Company lists · Data refreshed September 2026
Top 25 Consultancy companies based in Luxembourg
RevenueBase identified 292 company matches for consultancy companies associated with Luxembourg as of September 2026 and tracks 3,331 professional contacts across them, including 1,290 with verified work emails and 60 with mobile numbers. Luxembourg is the largest hub.
This list covers company matches for consultancy companies associated with Luxembourg, 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 24, 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 consultancy companies based in Luxembourg
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 600 contacts → | ||||
Exact match “BDO Luxembourg is one of the largest firms of accountants, auditors and consultants in Luxembourg.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase | |||||
| 2 | 134 contacts → | ||||
Exact match “About Arendt - Regulatory & Consulting We help clients remain compliant while running a profitable business.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase | |||||
| 3 | 124 contacts → | ||||
Exact match “Vous êtes chef d’entreprise, artisan, commerçant, professionnels libéral ou du secteur financier?” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase | |||||
| 4 | 98 contacts → | ||||
Exact match “AKABI is a young and entrepreneurial IT consultancy company specialized in Business Intelligence, Software Development, Cloud and IT Infrastructure.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase | |||||
| 5 | 84 contacts → | ||||
Exact match “PROMAN is a Luxembourg based international consulting company providing services to international donor agencies, national governments, public institutions and development…” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase | |||||
| 6 | 79 contacts → | ||||
Exact match “INCA Ingénieurs Conseils Associés S.à.r.l.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase | |||||
| 7 | 73 contacts → | ||||
Exact match “Solutions for business partners - Independent solutions for changing times IQ Solutions is one of the largest players in the Luxembourg financial market and offer consulting…” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase | |||||
| 8 | 69 contacts → | ||||
Exact match “Goblet Lavandier & Associés est un des plus grands bureaux d’ingénieurs-conseils luxembourgeois spécialisé en génie technique et énergétique.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase | |||||
| 9 | 60 contacts → | ||||
Exact match “BEST Ingénieurs-Conseils : 32 ans d’excellence et d’innovation!” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase | |||||
| 10 | 55 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase | |||||
| 11 | 55 contacts → | ||||
Exact match “Alcyone Consulting propose à ses clients Grand Compte une expertise reconnue dans les métiers de l'IT, Gouvernance, Compliance et se distingue par le Savoir-Faire et Savoir-Être…” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase | |||||
| 12 | 43 contacts → | ||||
Exact match “Hamlet Consulting Luxembourg is a dynamic European consulting company based in the Grand Duchy of Luxembourg.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase | |||||
| 13 | 38 contacts → | ||||
Exact match “Founded in 2007, Gate-16 is a consulting firm specialized in IT consultancy, IT transitions & operations, as well as recruitment and HR Services.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase | |||||
| 14 | 36 contacts → | ||||
Exact match “Today’s regulatory environment is becoming more and more complex and challenging.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase | |||||
| 15 | 33 contacts → | ||||
Exact match “GCP Consulting is a management consulting firm specialized in strategy and change management.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase | |||||
| 16 | 32 contacts → | ||||
Exact match “Bureau d'ingénieurs-conseils dans les domaines suivants : Real Estate et Construction • Project Management et Maîtrise d’Ouvrage Déléguée • Planification générale • Concours…” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase | |||||
| 17 | 31 contacts → | ||||
Exact match “Square Management Luxembourg is an international management & business consultancy firm, specialized in the financial sector, with offices in Luxembourg, Brussels and Paris.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase | |||||
| 18 | 30 contacts → | ||||
Exact match “Le bureau a été fondé en 1981 par Jean Schmit.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase | |||||
| 19 | 28 contacts → | ||||
Exact match “Finegan Luxembourg is part of the group Finegan, an independent French consulting firm created in 2009.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase | |||||
| 20 | 23 contacts → | ||||
Exact match “Leverage Consulting provides Advisory and sourcing services to Financial and Insurance organisations in their IT transformation projects.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase | |||||
| 21 | 22 contacts → | ||||
Exact match “Located in Luxembourg, EASE S.A is a management consulting firm driven to provide you with a competitive edge in an increasingly complex and interconnected marketplace.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase | |||||
| 22 | 21 contacts → | ||||
Exact match “Sensity is a European consultancy and service provider.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase | |||||
| 23 | 18 contacts → | ||||
Exact match “UpCRM is a consultancy company offering strong expertise in customer experience, cloud architecture and data management.” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase | |||||
| 24 | 18 contacts → | ||||
Exact match “Welcome to Oyesk!” Recorded in the RevenueBase company graph · Sep 24, 2026 · View company records in RevenueBase | |||||
| 25 | 18 contacts → | ||||
Exact match “Bureau d'étude pluridisciplinaire d'ingénieurs.” Recorded in the RevenueBase company graph · Sep 24, 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 “consultancy companies”. 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 292 consultancy companies based in Luxembourg
See the full list, filter by size, metro and specialty, and access 1,290 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Consultancy companies based in Luxembourg at a glance
As of Sep 24, 2026Companies by employee count
Freshness & accuracy
How recently the business emails were verified and the company information checked
Email last verified
Median 26.0dCompany record updated
Median 68.0dHow 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 Luxembourg whose business descriptions match “consultancy companies” 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 1,290 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 24, 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 “consultancy companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many consultancy companies are there based in Luxembourg?
