These are the largest property developers in Belgium, a mix of long-established construction companies and more recent real estate developers. BESIX, founded in 1909, is a multidisciplinary group with over a century of experience in construction and property development. VGP, established in 1998, specializes in developing and managing logistics properties across Europe. Matexi, founded in 1945, focuses on sustainable mixed-use urban projects, while AG REAL ESTATE manages diverse assets in Belgium and other European markets. B&R Bouwgroep, from 1995, specializes in various construction sectors including energy-efficient timber frame construction.
The companies listed show a strong presence in construction and real estate development. Many of them, like Thomas & Piron, Democo Group, and Artes Group, emphasize delivering added value, quality, or sustainability in their projects. Headquarters are distributed across various Belgian cities, including Sint-Lambrechts-Woluwe, Brussels, Antwerp, and Hasselt, indicating a decentralized industry landscape rather than a single dominant urban center.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 | 12,000 | ||||
| 2 |
Eiffage Construction BeLuxeiffageconstructionbelux.be
Construction, civil engineering, real estate development, hydraulic and environmental works, carpentry, and industrial works across multiple subsidiaries. |
1,131 | |||
| 3 |
Thomas & Pironthomas-piron.eu
Construction and renovation of residential, commercial, and industrial buildings in Belgium and Luxembourg with a focus on quality and innovation. |
766 | |||
| 4 |
VGPvgpparks.eu
Pan-European developer and manager of logistics properties, semi-industrial properties, and renewable energy solutions with a fully integrated business model and extensive expertise |
620 | |||
| 5 |
Square Groupsquaregroup.be
Square Group oversees a range of companies focused on sustainable business practices and maximizing recycling streams in construction, infrastructure, and urban development sectors |
494 | |||
| 6 |
groep Van Roeygroepvanroey.be
Creating sustainable and livable environments for living, working, learning, and more Providing total solutions through collaboration with a team of 10 companies |
442 | |||
| 7 |
Democo Groupdemocogroup.com
Specialist group combining expertise in construction, development, engineering, and finishing to deliver added value in building projects across various sectors |
420 | |||
| 8 |
Artes Groupartesgroup.be
A construction group specializing in civil engineering, water projects, buildings, restoration, and technical installations, delivering challenging and unique projects with a focus on sustainability |
374 | |||
| 9 |
B&R Bouwgroepbenrbouwgroep.be
B&R Bouwgroep specializes in various construction sectors including carpentry, demolition, paving, prefab concrete, tiling, energy-efficient timber frame construction, and development projects |
349 | |||
| 10 | 330 | ||||
| 11 |
AG REAL ESTATEagrealestate.eu
Real estate subsidiary and consultant managing diverse assets in Belgium, France, Luxembourg, and select European markets, focusing on optimal and sustainable operations for clients and partners |
309 | |||
| 12 | 239 | ||||
| 13 |
WDP - Warehouses with brainswdp.eu
A provider of intelligent warehouse solutions focused on developing, acquiring, and renting out semi-industrial & logistics real estate in multiple European countries |
225 | |||
| 14 |
Democodemocogroup.com
A construction and general contractor offering comprehensive solutions for all types of building projects, specializing in residential, commercial, industrial, and office buildings |
219 | |||
| 15 |
Louis De Waelelouisdewaele.be
A general contractor based in Brussels, Belgium involved in building works and real estate development with a strong workforce and annual turnover |
183 | |||
| 16 |
Immobelimmobelgroup.com
A leading European real estate developer specializing in innovative urban projects with mixed functions and a focus on sustainability and social impact |
177 | |||
| 17 |
Monteamontea.com
Experts in logistics real estate, Montea develops and invests in properties at key junctions in Belgium, the Netherlands, France, and Germany, with a focus on sustainability and value maximization |
175 | |||
Want more companies than this list?This page shows the largest ones only. Connect to Tamtam to see every company that matches, filter by size, industry or growth, and reach their decision-makers. | |||||
| 18 |
Ghelamcoghelamco.com
European real estate investor and developer specializing in offices, residential, retail, and logistics projects across various markets with a focus on quality and efficiency |
123 | |||
| 19 |
Befimmobefimmo.be
Real estate investor, operator, and developer with a focus on office buildings and coworking spaces in Belgium and Luxembourg Creating work and meeting environments |
106 | |||
| 20 |
Durabrikdurabrik.be
Specializing in tailored housing solutions in new construction and renovation, the company offers stress-free home building experiences with a focus on personalized, modern living spaces |
100 | |||
| 21 |
EQUILISequilis.net
A real estate development company that creates and supports ambitious projects across Europe, including retail, residential, office, and cultural spaces |
88 | |||
| 22 | 70 | ||||
| 23 |
BESIX REDbesixred.com
BESIX RED specializes in property development, creating high-performance projects for clients and investors, tailored to specific needs while promoting sustainability |
69 | |||
| 24 | 69 | ||||
| 25 |
Nextensanextensa.eu
Leading Belgian investor and developer in real estate, specializing in creating innovative neighborhoods and sustainable spaces for living, working, and shopping |
67 | |||
| 26 |
Residentie Vastgoedresidentievastgoed.be
The company provides expert advice on buying, selling, or renting residential real estate, aiming to be the preferred team for personalized and professional service |
39 | |||
| 27 | 37 | ||||
| 28 |
Banimmobanimmo.be
Real estate developer with over 20 years of experience, focusing on innovative solutions and customer needs, with potential for significant development |
32 | |||
| 29 |
Thomas & Piron ICT SAthomas-piron.eu
A subsidiary of a larger group, specializing in ICT services exclusively for internal operations within the organization |
32 | |||
| 30 |
Groupe Lamylamy.be
Real estate development and tourism services focused on residential properties and second homes in Belgium, France, and Luxembourg. |
29 | |||
| 31 |
Your Natureyournature.be
An eco-resort in the heart of Wallonia, offering exclusive vacation homes surrounded by nature, sustainable practices, and guided outdoor activities |
24 | |||
| 32 |
Twin Promotiontwinpromotion.fr
Family-owned company specializing in developing and operating vacation homes, tourist properties, and investment real estate projects, prioritizing high-quality, sustainable developments for client trust |
19 | |||
| 33 | 7 | ||||
| 34 | 
PICHETcorporate.pichet.fr
Real estate development, property sales, rentals, investment programs, property management, and condominium syndic services with digital client tools. |
4 | |||
| 35 |
Quackels Buildersquackels.be
Leading provider of innovative building technology with 70 years of experience, ensuring high-quality outcomes for global construction projects |
2 | |||
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How this list is built
Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Nov 12, 2026.
More company lists in Belgium
- The largest companies in Belgium 6,987
- Multinational companies in Belgium 1,745
- Manufacturers in Belgium 630
- Retail chains in Belgium 622
- Companies with in-house R&D in Belgium 605
- IT services companies in Belgium 551
- IT Services and IT Consulting companies in Belgium 542
- Family-owned companies in Belgium 435
- Software Development companies in Belgium 430
- Transportation, Logistics, Supply Chain and Storage companies in Belgium 409
- SaaS companies in Belgium 407
- Professional services firms in Belgium 396
- Critical infrastructure operators in Belgium 354
- Hardware manufacturers in Belgium 320
- Financial services firms in Belgium 314
- Distributors and wholesalers in Belgium 314
- Consulting firms in Belgium 285
- Retail companies in Belgium 285
- Food and Beverage Manufacturing companies in Belgium 282
- Truck Transportation companies in Belgium 259
- Logistics companies in Belgium 258
- Advertising Services companies in Belgium 222
- Education providers in Belgium 209
- Consumer goods companies in Belgium 205