Company lists · Data verified August 2026

Top 25 Clean energy consulting firms based in Spain

Name: Clean energy 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 1,659 companies tracked

There are 1,659 clean energy consulting firms headquartered in Spain (RevenueBase, August 2026). RevenueBase tracks 17,801 professional contacts across them, including 1,766 with verified work emails and 415 with mobile numbers. Madrid is the largest hub.

This list covers clean energy 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.

1,659Companies

17,801Contacts tracked

1,766Verified emails

415Mobile numbers

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The 25 largest clean energy consulting firms based in Spain

Ranked by team size

Top 25 of 1,659 clean energy 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	Grupotec	Boadilla Del Monte	501-1,000	543	122
2	IGNIS	Madrid	501-1,000	529	87
3	Mn8 Energy	York	201-500	423	193
4	Iplan Gestión Integral	Barcelona	501-1,000	361	4
5	Anthesis ESP	Manlleu	201-500	333	75
6	Negratín Global Services	Alcobendas	201-500	295	50
7	Valora Consultores	A Coruna	51-200	238	41
8	Ingeniería Estudios Y Proyectos Nip,s.A. Nipsa	Madrid	201-500	236	2
9	Ecointegral Ingeniería, SL	Cordoba	201-500	232	26
10	Plenitude España	Santander	51-200	196	40
11	Sm, Sistemas Medioambientales, SL	Barcelona	201-500	174	2
12	Quantica Renovables	Rute	201-500	161	36
13	Cansol Energy Solutions	Granada	51-200	152	21
14	Vestel Ingenieros	Paterna	51-200	135	22
15	Heymo Ingeniería, S.A.U	Madrid	201-500	108	6
16	Grupo Trebol Energia	Valencia	51-200	83	25
17	Vivendio Grupo Aconser	Sevilla	51-200	74	4
18	SUD Renovables	Avinyo	51-200	71	11
19	Perspectives Climate Group	Alicante	51-200	62	43
20	Azigrene Energy Consulting	n/a	51-200	58	11
21	Kepler Ingeniería Y Ecogestión	Burgos	51-200	54	6
22	IASOL	Zaragoza	51-200	52	16
23	Bester	Seville	201-500	52	4
24	Planea Energía	Albacete	51-200	51	5
25	Konery	Murcia	51-200	47	16

Showing 25 of 1,659 clean energy consulting firms based in Spain

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Clean energy consulting firms based in Spain at a glance

As of Aug 28, 2026

1-10Median size (employees)

MadridLargest hub · 318 HQs

415Contacts with mobile numbers

6Emails re-verified in last 30 days

Companies by employee count

1-10

1,024

11-50

512

51-200

201-500

501-1,000

1,001-5,000

10001+

Clean energy consulting firms by metro

Metro	Companies
Clean energy consulting firms in Madrid	318
Clean energy consulting firms in Barcelona	148
Clean energy consulting firms in Sevilla	67
Clean energy consulting firms in Valencia	66
Clean energy consulting firms in Zaragoza	42
Clean energy consulting firms in Malaga	34
Clean energy consulting firms in Murcia	22

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 “clean energy 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; 6 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 clean energy consulting firms are there based in Spain?

There are 1,659 clean energy consulting firms headquartered in Spain as of August 2026 (RevenueBase).

What is the largest company on this list?

Grupotec, headquartered in Boadilla Del Monte, tops this list with the largest team on record.

Which city has the most clean energy consulting firms?

Madrid leads with 318 headquartered companies, followed by Barcelona (148) and Sevilla (67).

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 1,766 verified decision-maker contacts tracked across these 1,659 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.