaas consultants based in Belgium at a glance
As of Sep 21, 2026Companies by employee count
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 147 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 aiaas consultants, 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 “aiaas consultants”. 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 aiaas consultants), 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 aiaas consultants, 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, 515 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 21, 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 aiaas consultants, 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 aiaas consultants are there based in Belgium?
RevenueBase identified 147 aiaas consultants 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?
Isalys Horizons, headquartered in Uccle, tops this list with the largest team on record.
Which city has the most aiaas consultants?
Gent leads with 6 headquartered companies, followed by Kontich (5) and Brussels (4).
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 515 verified decision-maker contacts tracked across these 147 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 21, 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.
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