Company lists · Data verified August 2026

Top 25 Climate consulting firms based in Spain

Name: Climate 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 584 companies tracked

There are 584 climate consulting firms headquartered in Spain (RevenueBase, August 2026). RevenueBase tracks 5,791 professional contacts across them, including 715 with verified work emails and 94 with mobile numbers. Madrid is the largest hub.

This list covers climate 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.

584Companies

5,791Contacts tracked

715Verified emails

94Mobile numbers

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The 25 largest climate consulting firms based in Spain

Ranked by team size

Top 25 of 584 climate 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	Anthesis ESP	Manlleu	201-500	333	75
2	Valora Consultores	A Coruna	51-200	238	41
3	Global Factor	Seville	201-500	213	72
4	Sm, Sistemas Medioambientales, SL	Barcelona	201-500	174	2
5	Ideas Medioambientales	Albacete	51-200	132	69
6	Taxus Medio Ambiente	Oviedo	51-200	69	1
7	Perspectives Climate Group	Alicante	51-200	62	43
8	4ward.Earth Global Climate & Sustainability Ecosystem Network	Barcelona	11-50	54	1
9	Ineria Management	Madrid	11-50	48	8
10	Konery	Murcia	51-200	47	16
11	G-Advisory	Madrid	11-50	44	6
12	Serviguide Consultancy	A Coruna	51-200	41	2
13	Naturelek Energía E Ingeniería	Derio	51-200	30	10
14	Altácia	Madrid	11-50	30	1
15	Ibersyd Iber Sostenibilidad Y Desarrollo	Zaragoza	11-50	30	1
16	Extrepronatur SL	Badajoz	11-50	29	1
17	EHS Techniques	Madrid	11-50	28	9
18	Energy Tools	Terrassa	11-50	28	8
19	Energía Local	Barcelona	11-50	27	10
20	Ecoterrae	Sevilla	11-50	26	1
21	Consultoría DE Técnicas Ambientales	Madrid	11-50	24	2
22	BMASI	Bilbao	11-50	22	4
23	Premea	Valencia	11-50	19	2
24	Green Globe Sostenibilidad Y Proyectos Ambientales	Sevilla	11-50	19	2
25	SQ Consult B.V	Barcelona	11-50	16	9

Showing 25 of 584 climate consulting firms based in Spain

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Climate consulting firms based in Spain at a glance

As of Aug 28, 2026

1-10Median size (employees)

MadridLargest hub · 129 HQs

94Contacts with mobile numbers

5Emails re-verified in last 30 days

Companies by employee count

1-10

404

11-50

147

51-200

201-500

501-1,000

1,001-5,000

Climate consulting firms by metro

Metro	Companies
Climate consulting firms in Madrid	129
Climate consulting firms in Barcelona	72
Climate consulting firms in Valencia	34
Climate consulting firms in Sevilla	16
Climate consulting firms in Zaragoza	14
Climate consulting firms in Malaga	13
Climate consulting firms in Murcia	11

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 “climate 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; 5 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 climate consulting firms are there based in Spain?

There are 584 climate consulting firms headquartered in Spain as of August 2026 (RevenueBase).

What is the largest company on this list?

Anthesis ESP, headquartered in Manlleu, tops this list with the largest team on record.

Which city has the most climate consulting firms?

Madrid leads with 129 headquartered companies, followed by Barcelona (72) and Valencia (34).

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 715 verified decision-maker contacts tracked across these 584 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.