Company lists · Data refreshed September 2026
Top 25 Sustainable IT consulting firms based in Belgium
RevenueBase identified 162 company matches for sustainable IT consulting firms associated with Belgium as of September 2026 and tracks 1,003 professional contacts across them, including 407 with verified work emails and 28 with mobile numbers. Brussels is the largest hub.
This list covers company matches for sustainable IT 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 6, 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.
The 25 largest sustainable IT consulting firms based in Belgium
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 101 contacts → | ||||
Exact match “Trevi Environmental Solutions is a Belgian environmental technology company.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 2 | 63 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 · Sep 6, 2026 · View company records in RevenueBase | |||||
| 3 | 52 contacts → | ||||
Exact match “Oniryx is an IT consulting company based in Gembloux, Belgium.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 4 | 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 6, 2026 · View company records in RevenueBase | |||||
| 5 | 24 contacts → | ||||
Exact match “Sustenuto is a strategic consulting firm that helps organisations make a difference in society by integrating sustainability at the core of their business.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 6 | 20 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 · Sep 6, 2026 · View company records in RevenueBase | |||||
| 7 | 18 contacts → | ||||
Exact match “Axilium is een technisch studiebureau dat waarde hecht aan innovatie, duurzaamheid en kwaliteit.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 8 | 18 contacts → | ||||
Exact match “World's gone nuts.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 9 | 15 contacts → | ||||
Exact match “L'activité de la société MATRIciel vise une MEILLEURE PERFORMANCE ENERGETIQUE ET ENVIRONNEMENTALE DES BATIMENTS dans le cadre du développement durable par une participation active…” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 10 | 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 6, 2026 · View company records in RevenueBase | |||||
| 11 | 14 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 · Sep 6, 2026 · View company records in RevenueBase | |||||
| 12 | 13 contacts → | ||||
Exact match “Wave Group is a service company that provides its expertise to start ups, SME's and large companies.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 13 | 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 6, 2026 · View company records in RevenueBase | |||||
| 14 | 13 contacts → | ||||
Exact match “Wij bij Exergie, willen de wereld verduurzamen.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 15 | 13 contacts → | ||||
Exact match “Our purpose is to create a better tomorrow together by building close and long-lasting relationships with our partners by helping them to achieve their purpose and embody their…” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 16 | 12 contacts → | ||||
Exact match “Mantis Consulting is a Belgian based B2B consultancy firm for energy and sustainability.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 17 | 12 contacts → | ||||
Exact match “Sustainability has always been sold wrong.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 18 | 11 contacts → | ||||
Exact match “We help our customers in the implementation and the management of their ICT departments truly aligned with new arising models of organizations which are built on sustainable…” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 19 | 11 contacts → | ||||
Exact match “Wij helpen bedrijven versnellen richting een duurzame toekomst!” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 20 | 11 contacts → | ||||
Exact match “From the first idea to delivery and operation, we guide projects with a holistic approach that combines strategic advice and practical implementation.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 21 | 10 contacts → | ||||
Exact match “21 Solutions is a consulting firm active in Belgium, France, and internationally.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 22 | 10 contacts → | ||||
Exact match “We zijn een kleine, no-nonsense consultancy firma die zijn medewerkers zorgvuldig uitkiest en mikt op samenwerking op lange termijn.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 23 | 10 contacts → | ||||
Exact match “Watt Else is a consultancy company specialised in sustainable energy and energy transition.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 24 | 9 contacts → | ||||
Exact match “Smart2Circle empowers companies and organizations to contribute to a carbon neutral world in 2050.” Recorded in the RevenueBase company graph · Sep 6, 2026 · View company records in RevenueBase | |||||
| 25 | 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 6, 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 “sustainable IT 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 162 sustainable IT consulting firms based in Belgium
See the full list, filter by size, metro and specialty, and access 407 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Sustainable IT consulting firms based in Belgium at a glance
As of Sep 6, 2026Companies by employee count
Freshness & accuracy
How recently the business emails on this list were verified
Email last verified
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 “sustainable IT 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 407 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 6, 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 “sustainable IT consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many sustainable IT consulting firms are there based in Belgium?
RevenueBase identified 162 company matches for sustainable IT 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?
