Company lists · Data refreshed September 2026
Top 25 Retrofit consulting companies based in Spain
RevenueBase identified 321 retrofit consulting companies headquartered in Spain as of September 2026 and tracks 1,229 professional contacts across them, including 95 with verified work emails. Madrid is the largest hub.
This list covers retrofit consulting companies headquartered in Spain, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 29, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest retrofit consulting companies based in Spain
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 58 contacts → | ||||
Indirect evidence “Azigrene es una empresa de servicios de Consultoría e Ingeniería Energética, que desarrolla su actividad en- Reducción del coste: Definición de la mejor estrategia de compra…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 2 | 55 contacts → | ||||
Partial evidence “We are an independent consulting firm, specializing in providing engineering services, software development and management, whose main asset is the high technical level and the…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 3 | 29 contacts → | ||||
Indirect evidence “EDA Instalaciones y Energía S.L, es una empresa con amplia experiencia en el sector de las instalaciones integrales, mantenimientos y estudios de eficiencia energética.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 4 | 27 contacts → | ||||
Partial evidence “We offer companies efficient solutions with the best consulting and engineering services in: Energy Management Energy certification and qualification of buildings Energy…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 5 | 17 contacts → | ||||
Indirect evidence “Servicios de consultoría energética e instalación de Placas Solares para particulares y empresas.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 6 | 17 contacts → | ||||
Indirect evidence “Construcción Integral de Edificación.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 7 | 15 contacts → | ||||
Indirect evidence “Empresa de rehabilitación, construcción, reformas y reparación de edificios y viviendas en Alicante y Elche.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 8 | 14 contacts → | ||||
Indirect evidence “Dirigido y formado por un equipo de profesionales con una dilatada experiencia en sectores que van desde el inmobiliario, la ingeniería y la construcción, nace AGPro, de la…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 9 | 13 contacts → | ||||
Indirect evidence “Somos una empresa consultora del ámbito de la ingeniería y el desarrollo de proyectos integrales, especializada en el diseño y cálculo de instalaciones en edificaciones singulares.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 10 | 11 contacts → | ||||
Indirect evidence “BBG (Brufau-Blasco-Gil) es un estudio especializado en la consultoría de estructuras en la edificación y la rehabilitación arquitectónica y patrimonial, con una firme voluntad de…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 11 | 11 contacts → | ||||
Indirect evidence “Lean services arquitectura edificacion rehabilitación eficiencia energetica sostenibilidad bim” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 12 | 11 contacts → | ||||
Indirect evidence “Consultora de Ingeniería y arquitectura industrial.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 13 | 10 contacts → | ||||
Indirect evidence “Si los sueños se pueden construir, nosotros somos los artífices.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 14 | 10 contacts → | ||||
Partial evidence “ECOVAT is a consulting engineering firm specialized in renewable energies projects with one mission: to provide integrated engineering management services, in renewable energy…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 15 | 10 contacts → | ||||
Indirect evidence “Somos una empresa dedicada a los proyectos de eficiencia y consultoría especializada en el sector energético.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 16 | 10 contacts → | ||||
Indirect evidence “Somos una #ingeniería eléctrica especializada en las energías renovables, la #monitorización de instalaciones, así como el asesoramiento especializado de sistemas de #eficiencia…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 17 | 9 contacts → | ||||
Indirect evidence “Ingeniería y arquitectura dedicada a la asesoría energética.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 18 | 8 contacts → | ||||
Indirect evidence “Somos una ingeniería consultoría proveedora de soluciones en el sector del ahorro y la eficiencia energética en edificios, especializada en el asesoramiento de la gestión integral…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 19 | 7 contacts → | ||||
Indirect evidence “Somos una empresa de construcción ubicada en Elche, especializada en edificaciones, rehabilitaciones integrales, estructurales y mejoras de eficiencia energética.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 20 | 7 contacts → | ||||
Indirect evidence “Grupo Cim es una empresa con más 20 años de experiencia como Consultoría integral y multidisciplinar de Ingeniería y Project Management, consolidados en mercado como especialistas…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 21 | 6 contacts → | ||||
Indirect evidence “Somos especialistas en la prestación de servicios generales a empresas y particulares en las actividades de : Reformas y Rehabilitaciones, Instalaciones Eléctricas, Fontanería y…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 22 | 5 contacts → | ||||
Indirect evidence “Consultoría energética especializada en energías renovables y soluciones de mejora energética.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 23 | 4 contacts → | ||||
Indirect evidence “TDI es una ingeniería especializada en la gestión integral de proyectos de instalaciones y de estructuras, así como en la auditoría de eficiencia energética y sostenibilidad…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 24 | 4 contacts → | ||||
Indirect evidence “ENG WORKS es una empresa fundada en el año 2013, muy comprometida con la “innovación” en nuevas tecnologías.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 25 | 4 contacts → | ||||
Indirect evidence “Fachplanungsbüro für den vorbeugenden baulichen Brandschutz Ingenieurbüro für Bauwesen im Industrie- und Gewerbebau Projektsteuerung Sachverständigenleistungen bei Schäden an…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: retrofit consulting companies. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names retrofit consulting companies.
- Partial evidence
- Its own public description names part of retrofit consulting companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name retrofit consulting companies. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 321 retrofit consulting companies based in Spain
See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 95 reachable decision-makers.
Free signup · no credit card
Retrofit consulting companies based in Spain at a glance
As of Sep 29, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for Spain, so it is reported there. Company counts and contact totals on this page are exact for Spain, over 321 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among retrofit consulting companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in Spain whose own description of what they do matches “retrofit consulting companies”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names retrofit consulting companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among retrofit consulting companies, and records with no verified work email. Companies headquartered outside Spain are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every listed company carries at least one verified work email, 95 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 29, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names retrofit consulting companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many retrofit consulting companies are there based in Spain?
RevenueBase identified 321 retrofit consulting companies headquartered in Spain as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Azigrene Energy Consulting, headquartered in Spain, tops this list with the largest team on record.
Which city has the most retrofit consulting companies?
Madrid leads with 52 headquartered companies, followed by Barcelona (31) and Valencia (10).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 95 verified decision-maker contacts tracked across these 321 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 29, 2026.
Ready to reach these companies? Verified emails and direct dials for all 321 retrofit consulting companies based in Spain. Start with a free account, no credit card.
Download this list →Related lists
Retrofit consulting companies by geography
- Retrofit consulting companies based in Melbourne, Australia
- Retrofit consulting companies based in Sydney, Australia
- Retrofit consulting companies based in Rio De Janeiro, Brazil
- Retrofit consulting companies based in Sao Paulo, Brazil
- Retrofit consulting companies based in Calgary, Canada
- Retrofit consulting companies based in Montreal, Canada
- Retrofit consulting companies based in Toronto, Canada
- Retrofit consulting companies based in Vancouver, Canada
- Retrofit consulting companies based in Lyon, France
- Retrofit consulting companies based in Paris, France
- Retrofit consulting companies based in Berlin, Germany
- Retrofit consulting companies based in Hamburg, Germany
Browse the directory
About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Retrofit consulting companies based in Melbourne, Australia
- Retrofit consulting companies based in Sydney, Australia
- Retrofit consulting companies based in Rio De Janeiro, Brazil
- Retrofit consulting companies based in Sao Paulo, Brazil
- Retrofit consulting companies based in Calgary, Canada
- Retrofit consulting companies based in Montreal, Canada