RevenueBase identified 292 company matches for consultancy companies associated with Luxembourg 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?
BDO Luxembourg tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most consultancy companies?
Luxembourg leads with 155 company records, followed by Bertrange (12) and Strassen (6).
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 1,290 professional contacts with verified work emails tracked across these 292 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 24, 2026.
Ready to reach these companies? Verified emails and direct dials for all 292 consultancy companies based in Luxembourg. Start with a free account, no credit card.
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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
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- Consultancy companies based in the United States
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Company intelligence · public preview
Top 25 consultancy companies based in Luxembourg
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 292 matching company records for consultancy companies based in Luxembourg, with 3,331 tracked contacts and 1,290 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 24, 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 consultancy companies based in Luxembourg
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 |  BDO Luxembourgbdo.luHQ: LuxembourgReported employees: 501-1,000 | Luxembourg | 501-1,000 | Exact match | 600 contacts → |
“BDO Luxembourg is one of the largest firms of accountants, auditors and consultants in Luxembourg.” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Arendt Regulatory & Consultingarendt.comHQ: LuxembourgReported employees: 51-200 | Luxembourg | 51-200 | Exact match | 134 contacts → |
“About Arendt - Regulatory & Consulting We help clients remain compliant while running a profitable business.” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  In Extenso Beluxinextenso-belux.comHQ: Windhof, LuxembourgReported employees: 51-200 | Windhof, Luxembourg | 51-200 | Exact match | 124 contacts → |
“Vous êtes chef d’entreprise, artisan, commerçant, professionnels libéral ou du secteur financier?” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  AKABIakabi.euHQ: Itzig, LuxembourgReported employees: 51-200 | Itzig, Luxembourg | 51-200 | Exact match | 98 contacts → |
“AKABI is a young and entrepreneurial IT consultancy company specialized in Business Intelligence, Software Development, Cloud and IT Infrastructure.” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Proman, Luxembourgproman.luHQ: Bettermbourg, LuxembourgReported employees: Not recorded | Bettermbourg, Luxembourg | Not recorded | Exact match | 84 contacts → |
“PROMAN is a Luxembourg based international consulting company providing services to international donor agencies, national governments, public institutions and development…” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | HQ: Niederanven, LuxembourgReported employees: 51-200 | Niederanven, Luxembourg | 51-200 | Exact match | 79 contacts → |
“INCA Ingénieurs Conseils Associés S.à.r.l.” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  IQ Solutions Luxembourgiqs.luHQ: 3364 Leudelange, LuxembourgReported employees: 51-200 | 3364 Leudelange, Luxembourg | 51-200 | Exact match | 73 contacts → |
“Solutions for business partners - Independent solutions for changing times IQ Solutions is one of the largest players in the Luxembourg financial market and offer consulting…” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Goblet Lavandier & Associés S.Agolav.luHQ: Niederanven, LuxembourgReported employees: 51-200 | Niederanven, Luxembourg | 51-200 | Exact match | 69 contacts → |
“Goblet Lavandier & Associés est un des plus grands bureaux d’ingénieurs-conseils luxembourgeois spécialisé en génie technique et énergétique.” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Best Ingénieurs-Conseilsbest.luHQ: Senningerberg, LuxembourgReported employees: 51-200 | Senningerberg, Luxembourg | 51-200 | Exact match | 60 contacts → |
“BEST Ingénieurs-Conseils : 32 ans d’excellence et d’innovation!” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Infeurope S.Ainfeurope.luHQ: LuxembourgReported employees: 51-200 | Luxembourg | 51-200 | Exact match | 55 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 11 |  ACO Human Capitalalcyone-consulting.luHQ: Kockelscheuer, LuxembourgReported employees: 51-200 | Kockelscheuer, Luxembourg | 51-200 | Exact match | 55 contacts → |