Trevi NV tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most sustainable IT consulting firms?
Brussels leads with 22 company records, followed by Antwerp (11) and Ghent (11).
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 407 professional contacts with verified work emails tracked across these 162 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 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 162 sustainable IT consulting firms based in Belgium. Start with a free account, no credit card.
Download this list →Related lists
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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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Sustainable IT consulting firms based in the United States
- Sustainable IT consulting firms based in Brazil
- Sustainable IT consulting firms based in France
- Sustainable IT consulting firms based in the United Kingdom
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Company intelligence · public preview
Top 25 sustainable IT consulting firms based in Belgium
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 162 matching company records for sustainable IT consulting firms based in Belgium, with 1,003 tracked contacts and 407 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 sustainable IT consulting firms based in Belgium
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Trevi NVtrevi-env.comHQ: Gentbrugge, BelgiumReported employees: 51-200 | Gentbrugge, Belgium | 51-200 | Exact match | 101 contacts → |
“Trevi Environmental Solutions is a Belgian environmental technology company.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  BOPRObopro.euHQ: Ghent, BelgiumReported employees: 51-200 | Ghent, Belgium | 51-200 | Exact match | 63 contacts → |
“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 description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Oniryxoniryx.beHQ: Gembloux, BelgiumReported employees: 51-200 | Gembloux, Belgium | 51-200 | Exact match | 52 contacts → |
“Oniryx is an IT consulting company based in Gembloux, Belgium.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Consultesconsultes.beHQ: Zwevegem, BelgiumReported employees: 11-50 | Zwevegem, Belgium | 11-50 | Exact match | 34 contacts → |
“Consultes is een allround partner voor bedrijven op vlak van milieu, preventie, energie en duurzaamheid.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Sustenutosustenuto.comHQ: Brussels, BelgiumReported employees: 11-50 | Brussels, Belgium | 11-50 | Exact match | 24 contacts → |
“Sustenuto is a strategic consulting firm that helps organisations make a difference in society by integrating sustainability at the core of their business.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  SLOslo.ecoHQ: Brussels, BelgiumReported employees: 11-50 | Brussels, Belgium | 11-50 | Exact match | 20 contacts → |
“In a time of ecological challenges and economic uncertainty, businesses play a pivotal role in keeping society stable.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Axilium Groupaxilium.beHQ: Schilde, BelgiumReported employees: 11-50 | Schilde, Belgium | 11-50 | Exact match | 18 contacts → |
“Axilium is een technisch studiebureau dat waarde hecht aan innovatie, duurzaamheid en kwaliteit.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  BLEENbleen.beHQ: Brussels, BelgiumReported employees: 11-50 | Brussels, Belgium | 11-50 | Exact match | 18 contacts → |
“World's gone nuts.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Matricielmatriciel.beHQ: Louvain-la-neuve, BelgiumReported employees: 11-50 | Louvain-la-neuve, Belgium | 11-50 | Exact match | 15 contacts → |
“L'activité de la société MATRIciel vise une MEILLEURE PERFORMANCE ENERGETIQUE ET ENVIRONNEMENTALE DES BATIMENTS dans le cadre du développement durable par une participation active…” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  The Ecological Entrepreneurtheecologicalentrepreneur.euHQ: Antwerp, BelgiumReported employees: 11-50 | Antwerp, Belgium | 11-50 | Exact match | 15 contacts → |
“The Ecological Entrepreneur is a sustainability advisor specialised in guiding companies, sector federations and organisations, in the transition towards sustainable compliant…” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Denercondenercon.beHQ: Berchem, BelgiumReported employees: 11-50 | Berchem, Belgium | 11-50 | Exact match | 14 contacts → |
“Denercon is an energy consulting company created by Michaël Deneve and is based in Antwerp, Belgium.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Wave Groupwave-group.beHQ: Flanders, BelgiumReported employees: 11-50 | Flanders, Belgium | 11-50 | Exact match | 13 contacts → |
