Grupo Grasa

What Grupo Grasa does

Grupo Grasa is a privately held, family-owned Spanish construction and aggregates group founded in 1927 and headquartered in Zaragoza, Aragon. It operates through six wholly owned divisions — Excavaciones Grasa (earthmoving and aggregate supply), Firmeza (civil works for urbanization, industrial, logistics, and renewable energy projects), Gramablack (extraction and installation of Piedra de Calatorao natural stone products including pavers, slabs, curbs, masonry, and urban furniture), Gredant Organics (organic waste to fertilizer technology for circular agriculture), Inzaser (integral building maintenance and vertical works), and Mörae (Passivhaus residential real estate development). The group controls production assets including quarries at Garrapinillos and Calatorao (79,471 m² mining surface) and operates an extensive modern heavy machinery fleet (laser-controlled motor graders, 31-ton tracked excavators, Blaw Knox RW-195 arcenadora, multi-axle trucks) supported by telematics and Leica topography equipment via its Tecnitop partnership.

The business model is project-based and diversified across enterprise construction clients, public administrations, and private developers. Revenue is generated through one-time construction contracts (civil works execution, aggregate supply by truck/container/BIGBAG), machinery rental with operator, custom stone fabrication and installation, real estate sales, and maintenance services. Go-to-market is direct enterprise field sales plus competitive bidding on public tenders, with no intermediary distribution channels. The group holds ISO 9001, ISO 14001, ISO 45001 certifications, CE marking for stone products, and the Marca Piedra Natural designation, which collectively support qualification for public and regulated tenders.

Commercial activity is concentrated in the Aragon region, with a stated emphasis on engineering firms, government entities, and private promoters as primary customer segments, and supplementary segments in agriculture (via Gredant) and building communities (via Inzaser). The integrated divisional structure allows Grupo Grasa to position as a single-interlocutor provider across the project lifecycle — from quarry extraction through civil execution to stone finishing — with demonstrated execution capacity on large urban projects such as the Torre Zaragoza basement (90,000 m³ of earth moved in three months). The group acquired Cantería Ania, a historic Calatorao stone company also founded in 1927, in July 2020 to consolidate its position in the natural stone market under the Gramablack brand.

Name

Grupo Grasa

Legal name

Excavaciones Grasa SL

Website

https://grupograsa.es

Company type

Private

Founded year

1927

Operating status

Operating

Short description

Grupo Grasa is a family-owned Spanish construction and aggregates group founded in 1927, operating six divisions in Zaragoza providing earthmoving, civil works, natural stone products, organic fertilizer technology, building maintenance, and Passivhaus real estate development for public and private clients.

Ownership category

akta.pro rank

Product category

Civil Construction and Earthmoving Services

NAICS

Crushed and Broken Limestone Mining and Quarrying (212312), Other Nonmetallic Mineral Mining and Quarrying (21239)

SIC

Asphalt Paving & Roofing Materials (2950)

akta.pro primary industry

Construction Management & General Contracting (EPCM, Scheduling, QA/QC, HSE) (EUAMAFAJ)

Keywords

• Civil construction works
• Earthmoving services
• Aggregate supply
• Natural stone products
• Building maintenance services

Headquarters

HQ city

Zaragoza

HQ country

Spain

HQ region

Europe

Offices3 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Operations, Personnel, Infrastructure, Supply Chain, Others, Marketing or Sales

Revenue model

1. Aggregate Supply: Extraction and sale of high-quality siliceous aggregates for construction. Products include washed sand, crushed gravel, natural gravel of various sizes, natural and artificial rubble. Supply in multiple formats: dump truck, container, BIGBAG sacks. Generated from company-owned quarries including Garrapinillos (Zaragoza) and Calatorao.
2. Civil Construction Works: Execution of civil works, urbanization projects, industrial and logistics infrastructures, renewable energy projects. Includes earth movement, leveling, road construction, drainage systems, foundations, technical paving, and road execution. Specialized in photovoltaic solar park terrain preparation.
3. Machinery Rental with Operator: Rental of heavy machinery with qualified driver/operator for excavation, earth movement, and construction projects. Part of comprehensive service offering.
4. Natural Stone Products: Through Gramablack division: manufacture and installation of Calatorao stone products including paving stones, slabs, curbs, masonry, countertops, urban furniture, and custom architectural pieces (URBAN and ARCHITECTONIC series). Also through Cantería Ania acquisition.
5. Integral Maintenance Services: Through Inzaser division: comprehensive maintenance, rehabilitation, and vertical work services for communities, companies, and buildings in Zaragoza.
6. Real Estate Development: Through Mörae division: development of Passivhaus residential properties and new construction promotions in Zaragoza.
7. Organic Fertilizer Technology: Through Gredant Organics: technology transforming organic waste into sustainable fertilizers in seconds, producing hygienized, odor-free substrate compliant with European regulations and promoting circular agriculture in Spain.

Go-to-market motion1 record

Distribution channels3 records

Marketing channels5 records

Core offering

Grupo Grasa is a multi-divisional construction group that executes civil works, earthmoving, and aggregate supply (Excavaciones Grasa, Firmeza) and extracts, fabricates, and installs Calatorao natural stone products such as pavers, slabs, curbs, masonry, countertops, and urban furniture (Gramablack). It additionally offers building maintenance and vertical rehabilitation services (Inzaser), Passivhaus real estate development (Mörae), and organic waste-to-fertilizer technology (Gredant Organics). All activities are supported by company-owned quarries, a self-operated heavy machinery fleet, and ISO- and CE-certified quality systems.