“Alcyone Consulting propose à ses clients Grand Compte une expertise reconnue dans les métiers de l'IT, Gouvernance, Compliance et se distingue par le Savoir-Faire et Savoir-Être…” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Hamlet Consulting Luxembourghamletconsulting.comHQ: LuxembourgReported employees: 51-200 | Luxembourg | 51-200 | Exact match | 43 contacts → |
“Hamlet Consulting Luxembourg is a dynamic European consulting company based in the Grand Duchy of Luxembourg.” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Gate-16gate-16.comHQ: LuxembourgReported employees: 11-50 | Luxembourg | 11-50 | Exact match | 38 contacts → |
“Founded in 2007, Gate-16 is a consulting firm specialized in IT consultancy, IT transitions & operations, as well as recruitment and HR Services.” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  NOW Partnersnowpartners.luHQ: Hesperange, LuxembourgReported employees: 11-50 | Hesperange, Luxembourg | 11-50 | Exact match | 36 contacts → |
“Today’s regulatory environment is becoming more and more complex and challenging.” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  GCP Consultinggcp-consulting.euHQ: LuxembourgReported employees: 11-50 | Luxembourg | 11-50 | Exact match | 33 contacts → |
“GCP Consulting is a management consulting firm specialized in strategy and change management.” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Beissel & Ruppertbrec.luHQ: LuxembourgReported employees: 11-50 | Luxembourg | 11-50 | Exact match | 32 contacts → |
“Bureau d'ingénieurs-conseils dans les domaines suivants : Real Estate et Construction • Project Management et Maîtrise d’Ouvrage Déléguée • Planification générale • Concours…” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Square Management Luxembourgsquare-management.comHQ: LuxembourgReported employees: 501-1,000 | Luxembourg | 501-1,000 | Exact match | 31 contacts → |
“Square Management Luxembourg is an international management & business consultancy firm, specialized in the financial sector, with offices in Luxembourg, Brussels and Paris.” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Jean Schmit Engineeringjse.luHQ: LuxembourgReported employees: 51-200 | Luxembourg | 51-200 | Exact match | 30 contacts → |
“Le bureau a été fondé en 1981 par Jean Schmit.” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Finegan Luxembourgfinegan.luHQ: LuxembourgReported employees: 11-50 | Luxembourg | 11-50 | Exact match | 28 contacts → |
“Finegan Luxembourg is part of the group Finegan, an independent French consulting firm created in 2009.” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | HQ: Livange, LuxembourgReported employees: 11-50 | Livange, Luxembourg | 11-50 | Exact match | 23 contacts → |
“Leverage Consulting provides Advisory and sourcing services to Financial and Insurance organisations in their IT transformation projects.” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Ease S.Aease.luHQ: LuxembourgReported employees: 11-50 | Luxembourg | 11-50 | Exact match | 22 contacts → |
“Located in Luxembourg, EASE S.A is a management consulting firm driven to provide you with a competitive edge in an increasingly complex and interconnected marketplace.” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Sensitysensity.euHQ: LuxembourgReported employees: 11-50 | Luxembourg | 11-50 | Exact match | 21 contacts → |
“Sensity is a European consultancy and service provider.” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  UPCRMup-crm.comHQ: Howald, LuxembourgReported employees: 11-50 | Howald, Luxembourg | 11-50 | Exact match | 18 contacts → |
“UpCRM is a consultancy company offering strong expertise in customer experience, cloud architecture and data management.” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  OYESKoyesk.comHQ: Bertrange, LuxembourgReported employees: 51-200 | Bertrange, Luxembourg | 51-200 | Exact match | 18 contacts → |
“Welcome to Oyesk!” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  SML Ingénieurs Conseilssml-ingenieurs.euHQ: Weiswampach, LuxembourgReported employees: 11-50 | Weiswampach, Luxembourg | 11-50 | Exact match | 18 contacts → |
“Bureau d'étude pluridisciplinaire d'ingénieurs.” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 292 company matches
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Consultancy companies: dataset insights
September 24, 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
292 records in the displayed employee bands.
