ESFER CONSTRUCCIONES Y PROYECTOS, S.L.

What ESFER CONSTRUCCIONES Y PROYECTOS, S.L. does

ESFER Construcciones y Proyectos, S.L. is a family-owned construction company founded in April 1980, headquartered in Oviedo, Asturias, with six regional offices across Asturias, Cantabria, and León. The company operates 33 employees and delivers six core service areas: building rehabilitation (facades, structural repairs, comprehensive renovation), energy rehabilitation (SATE systems, ventilated facades, building envelope upgrades with over 220,000 m² executed), heritage restoration of Historical Artistic Heritage (where it holds the maximum K-7-e State Contractor classification), building conservation and maintenance, interior architecture, and construction and civil works. Its primary customers are municipal and regional government bodies (Ayuntamiento de Oviedo, Gobierno del Principado de Asturias, Hospital Monte Naranco), private residential homeowner associations accessing European Next Generation subsidies, heritage and cultural institutions, and enterprise clients in hospitality, education, and sports (NH Hotel, Real Sporting de Gijón, Real Oviedo, IES Margarita Salas, Centro Asturiano).

The business model is project-based and revenue is generated through public tenders and direct private contracts, with most revenue flowing as one-time project fees and some recurring professional services revenue from the multi-year Oviedo maintenance contract. ESFER acts as an integrated 'rehabilitation agent' managing European subsidy applications for community retrofit projects, positioning it in the value chain beyond pure construction. The company is certified under ISO 9001 (quality), ISO 14001 (environmental), and ISO 45001 (occupational health and safety), with ISO 50001 (energy management) in progress, and is recognized as a CEPYME500 2026 leading growth SME in Spain. The company has no public listing, no disclosed funding rounds, and no subsidiaries, operating as a privately held family business with Arturo Estévez as Director General and David Estévez as Director Financiero.

Name

ESFER CONSTRUCCIONES Y PROYECTOS, S.L.

Legal name

Esfer Construcciones y Proyectos, S.L.

Website

https://esfer.es

Company type

Private

Founded year

1980

Operating status

Operating

Headcount range

11–50 employees

Short description

ESFER is a family-owned Spanish construction firm founded in 1980, offering building rehabilitation, energy efficiency retrofits, heritage restoration, and civil works. It serves public administrations, residential communities, and enterprises primarily across Asturias, Cantabria, and León.

Ownership category

akta.pro rank

Headquarters

HQ city

Oviedo

HQ country

Spain

HQ region

Europe

Offices6 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Supply Chain, Operations, Technology or R&D, Infrastructure

Revenue model

1. Building Rehabilitation Services: Building rehabilitation including facades, structural repairs, and comprehensive renovation projects for residential and commercial properties
2. Energy Efficiency Retrofits: Energy rehabilitation projects including thermal insulation, ventilated facades, and building envelope upgrades, often funded by European Next Generation funds
3. Building Conservation and Maintenance: Ongoing building maintenance services including the 8-year contract with the Oviedo City Council for building conservation services
4. Heritage Restoration: Restoration of historical artistic heritage including churches, lighthouses, and protected buildings
5. Construction and Civil Works: New construction projects including educational facilities, sports infrastructure, and residential buildings

Distribution channels3 records

Marketing channels7 records

Core offering

ESFER CONSTRUCCIONES Y PROYECTOS, S.L. is a construction and rehabilitation contractor executing building rehabilitation, energy efficiency retrofits, heritage/listed building restoration, building conservation and maintenance, interior architecture fit-outs, and construction and civil works. The company serves public administrations, private property owners, sports clubs, and heritage institutions, primarily across Asturias and northern Spain.

Product overview

ESFER is a family-owned construction company founded in 1980 offering a comprehensive portfolio of construction and rehabilitation services. The company operates six core service areas: Building Rehabilitation (Rehabilitación de Edificios), Energy Rehabilitation (Rehabilitación Energética), Heritage Restoration (Restauración de Patrimonio), Building Conservation and Maintenance (Conservación y Mantenimiento), Interior Architecture (Arquitectura Interior), and Construction and Civil Works (Construcción y Obra Civil). The company is distinguished by its expertise in energy efficiency improvements, having executed over 220,000 m² of energy rehabilitation projects, and holds the highest classification (K-7-e) for heritage restoration of Historical Artistic Property in Spain.