Product overview

Grupo Grasa is a family-owned construction group founded in 1927, operating as a multi-divisional platform offering integrated construction services through six specialized divisions. The core portfolio includes Excavaciones Grasa (earth moving and aggregates), Firmeza (civil construction), Gramablack (natural stone products from Calatorao stone), Gredant Organics (organic waste recycling technology), Inzaser (building maintenance), and Mörae (Passivhaus real estate development). These divisions operate synergistically to deliver comprehensive solutions for civil works, urbanization, industrial projects, renewable energy installations, and sustainable construction, with shared resources including specialized machinery, technical teams, and quality certifications (ISO 9001, ISO 14001).

Differentiator

Problem solved

Functional benefit

Products and services

• Excavaciones Grasa Earth moving, land leveling, and supply of high-quality siliceous aggregates (washed sand, crushed gravel, natural gravel, natural and artificial rubble) for construction projects; supply in dump truck, container, and BIGBAG formats. Includes machinery rental with operator for excavation and earth movement.
• Firmeza Civil construction division executing urbanization projects, industrial and logistics infrastructure, and renewable energy projects including photovoltaic solar park terrain preparation with specialized machinery for uneven topography. Includes earth movement, leveling, road construction, drainage systems, foundations, technical paving, and road execution.
• Gramablack - Calatorao Stone Extraction and commercialisation of Piedra de Calatorao (black marble/limestone) including pavers (adoquines), slabs (losas), curbs (bordillos), masonry (cantería), countertops, urban furniture, and custom architectural pieces in URBAN and ARCHITECTONIC series. Backed by CE marking and Marca Piedra Natural recognition.
• Gredant Organics Technology that transforms organic waste into sustainable fertilizers in seconds, producing hygienized, odor-free substrate compliant with European regulations and promoting circular agriculture in Spain.
• Inzaser Servicios Integrales Integral maintenance, rehabilitation, and vertical work services for communities, companies, and buildings in Zaragoza, including building upkeep, technical rehabilitation, waterproofing, and specialized vertical access work.
• Mörae Promociones Inmobiliarias Real estate development promoting Passivhaus certified new construction housing and development projects in Zaragoza, focused on efficient, sustainable architecture and energy performance.
• Gavion Compact Stone cage (gabion) system using electrosoldered GALFAN steel mesh with 4–6 mm wire diameters and high-resistance staples for decorative and retaining wall applications in outdoor spaces, gardens, and landscaping. Uses 50–70mm granulometry in the lower part and 130–150mm in the upper part for filling.
• TerraGras Ecological Pavement Continuous ecological pavement developed by Grupo Grasa from recycled materials for sustainable urban and exterior construction applications.
• Road Shoulder Machine (Arcenadora) Service Specialized road shoulder construction and maintenance service using the Blaw Knox RW-195 arcenadora machine, providing economic savings and reduced execution timelines for road projects.
• Machinery Rental with Operator Rental of heavy construction machinery (excavators, motor graders, loaders, dump trucks, rollers) with qualified driver/operator for excavation, earth movement, and construction projects.

Quantifiable outcome

• Single interlocutor reduces project coordination complexity and communication errors
• +3 more outcomes

Named customers6 records

Segments5 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Scale indicators8 records

Recent moves6 records

Expansion highlights5 records

Broad incumbents

• OHLA (formerly OHL): Spanish construction and concessions group with civil works, road, and renewable energy infrastructure. Comparable in core civil construction, though OHLA operates at a much larger national/international scale.
• Votorantim Cimentos (Spain operations): International cement and aggregates group with operations in Spain, producing crushed stone and aggregates for construction. Comparable aggregate-side activities to Grupo Grasa's quarrying and aggregate supply business.
• FCC (Fomento de Construcciones y Contratas): Major Spanish construction and environmental services group with civil works, aggregates, and infrastructure operations. Comparable as a Spanish integrated construction and aggregates player, though with national rather than regional focus.
• ACS Group (Actividades de Construcción y Servicios): Spain's largest construction and infrastructure group, with major civil works and concessions businesses including Dragados (a Grupo Grasa customer). Comparable as a Spanish civil contractor but operating nationally and globally with vastly larger scale.
• Sacyr: Spanish construction and concessions operator with civil works and infrastructure project execution. Comparable as a national Spanish contractor serving public administrations and large private developers, similar to Grupo Grasa's customer base.
• Ferrovial: Global Spanish infrastructure and construction operator with civil works, road, and energy infrastructure exposure. Comparable as a major Spanish civil contractor, though with significantly broader geographic and segment reach.
• Acciona: Spanish leader in renewable energy infrastructure and sustainable construction, with strong photovoltaic project execution capabilities. Directly comparable to Grupo Grasa's renewable energy civil works specialization but at much larger national/international scale.

Regional players

• Canteras de Santullán: Spanish regional quarry operator extracting and supplying natural stone and aggregates for construction. Comparable as a regional stone and aggregate extractor serving local construction markets, similar in scale and business model to Grupo Grasa's quarrying operations.

Direct peers

• Holcim España: Leading aggregates and construction materials supplier in Spain, including quarried stone and crushed aggregates. Directly comparable to Grupo Grasa's aggregate and Calatorao stone extraction business, though at substantially larger scale and broader geographic reach.
• Aldesa: Spanish construction group with civil works, renewable energy infrastructure, and concession operations. Closely comparable to Grupo Grasa's combined civil works and renewable energy specialization, though with national rather than regional presence.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat6 records

Key risks5 records

Key highlights6 records

Customer concentration

• Xx.com/GrupoGrasa
• Facebookfacebook.com/grupograsa

Compliance5 records

Revenue estimate

Valuation estimate

Number of profiles

Subsidiaries7 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Grupo Grasa