0 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 were verified and the company information checked
Email last verified
Median 26.0dCompany record updated
Median 68.0dHow 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 24, 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 consultancy companies?
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 consultancy companies did RevenueBase find based in Luxembourg?
The saved snapshot records 292 matching company records, 3,331 tracked contacts and 1,290 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 24, 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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Browse the directory
Cite this list
RevenueBase Data Team. Top 25 consultancy companies based in Luxembourg. Snapshot: September 24, 2026. https://revenuebase.ai/companies/consultancy-companies/luxembourg.
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
- Consultancy companies based in the United States
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Company intelligence · public preview
Top 25 consultancy companies based in Luxembourg
RevenueBase records 292 matching company records for consultancy companies based in Luxembourg, with 3,331 tracked contacts and 1,290 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 24, 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 consultancy companies based in Luxembourg
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 | BDO Luxembourgbdo.lu HQ: LuxembourgReported employees: 501-1,000 | Luxembourg | 501-1,000 | Exact match | 600 contacts → |
“BDO Luxembourg is one of the largest firms of accountants, auditors and consultants in Luxembourg.” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Arendt Regulatory & Consultingarendt.com HQ: LuxembourgReported employees: 51-200 | Luxembourg | 51-200 | Exact match | 134 contacts → |
“About Arendt - Regulatory & Consulting We help clients remain compliant while running a profitable business.” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | In Extenso Beluxinextenso-belux.com HQ: Windhof, LuxembourgReported employees: 51-200 | Windhof, Luxembourg | 51-200 | Exact match | 124 contacts → |
“Vous êtes chef d’entreprise, artisan, commerçant, professionnels libéral ou du secteur financier?” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | AKABIakabi.eu HQ: Itzig, LuxembourgReported employees: 51-200 | Itzig, Luxembourg | 51-200 | Exact match | 98 contacts → |
“AKABI is a young and entrepreneurial IT consultancy company specialized in Business Intelligence, Software Development, Cloud and IT Infrastructure.” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Proman, Luxembourgproman.lu HQ: Bettermbourg, LuxembourgReported employees: Not recorded | Bettermbourg, Luxembourg | Not recorded | Exact match | 84 contacts → |
“PROMAN is a Luxembourg based international consulting company providing services to international donor agencies, national governments, public institutions and development…” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | HQ: Niederanven, LuxembourgReported employees: 51-200 | Niederanven, Luxembourg | 51-200 | Exact match | 79 contacts → |
“INCA Ingénieurs Conseils Associés S.à.r.l.” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | IQ Solutions Luxembourgiqs.lu HQ: 3364 Leudelange, LuxembourgReported employees: 51-200 | 3364 Leudelange, Luxembourg | 51-200 | Exact match | 73 contacts → |
“Solutions for business partners - Independent solutions for changing times IQ Solutions is one of the largest players in the Luxembourg financial market and offer consulting…” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Goblet Lavandier & Associés S.Agolav.lu HQ: Niederanven, LuxembourgReported employees: 51-200 | Niederanven, Luxembourg | 51-200 | Exact match | 69 contacts → |
“Goblet Lavandier & Associés est un des plus grands bureaux d’ingénieurs-conseils luxembourgeois spécialisé en génie technique et énergétique.” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Best Ingénieurs-Conseilsbest.lu HQ: Senningerberg, LuxembourgReported employees: 51-200 | Senningerberg, Luxembourg | 51-200 | Exact match | 60 contacts → |
“BEST Ingénieurs-Conseils : 32 ans d’excellence et d’innovation!” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Infeurope S.Ainfeurope.lu HQ: LuxembourgReported employees: 51-200 | Luxembourg | 51-200 | Exact match | 55 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 11 | ACO Human Capitalalcyone-consulting.lu HQ: Kockelscheuer, LuxembourgReported employees: 51-200 | Kockelscheuer, Luxembourg | 51-200 | Exact match | 55 contacts → |
“Alcyone Consulting propose à ses clients Grand Compte une expertise reconnue dans les métiers de l'IT, Gouvernance, Compliance et se distingue par le Savoir-Faire et Savoir-Être…” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Hamlet Consulting Luxembourghamletconsulting.com HQ: LuxembourgReported employees: 51-200 | Luxembourg | 51-200 | Exact match | 43 contacts → |
