What Quinto Armónico does

Quinto Armónico, legally QUINTO ARMÓNICO SL (CIF B47787148), is a private Spanish energy engineering consultancy founded in 2010 and headquartered at Plaza de Marcos Fernández 2, Oficina F, 47014 Valladolid, with an additional registered address in Valladolid. The firm operates as a B2B professional services practice serving renewable energy project developers and producers, electro-intensive industries (data centers, hydrogen plants), industrial and tertiary sector self-consumption clients, and electricity distribution and transport utilities. Its service portfolio spans the full renewable project lifecycle: permitting and development ("Ready to Build" status), grid access and connection (including direct requests by precedence and competitive capacity contests), engineering and construction direction (dirección de obra), energization, asset management, and normative-legal advisory. Sectors covered include solar photovoltaics, wind, stand-alone BESS, green hydrogen, hybrid solar+wind+storage, electricity distribution and transport infrastructure, and industrial/tertiary installations.

The firm's core technology is human-expert-driven regulatory and energy market analysis applied to project engineering, with no disclosed AI/ML, software product, or proprietary model. It differentiates on deep knowledge of the Spanish regulatory framework (RD 1183/2020, RD 1955/2000, CNMC procedures, RECORE) and on demonstrated ability to file and win access/connection disputes before the CNMC, plus specialization in the energization phase of BESS projects where it claims to compress timelines from over a year to 3–5 months. Revenue is generated through project-based and retainer professional services engagements, with pricing quoted per project and not publicly disclosed; the firm operates with 1–10 employees, including Director General Marcos Valles Pérez (founder, UNEF Junta Directiva member since June 2024) and Director of Business Development Álvaro Cámara Rodríguez (UNEF Castilla y León delegate since August 2025).

In September 2025, Quinto Armónico joined the Incosa group (a 1985-founded Spanish independent engineering consultancy with more than 600 professionals), retaining its own brand while gaining access to broader delivery capacity and cross-sector capabilities. Go-to-market is sales-led and event-driven, centered on industry fairs (Genera, APPA Renovables Congress), association leadership at UNEF, H2CYL, CYLSOLAR, and AEPIBAL, content marketing through the firm's website and newsletter, and direct B2B outreach across Spanish regions including Castilla y León, Andalucía, Navarra, Madrid, and Castilla-La Mancha.

Name

Quinto Armónico

Legal name

QUINTO ARMÓNICO SL

Website

https://quintoarmonico.es

Company type

Private

Founded year

2010

Operating status

Operating

Headcount range

1–10 employees

Short description

Quinto Armónico is a Valladolid-based Spanish engineering consultancy (founded 2010, now part of Incosa since Sept 2025) that delivers permitting, grid access, construction supervision, energization, and asset management services to renewable energy developers and industrial clients across Spain.

Ownership category

akta.pro rank

Product category

Renewable Energy Engineering & Consulting

NAICS

Architectural, Engineering, and Related Services (5413), Environmental Consulting Services (54162)

SIC

Services-Management Consulting Services (8742)

akta.pro primary industry

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

Keywords

• Renewable energy consulting
• Grid access engineering
• Energy project permitting
• Solar photovoltaic advisory
• Battery storage engineering

Headquarters

HQ city

Valladolid

HQ country

Spain

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Marketing or Sales, Technology or R&D, Infrastructure, Others

Revenue model

1. Engineering and Consulting Services: Professional services revenue generated through engineering consultancy engagements covering permitting and development, access and connection to grid, construction supervision (dirección de obra), energization, asset management, and normative-legal advisory. Services are typically project-based or retainer arrangements for ongoing support.

Go-to-market motion1 record

Distribution channels1 record

Marketing channels6 records

Core offering

Quinto Armónico is an engineering and consulting firm that supports the development, construction, and operation of renewable energy projects (solar PV, wind, BESS, green hydrogen, hybrid systems) in Spain. Its offerings span permitting and development, grid access and connection (including competitive capacity contests), construction supervision, energization, asset management, and regulatory-legal advisory. It sells these services B2B to project developers, energy producers, utilities, electro-intensive industries (data centers, hydrogen, industrial), and industrial/tertiary clients seeking self-consumption installations.

Product overview

Quinto Armónico is an engineering and consulting firm specialized in renewable energy, offering a comprehensive suite of services across the entire project lifecycle. The portfolio includes permitting and development, grid access and connection, engineering and construction direction, energization processing, and asset management. The company operates across multiple renewable energy sectors including solar photovoltaics, wind, battery energy storage (BESS), green hydrogen, and hybrid systems. Services span from initial project development through construction supervision to operational asset management, with particular expertise in regulatory and normative analysis for the Spanish energy market.

