Company lists · Data verified August 2026

Top 25 Energy efficiency consulting firms based in Spain

Name: Energy efficiency consulting firms based in Spain
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 924 companies tracked

There are 924 energy efficiency consulting firms headquartered in Spain (RevenueBase, August 2026). RevenueBase tracks 5,738 professional contacts across them, including 489 with verified work emails and 79 with mobile numbers. Madrid is the largest hub.

This list covers energy efficiency consulting firms headquartered in Spain, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

924Companies

5,738Contacts tracked

489Verified emails

79Mobile numbers

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The 25 largest energy efficiency consulting firms based in Spain

Ranked by team size

Top 25 of 924 energy efficiency consulting firms based in Spain, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Quantica Renovables	Rute	201-500	161	36
2	Grupo Trebol Energia	Valencia	51-200	83	25
3	NESS	Madrid	11-50	83	8
4	Vivendio Grupo Aconser	Sevilla	51-200	74	4
5	Azigrene Energy Consulting	n/a	51-200	58	11
6	Konery	Murcia	51-200	47	16
7	Solideo ECO Systems	Sant Cugat Del Valles	51-200	43	2
8	Cambioenergetico	Campos	51-200	42	1
9	Montajes Eléctricos García	Madrid	201-500	38	2
10	Sinceo2 Consultoria Energética	Madrid	51-200	32	1
11	Naturelek Energía E Ingeniería	Derio	51-200	30	10
12	Tunergía	Valencia	51-200	30	1
13	EDA Instalaciones Y Energía S.L	Badalona	51-200	29	7
14	Energy Tools	Terrassa	11-50	28	8
15	Inergy	Barcelona	11-50	28	5
16	Energía Local	Barcelona	11-50	27	10
17	Exclusivas Energeticas	n/a	11-50	22	3
18	Pavener	Quart De Poblet	11-50	21	2
19	Erasmil	Madrid	11-50	20	5
20	MI Energía Manager	Madrid	11-50	19	6
21	Wikitel Asesores	Sevilla	11-50	17	2
22	Encore Efficiency SE	Madrid	11-50	16	10
23	Luzía Energía	Mairena Del Aljarafe	51-200	16	3
24	Ahorrenergia	Madrid	51-200	16	1
25	NOA Soluciones Energeticas SL	Ocana	51-200	14	4

Showing 25 of 924 energy efficiency consulting firms based in Spain

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Energy efficiency consulting firms based in Spain at a glance

As of Aug 28, 2026

1-10Median size (employees)

MadridLargest hub · 172 HQs

79Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

605

11-50

252

51-200

201-500

501-1,000

1,001-5,000

Energy efficiency consulting firms by metro

Metro	Companies
Energy efficiency consulting firms in Madrid	172
Energy efficiency consulting firms in Barcelona	91
Energy efficiency consulting firms in Valencia	39
Energy efficiency consulting firms in Sevilla	28
Energy efficiency consulting firms in Zaragoza	23
Energy efficiency consulting firms in Malaga	21
Energy efficiency consulting firms in Las Palmas De Gran Canaria	12

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “energy efficiency consulting firms”, with match quality audited by blind human judging, and headquartered in Spain.
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: Contact records re-verify on a rolling cadence; 0 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many energy efficiency consulting firms are there based in Spain?

There are 924 energy efficiency consulting firms headquartered in Spain as of August 2026 (RevenueBase).

What is the largest company on this list?

Quantica Renovables, headquartered in Rute, tops this list with the largest team on record.

Which city has the most energy efficiency consulting firms?

Madrid leads with 172 headquartered companies, followed by Barcelona (91) and Valencia (39).

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 489 verified decision-maker contacts tracked across these 924 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.