Company lists · Data verified August 2026

Top 25 Climate change consulting firms based in Spain

Name: Climate change 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 596 companies tracked

There are 596 climate change consulting firms headquartered in Spain (RevenueBase, August 2026). RevenueBase tracks 5,650 professional contacts across them, including 699 with verified work emails and 93 with mobile numbers. Madrid is the largest hub.

This list covers climate change 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.

596Companies

5,650Contacts tracked

699Verified emails

93Mobile numbers

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The 25 largest climate change consulting firms based in Spain

Ranked by team size

Top 25 of 596 climate change 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	Taxus Medio Ambiente	Oviedo	51-200	69	1
6	Perspectives Climate Group	Alicante	51-200	62	43
7	4ward.Earth Global Climate & Sustainability Ecosystem Network	Barcelona	11-50	54	1
8	G-Advisory	Madrid	11-50	44	6
9	Serviguide Consultancy	A Coruna	51-200	41	2
10	Esolve. Environmental Consulting And Engineering	Madrid	11-50	34	6
11	Altácia	Madrid	11-50	30	1
12	Ibersyd Iber Sostenibilidad Y Desarrollo	Zaragoza	11-50	30	1
13	Extrepronatur SL	Badajoz	11-50	29	1
14	EHS Techniques	Madrid	11-50	28	9
15	Energy Tools	Terrassa	11-50	28	8
16	Energía Local	Barcelona	11-50	27	10
17	Fred Engineering	Almeria	11-50	27	6
18	Meteosim	Barcelona	11-50	26	10
19	Climate17	Valencia	11-50	23	22
20	BMASI	Bilbao	11-50	22	4
21	Síntesis Y Acción	La Canada Paterna	11-50	21	7
22	Emberiza	La Coruna	11-50	20	7
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 596 climate change consulting firms based in Spain

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Climate change consulting firms based in Spain at a glance

As of Aug 28, 2026

1-10Median size (employees)

MadridLargest hub · 123 HQs

93Contacts with mobile numbers

5Emails re-verified in last 30 days

Companies by employee count

1-10

430

11-50

143

51-200

201-500

501-1,000

1,001-5,000

Climate change consulting firms by metro

Metro	Companies
Climate change consulting firms in Madrid	123
Climate change consulting firms in Barcelona	85
Climate change consulting firms in Valencia	26
Climate change consulting firms in Sevilla	19
Climate change consulting firms in Malaga	14
Climate change consulting firms in Zaragoza	13
Climate change consulting firms in A Coruna	10

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 change 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 change consulting firms are there based in Spain?

There are 596 climate change 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 change consulting firms?

Madrid leads with 123 headquartered companies, followed by Barcelona (85) and Valencia (26).

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 699 verified decision-maker contacts tracked across these 596 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.