Differentiator

Problem solved

Functional benefit

Products and services

• Building Rehabilitation Comprehensive building rehabilitation services including structural retrofitting and demolition for residential, commercial, and public buildings. Targeted at property owners, homeowner associations, and public administrations seeking to modernize or restore aging structures.
• Energy Efficiency Retrofits Energy efficiency improvement works including facade rehabilitation with SATE (External Thermal Insulation Systems) and ventilated facades, delivering up to 50% energy savings. Targeted at residential communities, public buildings, and commercial property owners facing high energy costs and regulatory compliance requirements.
• Heritage and Listed Building Restoration Specialized restoration of heritage and listed buildings, preserving historical and architectural character. Targeted at heritage foundations, cultural institutions, and owners of protected historic properties.
• Building Conservation and Maintenance Ongoing building conservation and maintenance services to preserve and upkeep built assets over time. Targeted at property owners, public administrations, and institutions requiring long-term building stewardship.
• Interior Architecture Interior architecture and fit-out services for commercial, hospitality, and sports facilities, delivering bespoke interior design and execution. Targeted at hospitality operators, sports clubs, and private commercial clients.
• Construction and Civil Works General construction and civil works execution for public and private projects, including hospitals, educational centers, and infrastructure. Targeted at public administrations and private developers; often executed through UTE (Temporary Union of Enterprises) partnerships.

Named customers11 records

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature2 records

Partnerships

Six partnerships are on record, tiered core and minor.

• OGENSA (Obras Generales del Norte S.A.)coreStrategic or Co-development Partner · 1 January 2025ESFER formed a UTE (temporary business association) with OGENSA for the construction of IES Margarita Salas, the largest institute in Asturias.
• TuringcoreStrategic or Co-development Partner · 1 January 2025ESFER formed a UTE with Turing for the construction of IES Margarita Salas educational facility.
• Adrián Fernández (Motorsport Pilot)minorGTM or Marketing Partner · 1 January 2025ESFER sponsors young autocross pilot Adrián Fernández competing in CEAX Junior.
• Real Oviedo S.A.D.minorGTM or Marketing Partner · 1 January 2024ESFER is an official sponsor of Real Oviedo football club, with the company serving as sponsor during the club's Centenary season. The partnership includes sponsorship of player presentations at ESFER headquarters and branding at the Carlos Tartiere stadium.
• Real Sporting de Gijón S.A.D.minorGTM or Marketing PartnerESFER is a sponsor of Real Sporting de Gijón, supporting the football club and participating in family events at El Molinón stadium.
• Concurso Hípico Internacional de GijónminorGTM or Marketing PartnerESFER has been sponsor of the International Horse Jumping competition of Gijón for 14 consecutive years, awarding the 'Trofeo Esfer' to competition winners.

Scale indicators7 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Grupo Avintia: Spanish construction group active in residential building, rehabilitation and energy-efficiency projects; overlaps with ESFER in residential retrofit and subsidy-funded work.
• Aldesa: Spanish construction group operating in building rehabilitation, civil works and energy/infrastructure projects; directly competes with ESFER in the same public-tender-driven Spanish construction pool.
• Ortiz Construcciones y Proyectos: Spanish mid-tier construction and rehabilitation group with similar profile of building rehabilitation, civil works and selective new construction; the most direct size-comparable peer in the Spanish market.

Broad incumbents

• Acciona: Major Spanish construction and infrastructure group with growing focus on energy efficiency and sustainable building; competes with ESFER in subsidy-funded retrofit tenders at much larger scale.
• Comsa Corporación: Spanish infrastructure and building construction group with energy-efficiency and rehabilitation capabilities; competes for public tenders that ESFER also targets but operates at much broader geographic and segment scale.
• Ferrovial: Large Spanish infrastructure and construction group with capabilities in building rehabilitation and sustainable construction; a high-scale incumbent competing in adjacent public tenders.
• ACS Group (Actividades de Construcción y Servicios): One of Spain's largest construction and infrastructure groups; competes for the same public-tender pool as ESFER, including rehabilitation and energy-efficiency projects, but with vastly greater scale.
• Grupo San José: Larger Spanish construction group with a broader portfolio across building, civil works and energy; competes with ESFER for the same public works but at significantly greater scale and diversification.
• OHLA: Established Spanish construction and infrastructure group with rehabilitation and energy-efficiency work; large incumbent that can compete with ESFER on selective rehabilitation tenders.
• Sacyr: Spanish construction and infrastructure group active in building works and energy-related projects; competes with ESFER for public sector work while operating at much greater scale and geographic reach.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks5 records

Key highlights7 records

Customer concentration

• Xx.com/esfer_es
• YouTubeyoutube.com/user/esfermultimedia
• LinkedInlinkedin.com/company/esfer-construcciones-y-proyectos-s-l-
• Instagraminstagram.com/esfer.es

Compliance4 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles6 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 ESFER CONSTRUCCIONES Y PROYECTOS, S.L.