“Hamlet Consulting Luxembourg is a dynamic European consulting company based in the Grand Duchy of Luxembourg.” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Gate-16gate-16.com HQ: LuxembourgReported employees: 11-50 | Luxembourg | 11-50 | Exact match | 38 contacts → |
“Founded in 2007, Gate-16 is a consulting firm specialized in IT consultancy, IT transitions & operations, as well as recruitment and HR Services.” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | NOW Partnersnowpartners.lu HQ: Hesperange, LuxembourgReported employees: 11-50 | Hesperange, Luxembourg | 11-50 | Exact match | 36 contacts → |
“Today’s regulatory environment is becoming more and more complex and challenging.” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | GCP Consultinggcp-consulting.eu HQ: LuxembourgReported employees: 11-50 | Luxembourg | 11-50 | Exact match | 33 contacts → |
“GCP Consulting is a management consulting firm specialized in strategy and change management.” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Beissel & Ruppertbrec.lu HQ: LuxembourgReported employees: 11-50 | Luxembourg | 11-50 | Exact match | 32 contacts → |
“Bureau d'ingénieurs-conseils dans les domaines suivants : Real Estate et Construction • Project Management et Maîtrise d’Ouvrage Déléguée • Planification générale • Concours…” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Square Management Luxembourgsquare-management.com HQ: LuxembourgReported employees: 501-1,000 | Luxembourg | 501-1,000 | Exact match | 31 contacts → |
“Square Management Luxembourg is an international management & business consultancy firm, specialized in the financial sector, with offices in Luxembourg, Brussels and Paris.” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Jean Schmit Engineeringjse.lu HQ: LuxembourgReported employees: 51-200 | Luxembourg | 51-200 | Exact match | 30 contacts → |
“Le bureau a été fondé en 1981 par Jean Schmit.” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Finegan Luxembourgfinegan.lu HQ: LuxembourgReported employees: 11-50 | Luxembourg | 11-50 | Exact match | 28 contacts → |
“Finegan Luxembourg is part of the group Finegan, an independent French consulting firm created in 2009.” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | HQ: Livange, LuxembourgReported employees: 11-50 | Livange, Luxembourg | 11-50 | Exact match | 23 contacts → |
“Leverage Consulting provides Advisory and sourcing services to Financial and Insurance organisations in their IT transformation projects.” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Ease S.Aease.lu HQ: LuxembourgReported employees: 11-50 | Luxembourg | 11-50 | Exact match | 22 contacts → |
“Located in Luxembourg, EASE S.A is a management consulting firm driven to provide you with a competitive edge in an increasingly complex and interconnected marketplace.” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Sensitysensity.eu HQ: LuxembourgReported employees: 11-50 | Luxembourg | 11-50 | Exact match | 21 contacts → |
“Sensity is a European consultancy and service provider.” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | UPCRMup-crm.com HQ: Howald, LuxembourgReported employees: 11-50 | Howald, Luxembourg | 11-50 | Exact match | 18 contacts → |
“UpCRM is a consultancy company offering strong expertise in customer experience, cloud architecture and data management.” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | OYESKoyesk.com HQ: Bertrange, LuxembourgReported employees: 51-200 | Bertrange, Luxembourg | 51-200 | Exact match | 18 contacts → |
“Welcome to Oyesk!” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | SML Ingénieurs Conseilssml-ingenieurs.eu HQ: Weiswampach, LuxembourgReported employees: 11-50 | Weiswampach, Luxembourg | 11-50 | Exact match | 18 contacts → |
“Bureau d'étude pluridisciplinaire d'ingénieurs.” Recorded description excerpt · September 24, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 292 company matches
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Consultancy companies: dataset insights
September 24, 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
292 records in the displayed employee bands.
0 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 were verified and the company information checked
Email last verified
Median 26.0dCompany record updated
Median 68.0dHow 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 24, 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 consultancy companies?
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 consultancy companies did RevenueBase find based in Luxembourg?
The saved snapshot records 292 matching company records, 3,331 tracked contacts and 1,290 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 24, 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 consultancy companies based in Luxembourg. Snapshot: September 24, 2026. https://revenuebase.ai/companies/consultancy-companies/luxembourg.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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