BCompany · Proptech & Construction
Belbex
Belbex is Madrid's leading online marketplace for commercial real estate, listing offices, retail units, industrial buildings, and land for rent or sale in Madrid and surrounding municipalities. Founded in 2009 by Juan Menduiña, it was acquired in 2015 by CoStar Group (NASDAQ: CSGP), the US-based global commercial real estate data giant, and now operates as a CoStar-owned brand rather than an independent, VC-backed startup — so it has no active funding rounds or venture investors.
Founded
2009
Founders
1
News
0
Rounds
0
SectorsProptech, Commercial Real Estate, Online Marketplace
Start-up MapProptech & Construction › Real estate marketplaces
Profile updated 30 Jul 2026
Founders
J
Juan Menduiña
Founder & Director General, Belbex (CoStar Group)
Global models 5
CCoStar Group
United States · www.costargroup.com ↗
Belbex's own parent — the dominant global commercial real estate information and marketplace platform, of which Belbex is the Madrid-market brand.
N/A (public company, NYSE-listed since 1998)Comparable
LLoopNet
United States · www.loopnet.com ↗
The largest online commercial real estate marketplace in the US, same listing/marketplace model as Belbex, also now owned by CoStar Group.
Acquired by CoStar Group for $860M (2012)Comparable
R
Realla
United Kingdom · www.realla.co ↗
UK commercial property search marketplace acquired by CoStar Group in 2018, directly analogous to Belbex's role in Spain.
~$5M raised pre-acquisitionComparable
CColliers Proxio / CommercialEdge (CoStar)
United States · www.commercialedge.com ↗
Commercial real estate listing and data platform under the same CoStar umbrella model as Belbex.
Owned by CoStar GroupComparable
RRealla-style Immobilienscout24 Gewerbe
Germany · www.immobilienscout24.de ↗
Germany's dominant real estate portal with a strong commercial listings vertical, comparable marketplace model to Belbex's commercial focus.
€2.9B enterprise value (part of Scout24, publicly listed)Comparable
Investors
No investors found yet.
Funding rounds
No announced rounds on record.
News & media
No coverage on record yet.