“Wave Group is a service company that provides its expertise to start ups, SME's and large companies.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Advistaadvista.beHQ: Louvain-la-neuve, BelgiumReported employees: 1-10 | Louvain-la-neuve, Belgium | 1-10 | Exact match | 13 contacts → |
“ADVISTA est un bureau d’études et de conseils en environnement et développement durable.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Exergie Part Of UEGexergie.beHQ: Beringen, BelgiumReported employees: 11-50 | Beringen, Belgium | 11-50 | Exact match | 13 contacts → |
“Wij bij Exergie, willen de wereld verduurzamen.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  ORKAorka-scc.beHQ: Ghent, BelgiumReported employees: 11-50 | Ghent, Belgium | 11-50 | Exact match | 13 contacts → |
“Our purpose is to create a better tomorrow together by building close and long-lasting relationships with our partners by helping them to achieve their purpose and embody their…” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Mantis Consultingmantisconsulting.beHQ: Ghent, BelgiumReported employees: 11-50 | Ghent, Belgium | 11-50 | Exact match | 12 contacts → |
“Mantis Consulting is a Belgian based B2B consultancy firm for energy and sustainability.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Resultxresultx.aiHQ: Everberg, BelgiumReported employees: 1-10 | Everberg, Belgium | 1-10 | Exact match | 12 contacts → |
“Sustainability has always been sold wrong.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Business & ICT Consultingbusinessict.euHQ: Brussels, BelgiumReported employees: 51-200 | Brussels, Belgium | 51-200 | Exact match | 11 contacts → |
“We help our customers in the implementation and the management of their ICT departments truly aligned with new arising models of organizations which are built on sustainable…” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  SURAsura-impact.beHQ: Kortrijk, BelgiumReported employees: 1-10 | Kortrijk, Belgium | 1-10 | Exact match | 11 contacts → |
“Wij helpen bedrijven versnellen richting een duurzame toekomst!” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Drees & Sommer Belgiumdreso.beHQ: Brussels, BelgiumReported employees: 11-50 | Brussels, Belgium | 11-50 | Exact match | 11 contacts → |
“From the first idea to delivery and operation, we guide projects with a holistic approach that combines strategic advice and practical implementation.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  21solutions21solutions.euHQ: Brussels, BelgiumReported employees: 1-10 | Brussels, Belgium | 1-10 | Exact match | 10 contacts → |
“21 Solutions is a consulting firm active in Belgium, France, and internationally.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  codious.iocodious.ioHQ: Oud-turnhout, BelgiumReported employees: 11-50 | Oud-turnhout, Belgium | 11-50 | Exact match | 10 contacts → |
“We zijn een kleine, no-nonsense consultancy firma die zijn medewerkers zorgvuldig uitkiest en mikt op samenwerking op lange termijn.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Watt Elsewattelse.beHQ: Yvoir, BelgiumReported employees: 11-50 | Yvoir, Belgium | 11-50 | Exact match | 10 contacts → |
“Watt Else is a consultancy company specialised in sustainable energy and energy transition.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Smart2circlesmart2circle.comHQ: Liège, BelgiumReported employees: 1-10 | Liège, Belgium | 1-10 | Exact match | 9 contacts → |
“Smart2Circle empowers companies and organizations to contribute to a carbon neutral world in 2050.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Studio Dstudiodee.beHQ: Leuven, BelgiumReported employees: 1-10 | Leuven, Belgium | 1-10 | Exact match | 8 contacts → |
“Duurzaamheidsbeleid & advies Studio D helpt u met het opstellen van een duurzaamheidsstrategie en -beleid.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 162 company matches
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Sustainable IT consulting firms: dataset insights
September 6, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
161 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Freshness & accuracy
How recently the business emails on this list were verified
Email last verified
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for sustainable IT consulting firms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many sustainable IT consulting firms did RevenueBase find based in Belgium?
