Company lists · Data refreshed October 2026

Top 25 Building energy consultants based in Spain

RevenueBase identified 1,200 company matches for building energy consultants associated with Spain as of October 2026 and tracks 8,888 professional contacts across them, including 816 with verified work emails. Madrid is the largest hub.

This list covers company matches for building energy consultants associated with Spain, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed October 9, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Oct 9, 2026 How this list was built
1,200Companies
8,888Contacts tracked
816Verified emails
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The 25 largest building energy consultants based in Spain

Ranked by team size
Top 25 of 1,200 company matches for building energy consultants based in Spain, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 9, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchSeville, SpainHQ recorded Oct 9, 2026501-1,000538 contacts →

Exact match

“REVERGY nace mediante un proyecto de profesionales procedentes de diferentes ámbitos del sector de las energías renovables con el fin de presentar un proyecto marcado por la…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
2Exact matchBarcelona, SpainHQ recorded Oct 9, 2026n/a376 contacts →

Exact match

“Ingeniería y Consultoría Energética orientada a la búsqueda y el desarrollo de soluciones energéticas de alta eficiencia para sus Clientes.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
3Exact matchMadrid, SpainHQ recorded Oct 9, 2026201-500273 contacts →

Exact match

“SÓLIDA, a Bureau Veritas Company, is an independent company founded in 2007 that provides high added-value engineering and consulting services within the renewable energy sector.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
4Exact matchBarcelona, SpainHQ recorded Oct 9, 202651-200206 contacts →

Exact match

“PGI Engineering & Consulting es una empresa global de servicios de ingeniería y consultoría que trabaja transversalmente para dar las mejores soluciones técnicas de diseño a…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
5Exact matchMadrid, SpainHQ recorded Oct 9, 2026201-500197 contacts →

Exact match

“Vector Renewables offers professional consulting services in the renewable energy industry, specializing in wind, solar and hydro.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
6Exact matchMadrid, SpainHQ recorded Oct 9, 202651-200168 contacts →

Exact match

“MAI has been in international consultancy for over 25 years driving energy and environmental project around the world, helping to design and plan reliable supply systems based on…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
7Exact matchBollullos De La Mitación, SpainHQ recorded Oct 9, 2026201-500164 contacts →

Exact match

“QUANTICA Renovables is a company dedicated to providing cost and carbon efficiencies.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
8Exact matchMadrid, SpainHQ recorded Oct 9, 202651-200146 contacts →

Exact match

“Within VALLADARES_ing, engineering challenges are part of our everyday" Global engineering and sustainable buildings Applying our vast experience we strive to provide our clients…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
9Exact matchBarcelona, SpainHQ recorded Oct 9, 202651-200101 contacts →

Exact match

“Agefred se destaca como líder en Cataluña en el ámbito de servicios energéticos, acumulando una vasta experiencia desde su creación en 1974.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
10Exact matchSeville, SpainHQ recorded Oct 9, 202651-200101 contacts →

Exact match

“Somos una consultora especializada en edificación, nuestra experiencia se ha desarrollado principalmente en los sectores industrial, retail, y hotelero.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
11Exact matchSant Joan Despi, SpainHQ recorded Oct 9, 202651-20098 contacts →

Exact match

“We are one of the leading energy business consultancies in Spain.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
12Exact matchMadrid, SpainHQ recorded Oct 9, 202611-5084 contacts →

Exact match

“NESS, empresa de servicios energéticos especializada en la gestión y ahorro energético.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
13Exact matchLéon, SpainHQ recorded Oct 9, 202651-20081 contacts →

Exact match

“Tresca Ingeniería nace en 2001, ofreciendo a sus clientes servicios de ingeniería y consultoría en los sectores industrial, terciario y residencial.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
14Exact matchGranada, SpainHQ recorded Oct 9, 202651-20073 contacts →

Exact match

“En Vivendio, empresa perteneciente a Grupo Aconser, nos dedicamos a la eficiencia y rehabilitación energética.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
15Exact matchValencia/valència, SpainHQ recorded Oct 9, 202651-20056 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
16Exact matchMataró, SpainHQ recorded Oct 9, 202651-20055 contacts →

Exact match

“4th generation family business founded in 1904.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
17Exact matchMurcia, SpainHQ recorded Oct 9, 202651-20053 contacts →

Exact match

“Somos una ingeniería cuya misión es la mejora de la eficiencia energética e implantación de energías renovables como vía para cuidar el medio ambiente y mejorar la competitividad…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
18Exact matchValladolid, SpainHQ recorded Oct 9, 202651-20051 contacts →

Exact match

“SYLTEC es una empresa independiente, constituída con el objetivo de ofrecer servicios integrales de ingeniería, consultoría y formación a nivel nacional.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
19Exact matchMadrid, SpainHQ recorded Oct 9, 202611-5045 contacts →

Exact match

“G-advisory - Consultoría estratégica en Energía y ESG Filial de Garrigues que ofrece asesoramiento técnico, económico y estratégico en todo tipo de energías y servicios de ESG.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
20Exact matchZaragoza, SpainHQ recorded Oct 9, 2026201-50045 contacts →

Exact match

“En MEG trabajamos con energía para aportar soluciones energéticas eficientes a nuestros clientes.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
21Exact matchCerdanyola Del Vallès, SpainHQ recorded Oct 9, 202651-20043 contacts →

Exact match

“Nuestra visión es hacer que todos podamos vivir de las energías renovables para siempre y gratis.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
22Exact matchCoria, SpainHQ recorded Oct 9, 202651-20043 contacts →

Exact match

“Especialistas en ahorro energético y eficiencia energética.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
23Exact matchOlot, SpainHQ recorded Oct 9, 202611-5034 contacts →

Exact match

“A Energy Tools, empresa líder en el mercat, ajudem, de manera ètica i transparent, les empreses amb grans consums energètics a prendre les millors decisions.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
24Exact matchSant Cugat Del Vallès, SpainHQ recorded Oct 9, 202651-20034 contacts →

Exact match

“We are an engineering and consulting company specialised in solar energy and energy efficiency.”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase
25Exact matchBadajoz, SpainHQ recorded Oct 9, 202611-5034 contacts →

Exact match

“Emececuadrado es una de las principales compañías del sector energético, especializada en el asesoramiento y la optimización de recursos energéticos para empresas, organismos…”

Recorded in the RevenueBase company graph · Oct 9, 2026 · View company records in RevenueBase

Showing 25 of 1,200 building energy consultants based in Spain

See the full list, filter by size, metro and specialty, and access 816 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Building energy consultants based in Spain at a glance

As of Oct 9, 2026
9.2%Verified-email coverage
7.4Average contacts per company
1-10Median size (employees)
17.3%Largest-city concentration · Madrid
Oct 9, 2026Page data refreshed

Companies by employee count

1-10
782
11-50
336
51-200
63
201-500
12
501-1,000
4
1,001-5,000
1

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 1,200 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with Spain whose business descriptions match “building energy consultants” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 816 professional contacts with verified work emails across the full matched dataset. 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 October 9, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “building energy consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many building energy consultants are there based in Spain?

RevenueBase identified 1,200 company matches for building energy consultants associated with Spain as of October 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Revergy tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most building energy consultants?

Madrid leads with 208 company records, followed by Barcelona (94) and Valencia (41).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 816 professional contacts with verified work emails tracked across these 1,200 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on October 9, 2026.

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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 SmartSearch, 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.