120 Years of Know-How
at the Service of Your
Real Estate Assets
Comprehensive wealth and real estate services. We orchestrate the entire value chain or parts of it under unified management.
Backed by over one hundred thousand clients
Figures
Our track record of over 120 years is more than a metric; it is an asset delivering solvency and expertise in an industry where trust is the ultimate value.
100,000
Clients
Across all business lines in 2025.
3,000
Property Owners
High loyalty rate, many spanning decades of collaboration.
+150,000
Rents under Management
From leases managed in 2025.
15,000
Units under Management (AUM)
Within property management in 2025.
6 M
Millions of Sq M
Managed across leases and HOAs in 2025.
Comprehensive Services
Property Management
Rent maximization and long-term asset value preservation. End-to-end operational value chain management: from wealth strategy and tenant solvency screening to technical property management and tax settlement.
HOA & Property Administration
360° administration of real estate complexes and horizontal property. Economies of scale in vendor negotiations, technical building inspection management (ITE/IEE), and legal advisory to guarantee long-term building solvency.
Residential Brokerage
Expert brokerage in the sale and lease of residential properties. Real-time market analysis, pricing optimization tailored to owner needs, trusted tenant sourcing, and maximizing legal security for both landlords and tenants.
Commercial & Retail Brokerage
Consultancy and brokerage for offices, high-street retail units, and industrial warehouses. Advisory on technical feasibility, licensing, and complex lease negotiations with prime operators, optimizing value per square meter.
New Developments
Comprehensive 360° project assessment from initial feasibility to final product definition. Our multidisciplinary team—sales, technical, marketing, and legal—maximizes development value and minimizes risk through data-driven market research.
Investment Advisory
High-volume brokerage for buildings, land, and portfolios. Organic deal flow sourced straight from our managed properties, offering absolute transparency regarding the operational, technical, and legal history of each asset.
Capital Markets
Exclusive channel for REITs, Investment Funds, and Institutional Landlords. Single point of contact, full decision traceability, and compliance protocols aligning every operation with our institutional clients' fiduciary duty.
Comprehensive Services
Rent maximization and long-term asset value preservation. End-to-end operational value chain management: from wealth strategy and tenant solvency screening to technical property management and tax settlement.
Nationwide Coverage
Strategic market presence across principal economic hubs
We consolidate our operational framework across the autonomous communities boasting the highest real estate dynamism and GDP contributions. A robust territorial coverage that pairs the scalability of a national operator with the granularity and local insights required for the technical and commercial management of each asset.
- · Madrid
- · Catalonia
- · Valencia
- · Basque Country
- · Galicia
- · Andalusia
Serrano, 77 · MadridA Century-Old Legacy
1905
Joint venture of both lineages through their third generations.
Founding of Althena as the vehicle to professionalize and modernize integrated property and real estate services nationwide.
Establishment of the first property management lineage within the Modernism era.
2009
Consolidation of the centralized real estate and property management model.
2022
Expansion across geographies, clients, and assets.
1905
Foundation
Establishment of the first property management lineage within the Modernism era.
2009
Merger
Joint venture of both lineages through their third generations.
Consolidation
Consolidation of the centralized real estate and property management model.
2022
Structuring
Founding of Althena as the vehicle to professionalize and modernize integrated property and real estate services nationwide.
Expansion
Expansion across geographies, clients, and assets.
Solvency and Trust
Team
A framework of 250 highly qualified professionals, combining technical expertise with a clear vocation for comprehensive service.
R&D
Strategic investment in proprietary technology for asset management digitalization and operational process automation.
ISO 9001
Operational processes certified under ISO 9001:2015, ensuring audited excellence, rigor, and management control.
Awards
Honored for our century-old trajectory, validating 120 years of leadership, professional ethics, and historical solvency.
Portfolio
Find Your Property
Explore our portfolio of residential units, retail spaces, offices, and warehouses. Select province, city, property type, and transaction type to refine your search.
Development
Featured New Developments
A selection of active developments featuring end-to-end guidance from project conception to handover.