The saved snapshot records 162 matching company records, 1,003 tracked contacts and 407 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Sustainable IT consulting firms by geography
- Sustainable IT consulting firms based in the United States
- Sustainable IT consulting firms based in Brazil
- Sustainable IT consulting firms based in France
- Sustainable IT consulting firms based in the United Kingdom
- Sustainable IT consulting firms based in Germany
- Sustainable IT consulting firms based in the Netherlands
- Sustainable IT consulting firms based in Canada
- Sustainable IT consulting firms based in Italy
- Sustainable IT consulting firms based in Spain
- Sustainable IT consulting firms based in Australia
- Sustainable IT consulting firms based in Mexico
- Sustainable IT consulting firms based in Sweden
Cite this list
RevenueBase Data Team. Top 25 sustainable IT consulting firms based in Belgium. Snapshot: September 6, 2026. https://revenuebase.ai/companies/sustainable-it-consulting-firms/belgium.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Sustainable IT consulting firms based in the United States
- Sustainable IT consulting firms based in Brazil
- Sustainable IT consulting firms based in France
- Sustainable IT consulting firms based in the United Kingdom
- Sustainable IT consulting firms based in Germany
- Sustainable IT consulting firms based in the Netherlands
Company intelligence · public preview
Top 25 sustainable IT consulting firms based in Belgium
RevenueBase records 162 matching company records for sustainable IT consulting firms based in Belgium, with 1,003 tracked contacts and 407 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 sustainable IT consulting firms based in Belgium
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Trevi NVtrevi-env.com HQ: Gentbrugge, BelgiumReported employees: 51-200 | Gentbrugge, Belgium | 51-200 | Exact match | 101 contacts → |
“Trevi Environmental Solutions is a Belgian environmental technology company.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | BOPRObopro.eu HQ: Ghent, BelgiumReported employees: 51-200 | Ghent, Belgium | 51-200 | Exact match | 63 contacts → |
“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 description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Oniryxoniryx.be HQ: Gembloux, BelgiumReported employees: 51-200 | Gembloux, Belgium | 51-200 | Exact match | 52 contacts → |
“Oniryx is an IT consulting company based in Gembloux, Belgium.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Consultesconsultes.be HQ: Zwevegem, BelgiumReported employees: 11-50 | Zwevegem, Belgium | 11-50 | Exact match | 34 contacts → |
“Consultes is een allround partner voor bedrijven op vlak van milieu, preventie, energie en duurzaamheid.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Sustenutosustenuto.com HQ: Brussels, BelgiumReported employees: 11-50 | Brussels, Belgium | 11-50 | Exact match | 24 contacts → |
“Sustenuto is a strategic consulting firm that helps organisations make a difference in society by integrating sustainability at the core of their business.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | SLOslo.eco HQ: Brussels, BelgiumReported employees: 11-50 | Brussels, Belgium | 11-50 | Exact match | 20 contacts → |
“In a time of ecological challenges and economic uncertainty, businesses play a pivotal role in keeping society stable.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Axilium Groupaxilium.be HQ: Schilde, BelgiumReported employees: 11-50 | Schilde, Belgium | 11-50 | Exact match | 18 contacts → |
“Axilium is een technisch studiebureau dat waarde hecht aan innovatie, duurzaamheid en kwaliteit.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | BLEENbleen.be HQ: Brussels, BelgiumReported employees: 11-50 | Brussels, Belgium | 11-50 | Exact match | 18 contacts → |
“World's gone nuts.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Matricielmatriciel.be HQ: Louvain-la-neuve, BelgiumReported employees: 11-50 | Louvain-la-neuve, Belgium | 11-50 | Exact match | 15 contacts → |
“L'activité de la société MATRIciel vise une MEILLEURE PERFORMANCE ENERGETIQUE ET ENVIRONNEMENTALE DES BATIMENTS dans le cadre du développement durable par une participation active…” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | The Ecological Entrepreneurtheecologicalentrepreneur.eu HQ: Antwerp, BelgiumReported employees: 11-50 | Antwerp, Belgium | 11-50 | Exact match | 15 contacts → |
“The Ecological Entrepreneur is a sustainability advisor specialised in guiding companies, sector federations and organisations, in the transition towards sustainable compliant…” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Denercondenercon.be HQ: Berchem, BelgiumReported employees: 11-50 | Berchem, Belgium | 11-50 | Exact match | 14 contacts → |
“Denercon is an energy consulting company created by Michaël Deneve and is based in Antwerp, Belgium.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Wave Groupwave-group.be HQ: Flanders, BelgiumReported employees: 11-50 | Flanders, Belgium | 11-50 | Exact match | 13 contacts → |