Differentiator

Problem solved

Functional benefit

Products and services

• Permitting y Desarrollo Drafting of project documentation and technical paperwork, plus processing before government agencies and administrations to achieve Ready to Build status for renewable energy projects.
• Acceso y Conexión Specialized processing for grid connection rights through direct request by precedence or competitive bidding processes, achieving successful outcomes for renewable energy developers.
• Ingeniería Engineering services including construction supervision and contractual compliance monitoring for energy projects.
• Dirección de Obra Construction direction and site supervision services to ensure proper execution of energy projects.
• Energización Rapid processing for project energization and grid connection, critical for meeting operational deadlines and avoiding delays (particularly important for BESS where delay causes battery degradation).
• Gestión del Activo / Asset Management Professional operation and exploitation of renewable energy assets, optimizing economic returns and controlling risk throughout the investment lifecycle.
• Consultoría y Asesoramiento Normativo-Legal Legal and regulatory advisory services for the energy sector, including normative analysis and market expertise.
• Instalaciones de Distribución Distribution and transformation installations in Low, Medium, and High Voltage including Lines, Transformation Centers, Distribution Centers, Measurement Centers, Sectioning Centers, OCRs, and Substations.
• Fotovoltaica (Solar Photovoltaic Services) Solar photovoltaic project development, engineering, and asset management services for utility-scale and distributed generation.
• Hibridaciones (Hybrid Renewable Projects) Hybrid renewable energy projects combining multiple technologies such as solar, wind, and storage for optimized generation profiles.
• BESS Stand Alone Stand-alone battery energy storage system projects including permitting, grid connection, and asset management services.
• Hidrógeno (Green Hydrogen Services) Green hydrogen project development services including regulatory compliance, connection to hydrogen valleys, and integration with renewable generation.
• Eólica (Wind Energy Services) Wind energy project development and engineering services.
• Distribución y Transporte (Electric Distribution and Transport Services) Electricity distribution and transport infrastructure development services.
• Industria y Terciaria Industrial and tertiary sector energy solutions including electrical infrastructure for commercial and industrial facilities.
• Autoconsumo (Self-Consumption Installations) Self-consumption photovoltaic installations for residential, commercial, and industrial clients.

Quantifiable outcome

• Energization process managed by specialists can be completed in 3–5 months versus over a year without specialized management

Segments4 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Partnerships

One partnership is on record.

• IncosacoreStrategic or Co-development Partner · 1 September 2025In September 2025, Quinto Armónico joined the Incosa group, a move described as reinforcing its commitment to becoming a key actor in the energy transition. Founded in 1985, Incosa is an independent engineering and consulting company, a leader in Spain with more than 600 professionals, offering comprehensive solutions across the project lifecycle in sectors including energy, infrastructure, environment, and buildings. The acquisition enables Quinto Armónico to expand capabilities and offer high-value-added solutions to clients.

Scale indicators1 record

Recent moves6 records

Expansion highlights5 records

Broad incumbents

• DNV: DNV is a global energy advisory and certification body providing technical advisory, project certification, and grid connection support to renewable developers worldwide. Comparable to Quinto Armónico as a specialist energy advisory firm with deep regulatory and grid access expertise, though operating globally and at much larger scale.
• WSP Spain (formerly Intecsa-Inarsa): WSP is a global engineering professional services firm with a Spanish practice (formerly Intecsa-Inarsa) providing energy and environmental advisory. Comparable as a Spain-based engineering consultancy serving renewable and infrastructure clients with technical advisory and owner's engineering services.
• Ayesa: Ayesa is a Spanish engineering and technology services firm with a renewable energy and grid infrastructure practice serving developers, utilities, and industrial clients. Comparable as a Spain-based engineering consultancy with overlapping renewable project support services, though significantly larger and more diversified.
• Sener: Sener is a Spanish engineering and technology group with a substantial renewable energy practice covering solar, wind, and storage projects globally. Comparable as a Spain-headquartered engineering firm offering technical advisory and project support to renewable developers, but at significantly greater scale and broader geographic reach.
• Incosa: Incosa is the parent company of Quinto Armónico (acquired September 2025), a Spanish independent engineering and consulting firm founded in 1985 with 600+ professionals offering multidisciplinary engineering services across energy, infrastructure, environment, and buildings. It is the broadest internal comparator given full operational integration and overlapping energy practice.
• Mott MacDonald: Mott MacDonald is a global engineering consultancy with a substantial European renewable energy advisory practice covering permitting, grid connection, and owner's engineering. Comparable to Quinto Armónico as a specialist renewable advisory firm with regulatory and grid expertise, though at much larger scale and with global reach.
• IDOM: IDOM is a Spain-based international engineering, architecture, and consulting firm with renewable energy advisory and engineering practices serving utility-scale developers. Comparable to Quinto Armónico as a Spanish-headquartered engineering consultancy serving renewable project developers, though IDOM operates globally across multiple sectors.

Direct peers

• TSK: TSK is a Spanish EPC and engineering firm with deep renewable energy and industrial project execution capabilities, including solar, wind, BESS, and grid infrastructure. Comparable to Quinto Armónico as a Spain-based engineering firm serving renewable developers across project lifecycle, though TSK is significantly larger and more vertically integrated.
• Audeca: Audeca is a Spanish engineering firm specializing in distribution and transmission infrastructure, energy installations, and renewable project engineering. Comparable to Quinto Armónico as a Spain-based specialist engineering firm serving utility and renewable clients in distribution and grid infrastructure.

Emerging players

• Solaria Energía: Solaria is a Spain-headquartered solar PV developer that has internal engineering, permitting, and grid connection capabilities for utility-scale projects. Comparable to Quinto Armónico in the Spanish PV market context, but operates as a developer rather than an external advisor; useful as a customer-overlap comparator.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat3 records

Key risks6 records

Key highlights6 records

Customer concentration

• Xbsky.app/profile/quintoarmonico.es
• YouTubeyoutube.com/channel/UCkGJhlbWl2IZe55ifFkX9Kw
• Facebookfacebook.com/mvenergia
• LinkedInlinkedin.com/company/quintoarmonico
• Instagraminstagram.com/quinto_armonico

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 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 Quinto Armónico