“Wave Group is a service company that provides its expertise to start ups, SME's and large companies.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Advistaadvista.be HQ: Louvain-la-neuve, BelgiumReported employees: 1-10 | Louvain-la-neuve, Belgium | 1-10 | Exact match | 13 contacts → |
“ADVISTA est un bureau d’études et de conseils en environnement et développement durable.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Exergie Part Of UEGexergie.be HQ: Beringen, BelgiumReported employees: 11-50 | Beringen, Belgium | 11-50 | Exact match | 13 contacts → |
“Wij bij Exergie, willen de wereld verduurzamen.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | ORKAorka-scc.be HQ: Ghent, BelgiumReported employees: 11-50 | Ghent, Belgium | 11-50 | Exact match | 13 contacts → |
“Our purpose is to create a better tomorrow together by building close and long-lasting relationships with our partners by helping them to achieve their purpose and embody their…” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Mantis Consultingmantisconsulting.be HQ: Ghent, BelgiumReported employees: 11-50 | Ghent, Belgium | 11-50 | Exact match | 12 contacts → |
“Mantis Consulting is a Belgian based B2B consultancy firm for energy and sustainability.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Resultxresultx.ai HQ: Everberg, BelgiumReported employees: 1-10 | Everberg, Belgium | 1-10 | Exact match | 12 contacts → |
“Sustainability has always been sold wrong.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Business & ICT Consultingbusinessict.eu HQ: Brussels, BelgiumReported employees: 51-200 | Brussels, Belgium | 51-200 | Exact match | 11 contacts → |
“We help our customers in the implementation and the management of their ICT departments truly aligned with new arising models of organizations which are built on sustainable…” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | SURAsura-impact.be HQ: Kortrijk, BelgiumReported employees: 1-10 | Kortrijk, Belgium | 1-10 | Exact match | 11 contacts → |
“Wij helpen bedrijven versnellen richting een duurzame toekomst!” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Drees & Sommer Belgiumdreso.be HQ: Brussels, BelgiumReported employees: 11-50 | Brussels, Belgium | 11-50 | Exact match | 11 contacts → |
“From the first idea to delivery and operation, we guide projects with a holistic approach that combines strategic advice and practical implementation.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | 21solutions21solutions.eu HQ: Brussels, BelgiumReported employees: 1-10 | Brussels, Belgium | 1-10 | Exact match | 10 contacts → |
“21 Solutions is a consulting firm active in Belgium, France, and internationally.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | codious.iocodious.io HQ: Oud-turnhout, BelgiumReported employees: 11-50 | Oud-turnhout, Belgium | 11-50 | Exact match | 10 contacts → |
“We zijn een kleine, no-nonsense consultancy firma die zijn medewerkers zorgvuldig uitkiest en mikt op samenwerking op lange termijn.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Watt Elsewattelse.be HQ: Yvoir, BelgiumReported employees: 11-50 | Yvoir, Belgium | 11-50 | Exact match | 10 contacts → |
“Watt Else is a consultancy company specialised in sustainable energy and energy transition.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Smart2circlesmart2circle.com HQ: Liège, BelgiumReported employees: 1-10 | Liège, Belgium | 1-10 | Exact match | 9 contacts → |
“Smart2Circle empowers companies and organizations to contribute to a carbon neutral world in 2050.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Studio Dstudiodee.be HQ: Leuven, BelgiumReported employees: 1-10 | Leuven, Belgium | 1-10 | Exact match | 8 contacts → |
“Duurzaamheidsbeleid & advies Studio D helpt u met het opstellen van een duurzaamheidsstrategie en -beleid.” Recorded description excerpt · September 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Sustainable IT consulting firms: dataset insights
September 6, 2026These summaries describe recorded coverage in this saved dataset. Coverage describes records in RevenueBase, rather than a census of every business in this market.
Reported company sizes
161 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Freshness & accuracy
How recently the business emails on this list were verified
Email last verified
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
Coverage describes records in RevenueBase, rather than a census of every business in this market.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for sustainable IT consulting firms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many sustainable IT consulting firms did RevenueBase find based in Belgium?
The saved snapshot records 162 matching company records, 1,003 tracked contacts and 407 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 sustainable IT consulting firms based in Belgium. Snapshot: September 6, 2026. https://revenuebase.ai/companies/sustainable-it-consulting-firms/belgium.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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